U.S. Food and Drug Administration Approval Summary: Atezolizumab for Metastatic Non-Small Cell Lung Cancer

On October 18, 2016, the FDA approved atezolizumab (TECENTRIQ; Genentech, Inc.) for treatment of patients with metastatic non–small cell lung cancer (mNSCLC) whose disease progressed during or following platinum-containing chemotherapy. Approval was based on demonstration of clinically meaningful improvements in overall survival (OS) and an acceptable safety profile in two randomized clinical trials (OAK and POPLAR). Median OS in OAK, a phase III trial, was 13.8 months [95% confidence interval (CI), 11.8–15.7] in the atezolizumab arm compared with 9.6 months (95% CI, 8.6–11.2) in the docetaxel arm [hazard ratio (HR) = 0.74; 95% CI, 0.63–0.87; P = 0.0004]. Median OS in POPLAR, a phase II trial, was 12.6 months (95% CI, 9.7–16.0) and 9.7 months (95% CI, 8.6–12.0; HR = 0.69; 95% CI, 0.52–0.92) for the atezolizumab and docetaxel arms, respectively. In patients treated with atezolizumab, the most common (≥20%) adverse reactions were fatigue, decreased appetite, dyspnea, cough, nausea, musculoskeletal pain, and constipation; the most common (≥2%) grade 3 to 4 adverse events were dyspnea, pneumonia, hypoxia, hyponatremia, fatigue, anemia, musculoskeletal pain, aspartate aminotransferase increase, alanine aminotransferase increase, dysphagia, and arthralgia. Clinically significant immune-related adverse events for patients receiving atezolizumab included 1.4% incidence each of grade 3 to 4 pneumonitis, hepatitis, colitis, and thyroid disease. Clin Cancer Res; 23(16); 4534–9. ©2017 AACR.

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