C4 Therapeutics(US:CCCC) Globenewswireยท2025-10-01 11:00Core Insights - C4 Therapeutics has entered into a clinical trial collaboration and supply agreement with Pfizer to advance its research in targeted protein degradation for multiple myeloma treatment [1][2] Company Overview - C4 Therapeutics is a clinical-stage biopharmaceutical company focused on targeted protein degradation science, aiming to create innovative medicines that improve patient outcomes [4] - The company utilizes its TORPEDO platform to design and optimize small-molecule medicines for challenging diseases, with a focus on oncology [4] Clinical Trial Details - The upcoming Phase 1b trial will assess the safety and tolerability of cemsidomide, an IKZF1/3 degrader, in combination with elranatamab for patients with relapsed/refractory multiple myeloma [2][5] - The trial is expected to start in Q2 2026 and aims to establish an optimal dose for cemsidomide when combined with elranatamab [2] - Pfizer will supply elranatamab at no cost, while C4 Therapeutics will sponsor and conduct the trial [2] Product Information - Cemsidomide is an investigational small-molecule degrader that has shown promising safety and tolerability, as well as strong anti-myeloma activity in previous trials [5] - Two additional clinical trials for cemsidomide are planned: a Phase 2 trial in combination with dexamethasone expected to start in Q1 2026, and the aforementioned Phase 1b trial [5] Market Potential - The collaboration with Pfizer positions cemsidomide to potentially enhance treatment regimens for multiple myeloma, aiming to improve patient outcomes in earlier lines of therapy [3] - Elranatamab is on track to become a standard of care BCMAxCD3 bispecific antibody in a growing market for multiple myeloma treatments [3]