Clinical trial Recruiting at 1 site Phase 2 Interventional Ages Any age to 18

CD62L-depleted versus CD45RA-depleted donor lymphocyte infusions after haploidentical HSCT in children

Official title: Randomised Controlled Trial Comparing CD62L and CD45RA Depleted Donor Lymphocyte Infusion With T-cell Depleted Haploidentical Hematopoietic Stem Cell Transplantation

Run by Hong Kong Children's Hospital · NCT07867769 · Data updated 2026-11-12

This trial tests whether using CD62L-depleted donor lymphocytes after a haploidentical HSCT works better or worse than CD45RA-depleted lymphocytes in children.

More Hematopoietic Stem Cell Transplantation trials

Quick facts

PhasePhase 2
Study typeInterventional
AgesAny age to 18 Years
SexAll
Enrollment46 (estimated)
SponsorHong Kong Children's Hospital
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Hong Kong)
StatusRecruiting
StartedOctober 2, 2026
Main results expectedOctober 1, 2029
Study endsOctober 1, 2029
Registry record updatedOctober 9, 2026
Trial IDNCT07867769 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Children aged 0-18 requiring allogeneic HSCT with no HLA-matched donor but an HLA-haploidentical donor, adequate organ function, and performance status 50 or higher.

Probably not a fit

Patients with contraindications to haploidentical HSCT, significant comorbidities, or those unlikely to benefit from this transplant setting may not receive benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized Phase 2 trial compares two donor lymphocyte infusion strategies given after T-cell depleted haploidentical hematopoietic stem cell transplantation in pediatric patients. The study looks at safety and efficacy, including infection rates, graft-versus-host disease, relapse, and survival within the first year after transplant. All participants receive the same HSCT approach with either CD62L-depleted DLI or CD45RA-depleted DLI, allowing direct comparison of outcomes. The trial is conducted at Hong Kong Children's Hospital and targets children aged 0-18 who lack an HLA-matched donor but have a haploidentical family donor. Primary endpoints include viral infections within 100 days post-transplant and rates of acute and chronic GVHD, with secondary endpoints covering disease-free survival, overall survival, relapse, and graft rejection.

Why it matters

Potential benefit: If successful, this approach could reduce infections and GVHD while preserving anti-tumor effects, improving outcomes after haploidentical HSCT in children.

How similar studies have gone: Previous approaches using CD45RA-depleted DLI have shown reduced GVHD with retained immune memory; the CD62L depletion strategy is newer and its efficacy remains to be established in this setting.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Aged 0-18 years who requires allogeneic hematopoietic stem cell transplant, has no 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
* Patients who are unlikely to benefit from haploidentical HSCT, e.g., terminal malignancy with multiorgan failure

Where it's running

  • Hong Kong Children's Hospital
    Hong Kong, Hong Kong
    Recruiting

Study contacts

  • Principal investigator: Daniel KL Cheuk, MBBS — Hong Kong Children's Hospital
  • Study coordinator: Daniel KL Cheuk, MBBS
  • Email: cheukkld@hku.hk
  • Phone: 852-35136049

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.