HONG KONG – China’s Shanghai Junshi Biosciences Co. Ltd. has struck a deal with Merck KGaA for a clinical trial program in China to investigate the efficacy and safety of Junshi’s anti-PD-1 monoclonal antibody (MAb), Tuoyi (toripalimab) in combination with Merck’s Erbitux (cetuximab) as a treatment for recurrent and/or metastatic squamous cell carcinomas of the head and neck (SCCHN).