Traws Pharma, Inc. is a clinical-stage biopharmaceutical company that develops small synthetic molecules for respiratory viral diseases and cancer. Its pipeline includes TRX01 (Ratutrelvir), an inhibitor in development for COVID-19; Tivoxavir marboxil, an endonuclease inhibitor in development for bird flu and seasonal influenza; narazaciclib, a multi-targeted kinase inhibitor for solid tumors and hematological malignancies; and rigosertib, under investigation for various cancers. The company has license agreements with SymBio Pharmaceuticals Limited, Pint International SA, Viriom, Inc., Knight Therapeutics Inc., Specialised Therapeutics Asia Pte. Ltd., and Temple University. Formerly known as Onconova Therapeutics, Inc., it changed its name to Traws Pharma, Inc. in April 2024, was incorporated in 1998, and is headquartered in Newtown, Pennsylvania.