Core Insights - Radiopharm Theranostics is advancing its RV01 program towards a first-in-human therapeutic basket study targeting solid tumor cancers, with an Investigational New Drug submission planned for mid-2025 and Phase 1 study initiation expected in Q4 2025 [1][7] Group 1: RV01 Program Development - The RV01 therapy is a B7-H3-targeted radiopharmaceutical designed to target solid tumors expressing the B7-H3 protein, which is associated with poor prognosis in various cancers [2] - Preclinical data indicates that RV01 demonstrates favorable biodistribution and high tumor uptake, with modifications in the Fc region leading to a shorter half-life compared to traditional monoclonal antibodies [1][3] - The antibody's faster liver excretion allows for effective tumor targeting while potentially reducing associated toxicities, offering advantages over traditional excretion methods [4] Group 2: Preclinical Data and Efficacy - New preclinical data supports earlier findings of RV01's strong affinity for the cancer-specific 4Ig isoform of the B7-H3 receptor, showing complete regression of established solid tumors and evidence of immune system stimulation [6] - The biodistribution study is the final preclinical work required for the IND application with the U.S. FDA, confirming the timeline for submission and study initiation [7] Group 3: Company Overview - Radiopharm Theranostics is a clinical-stage biopharmaceutical company focused on developing innovative oncology radiopharmaceuticals, with a diverse pipeline including peptides, small molecules, and monoclonal antibodies for cancer treatment [9]