RecruitingPhase 1Biological interventionSafety and Preliminary Effectiveness of BNT317, an Investigational Therapy for Advanced Solid TumorsThis is a first-in-human (FIH), open-label, multiple-site, dose escalation study which will evaluate the safety, tolerability, pharmacokinetics (PK), and immunogenicity of increasing doses of BNT317 in participants with advanced solid tumors.