RecruitingEarly Phase 1Drug trialA Phase 0 Multicenter Study of the Pharmacodynamic Effects of Intratumoral Microdose Administration of PBA-0111 in Patients With Solid TumorsThis is a multi-center, single arm, open-label, localized pharmacodynamic biomarker Phase 0 trial designed to study the biological effects within the tumor microenvironment of PBA-0111 when administered intratumorally in microdose quantities via the CIVO device.