Skip to content

A Double-blind, Placebo-Controlled, Multicenter Study With an Open-label Extension to Evaluate the Efficacy and Safety of SRP-4045 and SRP-4053 in Patients With Duchenne Muscular Dystrophy

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-514698-23-00
Acronym
4045-301
Enrollment
81
Registered
2024-07-22
Start date
2017-05-15
Completion date
2025-10-09
Last updated
2025-06-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with Duchenne Muscular Dystrophy Amenable to Exon 45 or 53 Skipping.

Brief summary

Double-blind period: Change from Baseline at Week 96 in 4-step ascend velocity (step/second)

Detailed description

• Change from Baseline at Week 96 in 6MWT • Change from Baseline at Week 96 in rise from floor velocity (rise/second) • Change from Baseline at Week 144 in 4-step ascend velocity (step/second), • Change from Baseline at Week 96 in 10MWR velocity (meter/second) • Change from Baseline at Weeks 48 or 96 in the quantity of dystrophin protein expression as measured by Western blot of biopsied muscle tissue., • Change from Baseline at Weeks 48 or 96 in the intensity of dystrophin expression in biopsied muscle tissue, as measured by IHC. •Change from Baseline at Week 96 in: NSAA total score

Interventions

DRUGCASIMERSEN (SRP-4045)
DRUGGOLODIRSEN (SRP-4053)
DRUG0
DRUG9% sodium chloride

Sponsors

Sarepta Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
Male
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
Double-blind period: Change from Baseline at Week 96 in 4-step ascend velocity (step/second)

Secondary

MeasureTime frame
• Change from Baseline at Week 96 in 6MWT • Change from Baseline at Week 96 in rise from floor velocity (rise/second) • Change from Baseline at Week 144 in 4-step ascend velocity (step/second), • Change from Baseline at Week 96 in 10MWR velocity (meter/second) • Change from Baseline at Weeks 48 or 96 in the quantity of dystrophin protein expression as measured by Western blot of biopsied muscle tissue., • Change from Baseline at Weeks 48 or 96 in the intensity of dystrophin expression in biopsied muscle tissue, as measured by IHC. •Change from Baseline at Week 96 in: NSAA total score

Countries

Belgium, Bulgaria, Czechia, Denmark, Hungary, Ireland, Italy, Poland, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026