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Five versus ten fractions per week radiotherapy in locally advancedhead and neck cancer

 Department of Radiation Oncology, Gandhi Medical College, Bhopal, Madhya Pradesh, India

Correspondence Address:
Ramanjis Viranna Tallari,
Department of Radiation Oncology, Gandhi Medical College, Bhopal, Madhya Pradesh
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Source of Support: None, Conflict of Interest: None

Introduction: Conventional fractionated radiotherapy (CFRT) is in use since a long time, but the invention of altered fractionation such as hyperfractionation has improved survival in head and neck squamous cell cancer (HNSCC). Aims: Our aim of this prospective randomized study is to compare conventional 5 fractions per week (CFRT) with hyperfractionation 10 fractions per week (hyperfractionated radiotherapy [HFRT]) in locally advanced head and neck cancer. Patients and Methods: The study period is from November 2013 to April 2015. Totally, 100 patients with proven head and neck cancer were submitted to radiotherapy on theratron 780 (cobalt 60) machine. Fifty patients in each CFRT group and HFRT group randomized to receive radiotherapy following induction chemotherapy. Patients in CFRT group have received 66–70 Gy/33–35 fractions Monday to Friday, while HFRT group have received 70.4 Gy/64 fractions Monday to Friday. Results: Our results show manageable toxicity profile of a combined therapy consisting of cisplatin and paclitaxel, followed by concomitant chemoradiotherapy in the form of either CFRT or HFRT with cisplatin as a radiosensitizer in both treatment groups. The overall response at the completion of radiotherapy was 95.7% in HFRT versus 89.5% in CFRT with 76.6% complete response in HFRT versus 64.6% in CFRT. Conclusions: After induction chemotherapy, HFRT seems to be more efficacious than CFRT in locally advanced HNSCC, by increasing significantly the probability of progression-free survival and locoregional control.

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