Brepocitinib

Immunovant’s proof-of-concept study of IMVT-1402 (imeroprubart) in cutaneous lupus erythematosus (CLE) did not achieve statistical significance on the primary endpoint of Cutaneous Lupus Erythematosus Disease Area and Severity Index Activity (CLASI-A) percent change from baseline at Week 12 Positive trends were observed on multiple endpoints, with deeper IgG reductions resulting in improved clinical outcomes, but the study did not meet Immunovant’s internal bar to continue development of IMVT-1402 in CLE IMVT-1402 demonstrated a favorable safety and tolerability profile, consistent with prior studies All other clinical development timelines remain on track BASEL, Switzerland and LONDON and NEW YORK, Sept. 23, 2026 (GLOBE NEWSWIRE) -- Roivant (Nasdaq: ROIV) today announced topline results from Period 1 of Immunovant’s proof-of-concept trial evaluating IMVT-1402 (imeroprubart) for the treatment of cutaneous lupus erythematosus (CLE). The study did not achieve statistical significance on its primary endpoint of percent change from baseline in the Cutaneous Lupus Erythematosus Disease Area and Severity Index Activity (CLASI-A) score at Week 12. Numerical trends favoring IMVT-1402 over placebo were observed across multiple endpoints, and patients who achieved deeper IgG reductions from baseline were more likely to achieve improved clinical responses. However, due to the competitive landscape and the clinical results observed, Immunovant plans to stop development in CLE. “On behalf of everyone at Immunovant, I want to thank the patients living with CLE who volunteered for this study and the investigators and clinical site teams who conducted it with such care. Their contributions advance our understanding of FcRn inhibition in autoimmune disease and will inform our work going forward,” said Eric Venker, M.D., Pharm.D., Chief Executive Officer of Immunovant. Immunovant remains focused on rapidly advancing the clinical development of IMVT-1402 across multiple autoimmune diseases with significant unmet need, including Graves’ disease, difficult-to-treat rheumatoid arthritis, myasthenia gravis, chronic inflammatory demyelinating polyneuropathy, and Sjogren’s disease. About the Proof-of-Concept Study of IMVT-1402 in CLE The proof-of-concept clinical study ( NCT06980805 ) of IMVT-1402 (imeroprubart) in CLE is a randomized, double-blind, placebo-controlled, global trial that assessed the safety and efficacy of IMVT-1402 in adult patients with CLE. The study enrolled 57 patients. In Period 1, patients were randomized to IMVT-1402 vs. placebo for a 12-week treatment period. The primary endpoint was the percent change from Period 1 baseline in CLASI-A score at Week 12. About Immunovant Immunovant, Inc. is a clinical-stage immunology company dedicated to enabling normal lives for people with autoimmune diseases and is a majority-owned subsidiary of Roivant (Nasdaq: ROIV). As a trailblazer in anti-FcRn technology, the Company is developing innovative, targeted therapies to meet the complex and variable needs of people with autoimmune diseases. For additional information on the Company, please visit immunovant.com. About Roivant Roivant (Nasdaq: ROIV) is a commercial-stage biopharmaceutical company that aims to improve the lives of patients by accelerating the development and commercialization of medicines that matter. Roivant’s pipeline includes LISRAYA ™ (brepocitinib), a potent small molecule inhibitor of JAK1 and TYK2 FDA-approved for the treatment of dermatomyositis in adult patients and also in late-stage development for the treatment of non-infectious uveitis, cutaneous sarcoidosis and lichen planopilaris; IMVT-1402, a fully human monoclonal antibody targeting FcRn in development across several IgG-mediated autoimmune indications; and mosliciguat, an inhaled sGC activator in development for pulmonary hypertension associated with interstitial lung disease. We advance our pipeline by creating nimble subsidiaries or “Vants” to develop and commercialize our medicines and technologies. For more information, visit . Forward-Looking Statements This press release contains forward-looking statements. Statements in this press release may include statements that are not historical facts and are considered forward-looking within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which are usually identified by the use of words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “would” and variations of such words or similar expressions. The words may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. We intend these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act and Section 21E of the Exchange Act. Our forward-looking statements include, but are not limited to, statements regarding our or our management team’s expectations, hopes, beliefs, intentions or strategies regarding the future, and statements that are not historical facts, including statements about the clinical and therapeutic potential of our product and product candidates, the availability and success of topline results from our ongoing clinical trials, any commercial potential of our product and product candidates following applicable regulatory approvals and the outcome of any pending litigation. In addition, any statements that refer to projections, forecasts or other characterizations of future events, results or circumstances, including any underlying assumptions, are forward-looking statements. Actual results may differ materially from those contemplated in these statements due to a variety of risks, uncertainties and other factors. Although we believe that our plans, intentions, expectations and strategies as reflected in or suggested by those forward-looking statements are reasonable, we can give no assurance that the plans, intentions, expectations or strategies will be attained or achieved. Furthermore, actual results may differ materially from those described in the forward-looking statements and will be affected by a number of risks, uncertainties and assumptions, including, but not limited to, those risks set forth in the Risk Factors section of our filings with the U.S. Securities and Exchange Commission. Moreover, we operate in a very competitive and rapidly changing environment in which new risks emerge from time to time. These forward-looking statements are based upon the current expectations and beliefs of our management as of the date of this press release, and are subject to certain risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. Except as required by applicable law, we assume no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise. Contacts: Investors Keyur Parekh keyur.parekh@roivant.com Media Stephanie Lee stephanie.lee@roivant.com

PHocus met its primary endpoint, demonstrating a clinically meaningful and statistically significant placebo-adjusted reduction in pulmonary vascular resistance (PVR) of -56.3% (p<0.0001) at Week 16, the highest ever reported PVR reduction in any randomized controlled PH trial The study also met its secondary endpoints at Week 16 with a +35.2-meter placebo-adjusted improvement in six-minute walk distance (6MWD, p=0.0027) and a -53.2% (357.7 pg/mL) placebo-adjusted reduction in N-terminal pro–B-type natriuretic peptide (NT-proBNP, p=0.0002), both clinically meaningful and statistically significant Pre-specificed exploratory Week 24 results showed continued placebo-adjusted improvements in 6MWD to +52.7m (nominal p<0.0001) and NT-proBNP to -75.9% (-487.1 pg/mL, nominal p<0.0001) Mosliciguat was observed to be well tolerated with a favorable safety profile, and compared with placebo, a lower proportion of patients experienced cough (12.1% mosliciguat vs. 18.2% placebo), a common tolerability challenge with inhaled prostacyclins Phase 3 PHrontier study of mosliciguat in patients with PH-ILD has been initiated, with enrollment underway Results being presented today at the European Respiratory Society (ERS) International Congress 2026 by Professor Marc Humbert Roivant to host investor conference call and webcast today at 8:00 a.m. ET WALTHAM, Mass., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Pulmovant, a clinical-stage biotechnology company committed to transforming the lives of patients with pulmonary diseases, and a Roivant (Nasdaq: ROIV) company, today announced positive results from its Phase 2 PHocus clinical trial evaluating mosliciguat for the treatment of pulmonary hypertension associated with interstitial lung disease (PH-ILD), a progressive and life-threatening condition with significant unmet medical needs for patients. The results will be presented today at the European Respiratory Society (ERS) International Congress 2026. “PH-ILD remains one of the most challenging forms of pulmonary hypertension to treat, given the heterogeneity of the disease and the fact that existing therapies are approved in limited geographies and poorly tolerated in patients with underlying lung disease,” said Marc Humbert, MD, PhD, Professor of Respiratory Medicine at Université Paris-Saclay and Director of the French National Reference Center for Pulmonary Hypertension. “The PVR reduction observed in PHocus is remarkable and among the largest reported in a randomized controlled PH trial to date. The consistency of benefit across hemodynamic, functional, and cardiac biomarker endpoints makes these results even more impressive. Together, these results represent a clinically meaningful advancement in this field and highlight the potential of mosliciguat to address a longstanding gap in care for a patient population with high mortality and limited treatment options.” The PHocus study met its primary endpoint, demonstrating a clinically meaningful and statistically significant placebo-adjusted reduction in PVR of -56.3% (-51.3% mosliciguat vs. +6.6% placebo, p<0.0001) at Week 16. The study also met its secondary endpoints on a placebo-adjusted basis, demonstrating a clinically meaningful and statistically significant improvement in 6MWD of +35.2 meters (+20.3 mosliciguat vs. -14.9 placebo, p=0.0027) and a clinically meaningful and statistically significant reduction in NT-proBNP, a biomarker of cardiac strain, of -357.7 pg/mL (p=0.0002), corresponding to a -53.2% reduction from baseline at Week 16. In a pre-specified exploratory analysis, treatment effects continued to strengthen through the end of the placebo-controlled period. By Week 24, the placebo-adjusted improvement in 6MWD reached +52.7 meters (nominal p<0.0001), while NT-proBNP showed a placebo-adjusted reduction of -487.1 pg/mL (-75.9%; nominal p<0.0001). ezstandalone.cmd.push(function () { ezstandalone.showAds(131); }); Mosliciguat was observed to be well tolerated, with a favorable safety pro adverse events consistent with the underlying PH-ILD condition. Notably, the incidence of cough, a common tolerability concern with inhaled prostacyclins, was lower than placebo in patients receiving mosliciguat (12.1% for patients receiving mosliciguat vs. 18.2% for patients receiving placebo). Mosliciguat is a potential first-in-class, once-daily, inhaled sGC activator with a differentiated mechanism of action designed to deliver targeted pulmonary vasodilation with limited systemic side effects for the treatment of PH-ILD. Mosliciguat targets sGC, a key enzyme in the nitric oxide (NO)/cyclic guanosine monophosphate (cGMP) signaling pathway that catalyzes cGMP production. Elevated cGMP levels are known to promote vasodilation and potentially contribute to anti-fibrotic effects, reduce inflammation and apoptosis, and reverse vascular remodeling. The PHocus results support mosliciguat's potential as an sGC activator, mechanistically distinct from sGC stimulators, to activate sGC independent of NO/heme status. This positions mosliciguat to address both oxidative-stress-associated diseases such as PH-ILD, where native sGC function is impaired, as well as diseases where native sGC remains responsive to NO/heme signaling. PH is classified into five groups based on underlying causes, symptoms, and treatment approaches. Group 3 PH is a subtype of PH that arises from lung diseases, such as interstitial lung disease (ILD). ILD describes a large group of diseases that cause progressive damage to the lungs, making it difficult for patients to breathe. Up to 200,000 patients across the U.S. and Europe are living with PH-ILD, a subset of Group 3 PH, and have limited or no approved treatment options. “Our robust Phase 2 PHocus study results, in conjunction with mosliciguat’s inhaled, once-a-day administration and potential first-in-class sGC activator profile, strongly position it as a potential single agent treatment and combination therapy for patients with PH-ILD. Today, the treatment landscape is sparse, primarily consisting of formulations of inhaled treprostinil and their associated limitations, and off-label use of PDE5 inhibitors. With these results, mosliciguat has demonstrated that it may address many of these treatment gaps,” said Drew Fromkin, Chief Executive Officer of Pulmovant. “We are truly grateful to the patients, investigators, and site teams who made this study possible. We are also pleased to announce that our Phase 3 PHrontier study for patients with PH-ILD has been initiated with the goal of rapidly bringing mosliciguat to patients battling PH-ILD.” ezstandalone.cmd.push(function () { ezstandalone.showAds(132); }); The initiation of the Phase 3 PHrontier clinical trial of mosliciguat in PH-ILD, in tandem with the completion of our PHocus study, reflects the company’s commitment to expedite mosliciguat’s development and, upon approval, access to patients who are in need of effective treatment options. For more information on the PHrontier study, please visit PhrontierStudy.com . About the PHocus Study The Phase 2 PHocus clinical study ( NCT06635850 ) is a randomized, double-blind, placebo-controlled, global trial that assessed the safety and efficacy of mosliciguat in adult patients with PH-ILD. The study enrolled 135 patients across 87 sites in 20 countries. ezstandalone.cmd.push(function () { ezstandalone.showAds(133); }); About the PHrontier Study The Phase 3 PHrontier clinical study is a randomized (1:1), double-blind, placebo-controlled, global trial evaluating the safety and efficacy of mosliciguat in adult patients with PH-ILD. The study is currently designed to enroll approximately 375 patients worldwide. About Pulmonary Hypertension and Interstitial Lung Disease Pulmonary hypertension (PH) is a progressive and debilitating condition characterized by high blood pressure in the blood vessels of the lungs. This elevated pressure forces the heart to work harder to pump blood through the lungs, leading to symptoms such as shortness of breath, fatigue, chest pain, and dizziness. The World Health Organization (WHO) has classified PH into five groups based on underlying causes, symptoms, and treatment approaches. Group 3 PH is a subtype of PH that arises from lung diseases, such as interstitial lung disease (ILD). ILD describes a large group of diseases that cause progressive damage to the lungs, making it difficult for patients to breathe. Up to 200,000 patients across the U.S. and Europe are living with PH-ILD, a subset of Group 3 PH, and have limited or no approved treatment options. For more information, please visit . ezstandalone.cmd.push(function () { ezstandalone.showAds(134); }); About Mosliciguat Mosliciguat is a potential first-in-class, once-daily, inhaled sGC activator with a differentiated mechanism of action, which may have broad application across the spectrum of pulmonary hypertension (PH). Mosliciguat targets sGC, a key enzyme in the nitric oxide (NO)/cyclic guanosine monophosphate (cGMP) signaling pathway that catalyzes cGMP production. Elevated cGMP levels are known to promote vasodilation, contribute to anti-fibrotic effects, reduce inflammation and apoptosis and reverse vascular remodeling. Unlike sGC stimulators, which require reduced heme and NO to exert their effect, mosliciguat is an sGC activator that is believed to work independently of heme and NO. In the Phase 2 PHocus study, once-daily dosing of inhaled mosliciguat in PH patients was observed to be well tolerated and led to a reduction in pulmonary vascular resistance (PVR) of 56.3%, the highest ever reported PVR reduction in any randomized controlled PH trial. Mosliciguat also improved six-minute walk distance (6MWD) by 35.2 meters at Week 16 (secondary endpoint) and 52.7 meters at Week 24 (exploratory endpoint). Mosliciguat is currently being evaluated in the Phase 3 PHrontier study. For information on the Phase 3 PHrontier study of mosliciguat, please visit PhrontierStudy.com. Investor Conference Call Information Roivant will host a live conference call and webcast at 8:00 a.m. ET on Tuesday, September 8, 2026, to discuss the Phase 2 results for mosliciguat in PH-ILD and Phase 3 initiation. To access the conference call by phone, please register online using this registration link . The presentation and webcast details are available under “Events & Presentations” in the Investors section of the Roivant website at . The archived webcast will be available on Roivant’s website after the conference call. About Pulmovant ezstandalone.cmd.push(function () { ezstandalone.showAds(135); }); Pulmovant is a clinical-stage biotechnology company committed to transforming the lives of patients with pulmonary diseases and is a Roivant (Nasdaq: ROIV) company. Pulmovant’s first investigational candidate, mosliciguat, is designed to provide a novel, once-daily, inhaled treatment option for patients with pulmonary hypertension associated with interstitial lung disease (PH-ILD). Mosliciguat is a potential first-in-class soluble guanylate cyclase activator with a differentiated mechanism of action currently being evaluated in the Phase 3 PHrontier global clinical trial in PH-ILD. For more information, please visit . About Roivant Roivant (Nasdaq: ROIV) is a commercial-stage biopharmaceutical company that aims to improve the lives of patients by accelerating the development and commercialization of medicines that matter. Roivant’s pipeline includes LISRAYA™ (brepocitinib), a potent small molecule inhibitor of JAK1 and TYK2 FDA-approved for the treatment of dermatomyositis in adult patients and also in late-stage development for the treatment of non-infectious uveitis, cutaneous sarcoidosis and lichen planopilaris; IMVT-1402, a fully human monoclonal antibody targeting FcRn in development across several IgG-mediated autoimmune indications; and mosliciguat, an inhaled sGC activator in development for pulmonary hypertension associated with interstitial lung disease. We advance our pipeline by creating nimble subsidiaries or “Vants” to develop and commercialize our medicines and technologies. For more information, visit . Forward-Looking Statements This press release contains forward-looking statements. Statements in this press release may include statements that are not historical facts and are considered forward-looking within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), which are usually identified by the use of words such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “would” and variations of such words or similar expressions. The words may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. We intend these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act and Section 21E of the Exchange Act. Our forward-looking statements include, but are not limited to, statements regarding our or our management team’s expectations, hopes, beliefs, intentions or strategies regarding the future, and statements that are not historical facts, including statements about the clinical and therapeutic potential of our product and product candidates, the availability and success of topline results from our ongoing clinical trials, any commercial potential of our product and product candidates following applicable regulatory approvals and the outcome of any pending litigation. In addition, any statements that refer to projections, forecasts or other characterizations of future events, results or circumstances, including any underlying assumptions, are forward-looking statements. Actual results may differ materially from those contemplated in these statements due to a variety of risks, uncertainties and other factors. Although we believe that our plans, intentions, expectations and strategies as reflected in or suggested by those forward-looking statements are reasonable, we can give no assurance that the plans, intentions, expectations or strategies will be attained or achieved. Furthermore, actual results may differ materially from those described in the forward-looking statements and will be affected by a number of risks, uncertainties and assumptions, including, but not limited to, those risks set forth in the Risk Factors section of our filings with the U.S. Securities and Exchange Commission. Moreover, we operate in a very competitive and rapidly changing environment in which new risks emerge from time to time. These forward-looking statements are based upon the current expectations and beliefs of our management as of the date of this press release, and are subject to certain risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. Except as required by applicable law, we assume no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise. © 2026 Pulmovant, Inc. All Rights Reserved. All trademarks are the property of their respective owners. Contact inquiries@pulmovant.com