Status:

RECRUITING

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

Lead Sponsor:

Vertex Pharmaceuticals Incorporated

Collaborating Sponsors:

CRISPR Therapeutics

Conditions:

Sickle Cell Disease

Hydroxyurea Failure

Eligibility:

All Genders

2-11 years

Phase:

PHASE3

Brief Summary

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...

Eligibility Criteria

Inclusion

  • Key
  • Diagnosis of severe SCD as defined by:
  • Documented SCD genotypes
  • History of at least two severe VOCs events per year for the previous two years prior to enrollment
  • Hydroxyurea (HU) failure unless HU intolerant
  • Eligible for autologous stem cell transplant as per investigators judgment
  • Key

Exclusion

  • A willing and healthy 10/10 human leukocyte antigen (HLA)-matched related donor
  • Prior hematopoietic stem cell transplant (HSCT).
  • Clinically significant and active bacterial, viral, fungal, or parasitic infection
  • Other protocol defined Inclusion/Exclusion criteria may apply.

Key Trial Info

Start Date :

May 2 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 31 2026

Estimated Enrollment :

15 Patients enrolled

Trial Details

Trial ID

NCT05329649

Start Date

May 2 2022

End Date

May 31 2026

Last Update

October 15 2025

Active Locations (7)

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Page 1 of 2 (7 locations)

1

Levine Children's Hospital - Hematology

Charlotte, North Carolina, United States, 28203

2

The Children's Hospital of Philadelphia - Hematology

Philadelphia, Pennsylvania, United States, 19104

3

St. Jude Children's Research Hospital

Memphis, Tennessee, United States, 38105

4

TriStar Medical Group Children's Specialists - Pediatric Oncology

Nashville, Tennessee, United States, 37203