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Clinical Trial Summary

Kidney transplant recipients of living- and deceased donor grafts and treated with both mycophenolate mofetil (MMF) and tacrolimus (Tac) will be included. A 12-hour pharmacokinetic (PK) investigation of both mycophenolate (MPA) and Tac will be performed in pharmacokinetic steady state conditions between 3 to 8 weeks and one year after transplantation. Feces samples will be collected before (if possible), 1 week after transplantation and at the day of the 12-hour PK investigations. Data on dietary intake and physical activity will be obtained in association with the feces sampling in all patients. Patients will be invited to a follow-up visit one year after transplantation where the 12-hour PK investigation, feces sampling, dietary and activity data collection is repeated. Standard follow-up data after renal transplantations, such as acute rejection episodes, infections, renal function, post transplant diabetes mellitus (PTDM), protocol biopsies, adherence to immunosuppressive drugs, graft loss and death will be collected for all patients up to 5 years after transplantation according to standard schedule at the transplant center. A subgroup of kidney transplant recipients scheduled for living donor transplantation will be included before transplantation for pre-transplant investigations in addition to the investigations after transplantation. These patients will be randomized to either receive one week of treatment with MMF or Tac before transplantation. Feces samples and a 12-hour PK investigation will be performed after one week of treatment (before transplantation).


Clinical Trial Description

The analyses of feces samples will be performed by utilizing shotgun, next generation sequencing in order to determine the bacterial, fungal sand viral microbiome. Drug concentrations will be analyzed with high performance Liquid chromatography With double mass spectrometry detector (HPLC-MS/MS) technology and both free and total plasma MPA concentrations, total mycophenolate glucoronide (MPAG) concentrations and total whole blood Tac and methylated Tac-metabolite concentrations will be determined. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04207177
Study type Interventional
Source Oslo University Hospital
Contact
Status Active, not recruiting
Phase Phase 4
Start date October 30, 2019
Completion date December 31, 2025

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