DelveInsight’s “Multiple System Atrophy Market Insights, Epidemiology, and Market Forecast-2036” report delivers an in-depth understanding of the Multiple System Atrophy, historical and forecasted epidemiology as well as the Multiple System Atrophy market trends in the United States, EU4 (Germany, France, Italy, and Spain), the United Kingdom, and Japan.
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Key Takeaways from the Multiple System Atrophy Market Report
- In March 2026, Lundbeck announced ahead-of-schedule completion of patient randomization in the Phase III MASCOT trial of amlenetug for MSA, with results expected in Q3 2027 and potential launch in Q1 2029.
- In December 2025, Lundbeck announced it will showcase the design of its Phase 3 MASCOT trial at the 2025 International Congress of Parkinson’s Disease and Movement Disorders. The trial evaluates amlenetug, an investigational monoclonal antibody targeting alpha-synuclein, for the treatment of Multiple System Atrophy (MSA). MSA is a rare, aggressive neurodegenerative disorder with no current disease-modifying treatments. The MASCOT study aims to determine if amlenetug can slow disease progression by preventing the aggregation of toxic proteins in the brain. This presentation will provide the medical community with key insights into the study’s methodology and its potential impact on MSA patients.
- In December 2025,Asklepios BioPharmaceutical (AskBio), a subsidiary of Bayer, has completed enrollment for its Phase 1 clinical trial of AB-1005 for Multiple System Atrophy-Parkinsonian type (MSA-P). AB-1005 is an investigational gene therapy that uses an AAV2 vector to deliver the GDNF gene directly to the brain. This approach is intended to support the survival of neurons and potentially slow the progression of the disease. The study focuses on the safety and tolerability of the surgical delivery method. This milestone is a critical step in determining if gene therapy can offer a neuroprotective benefit for patients with this rapidly progressing condition.
- In December 2025, Teva Pharmaceutical Industries announced that the U.S. FDA has granted Fast Track Designation to emrusolmin for the treatment of Multiple System Atrophy (MSA). Emrusolmin is an oral small molecule designed to inhibit the aggregation of alpha-synuclein, a key driver of MSA pathology. Fast Track status is intended to expedite the development and review of drugs for serious conditions with unmet medical needs. This designation allows Teva to have more frequent interactions with the FDA and potentially qualify for Priority Review. The news marks a significant advancement in the effort to bring a disease-modifying therapy to the MSA community.
- In September 2025, Teva Pharmaceutical (NYSE:TEVA) announced that its investigational MSA treatment, emrusolmin, received Fast Track designation from the U.S. FDA. The drug is currently in Phase 2 development for Multiple System Atrophy.
- In August 2025, Tiziana Life Sciences received FDA clearance of its IND for a Phase 2a trial of intranasal foralumab in patients with Multiple System Atrophy (MSA), a rare neurodegenerative disease with no approved therapies. The six-month open-label study will evaluate microglial activation, clinical outcomes, and safety of the fully human anti-CD3 monoclonal antibody delivered via nasal spray.
- In July 2025, NKGen Biotech received FDA authorization for an Expanded Access Program (EAP) to use its NK cell therapy, troculeucel, in multiple neurodegenerative diseases—including Alzheimer’s, Parkinson’s, ALS, MSA, PSP, FTD, CBD, MS, and Lewy Body Dementia—beyond its current Phase 2a trial in moderate-stage Alzheimer’s disease.
- In May 2025, Alterity Therapeutics announced that the FDA has granted Fast Track designation for ATH434, its investigational treatment for Multiple System Atrophy (MSA). This designation aims to expedite the development and review of ATH434, recognizing its potential to address the significant unmet need in MSA, a condition currently without an approved therapy.
- In February 2025, Alterity Therapeutics’ ATH434 showed promising Phase 2 results in a randomized, double-blind trial for early-stage multiple system atrophy (Multiple System Atrophy). The treatment, particularly at a 50 mg dose, was well-tolerated and demonstrated both clinical and biomarker-based benefits.
- In 2025, the diagnosed prevalent cases of MSA are predicted to be approximately 72,000 in the leading markets (the United States, EU4, the United Kingdom, and Japan), projected to increase through 2036.
- According to DelveInsight’s analysis, in 2025, the US had the highest number of diagnosed prevalent cases of MSA among the 7MM, with more than 43,000 cases, followed by Japan with nearly 17,000 cases.
- MSA is divided into six stages: Stage 0, Stage 1, Stage 2, Stage 3, Stage 4, and Stage 5. In 2025, Stage 3 had the highest diagnosed prevalence, with around 4,000 cases reported in EU4 and the UK.
- In the UK, the 70 years and above age group reported the highest number of MSA around 1,200 cases in 2025, surpassing other age groups such as 50–59 and 60–69, with projections indicating an increase by 2036.
- The leading Multiple System Atrophy Companies such as Teva Pharmaceutical, MODAG GmbH, Theravance Biopharma, H. Lundbeck A/S, Genmab, Deciphera Pharmaceuticals, ONO PHARMA, Asklepios BioPharmaceutical, Brain Neurotherapy Bio, Inc., Ionis Pharmaceuticals, Inc., Biogen, Alterity Therapeutics, and others.
- Promising Multiple System Atrophy Therapies such as Amlenetug (Lu AF82422), Ampreloxetine (TD-9855), Emrusolmin (TEV-56286, Anle-138b), TAK-341/MEDI1341, ATH434, ONO-2808, and others.
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Multiple System Atrophy Epidemiology Segmentation in the 7MM
- Diagnosed Prevalent Cases of Multiple System Atrophy
- Gender-specific Diagnosed Prevalent Cases of Multiple System Atrophy
- Age-specific Diagnosed Prevalent Cases of Multiple System Atrophy
- Type-specific Diagnosed Prevalent Cases of Multiple System Atrophy
- Stage-specific Diagnosed Prevalent Cases of Multiple System Atrophy
- nOH Symptomatic Cases of Multiple System Atrophy
Download the report to understand which factors are driving Multiple System Atrophy Epidemiology trends @ Multiple System Atrophy Prevalence
Marketed Multiple System Atrophy Therapies Currently, there are no approved disease-modifying therapies to slow Multiple System Atrophy’s neurodegeneration. Symptom management options include levodopa, amantadine, droxidopa, adrenergic receptor agonists, and various off-label therapies that provide relief and help patients cope with the disease’s effects. Northera (droxidopa) is commonly prescribed for neurogenic orthostatic hypotension (nOH), a common Multiple System Atrophy symptom. Approved in 2014, northera addresses nOH but lost market exclusivity in 2021.
Emerging Multiple System Atrophy Therapies
- Amlenetug (Lu AF82422): H. Lundbeck A/S/Genmab Amlenetug (Lu AF82422) is a human IgG1 monoclonal antibody targeting extracellular α-synuclein to block aggregation and enhance microglial clearance, developed by Lundbeck in collaboration with Genmab. In March 2026, Lundbeck announced ahead-of-schedule completion of patient randomization in the Phase III MASCOT trial of amlenetug for MSA, with results expected in Q3 2027 and potential launch in Q1 2029.
- Ampreloxetine (TD-9855): Theravance Biopharma Ampreloxetine is a norepinephrine reuptake inhibitor (NRI) and serotonin (5-HT) uptake inhibitor for symptomatic neurogenic orthostatic hypotension in Multiple System Atrophy. It is currently in Phase III trials with ODD status.
- Emrusolmin (TEV-56286, Anle-138b): Teva Pharmaceutical/MODAG GmbH Emrusolmin, also known as anle138b, is a small molecule designed to specifically target toxic oligomeric structures of alpha-synuclein, the primary aggregating protein involved in neurodegenerative disorders. By binding to these toxic oligomers, anle138b dissolves them and prevents the formation of new ones, addressing the underlying cause of the disease. It is orally administered, crosses the blood-brain barrier, and received orphan drug designation for Multiple System Atrophy. In December 2025, Teva Pharmaceutical Industries announced that the U.S. FDA has granted Fast Track Designation to emrusolmin for the treatment of Multiple System Atrophy.
To know more about Multiple System Atrophy treatment guidelines, visit @ Multiple System Atrophy Treatment Market Landscape
Multiple System Atrophy Therapies and Companies
- Amlenetug (Lu AF82422): H. Lundbeck A/S/Genmab
- Ampreloxetine (TD-9855): Theravance Biopharma
- Emrusolmin (TEV-56286, Anle-138b): Teva Pharmaceutical/MODAG GmbH
- ATH434: Alterity Therapeutics
- TAK-341/MEDI1341: AstraZeneca/Takeda Pharma
- ONO-2808: Deciphera Pharmaceuticals/ONO PHARMA
- AB-1005: Asklepios BioPharmaceutical
Multiple System Atrophy Market Dynamics The Multiple System Atrophy market dynamics have undergone significant changes over the years. The aging population is a significant driver, as MSA typically begins after age 30 and prevalence increases with age. The growing patient pool creates demand for effective therapies. With limited FDA-approved disease-modifying treatments currently available, the field presents a significant opportunity for innovation. Existing options provide limited relief, highlighting a clear pathway for novel, targeted therapies to transform patient outcomes. The rapid progression, severe morbidity, and shortened life expectancy of the disease lead to poor patient outcomes, profoundly affecting the quality of life for individuals and their caregivers. Emerging therapies, such as monoclonal antibodies and small molecules, including amlenetug, ampreloxetine, and ATH434, among others offer advanced immune-modulating approaches with potential to reshape the treatment landscape.
Learn more about the emerging therapies for Multiple System Atrophy @ Drugs for Multiple System Atrophy Treatment
Scope of the Multiple System Atrophy Market Report
- Coverage- 7MM
- Study Period- 2022-2036
- Multiple System Atrophy Companies- Teva Pharmaceutical, MODAG GmbH, Theravance Biopharma, H. Lundbeck A/S, Genmab, Deciphera Pharmaceuticals, ONO PHARMA, Asklepios BioPharmaceutical, Brain Neurotherapy Bio, Inc., Ionis Pharmaceuticals, Inc., Biogen, Alterity Therapeutics, and others
- Multiple System Atrophy Therapies- Amlenetug (Lu AF82422), Ampreloxetine (TD-9855), Emrusolmin (TEV-56286, Anle-138b), TAK-341/MEDI1341, ATH434, ONO-2808, and others
- Multiple System Atrophy Unmet Needs, KOL’s views, Analyst’s views, Multiple System Atrophy Market Access and Reimbursement
Table of Content
- Key Insights
- Report Introduction
- MSA Market Overview at a Glance
- Epidemiology and Market Forecast Methodology
- Key Events
- Executive Summary
- Disease Background and Overview: MSA
- Patient Journey
- Epidemiology and Patient Population
- Emerging Drugs
- MSA: Seven Major Market Analysis
- KOL Opinion Leaders’ Views
- SWOT Analysis
- Unmet Needs
- Market Access and Reimbursement
- Appendix
- Report Methodology
- DelveInsight Capabilities
- Disclaimer
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