The Promise of Peptide Therapeutics
PTG-100 PTG-200 PTG-300
February 7, 2020Protagonist Therapeutics to Present Preclinical Results on PN-943 at the 15th Congress of European Crohn's and Colitis Organization (ECCO) More

Welcome to Protagonist, a clinical-stage biopharmaceutical company poised to deliver life-changing therapies.

Clinical-stage new peptide entities addressing unmet medical needs

Learn More

Executive team with broad industry experience and success in drug development

Learn More

Collaborations with pharma giants and grassroots advocates

Learn More