06/08/2026 Biogen completed the acquisition of RayThera to strengthen its immunology pipeline Ono Pharmaceutical entered into a drug discovery partnership with Mediar Therapeutics to create novel antibody therapeutics for fibro-inflammatory diseases Mediar Therapeutics entered into a collaboration and option agreement with Ono Pharmaceutical Biogen completed the acquisition of RayThera to strengthen its immunology pipeline (Ref) Biogen announced the completion of its acquisit