RecruitingPhase 1Drug trialA Phase I Clinical Study to Evaluate the PK Profile, Efficacy, Safety and Immunogenicity of HLX17 vs. Keytruda® in Multiple Resected Solid TumorsThis is a multicenter, randomized, double-blind, parallel-controlled phase I clinical study to evaluate the similarity in PK profile, efficacy, safety, and immunogenicity of HLX17 vs. US-sourced Keytruda® in patients with resected non-small cell lung cancer (NSCLC) or melanoma (MEL), or renal cell carcinoma (RCC).