NCT06138639

A Phase 1/2, Multicenter, Open-Label Study to Investigate the Safety, Tolerability, and Efficacy of a Single Intravenous Dose of SGT-003 in Males With Duchenne Muscular Dystrophy (INSPIRE DUCHENNE)

Study Summary

This is a multicenter, open-label, non-randomized study to investigate the safety, tolerability, and efficacy of a single intravenous (IV) infusion of SGT-003 in participants with Duchenne muscular dystrophy. There will be 5 cohorts in this study. Cohort 1 will include participants 4 to \< 7 years of age. Cohort 2 will include participants 7 to \< 12 years of age. Cohort 3 will include participants 0 to \< 4 years of age. Cohort 4 will include participants 12 to \< 18 years of age. Cohort 5 will include participants 10 to \< 18 years of age. Initiation of participant enrollment in Cohorts 4 and 5 will be subject to the accrual of safety and efficacy data from Cohorts 1-3. All participants will receive SGT-003 and will be enrolled in the study for 5 total years for long-term follow up.

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Interventions

SGT-003GENETIC
Adeno-associated virus serotype SLB101 containing the human microdystrophin gene (h-µD5)

Study Locations

FacilityCityStateCountry
Arkansas Children's HospitalLittle RockArkansasUnited States
University of California, Los Angeles Medical CenterLos AngelesCaliforniaUnited States
University of California, DavisSacramentoCaliforniaUnited States
University of CaliforniaSan DiegoCaliforniaUnited States
Rare Disease ResearchAtlantaGeorgiaUnited States
Ann & Robert H. Lurie Children's Hospital of ChicagoChicagoIllinoisUnited States
Washington University in St. LouisSt LouisMissouriUnited States
Nationwide Children's HospitalColumbusOhioUnited States
Oregon Health and Sciences UniversityPortlandOregonUnited States
Children's Hospital of PhiladelphiaPhiladelphiaPennsylvaniaUnited States
Children's Hospital of the King's DaughtersNorfolkVirginiaUnited States
Seattle Children's HospitalSeattleWashingtonUnited States
The Hospital for Sick ChildrenTorontoOntarioCanada
Fondazione Policlinico Universitario Agostino Gemelli IRCCSRomeItaly
Great Ormond Street HospitalLondonUnited Kingdom

Official Trial Information

View on ClinicalTrials.gov

Data sourced from ClinicalTrials.gov. Last updated: April 14, 2026