One-Time gene therapy aims to halt rare muscle disease
NCT ID NCT06246513
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a single dose of SRP-9003 gene therapy in 17 people with limb girdle muscular dystrophy 2E/R4, a genetic muscle-weakening disease. The goal is to restore a missing protein in muscle cells and improve muscle function. Both walkers and non-walkers can join, and the study is now active but not recruiting.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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17 people
The number who actually took part.
- Started
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Jan 2024
- Expected to finish
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Nov 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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4 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Cohort 1, only ambulatory participants: * Able to walk without assistive aid * 10MWR \<30 seconds * NSAD ≥25 * Cohort 2, only non-ambulatory participants: * 10MWR ≥30 seconds or unable to perform * PUL 2.0 entry scale score ≥3 * Participants must possess 1 homozygous or 2 heterozygous pathogenic and/or likely pathogenic β-SG DNA gene mutations * Able to cooperate with muscle testing * Participants must have adeno-associated virus serotype rh74 (AAVrh74) antibody titers \<1:400 (that is, not elevated) as determined by AAVrh74 antibody enzyme-linked immunosorbent assay. Exclusion Criteria: * Left ventricular ejection fraction \< 40% or clinical signs and/or symptoms of cardiomyopathy * Forced vital capacity ≤40% of predicted value and/or requirement for nocturnal ventilation * Diagnosis of (or ongoing treatment for) an autoimmune disease and on active immunosuppressant treatment * Presence of any other clinically significant illness or medical condition (other than LGMD2E/R4) Other inclusion/exclusion criteria apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Children's Hospital of The King's Daughter
Norfolk, Virginia, 23507, United States
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Fondazione IRCCS Ca Granda Ospedale Maggiore Policlinico
Milan, 20122, Italy
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Hospital Sant Joan de Deu
Barcelona, 8950, Spain
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NMRC Gent (UZ Gent)
Ghent, 9000, Belgium
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Nationwide Childrens Hospital
Columbus, Ohio, 43205, United States
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Newcastle University
Newcastle upon Tyne, NE1 3BZ, United Kingdom
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The Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, 19104, United States
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Universitatsklinikum Essen; Kinderklinik I, Sozialpadiatrisches Zentrum
Essen, North Rhine-Westphalia, 45147, Germany
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University Hospital Leuven (UZ Leuven)
Leuven, Vlaams Brabant, 3000, Belgium
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University of California, San Diego-Altman Clinical and Translational Research Institute
La Jolla, California, 92037, United States
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Other studies related to the condition(s) this trial covers.
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- Experimental gene therapy targets rare muscle disease in first human test
- New study maps key tests for LGMD to speed up drug development