🏛️ Verified NIH Record • Updated 2026-08-03

A Study Evaluating the Effectiveness and Safety of Risdiplam Administered as an Early Intervention in Pediatric Participants With Spinal Muscular Atrophy After Gene Therapy (NCT05861986)

A Phase IV Open-Label Study Evaluating the Effectiveness and Safety of Risdiplam Administered as an Early Intervention in Pediatric Patients With Spinal Muscular Atrophy After Gene Therapy

🟢 Recruiting Phase4 💊 Investigational Drug / Biologic Sponsor: Hoffmann-La Roche

🩺 Plain-English Summary (8th-Grade Level)

This is an open-label, single-arm, multicenter clinical study to evaluate the effectiveness and safety of risdiplam administered as an early intervention in pediatric participants with spinal muscular atrophy (SMA) and 2 SMN2 copies who have previously received onasemnogene abeparvovec. Participants are children \< 2 years of age genetically diagnosed with SMA.

Who can join: Review the eligibility criteria below.

Location: University of Arkansas for Medical Sciences — Little Rock, Arkansas

Age range: 3 Months to 24 Months

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (16 Sites)

  • University of Arkansas for Medical Sciences — Little Rock, Arkansas
  • Children's Hospital of Colorado — Aurora, Colorado
  • University of Florida Pediatrics — Gainesville, Florida
  • Children's Healthcare of Atlanta Center for Advanced Pediatrics — Atlanta, Georgia
  • Ann and Robert H. Lurie Children Hospital of Chicago — Chicago, Illinois
  • Helen DeVos Children's Hospital at Spectrum Health — Grand Rapids, Michigan
  • Columbia University Medical Center — New York, New York
  • Children'S Hospital of Philadelphia — Philadelphia, Pennsylvania
  • The University of Texas Southwestern Medical Center at Dallas — Dallas, Texas
  • Cook Children's Jane and John Justin Neurosciences Center — Fort Worth, Texas
  • Children's Hospital of the King's Daughter — Norfolk, Virginia
  • Charité - Universitätsmedizin Berlin SPZ Abteilung Neuropaediatrie — Berlin,
  • UKGM Standort Gießen — Giessen,
  • Uniwersyteckie Centrum Kliniczne — Uniwersyteckie Centrum Kliniczne,
  • Instytut Pomnik Centrum Zdrowia Dziecka — Warsaw,
  • Great Ormond Street Hospital For Children — London,

📞 Contact the Study Coordinator

Phone: (888) 662-6728

Email: global-roche-genentech-trials@gene.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗