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Long-term Follow-up Study of Risdiplam in Participants With Spinal Muscular Atrophy (SMA)

NCT05232929 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 403

Last updated 2026-04-20

No results posted yet for this study

Summary

A multi-center, longitudinal, prospective, non-comparative study to investigate the long-term safety and effectiveness of risdiplam, prescribed based on clinician judgment as per the Evrysdi® U.S. Package Information (USPI) in adult and pediatric participants with SMA. In this study, participants will be followed for approximately 24 months from enrollment or until withdrawal of consent, loss to follow-up, or death. Participants who discontinue risdiplam may still remain in the study if they agree to continue participating in the follow-up assessments.

An optional sub-study was planned to assess the feasibility, acceptability, and adherence of remote assessment of motor and bulbar functions in participants with SMA using wearable and smartphone-based biosensors. This substudy was withdrawn upon implementation of protocol version 4.

Conditions

Interventions

DRUG

Risdiplam

Risdiplam taken by participants as prescribed by their physician.

Sponsors & Collaborators

  • Genentech, Inc.

    lead INDUSTRY

Principal Investigators

  • Clinical Trials · Hoffmann-La Roche

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-03-29
Primary Completion
2026-12-31
Completion
2026-12-31
FDA Drug
Yes

Countries

  • United States
  • Puerto Rico

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05232929 on ClinicalTrials.gov