Health-related quality of life impact of bevacizumab when combined with irinotecan, 5-fluorouracil, and leucovorin or 5-fluorouracil and leucovorin for metastatic colorectal cancer.
PURPOSE: To compare the time to deterioration in health-related quality of life (HRQoL) in patients with previously untreated metastatic colorectal cancer receiving a 5-fluorouracil (5-FU)-based chemotherapy regimen with or without the addition of bevacizumab (BV) in two randomized, placebo-controlled studies. PATIENTS AND METHODS: Prespecified HRQoL endpoints in the phase II (Study 2192) and phase III (Study 2107) studies were time to deterioration in HRQoL, measured by the Functional Assessment of Cancer Therapy-Colorectal (FACT-C) Colorectal Cancer Subscale (CCS), Trial Outcome Index (TOI-C), and FACT-C total score. Time to deterioration in HRQoL was evaluated for patients with baseline and postbaseline assessments, using the stratified log-rank test. RESULTS: In the pivotal phase III trial, HRQoL baseline and postbaseline CCS scores were available for 127 patients receiving irinotecan, 5-FU, and leucovorin (LV) (IFL) and 122 patients receiving IFL plus BV. The time to deterioration in HRQoL did not differ significantly between treatment groups as measured by the CCS, TOI-C, or FACT-C total score. In the phase II study, baseline and postbaseline CCS scores were available for 77 and 89 patients receiving 5-FU and LV and 5-FU and LV plus BV, respectively. In that study, the time to deterioration in HRQoL was similar between groups as measured by the CCS and TOI-C scores, but was significantly longer in the 5-FU and LV plus BV arm than in the 5-FU and LV plus placebo arm for the FACT-C total score. CONCLUSIONS: When added to 5-FU chemotherapy, BV significantly prolonged overall survival and progression-free survival without compromising HRQoL.
Kabbinavar, FF; Wallace, JF; Holmgren, E; Yi, J; Cella, D; Yost, KJ; Hurwitz, HI
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