Randomized Phase III Trial of Docetaxel Versus Vinorelbine or Ifosfamide in Patients With Advanced Non–Small-Cell Lung Cancer Previously Treated With Platinum-Containing Chemotherapy Regimens

Author:

Fossella Frank V.1,DeVore Russell1,Kerr Ronald N.1,Crawford Jeffrey1,Natale Ronald R.1,Dunphy Frank1,Kalman Leonard1,Miller Vincent1,Lee Jin Soo1,Moore Melvin1,Gandara David1,Karp Daniel1,Vokes Everett1,Kris Mark1,Kim Yong1,Gamza Francis1,Hammershaimb Luz1,

Affiliation:

1. From the TAX 320 Non–Small-Cell Lung Cancer Study Group. See Appendix for complete list of affiliations.

Abstract

PURPOSE: To confirm the promising phase II results of docetaxel monotherapy, this phase III trial was conducted of chemotherapy for patients with advanced non–small-cell lung cancer (NSCLC) who had previously failed platinum-containing chemotherapy. PATIENTS AND METHODS: A total of 373 patients were randomized to receive either docetaxel 100 mg/m2 (D100) or 75 mg/m2 (D75) versus a control regimen of vinorelbine or ifosfamide (V/I). The three treatment groups were well-balanced for key patient characteristics. RESULTS: Overall response rates were 10.8% with D100 and 6.7% with D75, each significantly higher than the 0.8% response with V/I (P = .001 and P = .036, respectively). Patients who received docetaxel had a longer time to progression (P = .046, by log-rank test) and a greater progression-free survival at 26 weeks (P = .005, by χ2 test). Although overall survival was not significantly different between the three groups, the 1-year survival was significantly greater with D75 than with the control treatment (32% v 19%; P = .025, by χ2 test). Prior exposure to paclitaxel did not decrease the likelihood of response to docetaxel, nor did it impact survival. There was a trend toward greater efficacy in patients whose disease was platinum-resistant rather than platinum-refractory and in patients with performance status of 0 or 1 versus 2. Toxicity was greatest with D100, but the D75 arm was well-tolerated. CONCLUSION: This first randomized trial in this setting demonstrates that D75 every 3 weeks can offer clinically meaningful benefit to patients with advanced NSCLC whose disease has relapsed or progressed after platinum-based chemotherapy.

Publisher

American Society of Clinical Oncology (ASCO)

Subject

Cancer Research,Oncology

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