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A phase 2 study of estramustine, docetaxel, and bevacizumab in men with castrate-resistant prostate cancer: results from Cancer and Leukemia Group B Study 90006.

Publication ,  Journal Article
Picus, J; Halabi, S; Kelly, WK; Vogelzang, NJ; Whang, YE; Kaplan, EB; Stadler, WM; Small, EJ; Cancer and Leukemia Group B,
Published in: Cancer
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 in patients with CRPC. METHODS: This cooperative group trial enrolled men with CRPC. Patients received oral estramustine 280 mg 3 times daily on Days 1 through 5 of every cycle plus 70 mg/m² docetaxel and 15 mg/kg bevacizumab on Day 2 every 3 weeks. Prostate-specific antigen (PSA) values were monitored every cycle, and imaging studies were obtained every 3 cycles. The primary endpoint was progression-free survival (PFS), and the secondary objectives were safety, PSA decline, measurable disease response, and overall survival. RESULTS: Seventy-nine patients were enrolled; and 77 patients received a median of 8 cycles and were evaluable. A 50% PSA decline was observed in 58 patients (75%). Twenty-three of 39 patients with measurable disease had a partial response (59%). The median PFS was 8 months, and the overall median survival was 24 months. Neutropenia without fever (69%), fatigue (25%), and thrombosis/emboli (9%) were the most common severe toxicities. Twenty-four of 77 patients were removed from protocol treatment because of disease progression, 35 of 77 patients were removed because of a physician or patient decision, and 15 patients were removed secondary to toxicity. CONCLUSIONS: The combination of docetaxel, estramustine, and bevacizumab was tolerable but complicated by toxicity. Although the endpoint of PFS did not meet the desired level, encouraging antitumor activity and overall survival were observed. Further phase 3 evaluation of the role of bevacizumab in CRPC is ongoing.

Duke Scholars

Published In

Cancer

DOI

ISSN

0008-543X

Publication Date

February 1, 2011

Volume

117

Issue

3

Start / End Page

526 / 533

Location

United States

Related Subject Headings

  • Vascular Endothelial Growth Factor A
  • Taxoids
  • Prostatic Neoplasms
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Humans
  • Estramustine
  • Docetaxel
  • Disease-Free Survival
 

Citation

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Picus, J., Halabi, S., Kelly, W. K., Vogelzang, N. J., Whang, Y. E., Kaplan, E. B., … Cancer and Leukemia Group B, . (2011). A phase 2 study of estramustine, docetaxel, and bevacizumab in men with castrate-resistant prostate cancer: results from Cancer and Leukemia Group B Study 90006. Cancer, 117(3), 526–533. https://doi.org/10.1002/cncr.25421
Picus, Joel, Susan Halabi, W Kevin Kelly, Nicholas J. Vogelzang, Young E. Whang, Ellen B. Kaplan, Walter M. Stadler, Eric J. Small, and Eric J. Cancer and Leukemia Group B. “A phase 2 study of estramustine, docetaxel, and bevacizumab in men with castrate-resistant prostate cancer: results from Cancer and Leukemia Group B Study 90006.Cancer 117, no. 3 (February 1, 2011): 526–33. https://doi.org/10.1002/cncr.25421.
Picus, Joel, et al. “A phase 2 study of estramustine, docetaxel, and bevacizumab in men with castrate-resistant prostate cancer: results from Cancer and Leukemia Group B Study 90006.Cancer, vol. 117, no. 3, Feb. 2011, pp. 526–33. Pubmed, doi:10.1002/cncr.25421.
Picus J, Halabi S, Kelly WK, Vogelzang NJ, Whang YE, Kaplan EB, Stadler WM, Small EJ, Cancer and Leukemia Group B. A phase 2 study of estramustine, docetaxel, and bevacizumab in men with castrate-resistant prostate cancer: results from Cancer and Leukemia Group B Study 90006. Cancer. 2011 Feb 1;117(3):526–533.
Journal cover image

Published In

Cancer

DOI

ISSN

0008-543X

Publication Date

February 1, 2011

Volume

117

Issue

3

Start / End Page

526 / 533

Location

United States

Related Subject Headings

  • Vascular Endothelial Growth Factor A
  • Taxoids
  • Prostatic Neoplasms
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Humans
  • Estramustine
  • Docetaxel
  • Disease-Free Survival