Source:Oral Oncology, Volume 73
Author(s): Naomi Kiyota, Yasuhisa Hasegawa, Shunji Takahashi, Tomoya Yokota, Chia-Jui Yen, Shigemichi Iwae, Yasushi Shimizu, Ruey-Long Hong, Masahiro Goto, Jin-Hyoung Kang, Wing Sum Kenneth Li, Robert L. Ferris, Maura Gillison, Yoshinobu Namba, Manish Monga, Mark Lynch, Makoto Tahara
ObjectivesTo assess efficacy and safety of nivolumab versus investigator's choice of therapy (IC) in Asian patients with platinum-refractory recurrent or metastatic squamous cell carcinoma of the head and neck (SCCHN).Materials and methodsThirty-four patients from Japan, Taiwan, Hong Kong, and Korea received nivolumab 3mg/kg (n=23) every 2weeks or IC (n=11), as part of a global trial (n=361), until intolerable toxicity or disease progression. The primary endpoint was overall survival (OS).ResultsMedian OS was 9.5months (95% confidence interval [CI] 9.1–NR) with nivolumab and 6.2months (95% CI 2.6–NR) with IC. Seven (30.4%) patients receiving nivolumab and six (54.5%) receiving IC died. The hazard ratio (HR) for risk of death (nivolumab vs. IC) was 0.50 (95% CI 0.17–1.48). Median progression-free survival was 1.9months (95% CI 1.6–7.5) with nivolumab and 1.8months (95% CI 0.4–6.1) with IC (HR 0.57 [95% CI 0.25–1.33]). Objective response rates (complete+partial responses) were 26.1% (6/23 patients; 95% CI 10.2–48.4) for nivolumab and 0% (0/11 patients; 95% CI 0.0–28.5) for IC. Sixteen (69.6%) nivolumab-treated patients and 10 (90.9%) patients receiving IC had a treatment-related adverse event, most commonly decreased appetite (21.7%), pruritus, rash, and fatigue (17.4% each) with nivolumab, and nausea, stomatitis, and decreased appetite (27.3% each) with IC.ConclusionNivolumab demonstrated a survival advantage compared with conventional treatments in Asian patients with platinum-refractory recurrent or metastatic SCCHN, and was well tolerated.Clinical trial registration NCT02105636.
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