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Modified immune cells aim to make stem cell transplants safer

NCT ID NCT06034535

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This Phase 2 trial tests a new method to improve stem cell transplants for people with blood disorders who lack a fully matched donor. Researchers will give patients specially processed donor immune cells (CD62L-depleted lymphocytes) alongside a T-cell depleted stem cell transplant. The goal is to reduce complications like graft failure and graft-versus-host disease, while improving survival. The study enrolls 23 participants and follows them for one year.

What this could mean

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

Active substance
CD62L-depleted donor lymphocytes
What this could lead to
If successful, this approach could reduce the risk of graft failure and severe graft-versus-host disease, making haploidentical transplants safer and more effective for patients without a matched donor.
What could go wrong
This is a small, early-phase trial (23 participants) testing a complex cell therapy. The treatment may not improve outcomes, and risks include infection, graft failure, or severe immune reactions.

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 23 people

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

Started

Sep 2023

Expected to finish

Sep 2026

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 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: * Patient who requires allogeneic hematopoietic stem cell transplant, has no human leukocyte antigen (HLA)-matched sibling donor but has an HLA-haploidentical donor. * Adequate organ function to tolerate the conditioning chemotherapy and radiotherapy * Karnofsky or Lansky performance status score ≥50 Exclusion Criteria: * Pregnant or lactating woman * HIV infection * Patients for whom alternative treatment is deemed more appropriate by treating physician * Patients who are unlikely to benefit from haploidentical hematopoietic stem cell transplantation, e.g., terminal malignancy with multiorgan failure

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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

  • Hong Kong Children's Hospital

    RECRUITING

    Hong Kong, Hong Kong

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