Mapp Biopharmaceutical Inc
Biotechnology ResearchCalifornia, United States51-200 Employees
Mapp Biopharmaceutical, Inc. is a mid-sized biotechnology company based in San Diego, California. It focuses on developing monoclonal antibody therapies to address neglected infectious diseases. The company's work centers on advancing antibody-based treatments that could fill gaps where limited approved options exist. It maintains an expanded access program to provide investigational products to eligible patients with documented disease or high-risk exposure, under physician oversight. The firm is actively developing MBP-134, a pan-ebolavirus monoclonal antibody therapy. In May 2026, Mapp announced a collaboration with Medical Countermeasures to facilitate access to MBP-134 for potential use in high-risk individuals.