Core Insights - BioVaxys Technology Corp. announced positive findings from a Phase 2 clinical study of maveropepimut-S (MVP-S) in combination with pembrolizumab and low-dose cyclophosphamide for advanced or metastatic bladder cancer, reinforcing the potential of MVP-S to enhance checkpoint inhibitor activity across multiple solid tumor indications [1][4] Group 1: Clinical Study Findings - The Phase 2 study assessed the safety, tolerability, and clinical activity of the combination regimen in patients with metastatic bladder cancer, including those who had progressed on prior anti-PD1/PD-L1 therapies [2] - Key findings indicate that combining MVP-S with checkpoint inhibitors can expand antigen-specific T cell responses, reduce regulatory T-cell activity, and amplify anti-tumor activity [2] - Of 17 evaluable subjects, five showed objective responses, including 2 confirmed complete responses (CRs) and 3 partial responses (PRs), with notable responses in patients previously resistant to checkpoint inhibitors [5] Group 2: MVP-S Mechanism and Composition - MVP-S is a DPX-based immunotherapy that includes multiple survivin-derived peptides, a T-helper peptide, and an innate immune stimulant, promoting efficient antigen uptake and robust T-cell activation [3] - The DPX platform employs a novel, non-aqueous, lipid-in-oil formulation that mimics natural immune processes, resulting in durable immune responses without systemic release at the injection site [3] Group 3: Market Context and Future Opportunities - The encouraging results from the Phase 2 study support advancing MVP-S toward Phase 3 development in ovarian cancer and exploring broader partnering opportunities across additional indications [4] - Major anti-PD1 therapies, such as Merck's Keytruda and Bristol Myers Squibb's Opdivo, are approaching significant patent expirations by 2028, creating opportunities for MVP-S in a competitive market [4] - BioVaxys continues to advance its oncology pipeline, with MVP-S demonstrating consistent tolerability and immune activation across various cancer indications [6]
BioVaxys Reports Positive Phase 2 Data for Maveropepimut (MVP-S) + Pembrolizumab and Low-Dose Cyclophosphamide in Metastatic Bladder Cancer