Two-Part Study for Dose Determination of Vesleteplirsen (SRP-5051) (Part A), Then Dose Expansion (Part B) in Participants With Duchenne Muscular Dystrophy Amenable to Exon 51-Skipping Treatment

Summary

This study will be comprised of 2 parts: 1) Part A (Multiple Ascending Dose \[MAD\]) will be conducted to evaluate the safety and tolerability of vesleteplirsen at MAD levels to determine the maximum tolerated dose (MTD), and 2) Part B will be conducted to further evaluate the vesleteplirsen doses selected in Part A. Participants enrolling in Part B will be those who completed Part A or Study 5051-102 (NCT03675126) and meet applicable eligibility criteria for Part B, as well as additional participants who meet applicable eligibility criteria for enrollment at the beginning of Part B.

Timeline

Start

2019-06-26

Primary completion

2023-10-30

Completion

2025-02-07

Outcome

Outcome not reported

Stopped: “The study was terminated following review of safety data.”

Drugs

Indications