Phase III Clinical Trial of the Combination of Cisplatin, Dacarbazine, and Carmustine With or Without Tamoxifen in Patients With Advanced Malignant Melanoma

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Abstract
PURPOSE: A prospective randomized phase III clinical trial was conducted to assess whether the addition of tamoxifen (TAM) to the three-agent regimen of cisplatin (CDDP), dacarbazine (DTIC), and carmustine (BCNU) significantly increased the progression-free survival and overall survival of patients with advanced malignant melanoma. PATIENTS AND METHODS: Patients with advanced malignant melanoma were treated with CDDP + DTIC + BCNU (CDB) with or without TAM. The dose schedule was CDDP 25 mg/m2 given intravenously (IV) for 30 to 45 minutes in 500 mL of dextrose and ½ normal saline (NS) on days 1 to 3 of a 3-week cycle; DTIC 220 mg/m2 IV for 1 hour in 500 mL of dextrose and ½ NaCl on days 1 to 3 of a 3-week cycle; BCNU 150 mg/m2 IV for 2 to 3 hours in 750 to1,000 mL of dextrose and 5% water onday 1 of every odd 3-week cycle; and TAM 20 mg taken orally every morning. RESULTS: There were 184 eligible patients enrolled. These patients were observed until death or for a minimum of 1.3 years. At last contact, 12 were still alive. The median time to progression was 3.4 months on the CDB arm and 3.1 months on the CDB + TAM arm. The median survival time was 6.8 months with CDB and 6.9 months with CDB + TAM. Progression-free survival (P = .429) and overall survival (P = .545) were not found to differ by treatment. CONCLUSION: The addition of TAM to this three-agent regimen of CDB was not found to provide a meaningful clinical advantage in the treatment of patients with advanced malignant melanoma.