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Low-Dose ATG/PTCy Plus Ivarmacitinib for aGVHD Prevention in Haplo-PBSCT From Parous Female Donors

NCT07570745 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 82

Last updated 2026-05-06

No results posted yet for this study

Summary

Graft-versus-host disease (GVHD) is a major complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT), significantly affecting survival and quality of life. Acute GVHD (aGVHD) typically occurs within 100 days post-transplant, commonly involving skin, gastrointestinal tract, and liver. Chronic GVHD (cGVHD) can appear months to years later.

Despite prophylaxis with calcineurin inhibitors (e.g., cyclosporine or tacrolimus), methotrexate, mycophenolate mofetil, and post-transplant cyclophosphamide (PTCy), patients receiving haploidentical transplantation from parous female donors remain at high risk for moderate-to-severe aGVHD.

JAK1-dependent cytokine signaling (IL-6, IFN-γ) is central to GVHD pathogenesis. Selective JAK1 inhibition may attenuate T cell-mediated inflammation while preserving hematopoiesis. Ivarmacitinib (SHR0302) is a highly selective oral JAK1 inhibitor, showing favorable safety and preliminary efficacy in autoimmune and GVHD settings, making it a candidate for early GVHD prophylaxis.

Conditions

  • Graft-Versus-Host Disease(GVHD)
  • Bone Marrow Transplantation

Interventions

DRUG

Low-dose ATG + PTCy + Ivarmacitinib

Patients will receive rabbit ATG 2.5 mg/kg on Day -2 and -1 (total 5 mg/kg), post-transplant cyclophosphamide 50 mg/kg on Day +3, cyclosporine/MMF starting Day +4, and Ivarmacitinib 4 mg PO daily from Day -3 to +45, reduced to 2 mg PO daily from Day +46 to +60

Sponsors & Collaborators

  • Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine

    lead OTHER

Principal Investigators

  • Xianmin Song, PhD · Shanghai General Hospital Affiliated to Shanghai Jiao Tong University

Study Design

Allocation
NA
Purpose
PREVENTION
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-05-01
Primary Completion
2028-05-01
Completion
2029-05-01

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07570745 on ClinicalTrials.gov