Monitoring brain health in children with Sickle Cell Disease
Official title: A Pilot Study on Neuroimaging in SCD: Part of The Boston Consortium to Cure Sickle Cell Disease
Run by Boston Children's Hospital · NCT04166526 · Data updated 2026-11-12
This study is trying to see how Sickle Cell Disease affects brain health in children aged 8-18 by using special imaging techniques to check blood flow and oxygen levels in the brain.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 8 Years to 18 Years |
| Sex | All |
| Enrollment | 8 (estimated) |
| Sponsor | Boston Children's Hospital Academic / other |
| Locations | 1 site (Boston, Massachusetts) |
| Status | Recruiting |
| Started | October 25, 2019 |
| Main results expected | May 1, 2027 |
| Study ends | August 1, 2027 |
| Registry record updated | December 12, 2025 |
| Trial ID | NCT04166526 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include children aged 8-18 with Sickle Cell Disease who have not undergone gene therapy or bone marrow transplant, as well as those who have received chronic transfusions or gene therapy.
✕Probably not a fit
Patients with electrical or ferromagnetic implants, or those seeking pregnancy, may not benefit from this study due to safety concerns with the imaging techniques used.
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 the effects of Sickle Cell Disease (SCD) on cerebral hemodynamics in children aged 8-18 using advanced imaging techniques. It will utilize quantitative magnetic resonance imaging (MRI) and near-infrared spectroscopy (NIRS) to assess cerebral blood flow, oxygen extraction, and endothelial function. By identifying biomarkers for when intervention is necessary, the study seeks to improve treatment outcomes for SCD patients. The study includes healthy controls and various groups of SCD patients based on their treatment history.
Why it matters
Potential benefit: If successful, this study could provide critical insights into the timing and effectiveness of interventions for children with Sickle Cell Disease.
How similar studies have gone: While the use of advanced imaging techniques in SCD is promising, this specific approach is novel and has not been extensively tested in prior studies.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: Group 1 (healthy controls): * Children ages 8-18 without SCD Group 2 (SCD patients without treatment): * SCD patients ages 8-18 who: * have not undergone gene therapy or a bone marrow transplant * are not receiving chronic transfusions * have not received a blood transfusion in the past 3 months Group 3 (SCD patients who have undergone gene therapy): * SCD patients ages 8-18 who have had gene therapy at least one month prior to enrollment Group 4 (SCD patients who have chronic transfusions): * SCD patients ages 8-18 who receive chronic transfusions Exclusion Criteria: * Electrical implants such as cardiac pacemakers or perfusion pumps; * Ferromagnetic implants such as aneurysm clips, surgical clips, prosthesis, artificial hearts, valves with steel parts, metal fragments, shrapnel, tattoos near the eye, or steel implants; * Ferromagnetic objects such as jewelry or metal clips; * Women of childbearing age who are seeking to become pregnant, who are breastfeeding, or who suspect they may be pregnant; * Pre-existing medical conditions including a likelihood of developing seizures or claustrophobic reactions; * Any greater than normal potential for cardiac arrest; * Subjects requiring sedation for MRI
Where it's running
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Boston Children's Hospital
Boston, Massachusetts, United States Recruiting
Study contacts
- Principal investigator: Ellen Grant, MD — Boston Children's Hospital
- Study coordinator: Ellen Grant, MD
- Email: Ellen.Grant@childrens.harvard.edu
- Phone: 857-218-5111
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Cerebrovascular Reactivity Testing with HD-DOT in Sickle Cell Patients
This study tests whether high-density diffuse optical tomography can measure brain blood flow and oxygen use in people with sickle cell disease, to see how these signals relate to stroke risk.
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Newborn Sickle Cell Screening in Mozambique
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Optimizing Hydroxyurea in Children with Sickle Cell in Africa
This study tests whether raising hydroxyurea to a maximum tolerated dose is safe and beneficial for Ugandan children with sickle cell anemia already taking a fixed daily dose.
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Hematopoietic stem cell editing to treat sickle cell disease
This study tests whether a patient’s own blood stem cells can be edited to remove the sickle cell triggering gene and then returned to the patient.
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.