Overall Survival Analysis From a Randomized Phase II Study of Axitinib With or Without Dose Titration in First-Line Metastatic Renal Cell Carcinoma

Brian I. Rini, Yoshihiko Tomita, Bohuslav Melichar, Takeshi Ueda, Viktor Grünwald, Mayer N. Fishman, Hirotsugu Uemura, Mototsugu Oya, Angel H. Bair, Glen I. Andrews, Brad Rosbrook, Eric Jonasch

研究成果: Article査読

33 被引用数 (Scopus)

抄録

In a randomized phase II trial in treatment-naive patients with metastatic renal cell carcinoma, axitinib dose titration was associated with significantly higher objective response rate compared with placebo dose titration. In this updated analysis, median overall survival was numerically longer with axitinib versus placebo titration (42.7 vs. 30.4 months). No new safety concerns were observed after long-term axitinib treatment. Background In a randomized phase II trial in metastatic renal cell carcinoma (mRCC), objective response rate was significantly higher with axitinib versus placebo titration (54% vs. 34%; 1-sided P = .019). Patients and Methods Treatment-naive patients with mRCC (n = 213) received axitinib 5 mg twice per day (b.i.d.) for 4 weeks. Patients meeting dose titration criteria were randomized to receive axitinib 5 mg b.i.d. with axitinib or placebo titration (n = 56 each); 91 patients ineligible for randomization continued axitinib 5 mg b.i.d.; 10 discontinued before randomization. Results Median overall survival (95% confidence interval [CI]) was 42.7 months (24.7-not estimable) with axitinib titration versus 30.4 months (23.7-45.0) with placebo titration (stratified hazard ratio, 0.785; 95% CI, 0.485-1.272; 1-sided P = .162), and 41.6 months (95% CI, 33.0-not estimable) in nonrandomized patients. Safety data were consistent with previous reports. Conclusion Median overall survival was numerically longer in patients with first-line mRCC who received axitinib versus placebo titration. No new safety signal was observed after long-term axitinib treatment in first-line mRCC.

本文言語English
ページ(範囲)499-503
ページ数5
ジャーナルClinical Genitourinary Cancer
14
6
DOI
出版ステータスPublished - 2016 12 1

ASJC Scopus subject areas

  • 腫瘍学
  • 泌尿器学

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