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Cell Therapy for Immunomodulation in Kidney Transplantation

Phase 1
Active, not recruiting
Conditions
Kidney Transplantation
Interventions
Other: Regulatory T cells
Other: Immunosuppressive drug therapy
Other: Bone marrow
Procedure: Kidney transplant
Registration Number
NCT03867617
Lead Sponsor
Thomas Wekerle
Brief Summary

This study investigates treatment with recipient regulatory T cells and donor bone marrow together with tocilizumab for immunomodulation in living donor kidney transplant recipients.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
12
Inclusion Criteria
  • Patient has provided written informed consent.
  • Patient is 18 years or older.
  • Patient is a planned recipient of a living donor kidney transplant.
  • Patient is a planned recipient of an ABO blood group-compatible kidney graft.
  • Patient is a planned recipient of a kidney graft from a donor that is not HLA (human leukocyte antigen)-identical.
  • Patient is negative for DSA (donor-specific antibodies).
  • WOCBP (women of child-bearing potential) must have a negative pregnancy test at inclusion.
  • WOCBP must be using an adequate method of contraception to avoid pregnancy throughout the study and for up to 12 weeks after the study in such a manner that the risk of pregnancy is minimized.
Exclusion Criteria
  • Patient is EBV (epstein barr virus)-negative on serology.
  • Patient is HIV-positive or suffering from chronic viral hepatitis.
  • Patient is CMV (cytomegalo virus)-negative and receiving a kidney from a CMV-positive donor.
  • Positive T-cell lymphocytotoxic cross match.
  • Patient with prior kidney transplant or non-renal solid organ transplant.
  • Patient has a known contraindication to any of the protocol-specified treatments.
  • Patient had been diagnosed with a malignancy within 5 years prior to study entry, excluding non-metastatic basal or squamous cell carcinoma of the skin.
  • Female patients who are breast-feeding.
  • Female patients with a positive pregnancy test.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Study groupBone marrowTreatment with regulatory T cells, donor bone marrow and tocilizumab in addition to immunosuppressive drug therapy in kidney transplant recipients
Study groupKidney transplantTreatment with regulatory T cells, donor bone marrow and tocilizumab in addition to immunosuppressive drug therapy in kidney transplant recipients
Control groupImmunosuppressive drug therapyImmunosuppressive drug therapy without treatment with regulatory T cells, donor bone marrow and tocilizumab in kidney transplant recipients
Control groupKidney transplantImmunosuppressive drug therapy without treatment with regulatory T cells, donor bone marrow and tocilizumab in kidney transplant recipients
Study groupTocilizumabTreatment with regulatory T cells, donor bone marrow and tocilizumab in addition to immunosuppressive drug therapy in kidney transplant recipients
Study groupImmunosuppressive drug therapyTreatment with regulatory T cells, donor bone marrow and tocilizumab in addition to immunosuppressive drug therapy in kidney transplant recipients
Study groupRegulatory T cellsTreatment with regulatory T cells, donor bone marrow and tocilizumab in addition to immunosuppressive drug therapy in kidney transplant recipients
Primary Outcome Measures
NameTimeMethod
Chimerism1 month

Total leukocyte donor chimerism in blood.

Safety measured as GVHD (graft-versus-host disease), impaired graft function or patient death12 months

Incidence of composite safety endpoint by 12 months post-transplant.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Medical University of Vienna/Vienna General Hospital

🇦🇹

Vienna, Austria

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