Recent Updates
Recently added Catalysts

SGT-003

Phase 3

Duchenne Muscular Dystrophy | Gene therapy | Neurology |Solid Biosciences Inc.|Trials Updated: Sep 28, 2026

SGT-003 development status

Highest phase Phase 3
Registered trials 2 across 1 sponsor since Nov 2023

SGT-003 target and mechanism

Molecular targetintegrin receptors
ModalityGene therapy

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials2
Total Enrollment140

FDA Designations

FAST_TRACKRARE_PEDIATRIC_DISEASE

SGT-003 clinical trials

SGT-003 · 2 trials · 1 indication

Phase 3 1Phase 1 1
NCT07160634A Study of SGT-003 Gene Therapy in Ambulant Males With Duchenne Muscular Dystrophy (IMPACT DUCHENNE)Duchenne Muscular Dystrophy
RECRUITING80 Analytics
PHASE3RECRUITING
A Study of SGT-003 Gene Therapy in Ambulant Males With Duchenne Muscular Dystrophy (IMPACT DUCHENNE)
Duchenne Muscular DystrophyUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Time to Rise (TTR) from Supine Velocity (rise/s) at Day 540
Baseline, Day 540
Incidence of treatment-emergent adverse events (AEs)
Day 360
Change from baseline in Microdystrophin Protein Levels
Day 90

Microdystrophin expression evaluation in muscle biopsies

Secondary Endpoints

Change From Baseline in Stride Velocity 95th Centile (SV95C) (m/s) at Day 540
Baseline, Day 540
Change From Baseline in 4-Stair Climb (4SC) Velocity (Tasks/s) at Day 540
Baseline, Day 540
Change From Baseline in North Star Ambulatory Assessment (NSAA) total score at Day 540
Baseline, Day 540
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SGT-003 in Part 1, Placebo in Part 2EXPERIMENTALEnrolled participants will receive a single intravenous (IV) infusion of SGT-003 in Part 1 and may receive a single IV infusion of matching Placebo in Part 2 per protocol-defined eligibility criteria.
Placebo in Part 1, SGT-003 in Part 2EXPERIMENTALEnrolled participants will receive a single intravenous (IV) infusion of matching Placebo in Part 1 and a single IV infusion of SGT-003 in Part 2 per protocol-defined eligibility criteria.
Cohort 1: SGT-003EXPERIMENTALAll ambulatory participants from age 4 to \< 7 years will receive a single IV infusion of SGT-003 on Day 1.
Cohort 2: SGT-003EXPERIMENTALAll ambulatory participants from age 7 to \< 12 years will receive a single IV infusion of SGT-003 on Day 1.
Cohort 3: SGT-003EXPERIMENTALAll participants from age 0 to \< 4 years will receive a single IV infusion of SGT-003 on Day 1.
Cohort 4: SGT-003EXPERIMENTALAll ambulatory participants from age 12 to \< 18 years will receive a single IV infusion of SGT-003 on Day 1.
Cohort 5: SGT-003EXPERIMENTALAll non-ambulatory participants from age 10 to \< 18 years will receive a single IV infusion of SGT-003 on Day 1.

Interventions

NameTypeDescription
SGT-003DRUGAdeno-associated virus (AAV)-based gene therapy that delivers a codon-optimized and CpG island-minimized human 5-repeat microdystrophin (h-μD5)
PlaceboDRUGIV infusion
Unlock Study Design Details

Eligibility Criteria

Age Range7 Years to 11 Years
SexMALE
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Participant is ambulatory. * Established clinical diagnosis of DMD and documented DMD gene mutation predictive of DMD phenotype. * Negative for antibodies against adeno-associated virus serotype 9 (AAV9). * On a stable daily oral regimen of at least 0.5 mg/kg/day prednisone or...

Countries:United StatesAustraliaCanadaItalyUnited Kingdom
Unlock Eligibility Criteria

Recent Changes (Last 90 Days)

LOWSep 28, 2026NCT07160634lastUpdatePostDate: changed
LOWSep 28, 2026NCT07160634lastUpdatePostDate: changed
LOWAug 14, 2026NCT07160634lastUpdatePostDate: changed
LOWAug 14, 2026NCT07160634lastUpdatePostDate: changed
LOWAug 14, 2026NCT07160634lastUpdatePostDate: changed

Frequently asked questions about SGT-003

What is SGT-003?

SGT-003 is an investigational gene therapy being developed by Solid Biosciences Inc. for Duchenne Muscular Dystrophy, a neuromuscular condition. It is designed to deliver genetic material aimed at addressing the underlying cause of the disease and is currently in clinical development, including a Phase 3 study.

What is SGT-003 used for in Duchenne Muscular Dystrophy?

SGT-003 is being developed as a treatment for Duchenne Muscular Dystrophy, a genetic muscle-wasting disorder. It is an investigational gene therapy intended for males with the condition. The Phase 3 IMPACT DUCHENNE study enrolls ambulant males, while the Phase 1 INSPIRE DUCHENNE study includes younger patients.

What does SGT-003 target?

SGT-003 is a gene therapy that targets integrin receptors. By directing its therapeutic payload toward integrin receptors, the therapy aims to address the molecular mechanisms involved in Duchenne Muscular Dystrophy. This target-based approach distinguishes it from therapies acting on other pathways.

Who is developing SGT-003?

SGT-003 is being developed by Solid Biosciences Inc., a biotechnology company that trades under the ticker symbol SLDB. The company is advancing the gene therapy through clinical development for Duchenne Muscular Dystrophy, including a Phase 3 trial and a Phase 1 trial.

What phase is SGT-003 in?

SGT-003 is in Phase 3 clinical development for Duchenne Muscular Dystrophy. The Phase 3 IMPACT DUCHENNE trial is currently recruiting, and an earlier Phase 1 INSPIRE DUCHENNE trial is also ongoing. SGT-003 is investigational and has not been approved by the FDA.

What clinical trials is SGT-003 in?

SGT-003 is being evaluated in two recruiting clinical trials. The Phase 3 IMPACT DUCHENNE study, NCT07160634, enrolls 80 ambulant males across the United States, Australia, and Canada. The Phase 1 INSPIRE DUCHENNE study, NCT06138639, enrolls 60 males across the United States, Canada, Italy, and the United Kingdom.