Protagonist Therapeutics

Protagonist Therapeutics is a clinical-stage biopharmaceutical company that utilizes a proprietary peptide technology platform to discover and develop targeted peptide medicines. The enterprise engineers oral and injectable peptides that mimic and optimize natural protein-protein interactions, developing candidates such as rusfertide for polycythemia vera and oral IL-23 receptor inhibitors. Through clinical partnerships, Protagonist Therapeutics transforms treatments for hematologic malignancies and inflammatory bowel diseases.