Overview
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).
Eligibility
Key Inclusion Criteria:
- 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 Criteria:
- 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.