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Solid Biosciences Doses First Participant in Phase 3 IMPACT DUCHENNE Clinical Trial Evaluating SGT-003 in Duchenne Muscular Dystrophy

$SLDBPress releaseMay 7, 2026, 8:00 AM ETRead the release

Solid Biosciences has dosed the first participant in its Phase 3 IMPACT DUCHENNE trial evaluating SGT-003 for Duchenne muscular dystrophy, a randomized, placebo-controlled study designed to support potential accelerated approval. The Phase 1/2 INSPIRE DUCHENNE trial has now dosed 46 participants with SGT-003, which has been generally well tolerated with no observed cases of serious adverse events like drug-induced liver injury or myocarditis.

Key figures

Drug Name
SGT-003
Phase Of Trial
Phase 3
Disease prevalence us
10,000 to 15,000 cases
Trial primary endpoint
change from baseline at 18 months in time to rise from supine (TTR) velocity
Participants dosed phase1 2
46
Participants dosed phase1 2 year end 2025
30

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