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Duchenne muscular dystrophy (DMD) is a severe neuromuscular condition characterized by progressive weakening and wasting of skeletal and cardiac muscle. It results from variants in the DMD gene, which encodes a protein essential for muscle cell integrity. DMD primarily affects males and is inherited in an X-linked pattern, though female carriers may also experience symptoms. The condition is uncommon, with birth prevalence estimated at 1 to 9 per 100,000. This summary reflects clinical data available as of May 18, 2026.
DMD is caused by variants in the DMD gene and follows an X-linked recessive inheritance pattern. Males who inherit one altered copy are typically affected, while females who carry one altered copy on one X chromosome may experience mild symptoms due to variable X-inactivation. Each son of a carrier female has a 50% chance of being affected; each daughter has a 50% chance of being a carrier. Female carriers should discuss cardiac monitoring and other health considerations with their healthcare provider. Genetic counseling is strongly recommended for all families.
Diagnosis is confirmed through molecular genetic testing identifying pathogenic variants in the DMD gene, including sequence analysis and deletion or duplication testing. Elevated serum creatine kinase concentration is a characteristic biomarker frequently detected before or alongside genetic testing. Clinical evaluation includes assessment of motor development, muscle strength, and family history. Because many of these features can overlap with other neuromuscular conditions, molecular genetic testing is essential to confirm the diagnosis and distinguish DMD from similar presentations.
Several FDA-approved therapies are available for DMD. Corticosteroid-based treatments, including deflazacort (EMFLAZA) and vamorolone (AGAMREE), help maintain muscle function and slow progression and are foundational for most patients. Givinostat (DUVYZAT) is also FDA-approved. Exon-skipping therapy casimersen (AMONDYS 45) targets a specific genetic mutation subset. The gene therapy delandistrogene moxeparvovec-rokl (ELEVIDYS) is FDA-approved with specific eligibility criteria. Multidisciplinary care involving neurology, cardiology, pulmonology, and physical therapy is essential. Patients should discuss options with their care team to determine which therapies suit their individual situation.
132 trials found
The course of DMD is variable and depends on individual factors including the specific genetic variant, access to specialized care, and response to treatment. Progressive muscle weakness typically leads to loss of independent ambulation over time, followed by increasing respiratory and cardiac involvement. With current standards of care, including corticosteroids and respiratory support, outcomes have improved for many individuals. Cardiac and pulmonary complications are important long-term considerations. Outcomes continue to evolve as new therapies become available, and individuals diagnosed today may experience a different trajectory than those diagnosed in earlier decades.
DMD is an active area of research with numerous ongoing clinical trials investigating new treatment approaches, including novel gene therapies, exon-skipping strategies, and other investigational agents. This breadth of research activity reflects the significant scientific investment in improving outcomes for affected individuals and families. Individuals interested in participating in clinical trials can search ClinicalTrials.gov or speak with their care team about eligibility and available studies.
Data assembled from 9 of 12 sources · Last updated Nov 4, 2026, 3:00 PM UTC
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Online Mendelian Inheritance in Man
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AI-curated news mentioning Duchenne muscular dystrophy
Updated Nov 3, 2026
The FDA is slated to decide on approving Capricor’s drug for the treatment of Duchenne muscular dystrophy by November 22. HomeNewsMarketsEquityCAPR Stock Rises As Clinical Trial Investigators Write To FDA Urging Approval For Deramiocel · Advertisement|Remove ads. The FDA is slated to decide on approving Capricor’s drug for the treatment of Duchenne muscular dystrophy by November 22. In this photo illustration, the lCapricor Therapeutics logo is seen displayed on the screen of a tablet. No approved therapy has shown efficacy in this population, the investigators noted. They pointed to preserved upper-limb function in the trial, or the ability to self-feed, bring a hand to the mouth, or operate a powered wheelchair or communication device, as meaningful improvement. The group also referenced the FDA’s Rare Disease Framework Initiative, which encourages flexibility and consistency when reviewing therapies for small patient populations, and noted that all the physicians involved in the trial believe it would be “unethical” to proceed with another trial to prove efficacy, given existing data. Shares of Capricor Therapeutics (CAPR) climbed roughly 14% on Tuesday as a public letter from clinical investigators added momentum ahead of a pivotal regulatory decision on the company’s therapy Deramiocel. The FDA is slated to decide on approving the drug for the treatment of Duchenne muscular dystrophy by November 22. Duchenne muscular dystrophy (DMD) is a rare, inherited genetic disorder that causes progressive muscle degeneration and weakness that presents predominantly in young boys. The company resubmitted the application earlier this year with late-stage HOPE-3 trial data, and the agency said it will decide on the application by August 22. However, an advisory committee met at the end of July and voted 9–3 that the evidence did not support effectiveness for cardiomyopathy. Advertisement|Remove ads. Capricor then submitted additional 24-month clinical data analyses from the HOPE-3 trial and asked FDA to consider a refined label built on the trial’s primary endpoint—preservation of upper-limb function—rather than cardiomyopathy.
This week’s news roundup covers the upcoming Drug Discovery Innovators & Investors Conference in London, as well as new initiatives to accelerate rare disease drug development, promising preclinical data for Duchenne muscular dystrophy, clinical trial progress in advanced Parkinson’s disease, ... This week’s news roundup covers the upcoming Drug Discovery Innovators & Investors Conference in London, as well as new initiatives to accelerate rare disease drug development, promising preclinical data for Duchenne muscular dystrophy, clinical trial progress in advanced Parkinson’s disease, and a potential new drug target for breast cancer. The DDW Fall 2026 issue examines precision therapies for Parkinson's Disease, what the resurgence of neuroscience means for drug discovery and why cancer vaccines depend on DNA synthesis. Other features in the Fall issue include: From investment to innovation - why we've launched a new event series The three generations of obesity medications Rethinking paediatric oncology treatments Read More ScionxBio, a preclinical-stage biotechnology company developing next-generation mRNA therapeutics, has entered into a worldwide strategic collaboration and licensing agreement with Sanofi to develop and commercialise extended exposure versions of certain Sanofi mRNA candidates by leveraging ScionxBio’s AI-driven platform. Cancer Research Immunology / Virology & Vaccines Advanced Therapies Neuroscience Multiomics Artificial Intelligence Automation & Robotics Therapeutic Antibodies Microbiome Drug Discovery Cell Science
A phase 1/2 trial of delpacibart zotadirsen shows promising safety and efficacy for treating Duchenne muscular dystrophy mutations that are amenable to exon 44 skipping. This randomized, placebo-controlled study provides critical insights into potential therapeutic options for this rare disease.
Solid Biosciences Inc is a ... with rare diseases. The company’s research platform is centered on adeno-associated virus (AAV) gene therapy and other genetic medicine technologies intended to address the underlying causes of disease. Solid Biosciences’ lead program is SGT-003, an investigational gene therapy being developed for Duchenne muscular dystrophy, a severe inherited neuromuscular disorder... Solid Biosciences Inc is a biotechnology company focused on developing genetic medicines for patients with rare diseases. The company’s research platform is centered on adeno-associated virus (AAV) gene therapy and other genetic medicine technologies intended to address the underlying causes of disease. Solid Biosciences’ lead program is SGT-003, an investigational gene therapy being developed for Duchenne muscular dystrophy, a severe inherited neuromuscular disorder. Solid Biosciences Inc. (NASDAQ:SLDB – Get Free Report) has received a consensus rating of “Moderate Buy” from the thirteen analysts that are covering the company, Marketbeat Ratings reports. One research analyst has rated the stock with a sell recommendation and twelve have issued a buy recommendation on the company. Celldex Therapeutics, Inc.
Jefferies analysts made the prediction after Sarepta Therapeutics, which has endured nothing short of a saga with the Duchenne muscular dystrophy gene therapy Elevidys, presented data this week showing its clinically meaningful benefit in older patients who are able to walk.