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Active, not recruiting Phase 3 Interventional

Long-term Follow-up Study of Patients Receiving Onasemnogene Abeparvovec-xioi

ClinicalTrials.gov ID: NCT04042025

Public ClinicalTrials.gov record NCT04042025. 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, 11:43 PM EDT

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

Official title

A Long-term Follow-up Study of Patients in the Clinical Trials for Spinal Muscular Atrophy Receiving AVXS-101

Brief summary

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

This is a long-term follow-up safety and efficacy study of participants in clinical trials for spinal muscular atrophy (SMA) who were treated with onasemnogene abeparvovec-xioi. Participants will roll over from their respective previous (parent) study into this long-term study for continuous monitoring of safety as well as monitoring of continued efficacy and durability of response to onasemnogene abeparvovec-xioi treatment.

Study identification

NCT ID
NCT04042025
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Novartis Gene Therapies
Industry
Enrollment
85 participants

Conditions and interventions

Eligibility (public fields only)

Age range
Not listed
Sex
All
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
Feb 10, 2020 (Actual)
Primary completion
Dec 31, 2035 (Estimated)
Completion
Dec 31, 2035 (Estimated)
Last update posted
Sep 24, 2026

2020 – 2035

United States locations

U.S. sites
18
U.S. states
15
U.S. cities
17
Facility City State ZIP Site status
Stanford University Medical Center Palo Alto California 94304 —
Children's Hospital Colorado Aurora Colorado 80045 —
Ann Robert H. Lurie Children's Hospital of Chicago Chicago Illinois 60611 —
John Hopkins Hospital - David M. Rubenstein Child Health Building Baltimore Maryland 21287 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Boston Children's Hospital Boston Massachusetts 02115 —
Spectrum Health Hospitals Helen DeVos Children's Hospital Grand Rapids Michigan 49503 —
Washington Unviersity School of Medicine in Saint Louis St Louis Missouri 63110 —
Columbia University Medical Center New York New York 10032 —
Duke University Durham North Carolina 27713 —
Nationwide Children's Hospital Columbus Ohio 43205 —
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Clinic for Special Children Strasburg Pennsylvania 17579 —
Children's Health Specialty Center Dallas Campus Dallas Texas 75235 —
University of Utah Health Salt Lake City Utah 84112 —
Children's Hospital of The King's Daughters Norfolk Virginia 23507 —
Virginia Commonwealth University Richmond Virginia 23298 —
University of Wisconsin, Madison Madison Wisconsin 53792 —

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 13 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04042025, 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 Sep 24, 2026 · 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 NCT04042025 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →