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New brain scans could transform sickle cell treatment

NCT ID NCT04166526

Knowledge-focused Sponsor: Boston Children's Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests new brain imaging tools to measure oxygen flow in children with sickle cell disease. Researchers will compare healthy kids, untreated patients, and those who had gene therapy. The goal is to find better ways to decide when treatment is needed and how well it works.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 8 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2019

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

In this pilot study, investigators plan on recruiting 8 children between the ages of 8-18 from hematology clinics.

Ages

8 to 18 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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

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Conditions

The condition(s) this trial relates to.

sickle cell disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Sickle cell disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Boston Children's Hospital

    RECRUITING

    Boston, Massachusetts, 02115, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.