Gemcitabine as Second-Line Treatment for Advanced Non–Small-Cell Lung Cancer: A Phase II Trial

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Abstract
PURPOSE: To investigate the activity and toxicity of gemcitabine as a single agent in patients with advanced non–small-cell lung cancer (NSCLC) after recurrence or failure of previous treatment with a platinum-containing regimen. PATIENTS AND METHODS: From November 1995 to October 1997, 83 patients with stage IIIB or IV NSCLC received gemcitabine 1,000 mg/m2 once a week for 3 weeks every 28 days. Responses were assessed every two treatment courses. The median age of the patients was 63 years; Eastern Cooperative Oncology Group performance status was 0 to 1 in 62 patients and 2 in 21 patients. The predominant histology was squamous (39 patients); 49 patients had stage IV disease and 34 patients had stage III disease (33 stage IIIB and one stage IIIA). RESULTS: Sixteen patients (19%) achieved a partial response to treatment; the median duration of response was 29 weeks (range, 6 to 50 weeks). Treatment was well tolerated: grade 2 to 3 (World Health Organization standardized response criteria) leukopenia and thrombocytopenia occurred in 23% and 20% of patients, respectively. Mild asthenia was observed in 16% of patients, and peripheral edema in 5% of patients. Nausea and vomiting were present in 16% of patients. CONCLUSION: In this experience, gemcitabine showed significant activity without relevant toxicity, mainly in patients who were previously responsive to chemotherapy. This suggests a possible role for gemcitabine as a second-line treatment in patients who had a previous response or achieved stable disease with a platinum-containing regimen.