A Study to Evaluate RO7204239 in Participants With Facioscapulohumeral Muscular Dystrophy

Running, not enrolling · Phase 2 · Has a placebo group

Conditions studied: Facioscapulohumeral Muscular Dystrophy (FSHD)

In brief

The purpose of this study is to evaluate the pharmacodynamics, safety, tolerability, pharmacokinetics, and efficacy of RO7204239, a humanized monoclonal antibody that binds to human latent myostatin, in ambulant adult participants with facioscapulohumeral muscular dystrophy (FSHD).

Key facts

Study ID

NCT05548556

Run by

Hoffmann-La Roche

People needed

51

Starts

2023-02-07

Expected to finish

2026-10-23

Last updated by the study team

2026-06-18

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Genetic confirmation of FSHD1 or FSHD2
• Clinical findings consistent with FSHD
• Ability to walk unassisted
• Ricci Clinical Severity Scale score ≥ 2.5 and ≤ 4
• Agreement to maintain the same frequency and intensity of physiotherapy, occupational therapy, and other forms of exercise during the clinical study

You may not qualify if…

• Pregnancy or breastfeeding, or intention of becoming pregnant during the study or within 17 months after the final dose of RO7204239
• Current or previous treatment (or receipt) of anti-myostatin therapies
• Treatment with any investigational therapy within 90 days prior to screening, or 5 drug-elimination half-lives of the drug, whichever is longer
• Contraindications to MRI scans
• Presence of clinically significant ECG abnormalities
• Presence of clinically significant cardiovascular disease
• Presence of clinically significant abnormal findings in echocardiography at screening, with the exception of mitral valve prolapse, which does not exclude participants from the study
• Any major illness within 1 month before screening
• Ascertained or presumptive hypersensitivity (e.g., anaphylactic reaction) to RO7204239, or to the constituents of its formulation
• History of malignancy (except in situ basal cell carcinoma of the skin and in situ carcinoma of the cervix of the uterus that have been excised and resolved with documented clean margins on pathology)
• Any clinically relevant history of anaphylactic reaction requiring inotropic support
• Any abnormal skin conditions, pigmentation, or lesions in the area intended for SC injection (abdomen) and that would prevent visualization of potential injection-site reactions to RO7204239
• Immobilization, surgical procedures, fracture, or trauma to the upper or lower limbs within 90 days prior to screening or longer, if judged by the investigator that it may affect motor function assessment
• Any planned surgery that may affect a participant's motor function assessment, including participants who have had surgery of scapular fixation within the 12 months preceding screening or that are planned during the study
• Use of the following medications within 90 days prior to enrollment: salbutamol or another β2-adrenergic agonist taken orally; creatine; recombinant human growth hormone; recombinant human insulin growth factor-1; testosterone, oxandrolone, or other anabolic steroid; chronic oral or parenteral use of corticosteroids (inhaled corticosteroid use is allowed) unless required to manage injection reactions;agents anticipated to increase or decrease muscle volume or strength

Where it is running

• University of Irvine Medical Center (UCIMC) — Orange, California, United States
• Regents of the University of Colorado — Aurora, Colorado, United States
• University of Kansas Medical Center — Fairway, Kansas, United States
• Kennedy Krieger Institute — Baltimore, Maryland, United States
• Virginia Commonwealth University Medical Center — Richmond, Virginia, United States
• Rigshospitalet — København Ø, Denmark
• Policlinico Universitario Agostino Gemelli — Rome, Lazio, Italy
• Asst Grande Ospedale Metropolitano Niguarda — Milan, Lombardy, Italy
• National Hospital for Neurology and Neurosurgery, — London, United Kingdom
• Royal Victoria Infirmary — Newcastle upon Tyne, United Kingdom

Full record on ClinicalTrials.gov

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