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New hope for CGD: stem cell transplant trial aims for a cure

NCT ID NCT05463133

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether adding certain drugs to a stem cell transplant can cure chronic granulomatous disease (CGD), a condition that weakens the immune system. About 50 people aged 4 to 65 with CGD will receive donor stem cells after a special drug and radiation regimen. The goal is to improve survival and reduce infections over 5 years of follow-up.

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 with drugs (alemtuzumab, busulfan, cyclophosphamide, sirolimus, and cytokine blockers)
What this could lead to
If successful, this could offer a cure for chronic granulomatous disease (CGD) by making stem cell transplants safer and more effective.
What could go wrong
This is an early-phase trial with only 50 participants, so results may not apply to everyone. The transplant and drugs carry risks like infection, graft-versus-host disease, and organ damage.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 50 people

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

Started

Jul 2022

Expected to finish

Dec 2032

An estimate. End dates often move.

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

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

Ages

4 to 65 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: In order to be eligible to participate in this study, an individual must meet all the following criteria: * Must have the ability to comprehend and a willingness to sign the informed consent. For pediatric patients, must have a parent/guardian who can sign consent if the donor is a minor; assent will be obtained from minors as appropriate. * Must have confirmed diagnosis of CGD. * Must have sufficient complications from underlying disease to warrant undergoing transplantation (either a history of or ongoing inflammation/CGD-related autoimmunity OR a CGD-related infection while on prophylaxis) OR have a Quartile 1 or 2 residual oxidase production level. * Ages 4 years-65 years. * HLA-matched family donor graft or an HLA-matched unrelated PBSC graft (10/10 or 9/10 mismatch) available. * Must be human immunodeficiency virus (HIV) negative. * When discharged from the hospital the participant must be able to stay within 1 hour s travel of the NIH for the first 3 months after transplantation. * Must have a family member or other designated care provider to assist with care during the post-transplant period when the patient is in the outpatient setting. * Must provide a durable power of attorney for health care decisions to an appropriate adult relative or guardian in accordance with NIH 200 'NIH Durable Power of Attorney for Health Care Decision Making.' * Females of child-bearing potential must agree to consistently use one form of contraception from 1 month prior to study entry and for at least 1 year post transplant. Male participants must agree to consistently use contraception for 1 year post transplant. Acceptable forms of contraception are: * Contraceptive pills or patch, Norplant \[Registered\], Depo-Provera \[Registered\], or other FDA-approved contraceptive method. * Male partner has previously undergone a vasectomy. * Male participants will be advised to consistently use contraception throughout study participation and for 3 months post-transplant. * Stated willingness to comply with all study procedures and is available for protocol visits for the duration of the study when possible. * Patients who have a CRP of greater than 100 but otherwise meet inclusion criteria will be enrolled on the high-risk arm. * CRP will be assessed no more than 7 weeks and no less than 6 weeks prior to anticipated transplant to determine on which arm the patient will be treated. EXCLUSION CRITERIA: An individual who meets any of the following criteria will be excluded from participation in this study: * Ejection fraction of less than 30% by echocardiography. * Forced expiratory volume (FEV1%) of less than 35% and/or an adjusted diffusing capacity of lung of carbon monoxide (adj DLCO) of less than 30%. * Transaminases \>5x upper limit of normal based on the individual s clinical situation and at the discretion of the investigator. * Psychiatric disorder or mental deficiency severe enough as to make compliance with the HSCT treatment unlikely, and/or to make regulatorily and legally effective informed consent impossible. * Major anticipated illness or organ failure incompatible with survival from allogeneic peripheral blood stem cell (AlloPBSC) transplant. * Pregnant or lactating. * Uncontrolled seizure disorder per principal investigator (PI) discretion. * Individuals older than 65 years are excluded. It is known from standard transplantation that these individuals have a higher risk of morbidity and mortality related to transplantation. Given the investigational nature of this protocol, the risk-benefit ratio is not warranted to include these individuals at this time. * Active TB infection. * Any condition or circumstance that the PI feels would create difficulty in maintaining compliance with the requirements of this protocol. * Individuals who are not willing to submit their information as part of the alemtuzumab (Campath \[Registered\]) Distribution Program application or participants whom the Distribution Program committee has determined are not qualified to receive alemtuzumab. NOTE: Alemtuzumab (Campath-1H) (intravenous \[IV\] formulation) is no longer distributed commercially. To receive product, the physician must contact the program for the patient. If the patient is not willing to consent to submit their info (demographics, contact information, and rationale for use) to the program such that we can obtain the drug, then we cannot proceed with conditioning; therefore no transplant will occur on this protocol. http://www.campath.com/

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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

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

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