CRISPR gene therapy aims to free kids from lifelong blood transfusions

NCT ID NCT05356195

First seen Oct 31, 2025 · Last updated Jun 17, 2026 · Updated 31 times

Summary

This study tests a one-time gene therapy (CTX001) in 16 children with transfusion-dependent β-thalassemia, a genetic blood disorder requiring regular red blood cell transfusions. The treatment uses the patient's own blood stem cells, edited with CRISPR-Cas9, to produce healthy red blood cells. The main goal is to see if children can stop needing transfusions for at least 12 months.

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Contacts and locations

Locations

  • Great Ormond Street Hospital for Children

    London, United Kingdom

  • Hospital for Sick Children - Hematology

    Toronto, Canada

  • IRCSS Ospedale Pediatrico Bambino Gesu - Dipartimento di Onco-Ematologia e Terapia Cellulare e Genica

    Rome, Italy

  • St.Mary's Hospital - Children's Clinical Research Facility

    London, United Kingdom

  • TriStar Medical Group Children's Specialists - Pediatric Oncology

    Nashville, Tennessee, 37203, United States

  • University Hospital Dusseldorf - Department of Pediatric Oncology, Hematology and Clinical Immunology

    Düsseldorf, Germany

Conditions

Explore the condition pages connected to this study.