Endocrine/Metabolic Translational data on Regeneron’s leptin receptor agonist support further development Nov. 24, 2023 REGN-4461 (mibavademab) is a monoclonal antibody targeting leptin receptor (LEP-R) under development by Regeneron Pharmaceuticals Inc. It acts as an allosteric agonist and does not compete with leptin binding to LEP-R.Read More