Journal articleNat Rev Clin Oncol · August 7, 2026
Oncology clinical trials are often characterized by slow accrual, high failure rates and limited generalizability, reflecting both biological complexity and operational inefficiencies. Advances in artificial intelligence (AI) - enabled by large-scale elect ...
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Journal articleJCO Precis Oncol · July 2026
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations. Results of a cohort of pat ...
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Journal articleClin Cancer Res · June 15, 2026
PURPOSE: Androgen receptor pathway inhibitors (ARPI), such as enzalutamide and abiraterone, are standard treatments for metastatic castration-resistant prostate cancer (mCRPC). However, a subset of patients display primary resistance and most eventually ac ...
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Journal articleEur Urol Focus · June 2026
BACKGROUND AND OBJECTIVE: This study aimed to develop and validate a prognostic model for overall survival (OS) in men with de novo metastatic hormone-sensitive prostate cancer (mHSPC), using clinical factors from phase 3 trials to improve survival predict ...
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Journal articleClin Trials · May 30, 2026
BACKGROUND: In this article, we introduce a Phase I clinical trial design that utilizes late-onset toxicity outcomes to determine group-specific doses when groups are partially ordered before the trial. By "partially ordered groups," we mean that the frail ...
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Journal articleCommun Stat Theory Methods · May 16, 2026
The partial likelihood approach is the gold standard approach for estimating regression parameters in proportional hazards model, largely because it avoids specifying the baseline hazard function. However, this approach can lack robustness in the presence ...
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Journal articleAnn Oncol · May 2026
Enumeration of lines of therapy (LoT) is critical across oncology for ensuring optimal patient care, establishing uniform eligibility for clinical trial enrolment, standardising use of real-world data and pooling data for research purposes. Building on an ...
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Journal articleJ Clin Oncol · May 2026
PURPOSE: The continuous development of new imaging approaches, molecular phenotyping, genetic subtypes, prognosis assessments, and effective therapies across a range of disease states has created a need to redefine terminology and best practices for clinic ...
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Journal articleLifetime Data Anal · April 2, 2026
Two-stage randomized trials, or the more general sequential multiple assignment randomized trials (SMART), have been increasingly used in studying adaptive treatment strategies for treating chronic diseases or conditions where treatments need to be adjuste ...
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Journal articleProstate Cancer Prostatic Dis · April 2, 2026
BACKGROUND: Androgen receptor splice variant-7 (AR-V7), a constitutively active truncated protein, is linked to hormone therapy resistance. Nuclear AR-V7 in CTCs correlates with poor response and shorter progression-free survival (PFS) and overall survival ...
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Journal articleEur Urol Oncol · April 2026
BACKGROUND AND OBJECTIVE: Optimal management for high-risk prostate cancer is unclear. Using individual patient data from two contemporaneous North American cooperative group phase 3 randomized controlled trials (RCTs), we compared the outcomes of high-ris ...
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Journal articleEur Urol · April 2026
BACKGROUND AND OBJECTIVE: Although validated prognostic models exist for men with metastatic castration-resistant prostate cancer (mCRPC), current tools do not incorporate genomic biomarkers such as circulating tumor DNA (ctDNA) aneuploidy or pathogenic ge ...
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Journal articleJCO Precis Oncol · April 2026
PURPOSE: Targeted Agent and Profiling Utilization Registry is a phase II basket trial evaluating the antitumor activity of targeted agents in patients with advanced cancer and genomic alterations. Results of three cohorts of patients with colorectal cancer ...
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Journal articleJCO Precis Oncol · April 2026
PURPOSE: TAPUR is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations who have no standard treatments available. Results of four cohorts of patients wi ...
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Journal articleJCO Precis Oncol · April 2026
PURPOSE: TAPUR is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations. Results of two cohorts of patients with urothelial (UC) or ovarian/fallopian tub ...
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Journal articleAnn Oncol · March 2026
BACKGROUND: Artificial intelligence (AI) is expected to introduce an increasing number of biomarkers in oncology. To bridge the gap between oncology and computer science, it is timely to define recommendations for AI-based biomarkers suitable for routine c ...
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Journal articleProstate Cancer Prostatic Dis · February 12, 2026
BACKGROUND: In ARAMIS, darolutamide statistically significantly prolonged metastasis-free survival by 2 years and reduced the risk of death by 31% in patients with nonmetastatic castration-resistant prostate cancer (nmCRPC). We report post hoc analyses of ...
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Journal articleJAMA Netw Open · January 2, 2026
IMPORTANCE: Docetaxel has been a standard treatment for metastatic castration-resistant prostate cancer (mCRPC) since 2004. Cabazitaxel, a related taxane, was approved in 2010 for patients with mCRPC who had been previously treated with docetaxel. The comp ...
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Journal articleEur Urol · January 2026
Subgroup analyses must be approached with caution. Only prespecified, well-powered analyses with formal interaction testing and validation can support strong claims; exploratory findings require confirmation. Integration of statistical rigor with clinical ...
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Journal articleCancer Med · January 2026
BACKGROUND: Darolutamide plus androgen-deprivation therapy (ADT) improved metastasis-free survival (MFS) by 2 years and reduced the risk of death by 31% in nonmetastatic castration-resistant prostate cancer (nmCRPC) in ARAMIS. Prior local therapy may influ ...
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Journal articleJCO Precis Oncol · January 2026
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket trial evaluating the antitumor activity of targeted agents in patients with advanced cancer and genomic alterations. Results of four cohorts of patients with ATM-alte ...
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Journal articleNat Commun · December 17, 2025
There is an unmet need for a tool that could predict early favorable prostate-specific antigen (PSA) response in metastatic hormone sensitive prostate cancer (mHSPC) patients receiving androgen receptor pathway inhibitor (ARPI). Here, we train and validate ...
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Journal articleClin Trials · December 2025
BACKGROUND/AIM: Basket designs have been utilized in recent oncology clinical trials due to an increased interest in precision medicine. One current successful basket trial is the American Society for Clinical Oncology Targeted Agent and Profiling Utilizat ...
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Journal articleAnn Oncol · December 2025
BACKGROUND: Large language models (LLMs) are rapidly being integrated into health care, with substantial implications for oncology practice. The European Society for Medical Oncology (ESMO) developed the ESMO guidance on the use of Large Language Models in ...
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Journal articleJ Clin Oncol · December 2025
PURPOSE: Biochemical recurrence (BCR) of prostate cancer (PCa) after definitive surgery and/or radiation (including salvage strategies) is a burgeoning area of clinical research inspired by ultrasensitive next-generation imaging. Most phase III trials in P ...
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Journal articleTransact Mach Learn Res · December 2025
Simultaneous feature selection and non-linear function estimation is challenging in modeling, especially in high-dimensional settings where the number of variables exceeds the available sample size. In this article, we investigate the problem of feature se ...
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Journal articleBioengineering (Basel) · November 20, 2025
Multiple imputation (MI) is widely used for handling missing data. However, applying penalized methods after MI can be challenging because variable selection may be inconsistent across imputations. We propose a two-step variable selection method for multip ...
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Journal articleJAMA Oncol · November 1, 2025
IMPORTANCE: Advanced penile squamous cell carcinoma (PSCC) is associated with poor survival, and no new treatment strategies have changed clinical outcomes in past decades. This highlights the unmet need to understand the biology and develop more effective ...
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Journal articleJCO Precis Oncol · October 2025
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket trial evaluating the antitumor activity of targeted agents in patients with advanced cancer and genomic alterations. Results of five cohorts of patients with BRCA1/2- ...
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Journal articleBMJ Open · August 31, 2025
Prognostic research is clinically relevant and ultimately facilitates stratified medicine. However, its quality and output are limited. More guidance is needed to improve understanding and thus quality. On behalf of the topic group 'TG5: study design' of t ...
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Journal articleJCO Precis Oncol · July 2025
PURPOSE: In urothelial carcinoma, prior studies have indicated that the basal/squamous molecular subtype and the presence of select DNA damage response (DDR) gene alterations are associated with improved benefit from cisplatin-based chemotherapy. We sought ...
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Journal articleProstate Cancer Prostatic Dis · June 2025
BACKGROUND: CALGB 90401 (Alliance) was a phase III trial of 1050 patients with metastatic castration-resistant prostate cancer (mCRPC) comparing docetaxel, prednisone, bevacizumab (DP+B) versus DP alone. While this trial did not show an improvement in over ...
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Journal articleProstate Cancer Prostatic Dis · June 2025
Combined androgen deprivation therapy (ADT) and radiotherapy (RT) improves outcomes for intermediate and high-risk prostate cancer. Treatment intensification with abiraterone acetate/prednisone (AAP) provides additional benefit for high-risk disease. We pr ...
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Journal articleBioengineering (Basel) · May 31, 2025
This study addresses the problem of simultaneous variable selection and model estimation in multivariate failure time data, a common challenge in clinical trials with multiple correlated time-to-event endpoints. We propose a unified framework that identifi ...
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Journal articleEur Urol Open Sci · May 2025
BACKGROUND AND OBJECTIVE: Cisplatin-based chemotherapy has been a cornerstone of therapy for advanced/metastatic urothelial cancer (mUC). However, no genomic characteristics have been validated as prognostic biomarkers for this therapy. We sought to identi ...
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Journal articleESMO Open · May 2025
BACKGROUND: TAPUR is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and targetable genomic alterations. Results of four patients with various tumors with NRG1 fusions tre ...
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Journal articleStat Med · May 2025
Win measures, such as win ratio, win odds, net benefit, and desirability of outcome ranking (DOOR), have become popular approaches for the analysis of hierarchical endpoints in clinical studies. Sample size and power calculations with win measures based on ...
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Journal articleJCO Precis Oncol · May 2025
PURPOSE: Genomic testing for prostate cancer (PCa) clinical management and hereditary cancer assessment has grown in clinical impact; however, challenges remain regarding optimal implementation and end-user confidence. The Decision-making, Experience, and ...
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Journal articleLancet Reg Health Am · April 2025
BACKGROUND: Whether COVID-19 vaccination is associated with risks for cardiovascular complications after SARS-CoV-2 infection in patients with cancer is unknown. The objective of this study was to investigate the associations between the two. METHODS: This ...
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Journal articleJ Immunother Cancer · March 7, 2025
Immunotherapy of cancer is now an essential pillar of treatment for patients with many individual tumor types. Novel immune targets and technical advances are driving a rapid exploration of new treatment strategies incorporating immune agents in cancer cli ...
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Journal articleEur Urol · February 2025
BACKGROUND AND OBJECTIVE: Radiotherapy (RT) and long-term androgen deprivation therapy (ltADT; 18-36 mo) is a standard of care in the treatment of high-risk localized/locoregional prostate cancer (HRLPC). We evaluated the outcomes in patients treated with ...
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Journal articleEur Urol · February 2025
BACKGROUND AND OBJECTIVE: Innovations have improved outcomes in advanced prostate cancer (PC). Nonetheless, we continue to lack high-level evidence on a variety of topics that greatly impact daily practice. The 2024 Advanced Prostate Cancer Consensus Confe ...
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Journal articleN Engl J Med · January 2, 2025
BACKGROUND: Muscle-invasive urothelial carcinoma is an aggressive disease with high rates of relapse. Whether pembrolizumab as adjuvant therapy would be effective in patients with high-risk muscle-invasive urothelial carcinoma after radical surgery is unkn ...
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Journal articlePLOS Glob Public Health · 2025
Recent mass-poisoning events caused by substandard medicines placed in global markets raise the question as to what more can be done to stop it. Efforts have been underway for years at the World Health Organization and other multilateral fora, such as the ...
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Journal articlePharm Stat · 2025
A major emphasis in personalized medicine is to optimally treat subgroups of patients who may benefit from certain therapeutic agents. One relevant study design is the targeted design, in which patients have consented for their specimens to be obtained at ...
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Journal articleStat Med · December 30, 2024
In studying the association between clinical measurements and time-to-event outcomes within a cure model, utilizing repeated observations rather than solely baseline values may lead to more accurate estimation. However, there are two main challenges in thi ...
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Journal articleNat Commun · December 11, 2024
Circulating tumor DNA (ctDNA) in plasma cell free DNA (cfDNA) of cancer patients is associated with poor prognosis, but is challenging to detect from low plasma volumes. In metastatic castration-resistant prostate cancer (mCRPC), ctDNA assays are needed to ...
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Journal articleAnn Oncol · November 2024
BACKGROUND: Advances in precision oncology led to approval of tumour-agnostic molecularly guided treatment options (MGTOs). The minimum requirements for claiming tumour-agnostic potential remain elusive. METHODS: The European Society for Medical Oncology ( ...
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Journal articleJCI Insight · October 22, 2024
BACKGROUNDProstate cancer (PC) is driven by aberrant signaling of the androgen receptor (AR) or its ligands, and androgen deprivation therapies (ADTs) are a cornerstone of treatment. ADT responsiveness may be associated with germline changes in genes that ...
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Journal articleJCO Precis Oncol · October 2024
PURPOSE: Targeted Agent and Profiling Utilization Registry is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and targetable genomic alterations. Two cohorts of patients w ...
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Journal articleJ Clin Oncol · September 20, 2024
PURPOSE: Targeted Agent and Profiling Utilization Registry is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations known to be drug targets. Results of ...
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Journal articleBMC Public Health · September 18, 2024
BACKGROUND: Black men consistently have higher rates of prostate cancer (PCA)- related mortality. Advances in PCA treatment, screening, and hereditary cancer assessment center around germline testing (GT). Of concern is the significant under-engagement of ...
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Journal articleJCO Precis Oncol · July 2024
PURPOSE: Targeted Agent and Profiling Utilization Registry (TAPUR) is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations known to be drug targets. Res ...
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Journal articleCancer · June 15, 2024
BACKGROUND: COVID-19 can have a particularly detrimental effect on patients with cancer, but no studies to date have examined if the presence, or site, of metastatic cancer is related to COVID-19 outcomes. METHODS: Using the COVID-19 and Cancer Consortium ...
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Journal articleClin Trials · June 2024
With the advent of targeted agents and immunological therapies, the medical research community has become increasingly aware that conventional methods for determining the best dose or schedule of a new agent are inadequate. It has been well established tha ...
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Journal articleBMC Genomics · May 14, 2024
BACKGROUND: Herein, we report results from a genome-wide study conducted to identify protein quantitative trait loci (pQTL) for circulating angiogenic and inflammatory protein markers in patients with metastatic colorectal cancer (mCRC). The study was cond ...
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Journal articleLancet · April 27, 2024
Prostate cancer is the most common cancer in men in 112 countries, and accounts for 15% of cancers. In this Commission, we report projections of prostate cancer cases in 2040 on the basis of data for demographic changes worldwide and rising life expectancy ...
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Journal articleJ Clin Oncol · April 1, 2024
PURPOSE: Patients with biochemically recurrent prostate cancer (BRPC) after radical prostatectomy and a short PSA doubling time are at risk for distant metastases. Apalutamide, an androgen receptor antagonist, and abiraterone acetate plus prednisone (AAP) ...
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Journal articleJCO Precis Oncol · April 2024
PURPOSE: Targeted Agent and Profiling Utilization Registry is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer with genomic alterations known to be drug targets. Results of ...
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Journal articleJ Clin Oncol · March 20, 2024
PURPOSE: Despite major increases in the longevity of men with metastatic hormone-sensitive prostate cancer (mHSPC), most men still die of prostate cancer. Phase III trials assessing new therapies in mHSPC with overall survival (OS) as the primary end point ...
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Journal articleClin Cancer Res · March 15, 2024
PURPOSE: HOXB13 is an androgen receptor (AR) coregulator specifically expressed in cells of prostatic lineage. We sought to associate circulating tumor cell (CTC) HOXB13 expression with outcomes in men with mCRPC treated with abiraterone or enzalutamide. E ...
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Journal articlePharmacogenomics J · March 4, 2024
The objective of this study was to discover clinical and pharmacogenetic factors associated with bevacizumab-related gastrointestinal hemorrhage in Cancer and Leukemia Group B (Alliance) 90401. Patients with metastatic castration-resistant prostate cancer ...
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Journal articleAnn Oncol · March 2024
BACKGROUND: Prior work from the Intermediate Clinical Endpoints in Cancer of the Prostate (ICECaP) consortium (ICECaP-1) demonstrated that metastasis-free survival (MFS) is a valid surrogate for overall survival (OS) in localized prostate cancer (PCa). Thi ...
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Journal articleJCO Precis Oncol · March 2024
Clinical genomic testing of patient germline, tumor tissue, or plasma cell-free DNA can enable a personalized approach to cancer management and treatment. In prostate cancer (PCa), broad genotyping tests are now widely used to identify germline and/or soma ...
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Journal articleJCO Precis Oncol · February 2024
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations known to be drug targets. R ...
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Journal articleJCO Precision Oncology · February 2024
PURPOSE Targeted Agent and Profiling Utilization Registry (TAPUR) is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic ...
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Journal articleJ Natl Cancer Inst · January 10, 2024
BACKGROUND: The phase 3 CALGB 90203 (Alliance) trial evaluated neoadjuvant chemohormonal therapy for high-risk localized prostate cancer before radical prostatectomy. We dissected the molecular features of post-treated tumors with long-term clinical outcom ...
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Journal articleFuture Oncol · 2024
We observed lack of clarity and consistency in end point definitions of large randomized clinical trials in diffuse large B-cell lymphoma. These inconsistencies are such that trials might, in fact, address different clinical questions. They complicate inte ...
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Journal articleJournal of Clinical Oncology · January 1, 2024
Background: ACIS was an international phase III trial comparing apalutamide (A) plus abiraterone acetate and prednisone (AAP) to AAP in patients (pts) with mCRPC. Recognizing that lack of diversity in clinical trials is a major challenge to real-world tran ...
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Journal articlemedRxiv · December 4, 2023
BACKGROUND: Herein, we report results from a genome-wide study conducted to identify protein quantitative trait loci (pQTL) for circulating angiogenic and inflammatory protein markers in patients with metastatic colorectal cancer (mCRC).The study was condu ...
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Journal articleNEJM Evid · December 2023
In this issue of NEJM Evidence, Gaudet et al. present the safety profile and pharmacodynamics of ARO-APOC3, a small interfering RNA therapeutic that inhibits apolipoprotein C-III (APOC3) mRNA expression in a phase I trial.1 Assignment to treatment was base ...
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Journal articleJ Clin Oncol · November 20, 2023
PURPOSE: The Targeted Agent and Profiling Utilization Registry (TAPUR) Study is a pragmatic basket trial evaluating antitumor activity of approved targeted agents in patients with advanced cancers harboring potentially actionable genomic alterations. Data ...
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Journal articleJ Clin Oncol · November 10, 2023
PURPOSE: Improving clinical outcomes with novel drug combinations to treat metastatic castration-resistant prostate cancer (mCRPC) is challenging. Preclinical studies showed cabazitaxel had superior antitumor efficacy compared with docetaxel. Gene expressi ...
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Journal articleJCO Precis Oncol · September 2023
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket study evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancers with genomic alterations known to be drug targets. ...
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Journal articleJAMA · July 25, 2023
IMPORTANCE: Immune dysregulation contributes to poorer outcomes in COVID-19. OBJECTIVE: To investigate whether abatacept, cenicriviroc, or infliximab provides benefit when added to standard care for COVID-19 pneumonia. DESIGN, SETTING, AND PARTICIPANTS: Ra ...
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Journal articleJ Clin Oncol · June 20, 2023
PURPOSE: Enzalutamide and abiraterone both target androgen receptor signaling but via different mechanisms. The mechanism of action of one drug may counteract the resistance pathways of the other. We sought to determine whether the addition of abiraterone ...
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Journal articleBMJ Open · June 16, 2023
OBJECTIVE: We studied the safety and efficacy of hydroxychloroquine (HCQ) as pre-exposure prophylaxis for COVID-19 in healthcare workers (HCWs), using a meta-analysis of randomised controlled trials (RCTs). DATA SOURCES: PubMed and EMBASE databases were se ...
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Journal articleJCO Precis Oncol · June 2023
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a pragmatic basket trial evaluating antitumor activity of commercially available targeted agents in patients with advanced cancers harboring potentially actionable genomic alterations. ...
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Journal articleJ Clin Oncol · May 20, 2023
PURPOSE: We have previously developed and externally validated a prognostic model of overall survival (OS) in men with metastatic, castration-resistant prostate cancer (mCRPC) treated with docetaxel. We sought to externally validate this model in a broader ...
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Journal articleClin Cancer Res · May 15, 2023
PURPOSE: In men with metastatic castration-resistant prostate cancer (mCRPC), prostate-specific membrane antigen (PSMA)-targeted radioligand therapy has drastically improved clinical outcomes. A liquid biopsy characterizing PSMA expression could be useful ...
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Journal articleProstate · May 2023
BACKGROUND: A prognostic risk score (Halabi score) in metastatic castration-resistant prostate cancer (mCRPC) accurately predicts overall survival, but its association with quality of life (QOL) has not been defined. We hypothesize that a higher pretreatme ...
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Journal articleEur J Cancer · May 2023
BACKGROUND: Innovations in imaging and molecular characterisation together with novel treatment options have improved outcomes in advanced prostate cancer. However, we still lack high-level evidence in many areas relevant to making management decisions in ...
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Journal articleNEJM Evid · May 2023
Bayesian WayThis animated video explores two possible approaches to analyzing data in a randomized controlled trial: "Frequentist" versus "Bayesian." ...
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Journal articleJCO Precis Oncol · April 2023
PURPOSE: The TAPUR Study is a pragmatic basket trial evaluating antitumor activity of commercially available targeted agents in patients with advanced cancers harboring potentially actionable genomic alterations. Data from a cohort of patients with endomet ...
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Journal articleBMC Cancer · March 23, 2023
INTRODUCTION: COVID-19 particularly impacted patients with co-morbid conditions, including cancer. Patients with melanoma have not been specifically studied in large numbers. Here, we sought to identify factors that associated with COVID-19 severity among ...
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Journal articleEur Urol · March 2023
BACKGROUND: Innovations in imaging and molecular characterisation and the evolution of new therapies have improved outcomes in advanced prostate cancer. Nonetheless, we continue to lack high-level evidence on a variety of clinical topics that greatly impac ...
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Journal articleLancet Reg Health Am · March 2023
BACKGROUND: Breakthrough SARS-CoV-2 infections following vaccination against COVID-19 are of international concern. Patients with cancer have been observed to have worse outcomes associated with COVID-19 during the pandemic. We sought to evaluate the clini ...
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Journal articleJCO Precis Oncol · February 2023
PURPOSE: The TAPUR Study is a phase II basket trial that aims to evaluate activity of approved targeted agents in patients with advanced cancers with potentially actionable genomic variants. Data from a cohort of patients with metastatic castrate-resistant ...
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Journal articleJ Clin Invest · November 1, 2022
BackgroundNeuroendocrine prostate cancer (NEPC) is an aggressive subtype, the presence of which changes the prognosis and management of metastatic prostate cancer.MethodsWe performed analytical validation of a Circulating Tumor Cell (CTC) multiplex RNA qPC ...
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Journal articleJCO Precis Oncol · November 2022
PURPOSE: TAPUR is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations known to be drug targets. The results of a cohort of patients with colorectal can ...
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Journal articleClin Trials · October 2022
BACKGROUND/AIM: The number of coronavirus disease 2019 deaths and cases continues to increase globally. Novel therapies are urgently needed to treat patients with coronavirus disease 2019. We sought to provide a critical review of trials designed during th ...
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Journal articleJCO Precis Oncol · October 2022
PURPOSE: The TAPUR Study is a pragmatic phase II basket trial evaluating antitumor activity of commercially available targeted agents in patients with advanced cancers harboring potentially actionable genomic alterations. Data from two cohorts of patients ...
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Journal articlemedRxiv · September 26, 2022
BACKGROUND: We investigated whether abatacept, a selective costimulation modulator, provides additional benefit when added to standard-of-care for patients hospitalized with Covid-19. METHODS: We conducted a master protocol to investigate immunomodulators ...
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Journal articlemedRxiv · September 26, 2022
BACKGROUND: Immune dysregulation contributes to poorer outcomes in severe Covid-19. Immunomodulators targeting various pathways have improved outcomes. We investigated whether infliximab provides benefit over standard of care. METHODS: We conducted a maste ...
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Journal articleProstate Cancer Prostatic Dis · September 2022
PURPOSE: Prostate cancer is a heterogeneous disease with variable clinical outcomes. Despite numerous recent approvals of novel therapies, castration-resistant prostate cancer remains lethal. A "real-world" clinical-genomic database is urgently needed to e ...
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Journal articleJAMA Oncol · September 1, 2022
IMPORTANCE: The log-rank test is considered the criterion standard for comparing 2 survival curves in pivotal registrational trials. However, with novel immunotherapies that often violate the proportional hazards assumptions over time, log-rank can lose po ...
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Journal articleStat Med · July 30, 2022
Identifying exceptional responders or nonresponders is an area of increased research interest in precision medicine as these patients may have different biological or molecular features and therefore may respond differently to therapies. Our motivation ste ...
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Journal articleClin Cancer Res · July 1, 2022
PURPOSE: CALGB 90206 was a phase III trial of 732 patients with metastatic renal cell carcinoma (mRCC) comparing bevacizumab plus IFNα (BEV + IFN) with IFNα alone (IFN). No difference in overall survival (OS) was observed. Baseline samples were analyzed to ...
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Journal articleEur Urol · July 2022
Patients with advanced prostate cancer (APC) may be at greater risk for severe illness, hospitalisation, or death from coronavirus disease 2019 (COVID-19) due to male gender, older age, potential immunosuppressive treatments, or comorbidities. Thus, the op ...
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Journal articleEur Urol · July 2022
BACKGROUND: Innovations in treatments, imaging, and molecular characterisation in advanced prostate cancer have improved outcomes, but various areas of management still lack high-level evidence to inform clinical practice. The 2021 Advanced Prostate Cancer ...
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Journal articleProstate · May 2022
BACKGROUND: In preclinical models of prostate cancer (PC), disulfiram (DSF) reduced tumor growth only when co-administered with copper (Cu), and Cu uptake in tumors is partially regulated by androgen-receptor signaling. However, prior trials of DSF in PC u ...
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Journal articleProstate Cancer Prostatic Dis · April 2022
BACKGROUND: Men with progressive neuroendocrine or aggressive-variant metastatic prostate cancer (NEPC/AVPC) have a poor prognosis and limited treatment options, and immunotherapy has not been tested in such patients. METHODS: We conducted an open label si ...
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Journal articleJAMA Netw Open · March 1, 2022
IMPORTANCE: Non-Hispanic Black individuals experience a higher burden of COVID-19 than the general population; hence, there is an urgent need to characterize the unique clinical course and outcomes of COVID-19 in Black patients with cancer. OBJECTIVE: To i ...
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Journal articleEur Urol Oncol · February 2022
CONTEXT: Prostate cancer (PCa) is a complex disease that disproportionately impacts Black men in the USA. The structural factors that drive heterogeneous outcomes for patients of differing backgrounds are probably the same ones that result in population-le ...
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Journal articleEur J Cancer · January 2022
BACKGROUND: Innovations in treatments, imaging and molecular characterisation have improved outcomes for people with advanced prostate cancer; however, many aspects of clinical management are devoid of high-level evidence. At the Advanced Prostate Cancer C ...
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Journal articleEndocr Oncol · January 2022
The androgen receptor (AR) signaling pathway regulates the progression of prostate cancer (PC). Metastatic castration-resistant prostate cancer (mCRPC) patients generally receive AR-targeted therapies (ART) or androgen-deprivation therapies (ADT) with the ...
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Journal articlePharm Stat · November 2021
Before biomarkers can be used in clinical trials or patients' management, the laboratory assays that measure their levels have to go through development and analytical validation. One of the most critical performance metrics for validation of any assay is ...
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Journal articleJAMA Netw Open · November 1, 2021
IMPORTANCE: Androgen deprivation therapy (ADT) has been theorized to decrease the severity of SARS-CoV-2 infection in patients with prostate cancer owing to a potential decrease in the tissue-based expression of the SARS-CoV-2 coreceptor transmembrane prot ...
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Journal articleKidney Cancer J · October 2021
Biomarkers are needed in patients with non-clear cell renal cell carcinomas (NC-RCC), particularly papillary renal cell carcinoma, in order to inform on initial treatment selection and identify potentially novel targets for therapy. We enrolled 108 patient ...
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Journal articleJ Clin Oncol · September 10, 2021
PURPOSE: Nearly all men with prostate cancer treated with androgen receptor (AR) signaling inhibitors (ARSIs) develop resistance via diverse mechanisms including constitutive activation of the AR pathway, driven by AR genomic structural alterations, expres ...
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Journal articleUrology · September 2021
Androgen deprivation therapy remains the backbone therapy for the treatment of metastatic hormone-sensitive prostate cancer (mHSPC). In recent years, several treatments, including docetaxel, abiraterone + prednisone, enzalutamide, and apalutamide, have eac ...
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Journal articleCancer · August 15, 2021
BACKGROUND: Retrospective analyses of randomized trials suggest that Black men with metastatic castration-resistant prostate cancer (mCRPC) have longer survival than White men. The authors conducted a prospective study of abiraterone acetate plus prednison ...
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Journal articleJ Urol · August 2021
PURPOSE: No published head-to-head randomized trials have compared the safety and efficacy of darolutamide vs apalutamide or enzalutamide in nonmetastatic castration-resistant prostate cancer. This study compares prespecified adverse events and metastasis- ...
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Journal articleJ Clin Oncol · August 1, 2021
PURPOSE: The combination of gemcitabine and cisplatin (GC) is a standard therapy for metastatic urothelial carcinoma. Based on data that angiogenesis plays a role in urothelial carcinoma growth and progression, a randomized placebo-controlled trial was per ...
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Journal articleEur Urol Open Sci · August 2021
BACKGROUND: Systematic identification of data essential for outcome prediction in metastatic prostate cancer (mPC) would accelerate development of precision oncology. OBJECTIVE: To identify novel phenotypes and features associated with mPC outcome, and to ...
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Journal articleClin Cancer Res · July 15, 2021
PURPOSE: While the detection of AR-V7 in circulating tumor cells (CTC) is associated with resistance to abiraterone or enzalutamide in men with metastatic castration-resistant prostate cancer (mCRPC), it only accounts for a minority of this resistance. Neu ...
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Journal articleClin Cancer Res · June 15, 2021
PURPOSE: Biomarkers are needed in patients with non-clear cell renal cell carcinomas (NC-RCC) to inform treatment selection but also to identify novel therapeutic targets. We thus sought to profile circulating angiokines in the context of a randomized trea ...
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Journal articleAnn Oncol · June 2021
BACKGROUND: Patients with cancer may be at high risk of adverse outcomes from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We analyzed a cohort of patients with cancer and coronavirus 2019 (COVID-19) reported to the COVID-19 and ...
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Journal articleEur J Cancer · June 2021
PURPOSE: To evaluate the prognostic significance of circulating tumour cell (CTC) number determined on the Epic Sciences platform in men with metastatic castration-resistant prostate cancer (mCRPC) treated with an androgen receptor signalling inhibitor (AR ...
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Journal articleStat Med · May 30, 2021
A major emphasis in precision medicine is to optimally treat subgroups of patients who may benefit from certain therapeutic agents. And as such, enormous resources and innovative clinical trials designs in oncology are devoted to identifying predictive bio ...
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Journal articleInt J Radiat Oncol Biol Phys · April 1, 2021
PURPOSE: Long-term androgen-deprivation therapy (ADT) is the standard of care in combination with radiation therapy (RT) in high-risk prostate cancer (PC), despite substantial toxicity from the resulting hypogonadism. We hypothesized that a combination of ...
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Journal articleEur Urol Open Sci · April 2021
The rapid innovation of the treatment and diagnostic procedures in advanced prostate cancer has led to improved outcomes, though uncertainty remains regarding the best management approach in many clinical situations. The Advanced Prostate Cancer Consensus ...
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Journal articlePharm Stat · March 2021
The estimand framework requires a precise definition of the clinical question of interest (the estimand) as different ways of accounting for "intercurrent" events post randomization may result in different scientific questions. The initiation of subsequent ...
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Journal articleLancet Oncol · March 2021
BACKGROUND: The international Intermediate Clinical Endpoints in Cancer of the Prostate working group has established metastasis-free survival as a surrogate for overall survival in localised prostate cancer based on the findings of 19 predominantly radiot ...
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Journal articleCancer Cell · December 14, 2020
When the COVID-19 pandemic began, formal frameworks to collect data about affected patients were lacking. The COVID-19 and Cancer Consortium (CCC19) was formed to collect granular data on patients with cancer and COVID-19 at scale and as rapidly as possibl ...
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Journal articleTarget Oncol · December 2020
BACKGROUND: TAPUR is a pragmatic, phase II basket study evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancers harboring genomic alterations known to be drug targets. Sunitinib is an oral multikinase i ...
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Journal articleTarget Oncol · December 2020
BACKGROUND: The Targeted Agent and Profiling Utilization Registry (TAPUR) Study, a phase II basket study, evaluates anti-tumor activity of commercially available targeted agents in patients with advanced cancers harboring genomic alterations known as drug ...
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Journal articlePharm Stat · November 2020
Assuming the proportional hazards model and non-informative censoring, the full likelihood approach is used to obtain two new residuals. The first residual is based on the ideas used in obtaining score-type residuals similar to the partial likelihood appro ...
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Journal articleJCO Precis Oncol · November 2020
PURPOSE: The Targeted Agent and Profiling Utilization Registry (TAPUR) Study is a phase II pragmatic basket trial evaluating antitumor activity of commercially available targeted agents in patients with advanced cancer with genomic alterations known to be ...
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Journal articleAm J Clin Nutr · October 1, 2020
Dietary interventions often target foods that are underconsumed relative to dietary guidelines, such as vegetables, fruits, and whole grains. Because these foods are only consumed episodically for some participants, data from such a study often contains a ...
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Journal articleJ Clin Oncol · September 10, 2020
PURPOSE: Recently, we have shown that metastasis-free survival is a strong surrogate for overall survival (OS) in men with intermediate- and high-risk localized prostate cancer and can accelerate the evaluation of new (neo)adjuvant therapies. Event-free su ...
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Journal articleJ Clin Oncol · September 10, 2020
PURPOSE: Radical prostatectomy (RP) alone is often inadequate in curing men with clinically localized, high-risk prostate cancer (PC). We hypothesized that chemohormonal therapy (CHT) with androgen-deprivation therapy plus docetaxel before RP would improve ...
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Journal articleJ Clin Transl Sci · September 4, 2020
INTRODUCTION: Missing data are inevitable in medical research and appropriate handling of missing data is critical for statistical estimation and making inferences. Imputation is often employed in order to maximize the amount of data available for statisti ...
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Journal articleAnn Oncol · July 2020
BACKGROUND: We have shown previously in multivariable analysis that black men had 19% lower risk of death than white men with metastatic castration-resistant prostate cancer (mCRPC) treated with a docetaxel and prednisone (DP)-based regimen. The primary go ...
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Journal articleClin Genitourin Cancer · June 2020
BACKGROUND: Pre-treatment androgen levels are associated with overall survival (OS) in patients with metastatic castration-resistant prostate cancer (CRPC) treated with androgen synthesis inhibitors. The current study sought to determine whether pre-treatm ...
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Journal articleLifetime Data Anal · April 2020
We discuss the multivariate (2L-variate) correlation structure and the asymptotic distribution for the group-sequential weighted logrank statistics formulated when monitoring two correlated event-time outcomes in clinical trials. The asymptotic distributio ...
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Journal articleGenes Chromosomes Cancer · April 2020
Circulating tumor cell (CTC) and cell-free (cf) DNA-based genomic alterations are increasingly being used for clinical decision-making in oncology. However, the concordance and discordance between paired CTC and cfDNA genomic profiles remain largely unknow ...
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Journal articleJNCI Cancer Spectr · April 2020
There are few data regarding disparities in overall survival (OS) between Asian and white men with metastatic castration-resistant prostate cancer (mCRPC). We compared OS of Asian and white mCRPC men treated in phase III clinical trials with docetaxel and ...
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Journal articleProstate Cancer Prostatic Dis · March 2020
BACKGROUND: Multiple androgens drive prostate cancer progression and higher pre-treatment levels of androgens, even within the castrate range, have been previously shown to be associated with an improved overall survival (OS) in mCRPC. Docetaxel impairs mi ...
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Journal articleUrol Oncol · March 2020
BACKGROUND: Activation of the PI3K-Akt-mTOR signaling pathway is common in advanced castration resistant prostate cancer (CRPC), typically through PTEN loss. Preclinical studies suggest that Akt-driven CaP cells are genetically susceptible to mammalian tar ...
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Journal articleOncologist · March 2020
A number of important drugs used to treat cancer-many of which serve as the backbone of modern chemotherapy regimens-have outdated prescribing information in their drug labeling. The Food and Drug Administration is undertaking a pilot project to develop a ...
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Journal articleJCO Precis Oncol · 2020
PURPOSE: Androgen receptor splice variant 7 (AR-V7) detection in circulating tumor cells (CTCs) is associated with a low probability of response and short progression-free (PFS) and overall survival (OS) in men with metastatic castration-resistant prostate ...
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Journal articleOncologist · November 2019
Cabozantinib treatment prolonged progression-free survival (PFS) and improved objective response rate (ORR) compared with sunitinib in patients with advanced renal cell carcinoma (RCC) of intermediate or poor risk by International Metastatic Renal Cell Car ...
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Journal articleProstate · November 2019
BACKGROUND: Docetaxel prednisone is a standard of care for men with metastatic castration-resistant prostate cancer (mCRPC), and plasma vascular endothelial growth factor (VEGF) levels are a poor prognostic factor in this population; therefore, we evaluate ...
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Journal articleJAMA Oncol · July 1, 2019
IMPORTANCE: Black men are more likely to die of prostate cancer than white men. In men with similar stages of disease, the contribution of biological vs nonbiological differences to this observed disparity is unclear. OBJECTIVE: To quantify the association ...
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Journal articleCrit Rev Oncol Hematol · July 2019
Bone metastases are a frequent complication of solid tumors, leading to significant skeletal sequelae that negatively impact quality of life and survival. Prevention and management of skeletal-related complications are critical treatment goals in oncology. ...
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Journal articleProstate Cancer Prostatic Dis · May 2019
BACKGROUND: To evaluate efficacy and morbidity prospectively in a contemporary multi-institutional salvage radical prostatectomy (SRP) series. METHODS: Forty-one men were enrolled between 1997 and 2006, who suffered biopsy-proven recurrent prostate cancer ...
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Journal articleJ Clin Oncol · May 1, 2019
PURPOSE: Androgen receptor splice variant 7 (AR-V7) results in a truncated receptor, which leads to ligand-independent constitutive activation that is not inhibited by anti-androgen therapies, including abiraterone or enzalutamide. Given that previous repo ...
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Journal articleEur Urol Focus · March 2019
There are many ongoing randomised trials of promising therapies for metastatic hormone-sensitive prostate cancer (mHSPC), but standard systematic reviews may not synthesise these in a timely or reliable way. We demonstrate how a novel approach to evidence ...
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Journal articleJNCI Cancer Spectr · March 2019
BACKGROUND: Meta-analysis of randomized controlled trials (RCTs) has been widely conducted for the evaluation of surrogate endpoints in oncology, but little attention has been given to the adequacy of reporting and interpretation. This review evaluated the ...
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Journal articleJ Clin Oncol · February 10, 2019
PURPOSE: Several studies have reported that among patients with localized prostate cancer, black men have a shorter overall survival (OS) time than white men, but few data exist for men with advanced prostate cancer. The primary goal of this analysis was t ...
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Journal articleJ Probab Stat · 2019
BACKGROUND: Evaluation of diagnostic assays and predictive performance of biomarkers based on the receiver operating characteristic (ROC) curve and the area under the ROC curve (AUC) are vital in diagnostic and targeted medicine. The partial area under the ...
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Journal articlePLoS One · 2019
BACKGROUND: Radium-223 is a targeted alpha-particle therapy that improves survival in men with metastatic castration resistant prostate cancer (mCRPC), particularly in men with elevated serum levels of bone alkaline phosphatase (B-ALP). We hypothesized tha ...
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Journal articleJCO Precis Oncol · 2019
The identification of prognostic factors and building of risk assessment prognostic models will continue to play a major role in 21st century medicine in patient management and decision making. Investigators are often interested in examining the relationsh ...
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Journal articleClin Cancer Res · October 1, 2018
Purpose: Bevacizumab is a VEGF-specific angiogenesis inhibitor indicated as an adjunct to chemotherapy for the treatment of multiple cancers. Hypertension is commonly observed during bevacizumab treatment, and high-grade toxicity can limit therapy or lead ...
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Journal articleEur J Cancer · May 2018
BACKGROUND: The randomised phase 2 CABOSUN trial comparing cabozantinib with sunitinib as initial therapy for advanced renal cell carcinoma (RCC) of intermediate or poor risk met the primary end-point of improving progression-free survival (PFS) as assesse ...
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Journal articleJ Clin Oncol · March 10, 2018
Purpose To update guideline recommendations on the role of bone-modifying agents in multiple myeloma. Methods An update panel conducted a targeted systematic literature review by searching PubMed and the Cochrane Library for randomized controlled trials, s ...
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Journal articleEur Urol · February 2018
BACKGROUND: In advanced prostate cancer (APC), successful drug development as well as advances in imaging and molecular characterisation have resulted in multiple areas where there is lack of evidence or low level of evidence. The Advanced Prostate Cancer ...
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Journal articleDiagn Progn Res · 2018
BACKGROUND: Building prognostic models of clinical outcomes is an increasingly important research task and will remain a vital area in genomic medicine. Prognostic models of clinical outcomes are usually built and validated utilizing variable selection met ...
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Journal articleJCO Precis Oncol · 2018
PURPOSE: Case reports and small prospective trials suggest that administering targeted therapies to patients with advanced cancer and an identified genomic target may be associated with clinical benefit. The TAPUR Study, a phase II, prospective, non-random ...
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Journal articleJ Surg Oncol · December 2017
Integrating diverse types of prognostic information into accurate, individualized estimates of outcome in colorectal cancer is challenging. Significant heterogeneity in colorectal cancer prognostication tool quality exists. Methodology is incompletely or i ...
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Journal articleJ Clin Oncol · September 20, 2017
Purpose Adjuvant therapy for intermediate-risk and high-risk localized prostate cancer decreases the number of deaths from this disease. Surrogates for overall survival (OS) could expedite the evaluation of new adjuvant therapies. Methods By June 2013, 102 ...
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Journal articleJ Clin Oncol · February 20, 2017
Purpose Cabozantinib is an oral potent inhibitor of vascular endothelial growth factor receptor 2, MET, and AXL and is a standard second-line therapy for metastatic renal cell carcinoma (mRCC). This randomized phase II multicenter trial evaluated cabozanti ...
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Journal articleClin Trials · February 2017
BACKGROUND: Futility (inefficacy) interim monitoring is an important component in the conduct of phase III clinical trials, especially in life-threatening diseases. Desirable futility monitoring guidelines allow timely stopping if the new therapy is harmfu ...
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Journal articleCommun Stat Theory Methods · 2017
We propose a minimand perturbation method to derive the confidence regions for the regularized estimators for the Cox's proportional hazards model. Although the regularized estimation procedure produces a more stable point estimate, it remains challenging ...
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Journal articleClin Cancer Res · October 1, 2016
PURPOSE: Discovery of SNPs that predict a patient's risk of docetaxel-induced neuropathy would enable treatment individualization to maximize efficacy and avoid unnecessary toxicity. The objectives of this analysis were to discover SNPs associated with doc ...
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Journal articleCA Cancer J Clin · September 2016
The American Joint Committee on Cancer (AJCC) has increasingly recognized the need for more personalized probabilistic predictions than those delivered by ordinal staging systems, particularly through the use of accurate risk models or calculators. However ...
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Journal articleAnn Surg Oncol · September 2016
The 7th edition American Joint Committee on Cancer (AJCC) melanoma staging system classifies patients according to prognosis. Significant within-stage heterogeneity remains and the inclusion of additional clinicopathologic and other host- and tumor-based p ...
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Journal articleSci Total Environ · August 15, 2016
PotosÃ, Bolivia, is the site of centuries of historic and present-day mining of the Cerro Rico, a mountain known for its rich polymetallic deposits, and was the site of large-scale Colonial era silver refining operations. In this study, the concentrations ...
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Journal articleJ Clin Oncol · May 10, 2016
PURPOSE: Reports have suggested that metastatic site is an important predictor of overall survival (OS) in men with metastatic castration-resistant prostate cancer (mCRPC), but these were based on a limited number of patients. We investigate the impact of ...
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Journal articleJ Clin Oncol · April 20, 2016
PURPOSE: Evolving treatments, disease phenotypes, and biology, together with a changing drug development environment, have created the need to revise castration-resistant prostate cancer (CRPC) clinical trial recommendations to succeed those from prior Pro ...
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Journal articleProstate Cancer Prostatic Dis · March 2016
BACKGROUND: Given the potential importance of epithelial plasticity (EP) to cancer metastasis, we sought to investigate biomarkers related to EP in men with localized prostate cancer (PC) for the association with time to PSA recurrence and other clinical o ...
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Journal articleLancet Oncol · March 2016
BACKGROUND: Non-clear cell renal cell carcinomas are histologically and genetically diverse kidney cancers with variable prognoses, and their optimum initial treatment is unknown. We aimed to compare the mTOR inhibitor everolimus and the VEGF receptor inhi ...
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Journal articleBiomed Res Int · 2016
Background. The iterative sure independence screening (ISIS) is a popular method in selecting important variables while maintaining most of the informative variables relevant to the outcome in high throughput data. However, it not only is computationally i ...
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Journal articleJ Natl Cancer Inst · December 2015
New systemic therapies have prolonged the lives of men with metastatic castration-resistant prostate cancer (mCRPC). Use of these therapies in the adjuvant setting when the disease may be micrometastatic and potentially more sensitive to therapies may decr ...
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Journal articleJ Thorac Oncol · November 2015
INTRODUCTION: Accurate, individualized prognostication for lung cancer patients requires the integration of standard patient and pathologic factors, biological, genetic, and other molecular characteristics of the tumor. Clinical prognostic tools aim to agg ...
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Journal articleEBioMedicine · November 2015
BACKGROUND: Prognosis associated with metastatic renal cell carcinoma (mRCC) can vary widely. METHODS: This study used pretreatment nephrectomy specimens from a randomized phase III trial. Expression levels of candidate genes were determined from archival ...
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Journal articleAnn Oncol · August 2015
The first St Gallen Advanced Prostate Cancer Consensus Conference (APCCC) Expert Panel identified and reviewed the available evidence for the ten most important areas of controversy in advanced prostate cancer (APC) management. The successful registration ...
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Journal articleEnviron Geochem Health · June 2015
Between 1564 and 1810, nearly 17,000 metric tons of mercury (Hg) vapor was released to the environment during cinnabar refining in the small town of Huancavelica, Peru. The present study characterizes individual exposure to mercury using total and speciate ...
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Journal articleCancer · April 1, 2015
BACKGROUND: Bevacizumab is associated with an increased risk of arterial thromboembolism (ATE); however, its effect on venous thromboembolism (VTE) remains controversial. Scant data exist on the factors that increase the risk of ATE/VTE in patients with pr ...
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Journal articleUrol Oncol · March 2015
BACKGROUND: The presence of ≥5 circulating tumor cells (CTCs) is prognostic for shorter survival in men with metastatic castration-resistant prostate cancer (mCRPC). However, some men have low CTCs despite widespread disease, suggesting heterogeneity in CT ...
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Journal articleUrol Oncol · March 2015
An independent data monitoring committee׳s (IDMC's) duty is to ensure that the interests of the patients entered in the trial are being well served (i.e., the risk-benefit ratio is appropriate) and that the scientific integrity of the trial is maintained d ...
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Journal articleCommun Stat Theory Methods · 2015
In this paper we develop the methodology for designing clinical trials with any factorial arrangement when the primary outcome is time to event. We provide a matrix formulation for calculating the sample size and study duration necessary to test any effect ...
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Journal articlePharm Stat · 2015
In a clinical trial comparing two treatment groups, one commonly-used endpoint is time to death. Another is time until the first nonfatal event (if there is one) or until death (if not). Both endpoints have drawbacks. The wrong choice may adversely affect ...
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Journal articleCirc Arrhythm Electrophysiol · December 2014
BACKGROUND: Elevated serum digoxin concentration can cause toxicity, including death. Dronedarone increases digoxin concentration by P-glycoprotein interaction. In Permanent Atrial Fibrillation Outcome Study Using Dronedarone On Top Of Standard Therapy Tri ...
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Journal articleStat Med · August 15, 2014
Clinical trials utilizing predictive biomarkers have become a research focus in personalized medicine. We investigate the effects of biomarker misclassification on the design and analysis of stratified biomarker clinical trials. For a variety of inference ...
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Journal articleJ Clin Oncol · April 10, 2014
PURPOSE: Zoledronic acid decreases the risk for skeletal-related events (SREs) in men with castration-resistant prostate cancer and bone metastases but its role earlier in the natural history of the disease is unknown. This phase III study evaluated the ef ...
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Journal articleJ Clin Oncol · March 1, 2014
PURPOSE: Prognostic models for overall survival (OS) for patients with metastatic castration-resistant prostate cancer (mCRPC) are dated and do not reflect significant advances in treatment options available for these patients. This work developed and vali ...
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Journal articleCancer · January 1, 2014
BACKGROUND: The current study was conducted to investigate the dependence between progression-free survival (PFS) and overall survival (OS) in patients with metastatic renal cell carcinoma (mRCC) and to explore whether PFS can be used as an intermediate en ...
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Journal articleClin Genitourin Cancer · December 2013
BACKGROUND: Phosphatase and tensin homologue (PTEN) loss is common in advanced prostate cancer, leading to constitutive activation of the PI3 kinase pathway. Temsirolimus blocks mammalian target of rapamycin (mTOR)/target of rapamycin complex 1 (TORC1), a ...
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Journal articleStat Med · November 20, 2013
Prognosis plays a pivotal role in patient management and trial design. A useful prognostic model should correctly identify important risk factors and estimate their effects. In this article, we discuss several challenges in selecting prognostic factors and ...
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Journal articleJ Natl Cancer Inst · November 20, 2013
BACKGROUND: Several prognostic models for overall survival (OS) have been developed and validated in men with metastatic castration-resistant prostate cancer (mCRPC) who receive first-line chemotherapy. We sought to develop and validate a prognostic model ...
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Journal articleJ Clin Oncol · November 1, 2013
PURPOSE: Prostate-specific antigen (PSA) kinetics, and more specifically a ≥ 30% decline in PSA within 3 months after initiation of first-line chemotherapy with docetaxel, are associated with improvement in overall survival (OS) in men with metastatic cast ...
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Journal articleCancer · October 15, 2013
BACKGROUND: Preliminary data suggest a potential decreased benefit of docetaxel in patients with metastatic, castration-resistant prostate cancer (mCRPC) who previously received abiraterone acetate, a novel androgen synthesis inhibitor (ASI). Cancer and Le ...
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Journal articleJ Natl Cancer Inst · April 3, 2013
A prognostic model that predicts overall survival (OS) for metastatic urothelial cancer (MetUC) patients treated with cisplatin-based chemotherapy was developed, validated, and compared with a commonly used Memorial Sloan-Kettering Cancer Center (MSKCC) ri ...
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Journal articleJ Clin Oncol · February 20, 2013
24 Background: Several prognostic models for overall survival (OS) have been developed and validated in men with chemotherapy naïve mCRPC. The primary objective was to develop and validate a prognostic model that can be used to predict OS in men who have f ...
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Journal articlePLoS One · 2013
This is the first study of adobe brick contamination anywhere in the world. Huancavelica, Peru is the site of historic cinnabar refining and one of the most mercury (Hg) contaminated urban areas in the world. Over 80% of homes in Huancavelica are construct ...
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Journal articlePain Med · November 2012
OBJECTIVE: The Brief Pain Inventory (BPI) was designed to yield separate scores for pain intensity and interference. It has been proposed that the pain interference factor can be further broken down into unique factors of affective (e.g., mood) and activit ...
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Journal articleJ Clin Oncol · September 20, 2012
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PURPOSE: Lactate dehydrogenase (LDH) is an enzyme involved in anaerobic glycolysis and regulated by the phosphatidylinositol 3-kinase/Akt/mammalian target of rapamycin (mTOR)-containing complex 1 (PI3K/Akt/TORC1) pathway as well as tumor hypoxia/necrosis. ...
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Journal articleCancer · September 1, 2012
BACKGROUND: The treatment for prostate cancer patients with biochemical failure after local therapy remains controversial. Peripheral androgen blockade using a combination of a 5-alpha reductase inhibitor and an antiandrogen may allow control of the prosta ...
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Journal articleSci Total Environ · June 1, 2012
Detailed Spanish records of cinnabar mining and mercury production during the colonial period in Huancavelica, Peru were examined to estimate historical health risks to the community from exposure to elemental mercury (Hg) vapor resulting from cinnabar ref ...
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Journal articleJ Biom Biostat · May 19, 2012
In many clinical trials, a single endpoint is used to answer the primary question and forms the basis for monitoring the experimental therapy. Many trials are lengthy in duration and investigators are interested in using an intermediate endpoint for an acc ...
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Journal articleJ Clin Oncol · May 1, 2012
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PURPOSE: A randomized, placebo-controlled study based on preclinical and clinical data that supports the potential role of vascular endothelial growth factor in prostate cancer was performed to evaluate the addition of bevacizumab to standard docetaxel and ...
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Journal articleEur Urol · March 2012
CONTEXT: We have recently witnessed a rapid increase in the number of effective systemic agents for men with metastatic castration-resistant prostate cancer (CRPC), including novel hormonal therapies (abiraterone acetate and MDV3100), immunotherapies (sipu ...
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Journal articleJ Clin Oncol · February 20, 2012
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Phase II trials are used to show sufficient preliminary activity of a new treatment (in single-arm designs or randomized screening designs) or to select among treatments with demonstrated activity (in randomized selection designs). The treatments prioritiz ...
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Journal articleJournal of Clinical Oncology · February 10, 2012
129 Background: Docetaxel/prednisone (DP) plus bevacizumab (B) demonstrated a superior progression-free survival (PFS) but did not prolong overall survival (OS) in comparison to DP monotherapy in CALGB 90401, a study of 1,050 pat ...
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Journal articleJ Clin Oncol · February 10, 2012
129 Background: Docetaxel/prednisone (DP) plus bevacizumab (B) demonstrated a superior progression-free survival (PFS) but did not prolong overall survival (OS) in comparison to DP monotherapy in CALGB 90401, a study of 1,050 patients with metastatic castr ...
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Journal articleJ Clin Oncol · February 10, 2012
200 Background: Baseline pain has been shown to be a significant predictor of overall survival (OS) in mCRPC pts. The objectives of this analysis were to identify predictors of OA use at 3-months after initiating frontline chemotherapy, and to determine if ...
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Journal articleStat Med · January 13, 2012
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The analysis of case-control studies with matched controls per case is well documented in the medical literature. Of primary interest is the estimation of the relative risk of disease. Matched case-control studies fall into two scenarios: the probability o ...
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Journal articleCancer · December 15, 2011
BACKGROUND: Combined transperineal prostate brachytherapy and external beam radiation therapy (EBRT) is widely used for treatment of prostate cancer. Long-term efficacy and toxicity results of a multicenter phase 2 trial assessing combination of EBRT and t ...
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Journal articleStat Med · July 20, 2011
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Diagnostic accuracy can be improved considerably by combining multiple biomarkers. Although the likelihood ratio provides optimal solution to combination of biomarkers, the method is sensitive to distributional assumptions which are often difficult to just ...
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Journal articleJ Clin Oncol · May 20, 2011
4664 Background: Sunitinib malate (Sutent, Pfizer) is an oral multi-targeted tyrosine kinase inhibitor of VEGF/PDGF receptors that may function in part to inhibit prostate tumor growth via anti-angiogenic mechanisms. METHODS: We conducted a multi-site stud ...
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Journal articleJournal of Clinical Oncology · March 1, 2011
189 Background: Management of prostate cancer in senior adults represents an important challenge as the median age at diagnosis is 68 and comorbidities in patients increase with advancing age. The objective of this analysis was t ...
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Journal articleJ Clin Oncol · March 2011
189 Background: Management of prostate cancer in senior adults represents an important challenge as the median age at diagnosis is 68 and comorbidities in patients increase with advancing age. The objective of this analysis was to determine if baseline com ...
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Journal articleEur J Cancer · March 2011
BACKGROUND: Chemotherapy-induced ovarian failure (CIOF) is a frequent side-effect of adjuvant chemotherapy that results in rapid bone loss. We hypothesised that zoledronic acid (ZA), a third-generation amino bisphosphonate, would prevent bone loss in preme ...
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Journal articleCancer · February 1, 2011
BACKGROUND: The use of docetaxel prolongs survival for patients with castrate-resistant prostate cancer (CRPC). Inhibition of vascular endothelial growth factor (VEGF) with bevacizumab may further enhance the antitumor effect of docetaxel and estramustine ...
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Journal articleAtmospheric Environment · November 2010
Detailed Spanish records of mercury use and silver production during the colonial period in PotosÃ, Bolivia were evaluated to estimate atmospheric emissions of mercury from silver smelting. Mercury was used in the silver production process in Potosà and ne ...
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Journal articleJ Natl Cancer Inst · July 7, 2010
Featured Publication
BACKGROUND: Tamoxifen use has been associated with increased risk of thromboembolic events (TEs) in women with breast cancer and women at high risk for the disease. Factor V Leiden (FVL) is the most common inherited clotting factor mutation and also confer ...
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Journal articleJournal of Clinical Oncology · June 20, 2010
LBA4511 Background: The preclinical activity of vascular endothelial growth factor (VEGF) blockade, the inverse relationship of plasma and urine VEGF levels and survival in mCRPC patients (pts), and encouraging phase II data test ...
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Journal articleJ Clin Oncol · June 20, 2010
LBA4511 Background: The preclinical activity of vascular endothelial growth factor (VEGF) blockade, the inverse relationship of plasma and urine VEGF levels and survival in mCRPC patients (pts), and encouraging phase II data testing estramustine and doceta ...
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Journal articleClin Cancer Res · June 1, 2010
PURPOSE: Given discrepancies between preclinical and clinical observations of mammalian target of rapamycin (mTOR) inhibition in prostate cancer, we sought to determine the pharmacodynamic effects of the mTOR/TORC1 inhibitor rapamycin in men with intermedi ...
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Journal articleJ Clin Oncol · May 1, 2010
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PURPOSE: Bevacizumab is an antibody that binds vascular endothelial growth factor and has activity in metastatic renal cell carcinoma (RCC). Interferon alfa (IFN-alpha) is the historic standard initial treatment for RCC. A prospective, randomized, phase II ...
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Journal articleCancer Immunol Immunother · May 2010
A concurrent multicenter, randomized Phase II trial employing a recombinant poxviral vaccine provided evidence of enhanced median overall survival (OS) (p = 0.0061) in patients with metastatic castrate-resistant prostate cancer (mCRPC). The study reported ...
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Journal articleSemin Oncol · April 2010
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Prognosis plays a vital role in patient management and decision making. The assessment of prognostic factors, which relate baseline clinical and experimental covariables to outcomes, is one of the major objectives in clinical research. Historically, the im ...
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Journal articleUrology · March 2010
OBJECTIVES: To define current standards of care for patients with prostate-specific antigen (PSA) failure after initial definitive local treatment of prostate cancer using Comprehensive, Observational, Multicenter, Prostate Adenocarcinoma Registry (COMPARE ...
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Journal articleAnn Oncol · February 2010
BACKGROUND: Docetaxel is associated with prolonged survival in castration-resistant prostate cancer (CRPC). Platinum compounds have modest but distinct single-agent activity. Carboplatin may have greatest potential for benefit when combined with taxanes. W ...
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Journal articleEur J Cancer · February 2010
AIMS OF THE STUDY: There are no known predictive factors of response in men receiving chemotherapy for metastatic castration-resistant prostate cancer (mCRPC). We investigated pre-treatment factors that predicted a 30% PSA decline (30% PSAD) within 3 month ...
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Journal articleClin Genitourin Cancer · October 2009
BACKGROUND: Arsenic trioxide is highly active in patients with acute promyelocytic leukemia. There are also preclinical data to suggest that this drug might be active in nonhematopoietic malignancies, and transitional cell carcinoma cell lines are particul ...
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Journal articleEuropean Urology Supplements · September 1, 2009
Context: Current and emerging treatment options for advanced prostate, renal, and bladder cancer were discussed at the annual Interactive Genitourinary Cancer Conference (IGUCC) held in February 2009 in connection with the 2nd World Congress on Controversi ...
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Journal articleJ Clin Oncol · June 20, 2009
LBA5019 Background: Bevacizumab (BEV) plus interferon alpha (IFN) demonstrated a superior objective response rate and progression-free survival (PFS) versus IFN monotherapy in renal cell carcinoma (RCC) patients in 2 phase III trials. The primary objective ...
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Journal articleJ Clin Oncol · June 10, 2009
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PURPOSE: To explore whether progression-free survival (PFS) or biochemical PFS can be used as a predictor of overall survival (OS) and to investigate the dependence between PFS and OS in men with castrate-resistant prostate cancer. PATIENTS AND METHODS: Da ...
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Journal articleAnn Oncol · June 2009
BACKGROUND: This phase II trial (Cancer and Leukemia Group B 90102) sought to determine the efficacy of cisplatin, standard infusion of gemcitabine and gefitinib in patients with advanced urothelial carcinoma. PATIENTS AND METHODS: Eligible patients had pr ...
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Journal articleJ Clin Oncol · May 20, 2009
5137 Background: Our aim was to develop and validate clinically applicable predictive factors for a >30% PSA decline 3 months following chemotherapy initiation, and to assess the performance of a risk-group based classification in predicting PSA declines a ...
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Journal articleJ Clin Oncol · May 20, 2009
5150 Background: It has been shown in chemotherapy naïve patients that PFS is a statistically significant predictor of OS. The main objectives of this analysis were to explore whether PFS at 3-months is a predictor of OS and to investigate the dependence b ...
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Journal articleJ Clin Oncol · May 20, 2009
5148 Background: First-line chemotherapy trials have reported that pain predicts OS in CRPC. We report relationships between OS and baseline pain -a major component of CRPC patient reported outcomes (PRO) -and pain at progression, for docetaxel pre-treated ...
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Journal articleJ Clin Oncol · May 20, 2009
5131 Background: HT may lower PSA, but it may also cause hot flashes and sexual dysfunction. OBS is not associated with hot flashes or lower testosterone production, but PSA may rise. Examining patient satisfaction with treatment decision making, treatment ...
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Journal articleJ Clin Oncol · May 20, 2009
LBA5019 The full, final text of this abstract will be available in Part II of the 2009 ASCO Annual Meeting Proceedings, distributed onsite at the Meeting on May 30, 2009, and as a supplement to the June 20, 2009, issue of the Journal of Clinical Oncology. ...
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Journal articleJ Natl Cancer Inst · February 18, 2009
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BACKGROUND: Multiple lines of evidence indicate that aspirin has an antineoplastic effect in the large bowel. Randomized clinical trials have been conducted to evaluate the effectiveness of aspirin for reducing the risk of colorectal adenomas. A meta-analy ...
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Journal articleProstate Cancer Prostatic Dis · 2009
The purpose of this study was to evaluate the relationship of baseline body mass index (BMI) and serum testosterone level with prostate cancer outcomes in men with castration-resistant metastatic prostate cancer (CRPC). BMI and testosterone levels were eva ...
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Journal articleAm J Epidemiol · December 1, 2008
Despite the belief that the etiology of and risk factors for rectal cancer might differ from those for colon cancer, relatively few studies have examined rectal cancer in relation to use of nonsteroidal antiinflammatory drugs (NSAIDs). The authors evaluate ...
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Journal articleCancer · December 1, 2008
BACKGROUND: A multicenter phase 2 trial was conducted to evaluate the safety and feasibility of radiotherapy after paclitaxel, estramustine phosphate, and carboplatin (TEC) plus androgen deprivation therapy in previously untreated unfavorable-risk localize ...
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Journal articleJ Clin Oncol · November 20, 2008
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PURPOSE: Bevacizumab is an antibody that binds to vascular endothelial growth factor (VEGF) and has activity in metastatic renal cell carcinoma (RCC). Interferon alfa (IFN) is a historic standard first-line treatment for RCC. A prospective, randomized phas ...
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Journal articleInt J Radiat Oncol Biol Phys · November 1, 2008
PURPOSE: Transperineal prostate brachytherapy (TPPB) can be used with external beam radiation therapy (EBRT) to provide a high-dose conformal boost to the prostate. The results of a multicenter Phase II trial assessing safety of combination of EBRT and TPP ...
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Journal articleAm Stat · November 1, 2008
We propose two innovations in statistical sampling for controls to enable better design of population-based case-control studies. The main innovation leads to novel solutions, without using weights, of the difficult and long-standing problem of selecting a ...
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Journal articleClin Genitourin Cancer · September 2008
PURPOSE: Docetaxel/estramustine is a known active regimen in hormonerefractory prostate cancer (HRPC). A phase II study was conducted to assess the safety and efficacy of docetaxel/estramustine combined with exisulind, an apoptotic antineoplastic drug. PAT ...
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Journal articleJ Clin Oncol · May 20, 2008
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PURPOSE: Pain from castration-refractory prostate cancer (CRPC) bone metastases is a common event. Although it is assumed that pain represents an adverse prognostic factor, this variable has not been extensively evaluated. The objective of this study was t ...
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Journal articleAnn Oncol · May 2008
BACKGROUND: There is no standard second-line treatment for advanced urothelial carcinoma (UC). Response rates to second-line chemotherapy for advanced UC are low and response duration is short. Bortezomib is a proteasome inhibitor with preclinical activity ...
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Journal articleInt J Radiat Oncol Biol Phys · May 1, 2008
PURPOSE: We prospectively determined whether the change in tumor volume (TV) during 2 months of neoadjuvant androgen suppression therapy (nAST) measured using conventional 1.5 Tesla endorectal magnetic resonance imaging (eMRI) was associated with the risk ...
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Journal articleUrology · May 2008
OBJECTIVES: It has been hypothesized that abnormal p53 protein expression is associated with a worse prognosis after radiation (RT) and androgen suppression therapy (AST). This hypothesis was prospectively tested. METHODS: Between May 1997 and April 2001, ...
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Journal articleAm J Epidemiol · May 1, 2008
Ovarian cancer is most frequently diagnosed in postmenopausal women; however, the strongest risk predictors, pregnancy and oral contraceptive use, occur in most women in their twenties and thirties. Relatively few studies have examined how reproductive ris ...
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Journal articleJ Clin Oncol · March 1, 2008
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PURPOSE: To update eligibility and outcome measures in trials that evaluate systemic treatment for patients with progressive prostate cancer and castrate levels of testosterone. METHODS: A committee of investigators experienced in conducting trials for pro ...
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Journal articleCancer Epidemiol Biomarkers Prev · March 2008
BACKGROUND: The objective of this study was to determine whether cyclin E overexpression defines an etiologically distinct subgroup of ovarian cancer. METHODS: We analyzed data from 538 epithelial ovarian cancer cases and 629 controls enrolled in a populat ...
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Journal articleClin Adv Hematol Oncol · February 2008
Prostate cancer is the most common cancer occurring among men in the United States. In spite of the disease's favorable prognosis, approximately 30,000 U.S. men develop incurable metastatic disease each year, making prostate cancer the second-leading cause ...
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Journal articleUrol Oncol · 2008
This article reviews the basic principles involved in the design, conduct, and analysis of Phase III treatment trials in prostate cancer. It begins with a brief review of Phase III trials, and subsequently describes the process of hypothesis testing and th ...
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Journal articleCancer Res · January 1, 2008
The association between obesity and colorectal neoplasia may be mediated by inflammation. Circulating levels of C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) are elevated in the obese. Adipose tissue can produc ...
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Journal articleJ Appl Stat · 2008
The statistical methodology under order restriction is very mathematical and complex. Thus, we provide a brief methodological background of order restricted likelihood ratio tests for the normal theory case for the basic understanding of its applications, ...
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Journal articleBJU Int · January 2008
OBJECTIVE: To conduct a phase II trial to determine the efficacy of cisplatin, a fixed dose-rate infusion of gemcitabine and gefitinib (an orally active epidermal growth factor receptor tyrosine kinase inhibitor) in patients with advanced urothelial carcin ...
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Journal articleCancer · October 1, 2007
BACKGROUND: Obesity has a variety of adverse health outcomes, but to the authors' knowledge, the effect of obesity on outcome in patients with advanced prostate cancer is not known. For this reason, the correlation between an elevated body mass index (BMI) ...
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Journal articleJ Clin Oncol · June 10, 2007
PURPOSE: To update the recommendations for the use of bisphosphonates in the prevention and treatment of bone disease in multiple myeloma. The Update Committee expanded the guideline to include a discussion of osteonecrosis of the jaw (ONJ). METHODS: For t ...
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Journal articleClin Cancer Res · April 1, 2007
PURPOSE: Adrenal androgens activate the androgen receptor and stimulate prostate cancer growth. Ketoconazole is used as an inhibitor of adrenal androgen synthesis in men with androgen-independent prostate cancer. This study analyzes the relationship betwee ...
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Journal articleCancer Epidemiol Biomarkers Prev · March 2007
INTRODUCTION: Androgens may play a role in the development of ovarian cancers. Two trinucleotide repeat polymorphisms have been described in exon 1 of the androgen receptor (AR) gene that may affect its function. Previous studies of ovarian cancer and AR r ...
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Journal articleJ Urol · February 2007
PURPOSE: A prior report suggested that radical prostatectomy may confer a survival advantage to patients with metastatic castration recurrent prostate cancer. Therefore, a pooled analysis of 9 trials performed by Cancer and Leukemia Group B was done to det ...
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Journal articleCancer · September 15, 2006
BACKGROUND: The objective of this study was to verify previous reports of activity with gemcitabine plus a fluoropyrimidine in patients with metastatic renal cell cancer in a multiinstitutional setting. METHODS: Eligibility included a Zubrod performance st ...
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Journal articleBiol Blood Marrow Transplant · July 2006
A graft-versus-tumor effect through nonmyeloablative allogeneic stem cell transplantation (N-SCT) in metastatic renal cell carcinoma (RCC) has been reported. An Intergroup phase II trial was undertaken to define further the feasibility, toxicity and effica ...
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Journal articleJ Urol · July 2006
PURPOSE: We determined if age is a prognostic factor of clinical outcomes, specifically overall survival, disease-free survival and progression-free survival in men with hormone refractory prostate cancer. MATERIALS AND METHODS: Data from 8 multi-instituti ...
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Journal articleJ Clin Oncol · June 20, 2006
4556 Background: Previous articles have reported that an elevated BMI was associated with an increased risk of biochemical failure in hormone sensitive patients. We asked the question as to whether an elevated BMI predicts for worst clinical outcomes, name ...
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Journal articleJ Clin Oncol · June 20, 2006
4620 Background: Comprehensive Multicenter Prostate Adenocarcinoma Registry (COMPARE) evaluates variations in initial prostate cancer (PCa) therapy according to race/ethnicity. Similar studies for prostate cancer patients with PSA failure following radiati ...
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Journal articleJ Clin Oncol · June 20, 2006
4573 Background: The treatment of patients with a rising PSA after definitive local therapy is controversial. Patients are reluctant to undergo androgen suppression due to side effects and interest focuses on the timing and intensity of additional therapy. ...
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Journal articleJ Clin Oncol · June 20, 2006
4582 Background: No standard 2(nd)-line chemotherapy exists for metastatic TCC. Response rates to 2(nd)-line chemotherapy for advanced TCC are low and response duration tends to be short. Bortezomib is a proteasome inhibitor with preclinical activity again ...
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Journal articleJ Clin Oncol · June 20, 2006
4578 Background: The epidermal growth factor receptor (EGFR) is frequently expressed in UC and carries a poor prognosis. C has preclinical synergy with gefitinib and GC plus gefitinib was safe in lung cancer patients (pts). In a UC trial of GC using fixed ...
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Journal articleClin Cancer Res · June 1, 2006
The Cancer and Leukemia Group B Genitourinary (GU) Committee has developed a multidisciplinary approach to treatment of GU cancer and has integrated correlative science research into the major research themes of the GU Committee. In localized prostate canc ...
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Journal articleClin Genitourin Cancer · March 2006
BACKGROUND: Scatter factor, also known as hepatocyte growth factor (SF/HGF), is a polypeptide growth factor thought to be important in the growth and spread of prostatic carcinoma. PATIENTS AND METHODS: Scatter factor/HGF levels in pretreatment plasma samp ...
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Journal articleEpidemiology · January 2006
BACKGROUND: Previous epidemiologic research suggests that analgesic use may reduce the risk of ovarian cancer, although results are not consistent. METHODS: In a population-based, case-control study, we analyzed data from 586 ovarian cancer cases and 627 m ...
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Journal articleClin Cancer Res · November 15, 2005
PURPOSE: Analyzing metastatic prostate cancer tissue is of considerable importance in evaluating new targeted agents, yet acquiring such tissue presents a challenge due to the predominance of bone metastases. We assessed factors predicting a successful tum ...
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Journal articleClin Cancer Res · November 15, 2005
PURPOSE: Primary central nervous system (CNS) tumors represent a diverse group of tumor types with heterogeneous molecular mechanisms that underlie their formation and maintenance. CNS tumors depend on angiogenesis and often display increased activity of E ...
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Journal articleCancer Causes Control · October 2005
Previous studies of anthropometric factors and ovarian cancer risk have been inconsistent and none have evaluated the association among African-American women. Data from a population-based, case-control study of 593 cases and 628 controls were used to eval ...
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Journal articleUrology · August 2005
OBJECTIVES: To test the hypothesis that chromogranin A (CgA) levels are prognostic in patients with metastatic hormone-refractory prostate cancer (HRPC). The extent of neuroendocrine differentiation in prostate cancer correlates with aggressive disease and ...
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Journal articleAm J Obstet Gynecol · July 2005
OBJECTIVE: The objective of this study was to determine if use of menopausal hormones was associated with ovarian cancer and if risk varied by type of hormone used. STUDY DESIGN: Data from a population-based, case-control study of ovarian cancer in North C ...
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Journal articleGynecol Oncol · May 2005
OBJECTIVES: It has been suggested that the 6A allele of the type I TGFbeta receptor (TGFbetaR1) polyalanine repeat tract polymorphism may increase susceptibility to various types of cancer including ovarian cancer. METHODS: The TGFbetaR1 polyalanine polymo ...
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Journal articleObstet Gynecol · April 2005
OBJECTIVE: It has been hypothesized that antidepressants may enhance cancer growth. Previous studies of antidepressant use and ovarian cancer have been inconsistent and have been limited in their ability to examine the association with selective serotonin ...
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Journal articleClin Cancer Res · March 1, 2005
UNLABELLED: Interleukin-6 signaling can activate androgen receptor in a ligand-independent manner and may play an important functional role in hormone-refractory prostate cancer (HRCaP) progression and patient survival. Plasma and serum IL-6 levels have be ...
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Journal articleCancer Epidemiol Biomarkers Prev · December 2004
OBJECTIVE: The progestagenic milieu of pregnancy and oral contraceptive use is protective against epithelial ovarian cancer. A functional single nucleotide polymorphism in the promoter of the progesterone receptor (+331A) alters the relative abundance of t ...
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Journal articleUrology · August 2004
OBJECTIVES: To determine whether blacks with hormone-refractory prostate cancer have shorter survival compared with whites with the same disease. METHODS: Data from eight multicenter trials (four Phase II and four randomized Phase III studies) conducted by ...
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Journal articleJ Clin Oncol · July 15, 2004
9613 Background: Scatter factor, also known as hepatocyte growth factor, (SF/HGF) is a polypeptide growth factor thought to be important in prostate cancer growth and spread. We have previously shown circulating SF/HGF levels were related to stage and Glea ...
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Journal articleJ Clin Oncol · July 15, 2004
4515 Background: Low but consistent responses have been observed in mRCC patients (pts) treated with 5FU, G, or the combination. A phase II multi-center study to assess the activity of G plus the oral 5FU analog C was thus conducted. METHODS: Pts with adeq ...
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Journal articleJ Clin Oncol · July 15, 2004
4540 Background: The GC combination has become a standard of care for advanced TCC. The epidermal growth factor receptor (EGFR) is frequently expressed in TCC and is associated with a poor prognosis. While gefitinib alone has minimal activity in advanced T ...
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Journal articleJ Clin Oncol · July 15, 2004
4506 Background: A prostate-specific antigen (PSA) decline of > 50% is associated with a prolongation in survival for patients with metastatic hormone refractory prostate cancer (HRPC). However, whether any reduction in the rate of PSA rise following chemo ...
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Journal articleJ Clin Oncol · July 15, 2004
4573 Background: To determine if African-American (AA) men have different progression-free survival (PFS) than non-African-American (non-AA) patients with hormone refractory prostate cancer (HRPC). METHODS: Data from eight multicenter trials (four phase II ...
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Journal articleJ Clin Oncol · July 15, 2004
4557 Background: The extent of neuroendocrine differentiation in prostate cancer correlates with aggressive disease and progression to hormone refractory prostate cancer (HRPC). Elevated plasma chromogranin A (CgA) levels in prostate cancer patients may re ...
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Journal articleJ Clin Oncol · July 15, 2004
4559 Background: The treatment of patients with elevated PSA after definitive local therapy continues to be elusive. Many patients are reluctant to undergo androgen suppression therapy due to long-term effects. Enthusiasm has been seen for peripheral andro ...
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Journal articleJ Clin Oncol · July 15, 2004
4558 Background Adrenal androgens can activate the androgen receptor and stimulate prostate cancer growth. Because of its adrenolytic properties, ketoconazole (keto) is active as a secondary hormonal therapy in men with androgen-independent prostate cancer ...
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Journal articleCancer · July 15, 2004
BACKGROUND: The authors undertook a multiinstitutional Phase II cooperative group study to examine the potential of oral fish oil fatty acid supplements administered at high doses to slow weight loss and to improve quality of life in patients with malignan ...
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Journal articleStat Med · June 15, 2004
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Ahnn and Anderson derived sample size formulae for unstratified and stratified designs assuming equal allocation of subjects to three or more treatment groups. We generalize the sample size formulae to allow for unequal allocation. In addition, we define t ...
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Journal articleClin Cancer Res · April 15, 2004
The majority of sporadic clear cell renal cell carcinoma (RCC) is characterized by loss of heterozygosity of the von Hippel-Lindau (VHL) tumor suppressor gene and somatic inactivation of the remaining VHL allele. The resulting VHL gene silencing leads to i ...
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Journal articleJ Clin Oncol · March 15, 2004
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PURPOSE: Antiandrogen withdrawal (AAWD) results in a prostate-specific antigen (PSA) response (decline in PSA level of > or =50%) in 15% to 30% of androgen-independent prostate cancer (AiPCa) patients. Thereafter, adrenal androgen ablation with agents such ...
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Journal articleJ Clin Oncol · February 1, 2004
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PURPOSE: To define methodology to show clinical benefit for patients in the state of a rising prostate-specific antigen (PSA). HYPOTHESIS: A clinical states framework was used to address the hypothesis that definitive phase III trials could not be conducte ...
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Journal articleUrol Oncol · 2004
BACKGROUND: Institution of early hormone therapy in the PSA era coupled with demonstration of clinical benefit with chemotherapy in hormone refractory prostate cancer (HRPC) and acceptance of PSA decline as a surrogate for response has resulted in introduc ...
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Journal articleCancer · December 15, 2003
BACKGROUND: The authors determined the safety and efficacy of estramustine, docetaxel, and carboplatin with granulocyte-colony-stimulating factor (G-CSF) support in patients with hormone-refractory prostate carcinoma. METHODS: In the current multicenter, c ...
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Journal articleJ Clin Oncol · July 15, 2003
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PURPOSE: The mechanisms responsible for prostate cancer androgen independence are diverse. Mutations of the androgen receptor (AR) gene that broaden ligand specificity have been implicated. Bone marrow specimens containing prostate tumor were obtained from ...
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Journal articleJ Biopharm Stat · May 2003
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The objective of this study was to investigate the influence of the number and timing of a binary time-dependent covariate on the bias using the last-observation carried forward in the proportional hazards model. Under various assumptions of censoring rate ...
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Journal articleCancer · April 15, 2003
The Cancer and Leukemia Group B (CALGB) Genitourinary Committee has developed a broad range of clinical trials across most stages of bladder cancer. Recurrence rates of superficial bladder cancer after transurethral resection range from 50-70%. Although ad ...
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Journal articleJ Clin Oncol · April 1, 2003
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PURPOSE: To develop and validate a model that can be used to predict the overall survival probability among metastatic hormone-refractory prostate cancer patients (HRPC). PATIENTS AND METHODS: Data from six Cancer and Leukemia Group B protocols that enroll ...
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Journal articleN Engl J Med · March 6, 2003
BACKGROUND: Experimental studies in animals and observational studies in humans suggest that regular aspirin use may decrease the risk of colorectal adenomas, the precursors to most colorectal cancers. METHODS: We conducted a randomized, double-blind trial ...
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Journal articleJ Clin Oncol · February 1, 2003
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PURPOSE: To determine whether reverse transcriptase polymerase chain reaction (RT-PCR) to detect circulating prostate-specific antigen (PSA)-positive cells is a prognostic factor for survival in hormone refractory prostate cancer and to validate the progno ...
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Journal articleCancer Causes Control · November 2002
OBJECTIVE: To compare two methods for calculating lifetime ovulatory cycles (LOC) to determine if more detailed menstrual cycle information results in stronger associations with ovarian cancer. METHODS: Using data from 232 cases and 242 controls in a popul ...
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Journal articleJ Clin Oncol · August 15, 2002
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PURPOSE: To test the hypothesis that the efficacy and toxicity of suramin in the treatment of patients with hormone-refractory prostate cancer was dose dependent. PATIENTS AND METHODS: Patients were randomized with equal probability to receive low-, interm ...
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Journal articleAm J Prev Med · May 2002
BACKGROUND: Most women are not getting regular mammograms, and there is confusion about several mammography-related issues, including the age at which women should begin screening. Numerous groups have called for informed decision making about mammography, ...
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Journal articleCancer · February 1, 2002
BACKGROUND: Mitoxantrone in combination with a low-dose glucocorticoid has been shown to produce more favorable outcomes among men with hormone-refractory prostate carcinoma than glucocorticoid alone. Therefore, the authors sought to determine the safety a ...
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Journal articleProstate Journal · September 27, 2001
Objectives: To explore whether serum prostate specific antigen (PSA) decline can be used as a prognostic factor for survival among patients with androgen-independent prostate cancer (AIPC) who are treated with a secondary hormonal therapy, megestrol acetat ...
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Journal articleArch Intern Med · July 9, 2001
BACKGROUND: Chemoprevention is the use of pharmacologic or natural agents to inhibit the development of cancer. Tamoxifen citrate is the only approved chemopreventive agent for breast cancer. We sought to determine whether women are interested in taking a ...
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Journal articleClin Cancer Res · July 2001
PURPOSE: Plasma vascular endothelial growth factor (VEGF) levels are significantly elevated in patients with hormone-refractory prostate cancer (HRPC) compared with patients with localized disease and have been associated with disease progression in other ...
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Journal articleObstet Gynecol · July 2001
OBJECTIVE: To investigate the relationship between age at natural menopause and risk of developing epithelial ovarian cancer. METHODS: Using data from six population-based, case-control studies conducted in the United States, age at natural menopause among ...
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Journal articleJ Clin Oncol · June 15, 2001
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PURPOSE: To evaluate the prognostic significance of reverse transcriptase polymerase chain reaction (RT-PCR) detection of prostate-specific antigen (PSA) mRNA in the blood of men with hormone-refractory prostate cancer (HRPC). PATIENTS AND METHODS: Periphe ...
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Journal articlePatient Educ Couns · June 2001
BACKGROUND: We assessed the short-term impact of decision-making interventions on knowledge about mammography, accuracy of women's breast cancer risk perceptions, attitudes toward mammography, satisfaction with decisions, and mammography use since the inte ...
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Journal articleJ Clin Oncol · May 1, 2001
PURPOSE: To investigate the combination of docetaxel, estramustine (EM), and low-dose hydrocortisone in men with hormone-refractory prostate cancer (HRPC). PATIENTS AND METHODS: Combinations of EM with other antimitotic agents such as docetaxel are synergi ...
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Journal articleCancer Res · March 15, 2001
Better prognostic markers are needed for hormone-refractory prostate cancer (HRPC) patients. No single biochemical or clinical parameter can reliably predict patient response to therapy or rapidity of disease progression. Peptide factors involved in major ...
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Journal articleCancer · March 1, 2001
BACKGROUND: The growing use of vitamins, minerals, and nutritional supplements has the potential to influence the design and interpretation of randomized controlled trials of chemopreventive agents. To the extent that these complementary agents are effecti ...
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Journal articleCancer · March 1, 2001
BACKGROUND: Cervical carcinoma is the leading cause of cancer-related death among women in the developing world. The absence of cervical screening in Vietnam and other developing countries is due in large part to the perceived expense of implementing Papan ...
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Journal articleJ Fam Pract · December 2000
BACKGROUND: Even organizations with differing mammography recommendations agree that regular repeat screening is required for mortality reduction. However, most studies have focused on one-time screening rather than repeat adherence. We compare trends in b ...
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Journal articleCancer Epidemiol Biomarkers Prev · September 2000
When trying to predict breast cancer screening, it may be important to understand the relationships between perceived breast cancer risks and worries about getting breast cancer. This study examines the extent to which women's worries about breast cancer c ...
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Journal articleInt J Tuberc Lung Dis · August 2000
SETTING: Gaborone and Francistown, Botswana, where surveillance data in the 1997 Electronic Tuberculosis (TB) Register suggest that 39% of pulmonary TB patients did not have pre-treatment sputum smear microscopy performed. OBJECTIVE: To determine the propo ...
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Journal articleCancer · February 15, 2000
BACKGROUND: Megestrol acetate (MA) is a synthetic progestin with reported activity in both hormone-sensitive and hormone-refractory prostate carcinoma (HRPC). Based on limited data suggesting a possible dose-response effect, a trial was initiated to compar ...
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Journal articleObstet Gynecol · January 2000
OBJECTIVE: To investigate the clinical prognostic factors that influence ovarian cancer survival in women with early-onset epithelial ovarian cancer using population-based data. METHODS: Subjects in the current study were from a population-based series of ...
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Journal articleJ Health Commun · 2000
This two-by-two factorially designed study evaluate approaches for communicating feedback of lung cancer susceptibility to smokers as a method for motivating smoking cessation. The study factors were: method of communicating feedback (by mail with telephon ...
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Journal articlePsychooncology · 2000
Few studies have examined the impact of abnormal mammograms on subsequent mammography screening and psychosocial outcomes specifically as a function of the length of time that has passed since the abnormal test result. This cross-sectional report compared ...
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Journal articleAm J Prev Med · January 2000
BACKGROUND: Telephone counseling and tailored print communications have emerged as promising methods for promoting mammography screening. However, there has been little research testing, within the same randomized field trial, of the efficacy of these two ...
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Journal articleClin Cancer Res · December 1999
The purpose of this study was to determine the maximum tolerated dose and dose-limiting toxicities of fish oil fatty acid capsules containing omega-3 fatty acid ethyl esters. Twenty-two patients with neoplastic disease not amenable to curative therapy who ...
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Journal articleSeminars in Oncology · December 1, 1999
Combinations of estramustine with other antimitotic agents, such as docetaxel (Taxotere; Rhone-Poulenc Rorer, Collegeville, PA), are synergistic in vitro and show significant clinical activity in hormone-refractory prostate cancer (HRPC). We have studied i ...
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Journal articleJ Clin Oncol · November 1999
PURPOSE: Prostate-specific antigen (PSA) is a glycoprotein that is found almost exclusively in normal and neoplastic prostate cells. For patients with metastatic disease, changes in PSA will often antedate changes in bone scan. Furthermore, many but not al ...
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Journal articleSemin Oncol · October 1999
Combinations of estramustine with other antimitotic agents, such as docetaxel (Taxotere; Rhône-Poulenc Rorer, Collegeville, PA), are synergistic in vitro and show significant clinical activity in hormone-refractory prostate cancer (HRPC). We have studied i ...
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Journal articleJ Clin Oncol · August 1999
PURPOSE: Approximately 40,000 men die each year of hormone-refractory prostate cancer (HRPC). The results of treatment with chemotherapy have been disappointing to date, with no trials demonstrating a benefit with respect to survival duration. Corticostero ...
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Journal articleJ Womens Health Gend Based Med · May 1999
Over the last decade, there has been significant controversy about the schedule on which women, particularly women in their 40s, should have mammograms. The purpose of the analysis reported here was to assess whether women in their 40s and 50s were confuse ...
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Journal articleArch Pathol Lab Med · April 1999
Low malignant potential tumors of the ovary are believed to behave in a manner intermediate to their benign and malignant counterparts. However, recent evidence suggests these lesions are in fact benign and better classified as proliferative. Based on our ...
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Journal articleBiomarkers · 1999
Women who use the 'hot wire' and 'cool rod' machines to wrap meat in supermarkets are potentially exposed to low levels of benzene and polycyclic aromatic hydrocarbons present in fumes emitted during the thermal decomposition of the plastic used to wrap me ...
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Journal articleJ Natl Med Assoc · June 1998
Although cardiac transplantation offers prolonged survival and improved quality of life to patients with end-stage heart failure, many patients with idiopathic dilated cardiomyopathy do not undergo this procedure. Possible barriers to cardiac transplantati ...
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Journal articleJ Androl · 1997
Cancer of the prostate is the leading cancer among American men, yet few risk factors have been established. Hair growth and development are influenced by androgens, and it has long been suspected that prostate cancer also is responsive to these hormones. ...
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Journal articleSeminars in Oncology · August 27, 1996
In a randomized, phase II trial, we evaluated the effectiveness of continued chemotherapy with epirubicin/ifosfamide versus unmaintained treatment interruption in advanced metastatic breast cancer. Three hundred fifty-seven patients were enrolled and 331 w ...
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Journal articleCancer Epidemiol Biomarkers Prev · August 1996
Many bone marrow cytogenetic abnormalities in acute myelogenous leukemia (AML) are tumor specific, clonal, nonrandom, and related to prognosis; it has been hypothesized that they may be markers of exposure to etiological agents. A previous report from our ...
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Journal articleSemin Oncol · June 1996
In a randomized, phase II trial, we evaluated the effectiveness of continued chemotherapy with epirubicin/ ifosfamide versus unmaintained treatment interruption in advanced metastatic breast cancer. Three hundred fifty-seven patients were enrolled and 331 ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 1996
Cervical cancer is the second leading cause of death from cancer in women worldwide, and recent epidemiological studies have strongly implicated the sexually transmitted human papillomavirus (HPV) as a causative agent. The ability of high-risk HPVs to cont ...
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Journal articleCancer Res · July 1, 1995
Using an ultrasensitive assay involving the PCR, we have examined the frequency of a follicular lymphoma-associated translocation in peripheral blood from 132 individuals, most of whom were healthy blood donors. This translocation occurs between the bcl-2 ...
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Journal articleJ Natl Cancer Inst · April 20, 1994
BACKGROUND: Gail et al. developed a statistical model for estimating the risk of developing breast cancer in white women screened annually with mammography. This model is used for counseling and for admission to clinical trials. PURPOSE: We evaluated the m ...
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Journal articleBreast Cancer Res Treat · November 1993
A person's perception of the risk of, or susceptibility to, developing a disease is believed to be an important determinant of health-related behavior, yet little is known about the determinants of perceived risk. Knowledge of these correlates may be usefu ...
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Journal articleAnn Plast Surg · July 1993
OBJECTIVE: To test the hypothesis that there is a higher incidence of autoimmune disorders in patients who have undergone breast reconstruction with silicone gel implants rather than autogenous tissue. DESIGN: Prospective study. SETTING: Tertiary referral ...
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Journal articleSouth Med J · April 1993
The 1987 Texas Breast Screening Project was designed to educate women about the benefits and safety of mammographic screening. During the 2-week promotion, 109,339 women called toll-free telephone numbers to inquire about the program, and 64,459 (65%) of 9 ...
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Journal articleSouth Med J · April 1993
More than 36,000 of the 64,459 women who had $50 mammograms after a media campaign in 1987 completed a demographic and risk factor questionnaire. The screened women were young and well educated with high annual incomes. Only 32% had had mammograms before 1 ...
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Journal articleCancer Epidemiol Biomarkers Prev · 1993
Variability in DNA repair capability may be a determinant of interindividual difference in susceptibility to carcinogenic exposures. A cytogenetic assay which quantifies chromosomal breakage induced by in vitro exposure to a clastogen provides an indirect ...
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Journal articleCancer Epidemiol Biomarkers Prev · 1993
This study evaluated the relationship between family history of cancer and bleomycin-induced mutagen sensitivity. The study included 108 patients who registered at The University of Texas M.D. Anderson Cancer Center from June 1987 to June 1991 with histolo ...
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Journal articleCancer Detect Prev · 1993
We compared health behavior and attitudes of older and younger women toward breast cancer screening by using data from the 1987 Texas Breast Screening Project, a community-based, low-cost screening program sponsored by the American Cancer Society, Texas Di ...
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Journal articleCancer Causes Control · July 1992
There is a paucity of data on familial patterns of breast cancer among minority populations. This study compared the frequency of cancer in 1,095 first-degree relatives of 50 White, 46 Black, and 49 Hispanic breast-cancer patients referred to The Universit ...
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Journal articleInt J Epidemiol · June 1992
We compared the self-reported illnesses (heart disease, back pain, rheumatoid arthritis, hypertension, and pulmonary disease) and smoking histories of 100 cases and 100 controls matched for age and sex with reports of this information from proxy informants ...
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Journal articleCancer Epidemiol Biomarkers Prev · 1992
A multivariate model to assess breast cancer risk was developed by Gail et al. (M. H. Gail, L. A. Brinton, D. B. Byar, D. K. Corle, S. B. Green, C. Schairer, and J. J. Mulvihill, J. Natl. Cancer Inst., 81: 1879-1886, 1989) based on data analysis of the Bre ...
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Journal articleCancer · January 1, 1992
Data from a multiethnic sample of women participating in the American Cancer Society 1987 Texas Breast Screening Project was used to compare attitudes and behaviors related to breast cancer screening for whites, blacks, and Hispanics. In general, similar p ...
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Journal articleJ Epidemiol Community Health · December 1989
As a result of 12 years of civil war in Lebanon, it has been impossible to collect regular morbidity information at the primary level. This report is based on a case-control analysis of various health problems as identified from a population based health s ...
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Journal articleJ Epidemiol Community Health · June 1987
In this paper we consider the appropriateness of education, compared to occupation and income, as a measure of social class for use in health-related studies in developing societies in transition. Three evaluation criteria were used, namely, the feasibilit ...
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Journal articleAm J Med Genet · October 1986
We interviewed 100 women who had married a relative and 100 other women of the same age, religious affiliation, and socioeconomic status, but who were not related to their husbands. Both women were selected from a hospital setting in Beirut, and were quest ...
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