Clinical trial Recruiting at 1 site Observational

Long-term follow-up for patients with hemoglobin disorders after transplant or gene therapy

Official title: Long Term Follow-Up Study for Individuals With Hemoglobin Disorders After Hematopoietic Cell Transplant or Gene Therapy

Run by St. Jude Children's Research Hospital · NCT06646640 · Data updated 2026-11-12

This study looks at how people with hemoglobin disorders are doing long-term after they’ve had a stem cell transplant or gene therapy to see if there are any lasting effects or problems.

More Fetal Hemoglobin trials

Quick facts

Study typeObservational
SexAll
Enrollment200 (estimated)
SponsorSt. Jude Children's Research Hospital
Academic / other
Locations1 site (Memphis, Tennessee)
StatusRecruiting
StartedJune 26, 2025
Main results expectedJanuary 2035
Study endsJanuary 2050
Registry record updatedSeptember 15, 2026
Trial IDNCT06646640 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals who have received or are planning to receive an allogeneic hematopoietic stem cell transplant or genetically modified cellular therapy for hemoglobin disorders within the last 15 years.

Probably not a fit

Patients who have not undergone these specific treatments or are unable to provide informed consent may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to monitor individuals with hemoglobin disorders who have undergone allogeneic hematopoietic stem cell transplantation or received autologous genetically modified cellular products. It focuses on assessing the long-term effects and potential adverse outcomes of these treatments in accordance with FDA guidelines. Participants will be routinely evaluated to gather data on their health status and any complications that may arise over time.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the long-term safety and efficacy of treatments for hemoglobin disorders, improving patient care.

How similar studies have gone: While this study follows established FDA guidelines for long-term monitoring, similar studies have shown success in tracking outcomes after hematopoietic stem cell transplants and gene therapies.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Receipt, or planned receipt, of an allogeneic HSCT or infusion of genetically modified autologous cells for hemoglobin disorders within 15 years prior to enrollment

Exclusion Criteria:

* Inability or unwillingness of research participant and/or legal guardian/ representative to provide written informed consent.

Where it's running

  • St. Jude Children's Research Hospital
    Memphis, Tennessee, United States
    Recruiting

Study contacts

  • Principal investigator: Akshay Sharma, MD — St. Jude Children's Research Hospital
  • Study coordinator: Akshay Sharma, MD
  • Email: referralinfo@stjude.org
  • Phone: 8662785833

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Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.