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Abatacept s.c. for aGVHD Prevention in Haplo-HCT

The Efficacy and Safety of Subcutaneous Abatacept in the Prevention of Acute Graft-versus-host Disease After Haplo-identical Donor Hematopoietic Cell Transplantation

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04686929
Enrollment
29
Registered
2020-12-29
Start date
2021-06-01
Completion date
2026-01-31
Last updated
2026-06-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Abatacept, Acute-graft-versus-host Disease, Haplo-identical HCT, Prevention

Brief summary

Acute graft-versus-host disease (aGVHD) is a potentially fatal complication after allogeneic hematopoietic cell transplantation (HCT), particularly for that with a HLA-mismatched donor. Abatacept has been demonstrated as a potent drug to reduce the risk of aGVHD, but the efficacy of subcutaneous form has yet been investigated. This trial is designed to preliminarily determin the efficacy and saftey of subcutaneous abatacept in the prevention of aGVHD after haplo-identical HCT.

Interventions

DRUGAbatacept s.c.

subcutaneous abatacept: 250mg (d-1) , 125mg (d+5, +14, +21, +28, +35, +42, +49, +56) combined with CsA, MTX, MMF.

Sponsors

The First Affiliated Hospital of Soochow University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age≧18 years 2. ECOG score 0-2 / Karnofsky score≧80 3. haplo-HCT is proposed 4. Conditioning with motified Bu/Cy+ATG regimen 5. Having the following hematologic malignancies with transplant indications: 1. Acute leukemia 2. Myelodysplastic syndrome 3. Aggressive lymphoma 6. Expected survival ≥ 3 months 7. Written informed Consent can be acquired 8. Agree to use effective contraception

Exclusion criteria

1. With a history of allo-HCT previously 2. Allergic/intolerant to Abatacept 3. Contraindications to the use of Abatacept 4. HIV infection, or active HBV infection or HCV infection 5. Uncontrolled active infection 6. Vital organ function intolerated to transplantation 7. Other malignancies except for the following diseases: malignant tumors that have been cured for at least 3 years without active lesions; adequete treated non-melanoma skin cancer, malignant amygdala, and carcinoma in situ without active lesions 8. Evidence of complications or medical conditions that may interfere with research or put the subjects at serious risk, including but not limited to severe cardiovascular disease (e.g. New York Heart Association grade III or IV heart disease, myocardial infarction in the past 6 months, unstable arrhythmia or unstable angina) and/or severe lung disease (e.g. history of severe obstructive lung disease and symptomatic bronchospasm) 9. Pregnant and lactational women 10. Any life-threatening disease, medical condition, or organ dysfunction unfit for participants, or may interfere with the absorption or metabolism of Abatacept

Design outcomes

Primary

MeasureTime frameDescription
Incidence of overt aGVHD100 days post-HCTThe incidence of grade II-IV aGVHD post-transplantation

Secondary

MeasureTime frameDescription
Incidence of aGVHD100 days post-HCTThe incidence of grade I-IV aGVHD post-transplantation
Incidence of severe aGVHD100 days post-HCTThe incidence of grade III-IV aGVHD post-transplantation
Early transplant-related mortality100 days post-HCTThe incidence of early transplant-related mortality
Relapse100 days post-HCTThe incidence of relapse/progression of underlying disease

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 12, 2026