Annals of Oncology 15:410-418, 2004
© 2004 European Society for Medical Oncology
Original Paper |
Randomized phase II trial of gemcitabine plus irinotecan or docetaxel in stage IIIB or stage IV NSCLC
Received 24 July 2003; revised 27 October 2003; accepted 19 December 2003Background:
To evaluate the activity and tolerability of gemcitabine plus irinotecan or docetaxel as first-line chemotherapy for advanced non-small cell lung cancer (NSCLC).
Patients and methods:
Eligible patients with chemotherapy-naïve stage IIIB or IV NSCLC were randomized to receive gemcitabine 1000 mg/m2 on days 1 and 8, plus either irinotecan 100 mg/m2 or docetaxel 40 mg/m2 on days 1 and 8. Treatment was administered every 3 weeks.
Results:
Of the 80 enrolled patients with stage IIIB or IV NSCLC, 78 were evaluable for activity and safety. Overall response rates, consisting of partial responses, were 12.8% [95% confidence interval (CI) 4% to 35%] for gemcitabineirinotecan and 23.1% (95% CI 10% to 42%) for gemcitabinedocetaxel. Median overall survival was 7.95 months (95% CI 5.210.2) and 12.8 months (95% CI 7.917.1) for gemcitabineirinotecan and gemcitabinedocetaxel, respectively. The corresponding estimated 1-year survivals were 23% and 51%, respectively. The 2-year survival rate in arm A (gemcitabineirinotecan) is not currently estimable. The 2-year survival rate for arm B (gemcitabinedocetaxel) is 22% (95% CI 6% to 37%). Both combinations were well tolerated; the most common hematological toxicity was neutropenia, which occurred in 26% of patients in each treatment arm.
Conclusions:
These results suggest that gemcitabine plus docetaxel or irinotecan is well tolerated in patients with chemotherapy-naïve advanced NSCLC. The survival data with the combination gemcitabinedocetaxel are promising. Gemcitabinedocetaxel combination therapy may be particularly useful for patients who have experienced toxicities with a platinum regimen or in patients who may be more susceptible to platinum-related toxicity.
1 University of Miami and Sylvester Cancer Center, Miami, FL; 2 Memorial Sloan-Kettering Cancer Center, New York, NY; 3 CALGB Statistical Center, Durham, NC; 4 Duke University Medical Center, Durham, NC; 5 Washington University School of Medicine, St Louis, MO; 6 Cancer Centers of the Carolinas, Greenville, SC; 7 Medical University of South Carolina, Charleston, SC, USA
Key words: CALGB 39809, docetaxel, gemcitabine, irinotecan, non-small cell lung cancer
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