{"id":1001030,"date":"2026-09-08T07:09:12","date_gmt":"2026-09-08T11:09:12","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\/"},"modified":"2026-09-08T07:09:12","modified_gmt":"2026-09-08T11:09:12","slug":"monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\/","title":{"rendered":"Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391)"},"content":{"rendered":"
\n

\n Phase 2 study to be conducted in participants with Sj\u00f6gren\u2019s disease<\/em>\n <\/p>\n

\n Novartis conducting study under global exclusive development and commercialization license agreement with Monte Rosa<\/em>\n <\/p>\n

\n Monte Rosa to receive milestone payment based on first patient visit of Phase 2 clinical study <\/em>\n <\/p>\n

\n Additional studies expected to evaluate the potential of MRT-6160 (DDY391) across\u00a0immune-mediated diseases; Monte Rosa eligible for additional Phase 2 study initiation milestones <\/em>\n <\/p>\n

BOSTON, Sept. 08, 2026 (GLOBE NEWSWIRE) — Monte Rosa Therapeutics, Inc.<\/u><\/a> (Nasdaq: GLUE), a clinical-stage biotechnology company developing novel molecular glue degrader (MGD)-based medicines, today announced that its collaborator Novartis has initiated a Phase 2 clinical study for the VAV1-directed MGD MRT-6160 (DDY391) in people living with Sj\u00f6gren\u2019s disease (SjD), the second most prevalent rheumatic autoimmune disease1<\/sup>. This study is the first of several studies expected for MRT-6160 (DDY391) and part of a global exclusive development and commercialization license agreement between Monte Rosa and Novartis to advance VAV1 MGDs including MRT-6160 (DDY391). In connection with the first patient visit of the study, Monte Rosa will receive a $50 million milestone payment from Novartis.<\/p>\n

\u201cWe are very pleased that Novartis is advancing MRT-6160 into clinical development for Sj\u00f6gren\u2019s disease by launching a global Phase 2 study,\u201d said Markus Warmuth, M.D., Chief Executive Officer of Monte Rosa Therapeutics. \u201cSj\u00f6gren\u2019s disease is not only an area of high unmet medical need, but also an indication driven by both pathogenic autoimmune T cells and B cells and so well-aligned with the biological effects of a VAV1-directed MGD. We believe this milestone reflects the strong progress being made in the program, and further validates the potential of our QuEEN\u2122 product engine to address disease-driving proteins that have long been considered undruggable. We look forward to the continued development of MRT-6160, and to building on the momentum across our partnered and wholly owned pipeline as we work to bring meaningful new therapeutic options to patients.\u201d<\/p>\n

This study is a Phase 2a\/b, randomized, double-blind, placebo-controlled, multi-center trial to evaluate efficacy, safety, and tolerability of up to 52 weeks of treatment with MRT-6160 (DDY391) in participants with Sj\u00f6gren’s disease, to support dose selection for Phase 3. More information about the study, \u201cA Phase 2a\/b Study to Assess the Efficacy, Safety and Tolerability of DDY391 in Participants With Sj\u00f6gren’s Disease,\u201d can be found at ClinicalTrials.gov, study identifier: NCT07737743.<\/p>\n

MRT-6160 (DDY391) is a potent, highly selective, and orally bioavailable investigational molecular glue degrader of VAV1, a key signaling protein downstream of both the T- and B-cell receptors. Available preclinical and clinical data support the potential of MRT-6160 (DDY391) to address multiple immune-mediated diseases. In a Phase 1 study, MRT-6160 (DDY391) demonstrated sustained, dose-dependent VAV1 degradation of greater than 90% in peripheral blood T cells after single and multiple-dose administration, as well as suppression of key inflammatory biomarkers. The administration of MRT-6160 (DDY391) was generally well tolerated, with no serious adverse effects observed.\u00a0<\/p>\n

\n About Sj\u00f6gren\u2019s Disease <\/strong>
\n
Sj\u00f6gren\u2019s disease is a serious, progressive, autoimmune disease that affects approximately 0.25% of the population2<\/sup> and impacts multiple organs, causing a wide spectrum of symptoms such as dryness, fatigue, pain, and an increased risk of lymphoma, which can carry a significant burden and impact on quality of life3<\/sup>,4<\/sup>. Its heterogeneous nature often causes it to go unrecognized or misdiagnosed5<\/sup>. It is estimated that 50% of people with Sj\u00f6gren\u2019s disease are undiagnosed6<\/sup>.<\/p>\n

\n Novartis Agreement Details <\/strong>
\n
Monte Rosa has\u00a0a global exclusive development and commercialization license agreement<\/a> with Novartis to advance VAV1-directed MGDs, including MRT-6160. Under the terms of the agreement, Novartis has exclusive worldwide rights to develop, manufacture and commercialize MRT-6160 and other VAV1 MGDs and is responsible for all clinical development and commercialization, starting with Phase 2 clinical studies. Monte Rosa is eligible to receive up to $2.1 billion in development, regulatory, and sales milestones, beginning upon initiation of Phase 2 studies. Novartis is responsible for conducting and funding Phase 2 studies. Monte Rosa will co-fund any Phase 3 clinical development and will share 30% of any profits and losses associated with the manufacturing and commercialization of MRT-6160 in the U.S., and is also eligible for tiered royalties on ex-U.S. net sales.<\/p>\n

\n About Monte Rosa<\/strong>
\n
Monte Rosa Therapeutics is a clinical-stage biotechnology company developing highly selective molecular glue degrader (MGD) medicines for patients living with serious diseases. MGDs are small molecule protein degraders that have the potential to treat many diseases that other modalities, including other degraders, cannot. Monte Rosa\u2019s QuEEN\u2122 (Quantitative and Engineered Elimination of Neosubstrates) discovery engine combines AI-guided chemistry, diverse chemical libraries, structural biology, and proteomics to rationally design MGDs with unprecedented selectivity. Monte Rosa has developed the industry\u2019s leading pipeline of first-in-class and only-in-class MGDs, spanning autoimmune and inflammatory diseases, oncology, and beyond, with three programs in the clinic. Monte Rosa has ongoing collaborations with leading pharmaceutical companies in the areas of immunology, oncology, and neurology. For more information, visit www.monterosatx.com<\/a>.<\/p>\n

\n References<\/strong>\n <\/p>\n

    \n
  1. National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Board on Health Care Services; Committee on Selected Immune Disorders and Disability. Sj\u00f6gren\u2019s Disease\/Syndrome. [Last accessed: December 2025] https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK584486\/<\/li>\n
  2. Conrad N, et al. Incidence, prevalence, and co-occurrence of autoimmune disorders over time and by age, sex, and socioeconomic status: a population-based cohort study of 22 million individuals in the UK.\u00a0Lancet.\u00a02023;401(10391):1878\u20131890<\/li>\n
  3. Negrini S, et al. Sj\u00f6gren\u2019s syndrome: a systemic autoimmune disease.\u00a0Clin Exp Med. 2022; 22(1):9\u201325\u00a0<\/li>\n
  4. Mariette X, Criswell LA. Primary Sj\u00f6gren\u2019s symptoms. N Engl J Med. 2018;378:931\u2013939<\/li>\n
  5. Gairy K, et al. Burden of illness among subgroups of patients with primary Sj\u00f6gren\u2019s syndrome and systemic involvement.\u00a0Rheumatology. 2021; 60(4):1871\u2013188<\/li>\n
  6. Narv\u00e1ez J, et al. Prevalence of Sj\u00f6gren\u2019s syndrome in the general adult population in Spain: estimating the proportion of undiagnosed cases. Sci Rep. 2020;10(1):10627<\/li>\n<\/ol>\n

    \n Forward-Looking Statements <\/strong>
    \n
    This communication includes express and implied \u201cforward-looking statements,\u201d including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include all statements that are not historical facts and in some cases, can be identified by terms such as \u201cmay,\u201d \u201cmight,\u201d \u201cwill,\u201d \u201ccould,\u201d \u201cwould,\u201d \u201cshould,\u201d \u201cexpect,\u201d \u201cintend,\u201d \u201cplan,\u201d \u201cobjective,\u201d \u201canticipate,\u201d \u201cbelieve,\u201d \u201cestimate,\u201d \u201cpredict,\u201d \u201cpotential,\u201d \u201ccontinue,\u201d \u201congoing,\u201d or the negative of these terms, or other comparable terminology intended to identify statements about the future. Forward-looking statements contained herein include, but are not limited to, statements about the ongoing development of our VAV1-directed MGD, referred to as DDY391 (formerly designated MRT-6160), including the Phase 2 clinical study in participants with Sj\u00f6gren\u2019s disease being conducted by Novartis, our expectations regarding the potential of DDY391 to address multiple immune-mediated diseases, statements regarding additional Phase 2 studies expected to evaluate DDY391 across immune-mediated diseases and associated milestone payments, statements about Monte Rosa\u2019s eligibility to receive milestone payments from Novartis, including upon initiation of Phase 2 studies, and up to $2.1 billion in development, regulatory, and sales milestones, statements regarding the global exclusive development and commercialization license agreement with Novartis, statements about the potential of our QuEEN\u2122 discovery engine to address disease-driving proteins that have long been considered undruggable, statements around the advancement and application of our pipeline, including our partnered and wholly owned programs, our ability to optimize collaborations with industry partners on our development programs, and our expectations of success for our programs and the strength of our financial position, among others. By their nature, these statements are subject to numerous risks and uncertainties, including those risks and uncertainties set forth in our most recent Annual Report on Form 10-K for the year ended December 31, 2025, filed with the U.S. Securities and Exchange Commission on March 17, 2026, and any subsequent filings, that could cause actual results, performance or achievement to differ materially and adversely from those anticipated or implied in the statements. You should not rely upon forward-looking statements as predictions of future events. Although our management believes that the expectations reflected in our statements are reasonable, we cannot guarantee that the future results, performance, or events and circumstances described in the forward-looking statements will be achieved or occur. Recipients are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date such statements are made and should not be construed as statements of fact. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, any future presentations, or otherwise, except as required by applicable law. Certain information contained in these materials and any statements made orally during any presentation of these materials that relate to the materials or are based on studies, publications, surveys and other data obtained from third-party sources and our own internal estimates and research. While we believe these third-party studies, publications, surveys and other data to be reliable as of the date of these materials, we have not independently verified, and make no representations as to the adequacy, fairness, accuracy or completeness of, any information obtained from third-party sources. In addition, no independent source has evaluated the reasonableness or accuracy of our internal estimates or research and no reliance should be made on any information or statements made in these materials relating to or based on such internal estimates and research.<\/p>\n

    \n Investors<\/strong>
    \n
    Andrew Funderburk
    ir@monterosatx.com<\/u><\/a><\/p>\n

    \n Media<\/strong>
    \n
    Cory Tromblee, Scient PR
    media@monterosatx.com<\/a><\/p>\n

    \"\"
    \n
    \n \"\"\n <\/div>\n

    <\/div>\n","protected":false},"excerpt":{"rendered":"

    Phase 2 study to be conducted in participants with Sj\u00f6gren\u2019s disease Novartis conducting study under global exclusive development and commercialization license agreement with Monte Rosa Monte Rosa to receive milestone payment based on first patient visit of Phase 2 clinical study Additional studies expected to evaluate the potential of MRT-6160 (DDY391) across\u00a0immune-mediated diseases; Monte Rosa eligible for additional Phase 2 study initiation milestones BOSTON, Sept. 08, 2026 (GLOBE NEWSWIRE) — Monte Rosa Therapeutics, Inc. (Nasdaq: GLUE), a clinical-stage biotechnology company developing novel molecular glue degrader (MGD)-based medicines, today announced that its collaborator Novartis has initiated a Phase 2 clinical study for the VAV1-directed MGD MRT-6160 (DDY391) in people living with Sj\u00f6gren\u2019s disease (SjD), the second most prevalent rheumatic autoimmune disease1. … <\/p>\n

    Continue reading “Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391)”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1001030","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\nMonte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391) - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391) - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"Phase 2 study to be conducted in participants with Sj\u00f6gren\u2019s disease Novartis conducting study under global exclusive development and commercialization license agreement with Monte Rosa Monte Rosa to receive milestone payment based on first patient visit of Phase 2 clinical study Additional studies expected to evaluate the potential of MRT-6160 (DDY391) across\u00a0immune-mediated diseases; Monte Rosa eligible for additional Phase 2 study initiation milestones BOSTON, Sept. 08, 2026 (GLOBE NEWSWIRE) — Monte Rosa Therapeutics, Inc. (Nasdaq: GLUE), a clinical-stage biotechnology company developing novel molecular glue degrader (MGD)-based medicines, today announced that its collaborator Novartis has initiated a Phase 2 clinical study for the VAV1-directed MGD MRT-6160 (DDY391) in people living with Sj\u00f6gren\u2019s disease (SjD), the second most prevalent rheumatic autoimmune disease1. … Continue reading "Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391)"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-08T11:09:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTgyMTcyNyM3ODE4ODgxIzIyMDk1NDU=\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391)\",\"datePublished\":\"2026-09-08T11:09:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/\"},\"wordCount\":1557,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.globenewswire.com\\\/newsroom\\\/ti?nf=OTgyMTcyNyM3ODE4ODgxIzIyMDk1NDU=\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/monte-rosa-therapeutics-announces-milestone-achievement-associated-with-initiation-of-phase-2-clinical-study-for-vav1-directed-molecular-glue-degrader-mrt-6160-ddy391\\\/\",\"name\":\"Monte Rosa Therapeutics Announces Milestone Achievement Associated with Initiation of Phase 2 Clinical Study for VAV1-directed Molecular Glue Degrader MRT-6160 (DDY391) - 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