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Gene therapy trial targets duchenne in toddlers

NCT ID NCT06128564

Disease control Sponsor: Hoffmann-La Roche Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Sep 10, 2026 · Updated 5 times

Summary

This study tests a gene therapy called delandistrogene moxeparvovec in 13 children under age 4 with Duchenne muscular dystrophy. The goal is to see if it is safe and can help produce a key muscle protein. The children will be followed for about 5 years.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
delandistrogene moxeparvovec (gene therapy)
What this could lead to
If it works, this could slow muscle damage and delay disability in very young children with Duchenne muscular dystrophy.
What could go wrong
This is a small, early-phase study focused on safety, not proof of benefit. Gene therapy carries risks like immune reactions, and long-term effects are unknown.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

13 people

The number who actually took part.

Started

Nov 2023

Expected to finish

Feb 2030

An estimate. End dates often move.

Lead sponsor

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

2 to 3 years

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Cohort A: \>=3 years of age to \<4 years of age * Cohort B: \>=2 years of age to \<3 years of age * Has a definitive diagnosis of DMD prior to screening based on documentation of clinical findings and prior confirmatory genetic testing using a clinical diagnostic genetic test * Able to cooperate with age-appropriate motor assessment testing * A pathogenic frameshift mutation or premature stop codon contained between exons 18 and 79 (inclusive) Exclusion Criteria: * Exposure to gene therapy, investigational medication, or any treatment designed to increase dystrophin expression, within protocol-specified time limits * Recombinant Adeno-Associated Virus Serotype rh74 (rAArh74) antibody titers are elevated, as per protocol-specified criteria * Receiving regular oral corticosteroids as a treatment for DMD or planning to receive oral corticosteroids as a treatment for DMD within 1 year of baseline * Presence of any other clinically significant illness, medical condition, or requirement for chronic drug treatment that in the opinion of the Investigator creates unnecessary risk for gene transfer * Medical condition or extenuating circumstance that, in the opinion of the investigator, might compromise the participant's ability to comply with the protocol required testing or procedures, or compromise the participant's well-being or safety, or clinical interpretability Other inclusion or exclusion criteria could apply

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Conditions

The condition(s) this trial relates to.

Duchenne muscular dystrophy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Duchenne muscular dystrophy

Contacts and locations

Locations

  • Chr de La Citadelle

    Liège, 3500, Belgium

  • Great Ormond Street Hospital for Children

    London, WC1N 3JH, United Kingdom

  • Hospital Sant Joan De Deu

    Esplugues de Llobregas, Barcelona, 08950, Spain

  • Hôpital Necker-Enfants Malades

    Paris, 75015, France

  • John Radcliffe Hospital

    Oxford, OX3 9DU, United Kingdom

  • PU A. Gemelli, Università Cattolica del Sacro Cuore

    Rome, Lazio, 00168, Italy

  • Universitätsklinikum Essen

    Essen, 45147, Germany

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