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Roivant’s experimental lung disease drug meets goals in mid-stage study

By Thomson Reuters Sep 8, 2026 | 6:00 AM

By Sahil Pandey

Sept 8 (Reuters) – Roivant said on Tuesday its experimental drug met the main goals of a mid-stage study in patients with high blood pressure associated ​with a type of lung disease, sending shares ‌up about 17%.

Roivant has been expanding its late-stage pipeline after winning U.S. approval last month for skin and muscle disease treatment Lisraya.

• The drug developer said its experimental drug, mosliciguat, met the 135-patient study’s ‌main ​goal, reducing pressure and resistance in ⁠lung blood vessels by 56.3% ⁠compared with placebo at 16 weeks.

• Pulmonary hypertension associated with interstitial lung disease (PH-ILD) occurs when lung scarring damages blood vessels and forces the heart to work harder.

• ​Roivant’s Chief Investment Officer Mayukh Sukhatme told Reuters mosliciguat’s long half-life would lead to greater benefits with longer treatment, ⁠adding the company sees it ⁠as both a standalone and combination treatment if ​approved.

• Sukhatme said patients have a short lifespan and mosliciguat ​offers the possibility of “real relief” and could help them ‌avoid “hospitalizations, exacerbations and deaths.”

• Mosliciguat also met secondary goals, helping patients walk 35.2 meters farther in a six-minute walking test compared with placebo after 16 weeks, Roivant said.

• “Before the readout, ⁠we estimated PH-ILD’s risk-adjusted peak sales of $1.5 billion. With this data, mosli’s potential is likely much greater than where we stand today, ⁠as management’s messaging ‌signals potential paths forward in additional indication(s),” ⁠said J.P.Morgan analyst Brian Cheng, calling the ​stock ‌a “top pick.”

• PH-ILD treatments include United Therapeutics’ Tyvaso ​and Tyvaso ⁠DPI and Liquidia’s Yutrepia, as well as off-label use of PDE5 inhibitors — used by some in the study — such as Viatris’ Viagra and Lilly’s Cialis.

• Roivant said it has already started a late-stage study.

(Reporting by Sahil Pandey in Bengaluru; Editing ​by Jonathan Ananda)