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

> **NCT06646640** · — · RECRUITING · sponsor: **St. Jude Children's Research Hospital** · enrollment: 200 (estimated)

## Conditions studied

- Hemoglobin Disorder

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06646640
- **Lead sponsor:** St. Jude Children's Research Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-06-26
- **Primary completion:** 2035-01
- **Final completion:** 2050-01
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2025-08-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06646640

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06646640, "Long Term Follow-Up Study for Individuals With Hemoglobin Disorders After Hematopoietic Cell Transplant or Gene Therapy". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT06646640. Licensed CC0.

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