To investigate the variations of Donor Specific Antibodies in kidney transplant patients based on the type of immunosuppressive therapy adopted and immunosuppressive blood levels.
Retrospective observational monocentric study at the U.O.C. of Hepatobiliary Surgery and Transplants of Tor Vergata Polyclinic. All kidney transplant patients in the indicated study period will be enrolled and followed at the U.O.C. clinic. For each patient, demographic, transplant and post-transplant data will be collected. In the latter, data relating to dnDSA will be registered, searching for a possible triggering cause at the anamnestic level. The dosage of dnDSA is performed in common clinical practice in a routine manner in all patients undergoing kidney transplant, using the method "Flow cytometric analysis using FlowPRA Screening Test and/or Luminex Single Antigen Beads class I and II- IgG (cut- positivity off = MFI\> 1000)". The blood dosage of the immunosuppressor is measured during routine checks and a comparison is made between Tacrolimus-based immunosuppressive therapy and other immunosuppressive therapy, highlighting the differences in the risk of developing dnDSA and in graft and patient survival.
Study Type
OBSERVATIONAL
Enrollment
600
Flow cytometric analysis using FlowPRA Screening Test and/or Luminex Single Antigen Beads class I and II- IgG (cut- positivity off = MFI\> 1000)
Development of dnDSA in kidney transplant patients
Define the incidence of development of dnDSA in patients undergoing kidney transplantation.
Time frame: • Pre-transplant • Baseline (I PODs) • At one week • At one month • At 3 months • At 6 months • At one year • At 5 years old • At 10 years old
Graft survival
Graft survival At 5 and 10 years
Time frame: 5 and 10 years
Patient survival
Patient survival at 5 and 10 years
Time frame: 5 and 10 years
Blood dosage levels of post-transplant immunosuppressive drugs
Blood dosage levels of post-transplant immunosuppressive drugs (tacrolemia, ciclosporinemia, everolemia, sirolemia);
Time frame: • At one week • At one month • At 3 months • At 6 months • At one year • At 5 years old • At 10 years old
Donor-recipient HLA mismatch
Donor-recipient HLA mismatch
Time frame: Pre-transplant
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