Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Recruiting No phase listed Observational

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

ClinicalTrials.gov ID: NCT06646640

Public ClinicalTrials.gov record NCT06646640. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 4, 2026, 4:05 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a prospective, longitudinal, non-therapeutic study which includes routine assessment for long-term effects, as per FDA guidelines after receipt of an allogeneic HCT or autologous genetically modified cellular products for hemoglobin disorders. Primary objective: \- To provide long term follow up, for individuals with hemoglobin disorders undergoing allogeneic hematopoietic stem cell transplantation (HCT) or receipt of an autologous genetically modified cellular product to treat their hemoglobinopathy. For individuals receiving a genetically modified cellular product, this long term follow up study is in accordance with the guidelines provided by the Food and Drug Administration (FDA).

Study identification

NCT ID
NCT06646640
Recruitment status
Recruiting
Study type
Observational
Phase
Not listed
Enrollment
200 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 25, 2025
Primary completion
Dec 31, 2034
Completion
Dec 31, 2049
Last update posted
Aug 6, 2025

2025 – 2050

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
St. Jude Children's Research Hospital Memphis Tennessee 38105 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT06646640, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 6, 2025 · Synced Sep 4, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT06646640 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →