Phase II Study Comparing Donor Modified Immune Cells MIC Therapy to Standard Immunosuppression in Adults Undergoing Living Donor Kidney Transplantation
Led by TolerogenixX GmbH · Updated on 2025-04-11
126
Participants Needed
8
Research Sites
104 weeks
Total Duration
AI-Summary
What this Trial Is About
Researchers are evaluating the safety and effectiveness of an investigational medicine called MIC in patients undergoing living donor kidney transplantation. This Phase II clinical trial involves 63 pairs of donors and recipients randomly assigned to one of three groups. The purpose is to compare MIC therapy combined with different immunosuppressive regimens against standard care to see if MIC can improve transplant outcomes and reduce rejection risks.
Patients in the MIC groups receive MIC as a single intravenous dose based on body weight, prepared from donor blood cells collected through leukapheresis. Two MIC treatment arms use different levels of immunosuppression with gradual reduction of medications like tacrolimus and corticosteroids. The control group receives standard immunosuppressive treatment without MIC. Following transplantation, all patients are monitored for one year, followed by an additional two years of safety observation.
Participants will have regular visits during the 12-month follow-up to assess kidney function, immune responses, infection rates, and quality of life through lab tests, biopsies, and questionnaires. Researchers will track outcomes such as rejection episodes, antibody development, survival rates, and medication use. Long-term monitoring will continue for two years post-trial to evaluate ongoing safety and transplant health.
CONDITIONS
Brief Title
Clinical Trial With Donor Modified Immune Cells in Living Donor Kidney Transplantation
Research Team
M
Matthias Schaier, Prof.Dr.med.
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Donors must be 18 years or older and able to consent
Donors must understand the clinical trial and provide written consent
Patients must have chronic kidney disease stage 5 and be preparing for a living donor kidney transplant
Patients must be 18 to under 70 years old
Patients must have ABO blood group compatible with the donor
Patients must be receiving their first kidney transplant
Patients must have less than 20% panel reactive antibodies
No donor-specific HLA antibodies detected in patients
Negative CDC crossmatch test with donor
Negative PCR test for SARS-CoV-2 at screening
Donor must have given written consent for trial participation
Patients must understand the trial and give written informed consent
Female patients of childbearing potential must have a negative pregnancy test and agree to use effective contraception or abstinence during the trial
Male patients must use condoms or practice abstinence during the trial and for 90 days after stopping certain drugs
You will not qualify if you...
Donors who are pregnant or breastfeeding
Donors participating in another interventional trial recently
Donors with severe psychiatric, cardiovascular, neurological, liver, or kidney diseases
Donors with infections that pose transmission risk
Donors with autoimmune diseases requiring immunosuppression
Donors with recent immunosuppressive therapy or substance abuse
Donors with recent invasive procedures or blood exposures
Donors with certain blood count abnormalities or hypersensitivity to leukapheresis components
Patients with severe psychiatric disorders or advanced heart failure
Patients with severe liver disease or active infections like HIV, hepatitis, or syphilis
Patients negative for Epstein-Barr virus antibodies unless donor is also negative
Patients with recent cancer, vasculitis, or collagenosis
Patients with recent immunosuppressive therapy or vaccinations
Patients without spleen or with substance abuse
Pregnant or breastfeeding patients
Female patients with biological children from the donor
Patients with hypersensitivity to MIC components
Patients involved in other trials recently or related to the study team
Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Treatment
Duration - Up to 367 days post MIC infusion
Participants receive a single intravenous infusion of donor modified immune cells (MIC) plus immunosuppression or standard care immunosuppression following kidney transplantation.
Multiple visits including days 0, 5, 6, 7, 37, 97, 142, 183, 187, 277, and 367 post infusion
Follow-up
Duration - Up to 3 years after transplantation
Participants are monitored for safety, kidney graft function, immune response, and adverse events after treatment.
Assessments at multiple time points including months 24 and 36 post infusion
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
3
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Published Research Related To This Trial
Individualised immunosuppression with intravenously administered donor-derived modified immune cells compared with standard of care in living donor kidney transplantation (TOL-2 Study): protocol for a multicentre, open-label, phase II, randomised controlled trial.
Christian Morath, Anita Schmitt, Michael Schmitt...