• J J Stark, R O Dillman, R Schulof, M C Wiemann, N M Barth, P J Honeycutt, and G Soori.
• Maryview Medical Center, Portsmouth Virginia, USA.
• Cancer. 1998 May 1; 82 (9): 1677-81.

BackgroundThe treatment of metastatic melanoma remains unsatisfactory despite encouraging results with biotherapy and combination chemotherapy. Combining these two modalities may improve outcomes for such patients.MethodsPatients who were eligible for this study had metastatic melanoma and were in good medical condition. The following regimen was used: dacarbazine 220 mg/m2 and cisplatin 25 mg/m2 administered intravenously (i.v.) daily x 3 days every 3 weeks, carmustine 150 mg/m2 i.v. every 6 weeks, tamoxifen 10 mg administered orally twice a day, and interferon-alpha2b 3.0 thousandths of an International Unit (mIU)/m2 administered subcutaneously on Days 1, 3, and 5 of each week a patient was on study. Patients were analyzed for toxicity, tumor response, and survival. Because of severe toxicity, partway through the trial the regimen was modified as follows: dacarbazine and cisplatin were given at the same dose every 4 weeks, and carmustine was reduced to 100 mg/m2 every 8 weeks.ResultsForty-two patients with a median age of 61 years were enrolled. Twenty had liver metastases and 18 had lung metastases. Forty patients were evaluable for toxicity, 17 at the original dose and 23 at the new dose; of these, 35 were evaluable for response. Hematologic toxicity was severe at the original dose: 10 patients had a nadir < 500/microL, 10 had platelets < 25,000/microL, and 2 discontinued treatment because of toxicity. At the reduced dose, 5 had a nadir absolute neutrophil count < 500, and 10 had platelets < 25,000. Of the 35 patients evaluable for response, there were 10 partial responses (29%) and 2 minimal responses. Median duration of disease control was 4 months. Median survival was 8.9 months. One partial and one minimal responder were removed from the study because they experienced toxicity while still responding.ConclusionsThe addition of interferon-alpha to this chemohormonal therapy regimen greatly increased toxicity without improving the response rate or survival for patients with metastatic melanoma.

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