Trial intelligence / Profile preview

FORZETTO: DYNE-251 in Duchenne Muscular Dystrophy Amenable to Exon-51 Skipping

NCT07608432Phase 3

Key facts

Status
Recruiting
Start
Jun 2026
Primary completion
Dec 2030
Countries
1
Conditions
Duchenne muscular dystrophy (DMD)
01

Overview

Phase 3, randomised, double-blind trial in Duchenne muscular dystrophy (DMD) comparing Zeleciment Rostudirsen (DYNE-251) with Placebo (2 arms). Primary endpoint: Rise From Floor velocity at Week 73. Started Jun 2026; status: recruiting.

02

Design

2 arms
Study design
RandomizedDouble-blind
  • Zeleciment Rostudirsen (DYNE-251)

    Participants receive zeleciment rostudirsen Q4W for 72 weeks, then continue zeleciment rostudirsen Q4W for 96 weeks.

  • Placebo

    Participants receive placebo Q4W for 72 weeks, then switch to zeleciment rostudirsen Q4W for 96 weeks.

03

Who it enrols

Ambulatory males 4-18 years old with DMD amenable to exon 51 skipping, on stable glucocorticoids, with RFF time < 10 seconds.

04

Endpoints

Primary

  • Rise From Floor velocity

Secondary

  • Rise From Floor velocity

  • Stride Velocity 95th Percentile

  • North Star Ambulatory Assessment Total Score

  • 10-Meter Walk/Run Velocity

  • 4-Stair Climb velocity

  • Functional Composite score

  • Forced Vital Capacity

  • Patient Global Impression of Severity

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