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Active, not recruiting Phase 4 Interventional

Long-term Use of Viltolarsen in Boys With Duchenne Muscular Dystrophy in Clinical Practice (VILT-502)

ClinicalTrials.gov ID: NCT04687020

Public ClinicalTrials.gov record NCT04687020. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:53 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The VILT-502 study is Non-interventional Study(United States)/Low-intervention Clinical Trial (Canada) of Viltolarsen administered intravenously once weekly for 10 years to boys with DMD who complete the NS-065/NCNP-01-202 study.

Study identification

NCT ID
NCT04687020
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 4
Lead sponsor
NS Pharma, Inc.
Industry
Enrollment
9 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
Not listed
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 10, 2021 (Actual)
Primary completion
Sep 2032 (Estimated)
Completion
Oct 2032 (Estimated)
Last update posted
Oct 19, 2022

2021 – 2032

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
UC Davis Sacramento California 95817 —
Lurie Children's Hospital Chicago Illinois 60611 —
Duke University Medical Center Durham North Carolina 27710 —
Children's Hospital of Richmond at VCU Richmond Virginia 23230 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04687020, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 19, 2022 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04687020 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →