KidneyCare Immuno-optimization in Renal Allografts (KIRA)

Status Withdrawn

Clinical Trial Summary

This is an unblinded, randomized, four-arm interventional research study enrolling patients who are undergoing kidney transplantation. The aim of the study is to determine whether patients at low risk of rejection can safely reduce the doses of their post-transplant immunosuppression medications using a combination of tests that include donor-specific antibodies (DSA), histology (looking at tissue from the donor graft), and donor-derived cell-free DNA (AlloSure). Eligible participants will be randomized in a 2:1 ratio into one of two immune-optimization (intervention) arms or the corresponding observational (control) arms. Two thirds of the participants in the study will have their decision to reduce immunosuppression made based on these test results and the other third will have the decision made based on standard of care clinical assessment and laboratory testing. The study will include two additional parameters under investigation - the AlloMap Kidney gene expression profiling test and the iBox prediction algorithm, but these will not be actively used to make any decisions as part of the trial. AlloSure, AlloMap Kidney, and iBox are the three components of the KidneyCare panel developed by CareDx.

Clinical Trial Description

This is a prospective, multicenter, open-label randomized controlled four-arm interventional trial of kidney transplant recipients receiving KidneyCare (AlloSure-Kidney, AlloMap Kidney, and iBox) surveillance testing. Eligible patients who meet inclusion/exclusion criteria and provide consent will undergo standard immune induction per their center protocol and begin a post-transplant maintenance regimen of tacrolimus and mycophenolate mofetil (MMF), with or without steroids after transplantation. If all prerequisite criteria are satisfied at 3 months, participants will be randomized and participants in the intervention arms will begin protocolized immuno-optimization, with the objective of the study being the gradual elimination of one immunosuppressive agent (either MMF or steroids) and optimization of calcineurin inhibitors (CNI) dosing. Any immune optimization changes in the control/observational arms will occur based on clinician discretion. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05423496
Study type	Interventional
Source	CareDx
Contact
Status	Withdrawn
Phase	N/A
Start date	August 2022
Completion date	February 23, 2023

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.