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Abstract
Objectives: To evaluate the efficacy and toxicity of the combination of vinorelbine and interleukin (IL)-2 in patients with metastatic melanoma as second-line chemotherapy. Patients and Methods: Twenty-two patients with histologically confirmed stage IV melanoma previously treated with temozolomide-based chemotherapy—only one regimen of chemotherapy for disseminated disease was allowed—were treated with vinorelbine 30 mg/m2 on days 1 and 15 and IL-2 subcutaneous 9 × 106 once daily on days 2–6 and 16–19 every 4 weeks for maximum of six cycles. Results: From January 2000 to July 2001, 22 patients entered the study; the median age was 56 years. Among 20 evaluable patients there were 2 (9.1%) objective responses including 1 complete response and 1 partial response. Five (22.7%) had stabilization of their disease, and 13 (59.1%) progressed. The median time to progression (TTP) was 2.9 months and the median overall survival was 9.1 months. There was a significant difference in TTP in patients who responded or remained stable (median TTP 10.75 months) and those who progressed (median TTP 2.1 months) (p < 0.05). There was also a difference in survival in the two groups (p < 0.05 (28 vs. 8 months). The most common side effects were flulike symptoms, such as fever, chills, fatigue, and injection site reaction. Grade 3 hematological toxicity rarely occurred. One patient discontinued therapy because of fatigue and anorexia. There were no treatment-related deaths. Conclusions: The combination of vinorelbine and IL-2 provides clinical benefit in patients recurring or progressing on first-line chemotherapy for metastatic melanoma, with manageable toxicity.