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Published on: February 12, 2017
Hyperfractionated accelerated radiotherapy in combination with weekly cisplatin for locally advanced head and neck
Gabriele K Beckmann1, Florian Hoppe, Leo Pfreundner
1Department of Radiation Oncology, Klinik und Poliklinik für Strahlentherapie der Universität Würzburg, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
Background:
The purpose of this study was to determine the feasibility and efficacy of hyperfractionated accelerated radiotherapy (HFRCB) combined with simultaneous chemotherapy with weekly cisplatin (CDDP) in locally advanced inoperable head and neck cancer.
Methods:
From August 1999 to December 2002, 37 patients (median age, 59 years) with Union Internationale Contre le Cancer stage III (n = 2) and stage IV (n = 35) squamous cell cancer of the oropharynx and hypopharynx were treated in a prospective phase I/II trial. Concomitant boost radiotherapy (1.8 Gy, days 1-38 and 1.5 Gy boost, days 22-38, twice daily with at least a 6-hour interval; total dose 69.9 Gy) and simultaneous cisplatin, 40 mg/m2 weekly, were given.
Results:
The median treatment duration was 42 days (range, 38-46 days). Toxicity was manageable, with neutropenia grade III/IV and thrombocytopenia grade IV in seven and one patients, and mucositis grade III/ IV in 27 and five patients, respectively. Chemotherapy was restricted to four weekly applications in 29 patients mainly because of mucosal toxicity with a median dose intensity of 160 mg/m2 (0-200) of cisplatin in 5.5 weeks. With a median follow-up of 28 months for living patients, the 2-year overall survival rate was 67%. The median overall and relapse-free survival times were 36 and 31 months, respectively.
Conclusion:
HFRCB in combination with weekly cisplatin achieves a high rate of locoregional control and survival. Four weekly cycles of 40 mg/m2 cisplatin seem to be the dose limit for most patients.
