Dosing Strategies for de Novo Once-daily Extended Release Tacrolimus (LCPT) in Kidney Transplant Recipients
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- STATUS
- Recruiting
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- End date
- Jul 26, 2021
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- participants needed
- 70
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- sponsor
- Temple University
Summary
Outcomes after kidney transplantation have been significantly enhanced with the advances made in immunosuppressive therapies. Tacrolimus is currently marketed as an extended-release once-daily formulation dosing option for patients, decreasing pill burden and possibly decreasing adverse effects. Some transplant recipients have been shown to have higher dosage requirements. According to the literature, this can be linked to genetic disparities in the metabolism of tacrolimus.. This potential complication, where differences on specific genes alters metabolism of tacrolimus, can increase difficulty in getting to a therapeutic drug level for immunosuppresants and is one large factor that contributes to the fact that kidney transplant survival rates differ between patients. Due to the enhanced bioavailability of Meltdose formulation once-daily extended-release tacrolimus, its de novo use in recent research and practice has been shown to expedite achievement of target tacrolimus trough concentrations. De novo use of once-daily tacrolimus formulations is understudied. Through a prospective investigational study, we aim to determine the optimal strategy for de novo dosing of once-daily extended release tacrolimus (MeltDose formulation) for kidney transplant recipients at Temple University Hospital.
Description
Patients will be identified when an organ from live or deceased donor becomes available for kidney transplant. Prior to receiving their kidney transplant, subjects will be screened for inclusion/exclusion criteria on the day of transplantation. During the pre-operative preparation for transplant, patients will be consented for surgery and consented for the study at the same time if they volunteer to be included. The transplant surgeon performing the transplant operation will be responsible for screening the patients for inclusion and exclusion criteria as well as obtaining informed consent. Patients will need to provide informed consent to be included in the study, and will receive a copy of their consent. Each potential participant will be approached by the transplant surgeon and informed of all information pertinent to the study prior to providing consent. No advertisements for recruitment will be performed and no compensation will be provided for participation.
This study is a single center prospective observational study conducted at Temple University Hospital (TUH). All participants will be consented for all procedures involved in this study. This study will utilize the QUEST questionnaire (attached) to evaluate the severity of tremors at 1 month. Data to be collected includes tacrolimus trough levels, study drug dosing, hemoglobin A1c, incidence and severity of tremors, potassium, glomerular filtration rate, and rejection episodes.
Day 0 Study drug (tacrolimus) initiated at 0.13/mg/kg/day for all patients (the day of initiation decided per transplant surgeon discretion)
Day 0-4 Inpatient laboratory parameters checked every 24 hours (serum creatinine, tacrolimus level, glomerular filtration rate, potassium, blood glucose)
Day 4-30 Outpatient laboratory parameters checked three times weekly on Monday, Wednesday, and Friday (serum creatinine, tacrolimus level, glomerular filtration rate, potassium, blood glucose)
Day 30 visit (within 5 days) Draw tacrolimus trough levels, serum creatinine, estimated glomerular filtration rate, serum potassium, and blood glucose. Complete tremor questionnaire with participant.
During or prior to Day 30 visit Oral swab performed to be analyzed for testing of metabolic enzymatic activity (This will be performed to determine ability of the patient to metabolize tacrolimus)
Details
| Condition | Renal transplant, Kidney Transplantation, kidney transplant, renal transplantation, kidney transplants |
|---|---|
| Treatment | Tacrolimus Extended Release Oral Tablet [Envarsus] 0.13mg/kg/day initiated within post-operative day 3 after kidney transplant |
| Clinical Study Identifier | NCT03713645 |
| Sponsor | Temple University |
| Last Modified on | 26 January 2021 |
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