XL-protein grants worldwide license to Grifols to develop a biopharmaceutical using PASylation® technology

Freising, Germany, June 10, 2025 — XL-protein GmbH, a pioneer in the area of biopolymers for pharmacokinetic optimization, announced today that it has entered into a worldwide License, Development and Commercialization Agreement with Grifols, a global healthcare company and leading manufacturer of plasma-derived medicines, for a novel, long-acting biopharmaceutical product. Under this collaboration, XL-protein will leverage its proprietary, clinical-stage PASylation® technology to extend the circulation of ...