Single Arm, Phase II Study of Cisplatin, Docetaxel, and Erlotinib in Patients with Recurrent and/or Metastatic Head and Neck Squamous Cell Carcinomas.
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ABSTRACT: LESSONS LEARNED:The combination of cisplatin, docetaxel, and erlotinib as frontline treatment for recurrent and/or metastatic head and neck squamous cell carcinomas led to a response rate of 62%.This result exceeded the prespecified target response rate of 50% and represented an improvement compared with historical controls.This regimen warrants further investigation. BACKGROUND:The epidermal growth factor receptor (EGFR) plays a key role in the carcinogenesis of head and neck squamous cell carcinomas (HNSCC). We conducted this clinical study to test the hypothesis that the addition of erlotinib to first-line cisplatin and docetaxel for patients with recurrent and/or metastatic HNSCC would yield a response rate of at least 50%, representing an improvement from historical controls. METHODS:Patients with recurrent and/or metastatic HNSCC, with at least one measurable lesion, no prior chemotherapy for recurrent and/or metastatic disease, prior combined modality therapy completed >6 months before enrollment, and performance status ≤2 were treated with cisplatin, docetaxel, and erlotinib for up to six cycles, followed by maintenance erlotinib until disease progression. The primary endpoint was response rate. RESULTS:Fifty patients were enrolled (42 male, 12 never smokers, 19 with oropharynx cancer). The median number of cycles was five; 31 patients initiated maintenance erlotinib; 14 patients required erlotinib dose reductions. The objective response rate was 62%, and the median progression-free and overall survival were 6.1 and 11.0 months, respectively. Toxicity profiles were consistent with the known side effects of the study drugs. CONCLUSION:The study met its primary endpoint and improved response rates compared with historical controls. The findings support further evaluation of the regimen for recurrent and/or metastatic HNSCCs.
SUBMITTER: William WN
PROVIDER: S-EPMC5947451 | biostudies-literature | 2018 May
REPOSITORIES: biostudies-literature
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