Pulmovant Receives Orphan Drug Designation in Japan for Mosliciguat for the Treatment of Pulmonary Hypertension Associated with Interstitial Lung Disease (PH-ILD)

Core Insights - Pulmovant has received orphan drug designation for mosliciguat from Japan's Ministry of Health, Labour and Welfare, highlighting the significant unmet medical need for patients with Pulmonary Hypertension associated with Interstitial Lung Disease (PH-ILD) [1][2] - Mosliciguat is a novel, once-daily, inhaled soluble guanylate cyclase (sGC) activator currently in Phase 2 clinical trials, aiming to provide a targeted treatment option for PH-ILD [1][3] Company Overview - Pulmovant is a clinical-stage biotechnology company focused on developing treatments for pulmonary diseases and is a subsidiary of Roivant [7] - The company’s lead candidate, mosliciguat, is designed to be a first-in-class inhaled treatment for PH-ILD, with a differentiated mechanism of action [7][5] Clinical Development - Mosliciguat is currently being evaluated in the Phase 2 PHocus clinical study, which is a randomized, double-blind, placebo-controlled trial involving approximately 120 adult patients [3][6] - The Phase 1b ATMOS study demonstrated that inhaled mosliciguat was well tolerated and resulted in a mean peak reduction in pulmonary vascular resistance (PVR) of up to 38% [5] Market Context - PH-ILD is a progressive and life-threatening condition affecting up to 200,000 patients in the U.S. and Europe, with limited or no approved treatment options available [4] - The orphan drug designation provides Pulmovant with regulatory benefits, including priority consultation and up to 10 years of market exclusivity post-approval [2][6]