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  • Title: Feasibility study of single agent Cisplatin and concurrent radiotherapy in Japanese patients with squamous cell carcinoma of the head and neck: preliminary results.
    Author: Zenda S, Onozawa Y, Tahara M, Kawashima M, Shikama N, Sasaki S, Boku N.
    Journal: Jpn J Clin Oncol; 2007 Oct; 37(10):725-9. PubMed ID: 17925299.
    Abstract:
    BACKGROUND: Concurrent chemoradiotherapy with the single agent cisplatin (CDDP + RT) has been recognized worldwide as the standard treatment for unresectable locally advanced SCCHN. The objective of this study was to clarify the feasibility of CDDP + RT in Japanese patients. Patients and methods Patients with unresectable squamous cell carcinoma of the head and neck were given single daily fractionated radiation (70 Gy at 2 Gy/day) and chemotherapy consisting of a 2 h infusion of CDDP 100 mg/m(2) on days 1, 22 and 43. The primary endpoint was the rate of completion of CDDP + RT. RESULTS: Between November 2005 and January 2007, 20 patients were enrolled, 19 males and one female with a median age of 61.5 years (range 50-74). One patient had recurrent unresectable disease after surgery and the remaining 19 had stage IV disease. No grade 4 hematologic toxicities were observed. The incidence of grade 3 mucositis was 55% and no treatment-related death occurred. Full-dose irradiation was performed in all patients, with a median duration of radiotherapy of 50 days (range 48-54). Although all patients received the first two administrations of CDDP, the third dose was administed in 17 patients (85%). The rate of completion of CDDP + RT was 85% and the dose intensity of CDDP was 28.9 mg/m(2)/week (relative dose intensity 89%). Overall complete response rate was 50% and the rate of primary complete response was 90%. CONCLUSION: Concurrent chemoradiation therapy with the standard dose of CDDP is feasible in Japanese patients. Treatment modification based on racial differences is not necessary.
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