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New stem cell transplant trial aims to treat sickle cell disease and other blood disorders

NCT ID NCT06872333

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 phase 2 trial tests a stem cell transplant from a donor for people with high-risk sickle cell disease, thalassemia, and other red blood cell disorders. Participants receive drugs and low-dose radiation before the transplant to help the new cells take hold. The study will track how well the transplant works and watch for side effects like graft-versus-host disease.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
stem cell transplant (from a donor) with alemtuzumab, thymoglobulin, and total body irradiation
What this could lead to
If successful, this could offer a long-term treatment option for people with severe sickle cell disease and other blood disorders, potentially reducing or eliminating the need for blood transfusions.
What could go wrong
This is an early phase 2 trial with only 62 participants, so results may not apply to everyone. There are serious risks like graft-versus-host disease, graft failure, and side effects from the drugs and radiation.

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.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 62 people

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

Started

Nov 2024

Expected to finish

Jun 2032

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.

Ages

Up to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Sickle Cell Disease (SCD) * SCD Patients with a fully matched sibling donor (MSD) irrespective of the frequency or severity of symptoms MSD transplant can be considered. Parents/patient must be counseled as to the risks and benefits and provide their voluntary informed consent * Transfusion Dependent Alpha- or Beta- Thalassemia * Diamond Blackfan Anemia * Other Non-Malignant Hematologic Disorders * Karnofsky ≥ 60%, Lansky play score ≥ 60. Patients with lower performance score can be considered based on study team's evaluation. * Sexually active persons of childbearing potential or persons with partners of childbearing potential must agree to use a highly effective form of contraception during study treatment and for at least 4 months after the transplant. Exclusion Criteria: * Pregnant, breastfeeding or intending to become pregnant during the study. Persons of childbearing potential must have a negative pregnancy test (serum or urine) within 30 days of the start of treatment * HIV infection with a detectable viral load. All HIV+ patients must be evaluated by infectious disease (ID) and an HIV management plan established prior to transplantation. * Active, uncontrolled infection - infection that is stable or improving after 1 week of appropriate therapy (4 weeks for presumed or documented fungal infections) will be permitted * Known allergy to any of the study components * Psychiatric illness/social situations that, in the judgement of the enrolling Investigator, would limit compliance with study requirements * Other illness or a medical issue that, in the judgement of the enrolling Investigator, would exclude the patient from participating in this study

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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

  • Masonic Cancer Center

    RECRUITING

    Minneapolis, Minnesota, 55455, United States

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