PTGX

Protagonist Therapeutics, Inc.

A biotechnology company that designs oral and injectable peptide drugs for chronic conditions like psoriasis, blood disorders, and obesity. Founded in 2006 on peptide technology from the University of Pennsylvania, it was incubated in Australia before moving to California. Its name was chosen to suggest a central role in peptide medicine, and its psoriasis pill Icotyde is licensed to Johnson & Johnson.