Gyre Therapeutics (Nasdaq: GYRE), a biotech firm specializing in anti-fibrotic treatments, has received approval from China's NMPA for its Investigational New Drug (IND) application for F230. This drug, a selective endothelin receptor antagonist, is aimed at treating pulmonary arterial hypertension (PAH), a severe and progressive disorder with no current cure. Licensed from Eisai through GNI Group, F230 showed promising preclinical results, significantly reducing pulmonary arterial pressure and other related metrics. Gyre aims to improve patient outcomes and is also exploring additional indications for F230.