Combination Cisplatin and Carboplatin in Advanced Squamous Cell Carcinoma of the Head and Neck

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Abstract
Twenty-three patients with advanced squamous cell carcinoma of the head and neck who had received no prior chemotherapy were treated with carboplatin 350 mg/m2 followed by cisplatin 50 mg/m2 every 28 days. Twenty-one of 23 patients were evaluable for response and toxicity. Eight patients (38%) achieved complete response (CR) or partial response (PR) with 2 CR and 6 PR. The overall median survival was 8.4 months (range 19 days-56+ months). The major toxicity was hematological with grade III/IV granulocytopenia in 32% and grade III/IV thrombocytopenia in 32%. There was very little nonhematological toxicity and no nephrotoxicity. There were no therapy-related deaths. The combination carboplatin/cisplatin is tolerable in patients with squamous cell carcinoma of the head and neck, with objective responses in 38%; however, the response rate was not superior to single-agent carboplatin or cisplatin. Further studies with a higher dose of cisplatin should be considered.