A Long-term Follow-up Study in Participants Who Received CTX001

NCT04208529Phase 3Enrolling by invitation

Lead sponsor
Vertex Pharmaceuticals Incorporated (Industry)
Enrollment
160 (estimated)
Start date
20 Jan 2021
Primary completion
30 Sep 2039 (estimated)
Study completion
30 Sep 2039
Last update posted
11 Aug 2026

Design

Study type
Interventional
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Masking
None
Arms
1

Interventions

  • CTX001 Biological

Conditions and primary outcome

  • Beta-Thalassemia
  • Thalassemia
  • Sickle Cell Disease
  • Hematologic Diseases
  • Hemoglobinopathies
  • Genetic Diseases, Inborn
  • Sickle Cell Anemia

Primary outcome

New malignancies (Signing of informed consent up to 15 years post CTX001 infusion); New or worsening hematologic disorders (Signing of informed consent up to 15 years post CTX001 infusion); All-cause mortality (Signing of informed consent up to 15 years post CTX001 infusion); Serious adverse events (SAEs) (Signing of informed consent up to 15 years post CTX001 infusion); CTX001-related adverse events (AEs) (Signing of informed consent up to 15 years post CTX001 infusion)

Posted results on ClinicalTrials.gov

Results posted on ClinicalTrials.gov: No

Results from company and journal sources

No editor-confirmed results are on record for this study.

Publications

3 on PubMed
  1. Correction of Ineffective Erythropoiesis and Normalization of Iron Homeostasis After Exagamglogene Autotemcel in Transfusion-Dependent β-Thalassemia.

    American journal of hematology · 2026 Aug

  2. Improvements in health-related quality of life in patients with transfusion-dependent β-thalassemia after exagamglogene autotemcel.

    Blood advances · 2025 Dec 23

  3. Improvements in health-related quality of life in patients with severe sickle cell disease after exagamglogene autotemcel.

    Blood advances · 2025 Dec 23

Citations from PubMed, U.S. National Library of Medicine; abstracts are not stored. A publication lists this study’s NCT number and may be a review that cites many studies.

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Data integrity

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Source

Source: ClinicalTrials.gov, U.S. National Library of Medicine. Listing a study does not mean NLM has evaluated it.

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