RecruitingBiological interventionA Clinical Study of Intratumoral MVR-T3011 (T3011) Given as a Single Agent and in Combination With Intravenous Pembrolizumab in Participants With Advanced or Metastatic Solid TumorsThis is a Phase 1/2a, open-label, study to evaluate the safety and preliminary efficacy of intratumoral T3011 given alone and in combination with intravenous pembrolizumab in partients with advanced or metastatic solid tumors.