NCT07160634

A Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Investigate the Efficacy of a Single Intravenous Dose of SGT-003 in Ambulant Males With Duchenne Muscular Dystrophy

Study Summary

This is a Phase 3, double-blind, placebo-controlled study with the primary objective of evaluating the efficacy of a single IV infusion of SGT-003 in pediatric ambulant male participants with DMD. The secondary objectives include the evaluation of additional efficacy and safety outcomes. The study will be divided into 2 parts. Participants will be randomized 1:1 to either SGT-003 in Part 1 followed by placebo in Part 2 or to placebo in Part 1 followed by SGT-003 in Part 2. Participants will continue to be monitored in long term follow up (LTFU) for at least 5 years from their SGT-003 dosing date.

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Interventions

SGT-003DRUG
Adeno-associated virus (AAV)-based gene therapy that delivers a codon-optimized and CpG island-minimized human 5-repeat microdystrophin (h-μD5)
PlaceboDRUG
IV infusion

Study Locations

FacilityCityStateCountry
The Children's Hospital of WestmeadSydneyNew South WalesAustralia
BC Children's HospitalVancouverBritish ColumbiaCanada

Official Trial Information

View on ClinicalTrials.gov

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