Biogen and Dayra Therapeutics Announce Research Collaboration to Discover and Develop Oral Macrocyclic Peptides for a Range of Immunological Conditions – BiogenBy Advanced Research Peptides / November 24, 2025 Biogen and Dayra Therapeutics Announce Research Collaboration to Discover and Develop Oral Macrocyclic Peptides for a Range of Immunological Conditions Biogen