Status:

TERMINATED

Efficacy and Safety of Losmapimod in Treating Participants With Facioscapulohumeral Muscular Dystrophy (FSHD) (REACH)

Lead Sponsor:

Fulcrum Therapeutics

Conditions:

Facioscapulohumeral Muscular Dystrophy (FSHD)

Eligibility:

All Genders

18-65 years

Phase:

PHASE3

Brief Summary

This is a study to evaluate the safety and efficacy of losmapimod in treating participants with Facioscapulohumeral Muscular Dystrophy (FSHD). Participants diagnosed with Facioscapulohumeral muscular ...

Eligibility Criteria

Inclusion

  • Key
  • Participants must be between 18 and 65 years of age, inclusive.
  • Genetically confirmed diagnosis of FSHD 1 or FSHD 2.
  • Clinical severity score of 2 to 4 (Ricci Score; Range 0-5), at screening. Participants who are wheelchair-dependent or dependent on walker or wheelchair for activities are not permitted to enroll in the study.
  • Screening total RSA (Q1-Q4) without weight in the dominant UE assessed by RWS ≥ 0.2 and ≤ 0.7.
  • No contraindications to MRI.
  • Key

Exclusion

  • Previously diagnosed cancer that has not been in complete remission for at least 5 years. Localized carcinomas of the skin and carcinoma in situ of the cervix that have been resected or ablated for cure are not exclusionary.
  • Participants who are on drug(s) or supplements that may affect muscle function, as determined by the Investigator: participants must be on a stable dose of that drug(s) or supplement for at least 3 months prior to the first dose of study drug and remain on that stable dose for the duration of the study.
  • Known active opportunistic or life-threatening infections including Human Immunodeficiency virus (HIV) and hepatitis B or C.
  • Known active or inactive tuberculosis infection.
  • Acute or chronic history of liver disease.
  • Known severe renal impairment.
  • History of cardiac dysrhythmias requiring anti-arrhythmia treatment(s); or history or evidence of abnormal ECGs.
  • Use of another investigational product within 30 days or 5 half-lives (whichever is longer) or currently participating in a study of an investigational device.
  • Current or anticipated participation in a natural history study. Previous participation is allowed but participants cannot continue after enrollment in Study 1821-FSH-301.
  • Known hypersensitivity to losmapimod or any of its excipients.
  • Previous participation in a Fulcrum-sponsored FSHD losmapimod study (FIS-001-2019 or FIS-002-2019).
  • Note that all other inclusion and exclusion criteria are listed in the protocol and only key are presented.

Key Trial Info

Start Date :

June 16 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 19 2024

Estimated Enrollment :

260 Patients enrolled

Trial Details

Trial ID

NCT05397470

Start Date

June 16 2022

End Date

November 19 2024

Last Update

November 7 2025

Active Locations (33)

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Page 1 of 9 (33 locations)

1

University of California Irvine

Irvine, California, United States, 92868

2

University of California Los Angeles (UCLA)

Los Angeles, California, United States, 90095

3

University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States, 80045

4

University of Florida

Gainesville, Florida, United States, 32610