Nivolumab vs investigator’s choice in recurrent or metastatic squamous cell carcinoma of the head and neck: 2-year long-term survival update of CheckMate 141 with analyses by tumor PD-L1 expression

By R. Ferris, G. Blumenschein, Léon Bérard, J. Guigay, Kevin J. Harrington, Robert L. Ferrisa, George Blumenschein Jr.b, Jerome Fayettec, Joel Guigayd, A. D. Colevase and 15 more. Oral Oncology, 2018

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Objectives We report 2-year results from CheckMate 141 to establish the long-term efficacy and safety profile of nivolumab and outcomes by tumor PD-L1 expression in patients with recurrent or metastatic (R/M),platinum-refractory squamous cell carcinoma of the head and neck (SCCHN). Methods Patients with R/M SCCHN with tumor progression/recurrence within 6 months of platinum therapy were randomized 2:1 to nivolumab 3 mg/kg every 2 weeks or investigator’s choice (IC). Primary endpoint: overall survival (OS). Data cutoff: September 2017. Results With 24.2 months’ minimum follow-up, nivolumab (n =240) continued to improve OS vs IC (n = 121), hazard ratio (HR) = 0.68 (95% CI 0.54–0.86). Nivolumab nearly tripled the estimated 24-month OS rate (16.9%) vs IC (6.0%), and demonstrated OS benefit across patients with tumor PD-L1 expression ≥1% (HR [95% CI] = 0.55 [0.39–0.78]) and < 1% (HR [95% CI] =0.73 [0.49–1.09]), and regardless of tumor HPV status. Estimated OS rates at 18, 24, and 30 months with nivolumab were consistent irrespective of PD-L1 expression (< 1%/≥1%). In the nivolumab arm, there were no observed differences in baseline characteristics or safety profile between long-term survivors and the overall population. Grade 3–4 treatment-related adverse event rates were 15.3% and 36.9% for nivolumab and IC, respectively. Conclusion Nivolumab significantly improved OS at the primary analysis and demonstrated prolonged OS benefit vs IC and maintenance of a manageable and consistent safety profile with 2-year follow-up. OS benefit was observed with nivolumab irrespective of PD-L1 expression and HPV status. (Clinicaltrials.gov: NCT02105636)

Subfields: Oncology, Otorhinolaryngology, Surgery

View Paper: https://www.semanticscholar.org/paper/174c9e17ecbc0b665a08e9d86b11645aeda88ebd

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In Oncology

  1. R. Ferris

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