New stem cell transplant trial aims to treat sickle cell disease and other blood disorders
NCT ID NCT06872333
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
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 62 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2024
- Expected to finish
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Jun 2032
An estimate. End dates often move.
- Lead sponsor
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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
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Up to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Masonic Cancer Center
RECRUITINGMinneapolis, Minnesota, 55455, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can adding common pain drugs reduce morphine needs in sickle cell crises?
- Gene editing offers hope for a One-Time sickle cell cure
- Tiny biochip could reveal sickle cell severity
- Can a milder transplant cure sickle cell and thalassemia in adults?
- Can an antioxidant supplement calm sickle cell blood cells?
- Can a softer transplant cure sickle cell disease?