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Long-Term Follow-Up Study of Risdiplam in Participants With Spinal Muscular Atrophy (SMA)

Long-Term Follow-Up Study of Risdiplam in Participants With Spinal Muscular Atrophy (SMA)

Not Recruiting
All
Phase 4

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Overview

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 Insert (USPI) in adult and pediatric participants with spinal muscular atrophy (SMA). In this study, participants will be followed for up to 5 years 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.

Eligibility

Inclusion Criteria:

  • Confirmed diagnosis of 5q-autosomal recessive SMA
  • Prescribed or continued risdiplam based on clinical judgment of prescriber, as per the Evrysdi® USPI, after U.S. FDA approval (07 August 2020)

Exclusion Criteria:

  • Hypersensitivity to risdiplam
  • Participated in a registrational trial for risdiplam (i.e., Firefish [NCT02913482], Sunfish [NCT02908685], Jewelfish [NCT03032172], and Rainbowfish [NCT03779334])

Study details
    Spinal Muscular Atrophy

NCT05232929

Genentech, Inc.

19 December 2025

FAQs

Learn more about clinical trials

What is a clinical trial?

A clinical trial is a study designed to test specific interventions or treatments' effectiveness and safety, paving the way for new, innovative healthcare solutions.

Why should I take part in a clinical trial?

Participating in a clinical trial provides early access to potentially effective treatments and directly contributes to the healthcare advancements that benefit us all.

How long does a clinical trial take place?

The duration of clinical trials varies. Some trials last weeks, some years, depending on the phase and intention of the trial.

Do I get compensated for taking part in clinical trials?

Compensation varies per trial. Some offer payment or reimbursement for time and travel, while others may not.

How safe are clinical trials?

Clinical trials follow strict ethical guidelines and protocols to safeguard participants' health. They are closely monitored and safety reviewed regularly.
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