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The Comparison of Tacrolimus and Sirolimus Immunosuppression Based Drug Regimens in Kidney Transplant Recipients

Registration Number
NCT00275535
Lead Sponsor
Mayo Clinic
Brief Summary

This study was done to find out which treatment, tacrolimus or sirolimus, leads to better long-term kidney function in kidney transplant patients.

Detailed Description

The aim of this study was to compare the complete avoidance of calcineurin inhibitors (CI) using a sirolimus-based immunosuppressive regimen to a tacrolimus-based regimen in kidney transplantation. This study was a prospective open-label trial randomizing patients to receive tacrolimus, mycophenolate mofetil and prednisone or sirolimus, mycophenolate mofetil and prednisone. All patients received antithymocyte globulin induction. All rejection episodes were proven by biopsy. The hypothesis was that CI free immunosuppression after kidney transplantation will lead to an increase in glomerular filtration rate (GFR) at one year after kidney transplantation.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
165
Inclusion Criteria
  • Living and deceased donor kidney transplant recipients at the Mayo Clinic, Rochester, Minnesota
Exclusion Criteria
  • Patients with type 1 diabetes less than 50 years of age who receive a living donor kidney transplant followed by a pancreas transplant
  • Pediatric patients (<18 years of age)
  • Multi-organ transplants (e.g., kidney-pancreas, kidney-liver)
  • ABO-incompatible or positive crossmatch recipients (ABO incompatibility is an immune system reaction that occurs when blood from two different and incompatible blood types are mixed together.)
  • Patients with severe hyperlipidemia (serum cholesterol >350 mg/dl or serum triglycerides >500 mg/dl
  • Patients with severe leukopenia (White Blood Cell count [WBC]<3000 10^3/ml)
  • Patients unwilling to return to the transplant center for late follow-up visits
  • Body mass index (BMI) ≥ 32 with incisional problems post transplant (as determined by renal transplant surgeon

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
TacrolimusAnti-thymocyte globulinCalcineurin inhibitor arm, consisting of treatment with tacrolimus, mycophenolate mofetil, and prednisone.
TacrolimusPrednisoneCalcineurin inhibitor arm, consisting of treatment with tacrolimus, mycophenolate mofetil, and prednisone.
SirolimusAnti-thymocyte globulinCalcineurin inhibitor-free arm, consisting of treatment with rapamycin, mycophenolate mofetil, and prednisone.
SirolimusMycophenolate mofetilCalcineurin inhibitor-free arm, consisting of treatment with rapamycin, mycophenolate mofetil, and prednisone.
SirolimusSirolimusCalcineurin inhibitor-free arm, consisting of treatment with rapamycin, mycophenolate mofetil, and prednisone.
TacrolimusMycophenolate mofetilCalcineurin inhibitor arm, consisting of treatment with tacrolimus, mycophenolate mofetil, and prednisone.
TacrolimusTacrolimusCalcineurin inhibitor arm, consisting of treatment with tacrolimus, mycophenolate mofetil, and prednisone.
SirolimusPrednisoneCalcineurin inhibitor-free arm, consisting of treatment with rapamycin, mycophenolate mofetil, and prednisone.
Primary Outcome Measures
NameTimeMethod
Glomerular filtration rate (GFR) (iothalamate clearance) at 12 months following transplantation12 months following transplantation

Glomerular filtration rate (Iothalamate clearance) at 12 months following transplantation.

Secondary Outcome Measures
NameTimeMethod
GFR (iothalamate clearance) at other time points24 months
Other measures of renal function (serum creatinine, proteinuria and albuminuria)24 months
Acute rejection both early and after tacrolimus withdrawal24 months
Patient and graft survival24 months after transplantation
Complications-especially hypertension, diabetes, dyslipidemia24 months

Trial Locations

Locations (1)

Mayo Clinic

🇺🇸

Rochester, Minnesota, United States

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