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A Phase 3, Multi-Center, Open Label Extension Study to Assess the Safety and Efficacy of Viltolarsen in Ambulant Boys with Duchenne Muscular Dystrophy (DMD)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-507146-91-00
Acronym
NS-065/NCNP-01-302
Enrollment
21
Registered
2024-02-26
Start date
2021-06-07
Completion date
2025-01-16
Last updated
2025-06-18

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

Conditions

Duchenne Muscular Dystrophy (DMD)

Brief summary

- Vital signs - Physical examination - Clinical laboratory tests o Hematology and clinical chemistry o Urinalysis o Urine cytology - Antibodies to dystrophin and viltolarsen - 12-lead electrocardiogram (ECG) - Renal ultrasound - Treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs)

Detailed description

Secondary: - Time to Stand Test (TTSTAND) - Time to Run/Walk 10 Meters Test (TTRW) - Six-minute Walk Test (6MWT) - North Star Ambulatory Assessment (NSAA) - Time to Climb 4 Stairs Test (TTCLIMB) - Quantitative muscle strength measured by hand-held dynamometer (elbow extension, elbow flexion, knee extension, and knee flexion on the dominant side only)

Interventions

Sponsors

Ns Pharma Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
Male
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
- Vital signs - Physical examination - Clinical laboratory tests o Hematology and clinical chemistry o Urinalysis o Urine cytology - Antibodies to dystrophin and viltolarsen - 12-lead electrocardiogram (ECG) - Renal ultrasound - Treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs)

Secondary

MeasureTime frame
Secondary: - Time to Stand Test (TTSTAND) - Time to Run/Walk 10 Meters Test (TTRW) - Six-minute Walk Test (6MWT) - North Star Ambulatory Assessment (NSAA) - Time to Climb 4 Stairs Test (TTCLIMB) - Quantitative muscle strength measured by hand-held dynamometer (elbow extension, elbow flexion, knee extension, and knee flexion on the dominant side only)

Countries

Czechia, Greece, Italy, Netherlands, Norway, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026