Transgene and BioInvent to Present Updated Data on Armed Oncolytic virus BT-001, at ESMO 2025

Core Insights - Transgene and BioInvent are presenting updated data on BT-001, an oncolytic virus, at the ESMO Annual Meeting in October 2025 [1][2] - BT-001 is being evaluated in a Phase I/IIa study for its efficacy in treating advanced solid tumors [4] Group 1: Study Details - The study is a multicenter, open-label, dose-escalation trial assessing BT-001 as a monotherapy and in combination with pembrolizumab [4] - The Phase I part of the study has shown that BT-001 is well tolerated and has demonstrated initial efficacy, with clinical responses observed in 2 out of 6 refractory patients [3][4] - The treatment has converted "cold" tumors into "hot" tumors, inducing T-cell infiltration and PD(L)-1 expression in the tumor microenvironment [3] Group 2: Product Information - BT-001 is developed using Transgene's Invir.IO® platform and incorporates a Treg-depleting recombinant human anti-CTLA-4 antibody from BioInvent [3] - The collaboration between Transgene and BioInvent is a 50/50 partnership focused on the development of oncolytic viruses [3] Group 3: Company Background - Transgene specializes in designing and developing virus-based immunotherapies for cancer treatment, with a portfolio that includes multiple viral vector-based immunotherapeutics [6][8] - BioInvent focuses on discovering and developing novel immune-modulatory antibodies for cancer therapy, with several candidates in clinical programs [8]