iBio (IBIO) announced the expansion of its cardiometabolic and obesity treatment development program by in-licensing a potentially best-in-class long-acting anti-myostatin antibody from AstralBio, Inc. The antibody, now named IBIO-600, was identified by AstralBio using iBio’s proprietary technology stack and was designed for subcutaneous administration with the potential for an extended half-life. Pursuant to the agreement, AstralBio will receive an upfront payment of $750,000, which iBio has paid by issuing its common stock to AstralBio. In addition, AstralBio will be eligible for development and commercialization milestone payments totaling up to $28 million. If iBio sublicenses the licensed product, AstralBio will receive low to mid-single-digit sublicense fees on the proceeds of the sublicense fees. iBio is solely responsible for the research and development, manufacturing and commercialization activities of the licensed product.