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The long-term natural history study of Duchenne muscular dystrophy

The long-term natural history study of Duchenne muscular dystrophy - LNH-DMD

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000059862
Enrollment
80
Registered
2025-11-23
Start date
2025-05-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Duchenne muscular dystrophy

Interventions

None listed

Sponsors

National Center of Neurology and Psychiatry (NCNP)
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Patients with a dystrophin abnormality proven by dystrophin gene testing or muscle pathology and a definitive diagnosis of DMD 2) Sex: male 3) Aged 4 or older (at the time of informed consent) 4) Able to rise from the floor and walk independently at baseline 5) Patients receiving oral glucocorticosteroids for at least 6 months before baseline without change in dosage or dosing regimen within 3 months and having stable symptoms 6) If participating in another clinical study, at least 6 months has passed since starting this study at baseline 7) Patients who participated in the previous study (UMIN000030562) and are able to walk at baseline in this study

Exclusion criteria

Exclusion criteria: 1) Patients with clinically apparent symptoms of cardiac failure and/or respiratory failure as determined by the investigators 2) Patients continuously using a ventilator (use of non-invasive positive-pressure ventilation [NPPV] during sleep is allowed) 3) Patients with behavior abnormalities including intellectual disability, autistic tendency, and attention deficit hyperactivity disorder that, in the opinion of the investigators, could prevent to conduct the assessment of motor function 4) Other patients as determined by the investigators to be ineligible to participate in this study 5) Patients participating in another clinical trial at baseline (This restriction does not apply to patients who have continued participation from the previous study (UMIN000030562).)

Design outcomes

Primary

MeasureTime frame
Motor function test

Secondary

MeasureTime frame
Subject demographics

Countries

Japan

Contacts

Public ContactMikiko Shigemori

CareCure NMD Secretariat Office

shigemori@ncnp.go.jp042-341-2711

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026