RecruitingDrug trialA Phase I/II, Open-label Study to Investigate the Safety, Tolerability, PK, and Preliminary Efficacy of FB849This is the first-in-human, multicenter, open-label Phase I/II study to investigate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics, and preliminary efficacy of FB849 alone and in combination with pembrolizumab in subjects with advanced solid tumors for whom no standard therapy is available.