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  • Title: Phase II trial of dacarbazine and thalidomide for the treatment of metastatic melanoma.
    Author: Ott PA, Chang JL, Oratz R, Jones A, Farrell K, Muggia F, Pavlick AC.
    Journal: Chemotherapy; 2009; 55(4):221-7. PubMed ID: 19451711.
    Abstract:
    OBJECTIVE: This phase II study evaluated the efficacy and tolerability of dacarbazine in combination with thalidomide in metastatic melanoma patients. METHODS: Chemotherapy-naïve patients with histologically confirmed, measurable metastatic melanoma with no evidence of brain metastases and adequate hematologic and organ function received dacarbazine (1,000 mg/m(2) i.v. every 3 weeks) and thalidomide (starting dose of 200 mg/day orally at night, escalated every 3 weeks) as tolerated. The primary endpoint was objective tumor response, evaluated after every 3 cycles of treatment. Fifteen patients, age range 29-77 years, were accrued for this study. All had stage IV disease (1 M1a, 5 M1b, 9 M1c). Nine patients had had no prior adjuvant therapy, 6 had received prior immunotherapy. The median number of cycles was 5 (range 1-18), with 8 patients receiving >or=3 cycles. The median thalidomide dose administered was 200 mg/day with a maximum tolerated dose of 400 mg/day. RESULTS: Of the 13 patients evaluable for response, 1 patient had a partial response, 3 patients had stable disease and 9 patients had progressive disease. No complete responses were seen. Two patients were not evaluable for response: 1 withdrew due to toxicity and 1 died of unrelated causes. Grade III neutropenia, thrombocytopenia and nausea were attributed to dacarbazine. Grade III/IV constipation, peripheral neuropathy, fatigue, edema and rash were attributed to thalidomide. CONCLUSION: The addition of thalidomide to dacarbazine in metastatic melanoma yielded activity insufficient to proceed with additional trials of this combination. Thalidomide dose escalation beyond 200 mg/day was limited by unacceptable toxicity. Therefore, this combination does not warrant further investigation.
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