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ORIGINAL ARTICLE: HEAD AND NECK CANCER
Year : 2017  |  Volume : 6  |  Issue : 2  |  Page : 64-68

Phase IIb trial comparing two concurrent cisplatin schedules in locally advanced head and neck cancer


1 Department of Radiation Oncology, Regional Cancer Centre, Trivandrum, Kerala, India
2 Department of Cancer Epidemiology and Biostatistics, Regional Cancer Centre, Trivandrum, Kerala, India

Correspondence Address:
Kunnambath Ramadas
Department of Radiation Oncology, Regional Cancer Centre, Trivandrum, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2278-330X.208840

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Background: Concurrent chemoradiation with 3 weekly cisplatin (100 mg/m2) is the standard of care for locally advanced head and neck cancer. However, this regimen has been shown to be associated with lesser compliance and higher toxicities. Hence, there is a need to explore alternative concurrent cisplatin regimens. Objectives: The objective of this study was to compare the efficacy and toxicities of 3 weekly cisplatin (100 mg/m2) with weekly cisplatin (40 mg/m2) concurrently with radiation in patients with locally advanced head and neck cancer. Patients and Methods: This phase IIb trial randomized 56 patients with Stage III and IV squamous cell carcinoma of oropharynx, hypopharynx, and larynx to Arm A or Arm B. Arm A received cisplatin 100 mg/m2 3 weekly and Arm B received cisplatin 40 mg/m2 weekly concurrently with radiation. The primary end point was disease-free survival (DFS) and secondary end points were overall survival (OS) and acute toxicity. DFS and OS were estimated using Kaplan–Meier method, and log-rank test was used to assess the difference in these distributions with respect to treatment. Results: The 2-year DFS in Arm A and Arm B was 64.5% and 52.8%, respectively (P = 0.67). The OS at 2 years was 71% and 61.1% in Arm A and Arm B, respectively (P = 0.61). There were no significant differences in acute hematological, renal, or mucosal toxicities between the two arms. Conclusion: This study showed a nonsignificant improvement in DFS and OS in the 3 weekly cisplatin arm over the weekly arm with comparable toxicities. The trial is registered with Clinical Trial Registry of India (CTRI registration number: CTRI/2013/05/003703, URL-http://ctri.nic.in).


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