Purpose: Paclitaxel and platinum-based chemotherapy is considered to be a standard approach for locally advanced and metastatic non-small-cell lung cancer (NSCLC). In recent years, weekly paclitaxel has been widely used for its safety profile, especially in breast and ovarian cancer. Otherwise, only a few studies are available in NSCLC. The aim of our study was to investigate the activity and safety of weekly paclitaxel in elderly patients with locally advanced (stage IIIB) and metastatic (stage IV) NSCLC.
Patients And Methods: Twenty-seven patients entered the study; 10 had stage IIIB disease (5 "wet" and 5 "dry"), and 17 had stage IV disease. Median age was 73 years (range, 70-83 years). Sixteen patients (59%) presented with comorbidities. The schedule was weekly paclitaxel 80 mg/m2 for 6 weeks with 2 weeks of rest (1 cycle).
Results: All patients were evaluable for response and toxicity; a median of 1 cycle was administered (range, 1-5 cycles). Partial responses were recorded in 9 patients (37.5%; 33.3%, according to intention-to- treat analysis; 95% CI, 15.5%-51.1%); 7 had stable disease (29%), and 8 had progressive disease (33.5%). Median time to progression was 5 months (range, 1-23 months), and median survival was 12 months (range, 1-36 months). Grade 2/3 asthenia was the main toxicity in 7 patients (29%); a hypersensitivity reaction presented in 1 patient. No other episode of grade 3/4 toxicity was recorded.
Conclusion: Our study confirmed that paclitaxel 80 mg/m2 weekly is active in patients with locally advanced and metastatic NSCLC with a good safety profile; this schedule might be considered an alternative choice to gemcitabine or vinorelbine as first-line treatment in elderly patients, particularly patients with comorbidities. Phase III studies that compare these third-generation drugs are warranted to draw definitive conclusion about the best approach in these patients.
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