Nivolumab for Platinum-refractory and -sensitive Recurrent and Metastatic Head and Neck Squamous Cell Carcinoma

¹Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University, Tokyo, Japan;
²Department of Otorhinolaryngology, Head and Neck Surgery, Kitasato University School of Medicine, Sagamihara, Japan;
³Department of Head and Neck Oncology and Surgery, International University of Health and Welfare Mita Hospital, Tokyo, Japan;
⁴Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan;
⁵Department of Head and Neck Oncology, National Cancer Center Hospital, Tokyo, Japan;
⁶Department of Otorhinolaryngology, Head and Neck Surgery, Yokohama City University, Yokohama, Japan

Correspondence to: Takuro Okada, Department of Otorhinolaryngology, Head and Neck Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan. Tel: +81 333426111, Fax: +81 333426203, e-mail: taku-hns{at}tokyo-med.ac.jp