Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 14 to 65

Personalized ATG dosing in unrelated donor stem cell transplants

Official title: Application of Anti-Thymocyte Globulin(ATG) Individualized Dosing Model in Unrelated Donor Hematopoietic Stem Cell Transplantation

Run by Chinese PLA General Hospital · NCT07648992 · Data updated 2026-11-12

This trial tests whether tailoring anti-thymocyte globulin dosing works better than standard fixed dosing in adults and adolescents receiving unrelated donor stem cell transplants.

Quick facts

PhasePhase 4
Study typeInterventional
Ages14 Years to 65 Years
SexAll
Enrollment324 (estimated)
SponsorChinese PLA General Hospital
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedDecember 1, 2025
Main results expectedDecember 30, 2029
Study endsDecember 30, 2029
Registry record updatedJune 15, 2026
Trial IDNCT07648992 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults and adolescents (age 14–65) with malignant hematologic diseases eligible for allogeneic HSCT and with an available HLA-matched, unrelated, or haploidentical donor.

Probably not a fit

Patients without a suitable donor, those outside the age range, or with organ dysfunction or uncontrolled infections may not benefit.

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

What this trial studies

The study compares individualized ATG dosing to conventional fixed-dose ATG regimens in patients undergoing unrelated donor peripheral blood stem cell transplantation for malignant hematologic diseases. It aims to see if personalized dosing can reduce complications and improve outcomes by optimizing immune suppression and graft-versus-host disease prevention. The trial is conducted in a setting with high CMV challenge, with the goal of improving overall survival and long-term prognosis. This is a Phase 4 interventional study led by Daihong Liu, with collaboration from Peking University People’s Hospital and The First Affiliated Hospital of Zhengzhou University, at Chinese PLA General Hospital in Beijing.

Why it matters

Potential benefit: If successful, patients may experience lower CMV-related complications, better survival, and improved quality of life after transplantation.

How similar studies have gone: ATG is commonly used to prevent GVHD, and prior approaches show promise; this study tests whether dosing personalization adds benefit in URD-HSCT.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients with indications for allogeneic hematopoietic stem cell transplantation, with malignant hematologic diseases in CR1 or CR2 before transplantation.
2. Have an HLA-matched sibling, unrelated, or haploidentical donor.
3. Age ≥ 14 years and ≤ 65 years.
4. Liver function: ALT and AST ≤ 2.5 × upper limit of normal, bilirubin ≤ 2 × upper limit of normal.
5. Renal function: creatinine ≤ upper limit of normal.
6. No uncontrolled infection or severe mental or psychological disorders.
7. ECOG performance status score of 0-2.
8. Signed informed consent.

Exclusion Criteria:

\- 1.No HLA-matched donor. 2.Malignant hematologic disease in CR3 or higher disease stage, or refractory/relapsed status.

3.Patient age \< 14 years or \> 65 years. 4.Pregnancy of either the donor or the recipient. 5.Presence of mental illness or other conditions that preclude compliance with the protocol.

Where it's running

  • Chinese PLA General Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • Population PK-guided ATG Dosing in Haplo-HSCT

    This study tests a population PK-guided dosing strategy for anti-thymocyte globulin (ATG) in adults and adolescents undergoing haploidentical stem cell transplantation to see if it can reduce GVHD while keeping relapse risk acceptable.

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  • T-cell–guided letermovir stopping after allogeneic stem cell transplant

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  • Etamsylate versus placebo to prevent bleeding after stem cell transplant

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    Recruiting Phase 3 First Affiliated Hospital of Zhejiang University · Hangzhou, Zhejiang · NCT07442513

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.