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NCT06100887: FOX
A Phase 2 Study to Evaluate the Effect of EDG-5506 on Safety, Pharmacokinetics, and Biomarkers in Children and Adolescents With Duchenne Muscular Dystrophy Previously Treated With Gene Therapy
Phase 2 trial testing Sevasemten Dose 1 in Duchenne Muscular Dystrophy in 43 participants. Participants enrolled and being followed up; not accepting new ones.
1 March 2027
Quick facts
| Lead sponsor | Edgewise Therapeutics, Inc. |
|---|---|
| Phase | Phase 2 |
| Status | Active, enrolled |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | sequential |
| Masking | quadruple |
| Primary purpose | treatment |
| Enrollment | 43 |
| Start date | 22 March 2024 |
| Primary completion | 1 March 2027 |
| Estimated completion | 1 March 2027 |
| Sites | 7 locations across United States |
Drugs / interventions tested
- Sevasemten Dose 1 — full drug profile →
- Sevasemten Dose 2
- Sevasemten Dose 3
- Placebo
Conditions studied
- Duchenne Muscular Dystrophy — all drugs for Duchenne Muscular Dystrophy →
Sponsor
Edgewise Therapeutics, Inc. — full company profile →
Who can join
Adults 6 to 17, male only, with Duchenne Muscular Dystrophy. Patients with the condition only — healthy volunteers not accepted.
What's being measured
Primary outcomes are the specific endpoints the trial is designed to prove or disprove.
-
Number of adverse events during treatment with sevasemten or placebo
Time frame: 36 months
All participants -
Severity of adverse events during treatment with sevasemten or placebo
Time frame: 36 months
All participants
Sponsor's own description
The FOX study is a 2-part, multicenter, Phase 2 study of safety, pharmacokinetics, and biomarkers in children and adolescents with Duchenne muscular dystrophy previously treated with gene therapy including a randomized, double-blind, placebo-controlled Part A, followed by an open-label part B.
Publications & conference data
3 peer-reviewed publications reference this trial (live from Europe PMC):
-
Molecular mechanisms and therapeutic strategies for neuromuscular diseases.
Zambon AA, Falzone YM, Bolino A, Previtali SC. · · 2024 · cited 7× · PMID 38678519 · DOI 10.1007/s00018-024-05229-9 -
Molecular pathways involved in the control of contractile and metabolic properties of skeletal muscle fibers as potential therapeutic targets for Duchenne muscular dystrophy.
Bonato A, Raparelli G, Caruso M. · · 2024 · cited 4× · PMID 39717824 · DOI 10.3389/fphys.2024.1496870 -
A Phase 1, Double-Blind, Placebo-Controlled Trial of Sevasemten (EDG-5506), a Selective Modulator of Fast Skeletal Muscle Contraction, in Healthy Volunteers and Adults With Becker Muscular Dystrophy.
Donovan J, Silverman JA, Barthel B, DuVall M, et al · · 2025 · cited 2× · PMID 40452637 · DOI 10.1002/mus.28444
Verify or expand the search:
- PubMed search for NCT06100887
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Duchenne Muscular Dystrophy
Currently open trials in the same condition.
- NCT07287189 — Phase 2 Study of SAT-3247 in Pediatric Ambulatory Patients · Phase 2 · recruiting
- NCT06817382 — A Study to Investigate the Safety and Biodistribution of a Single Intrathecal (IT) Injection of INS1201 in Ambulatory Ma · Phase 1 · recruiting
- NCT06402942 — Gamified Occupational Therapy for Adolescents With Duchenne Muscular Dystrophy · NA · recruiting
- NCT06450639 — A Study to Assess the Efficacy and Safety of Satralizumab in Duchenne Muscular Dystrophy (DMD) · Phase 2 · active not recruiting
- NCT06692426 — Trial of Cell Based Therapy for DMD · Phase 1 · recruiting
Other Edgewise Therapeutics, Inc. trials
Trials by the same sponsor.
- NCT07034768 — A Study to Evaluate EDG-7500 in People With Renal Impairment · Phase 1 · completed
- NCT06916897 — A Study to Evaluate Effect of Verapamil and Food of Sevasemten in Healthy Volunteers · Phase 1 · completed
- NCT06738836 — A Study to Evaluate the Absorption, Metabolism, And Excretion Of Orally Administered [14C]-EDG-7500 · Phase 1 · completed
- NCT06011317 — A Study of EDG-7500 in Healthy Adults · Phase 1 · completed
- NCT05730842 — Absorption, Metabolism, Excretion and Absolute Bioavailability of EDG-5506 in Healthy Volunteers · Phase 1 · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT06100887 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Edgewise Therapeutics, Inc.
- Last refreshed: 5 November 2025
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT06100887.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing