🏛️ Verified NIH Record • Updated 2026-06-29

Evaluation of Safety and Efficacy of CTX001 in Pediatric Participants With Severe Sickle Cell Disease (SCD) (NCT05329649)

A Phase 3 Study to Evaluate the Safety and Efficacy of a Single Dose of CTX001 in Pediatric Subjects With Severe Sickle Cell Disease

🔵 Active, Not Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: Vertex Pharmaceuticals Incorporated

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

This is a single-dose, open-label study in pediatric participants with severe SCD and hydroxyurea (HU) failure or intolerance. The study will evaluate the safety and efficacy of autologous CRISPR-Cas9 modified CD34+ human hematopoietic stem and progenitor cells (hHSPCs) (CTX001).

Who can join: Review the eligibility criteria below.

Location: Levine Children's Hospital - Hematology — Charlotte, North Carolina

Age range: 2 Years to 11 Years

🧪 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 (7 Sites)

  • Levine Children's Hospital - Hematology — Charlotte, North Carolina
  • The Children's Hospital of Philadelphia - Hematology — Philadelphia, Pennsylvania
  • St. Jude Children's Research Hospital — Memphis, Tennessee
  • TriStar Medical Group Children's Specialists - Pediatric Oncology — Nashville, Tennessee
  • University Hospital Duesseldorf - Department of Pediatric Oncology, Hematology and Clinical Immunology — Düsseldorf,
  • IRCSS Ospedale Pediatrico Bambino Gesu - Dipartimento di Onco-Ematologia e Terapia Cellulare e Genica — Rome,
  • St.Mary's Hospital - Haematology Dept — London,

💰 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. Review the official NIH record below to find the coordinating site.
  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 ↗