Comparing a new treatment with standard care for Duchenne Muscular Dystrophy

A Long-term Multicenter Prospective Observational Study Evaluating the Comparative Effectiveness and Safety of Sarepta Gene Transfer Therapy vs. Standard of Care in Participants With Duchenne Muscular Dystrophy Under Conditions of Routine Clinical Practice

Observational Sarepta Therapeutics, Inc. · NCT06270719

This study is testing a new treatment for Duchenne Muscular Dystrophy to see if it works better than the usual glucocorticoid therapy for both walking and non-walking patients.

Quick facts

Study typeObservational
Enrollment500 (estimated)
Ages4 Years and up
SexMale
SponsorSarepta Therapeutics, Inc. Industry-sponsored
Locations15 sites (Little Rock, Arkansas and 14 other locations)
Trial IDNCT06270719 on ClinicalTrials.gov

What this trial studies

This observational study collects data on treatment outcomes for Duchenne Muscular Dystrophy (DMD) patients receiving delandistrogene moxeparvovec compared to those on standard glucocorticoid therapy. It is a multicenter study conducted in the United States, focusing on both medical history and prospective data. Participants include both ambulatory and non-ambulatory individuals diagnosed with DMD, who are either starting the new treatment or are on standard care.

Who should consider this trial

Good fit: Ideal candidates are individuals aged 4 years and older with a confirmed diagnosis of DMD who are either starting delandistrogene moxeparvovec or are on chronic glucocorticoid therapy.

Not a fit: Patients with specific genetic deletions in the DMD gene or those currently participating in other interventional studies may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into the effectiveness of delandistrogene moxeparvovec compared to traditional treatments for DMD.

How similar studies have performed: Other studies have explored gene therapies for DMD, but this specific observational approach comparing delandistrogene moxeparvovec to standard care is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Has a definitive diagnosis of DMD prior to Screening based on documentation of clinical findings and confirmatory genetic testing.
* Is currently receiving or has been prescribed to start chronic glucocorticoid therapy at the time of this observational study enrollment.

A participant recruited to Cohorts 1a or 2:

* Is at least 4 years of age at the time of enrollment.
* Is ambulatory per protocol specified criteria.

A participant recruited to Cohort 1b:

- Is non-ambulatory per protocol-specified criteria.

For Delandistrogene Moxeparvovec-treated Participants:

- Will be initiating usual care treatment with delandistrogene moxeparvovec at the time of study enrollment.

For Comparators:

- Is unexposed to DMD gene therapy at the time of study enrollment.

Exclusion Criteria:

* Has any deletion of exon 8 and/or exon 9 in the DMD gene.
* Is currently participating in any DMD interventional study at the time of this observational study enrollment.
* Has a medical condition or confounding circumstances (for example, prior traumatic limitation for mobility or significant behavioral comorbidity) that, in the opinion of the Investigator, might compromise:

  * The participant's ability to comply with the protocol-required procedures,
  * The participant's wellbeing or safety, and/or
  * The clinical interpretability of the data collected from the participant.

Other inclusion/exclusion criteria may apply.

Where this trial is running

Little Rock, Arkansas and 14 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Duchenne Muscular DystrophyDMDObservationalStandard of CarePhase 4
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.