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Pharmacokinetics of Immunosuppressive Drugs in Heart Transplant Patients — PIGREC  

Heart Transplant Clinical Trial

Official title:
Multicentre, Open Study for the Setting up of Population Pharmacokinetic Models and Bayesian Estimators for Individual Dose Adjustment of Immunosuppressive Drugs (Cyclosporine, Tacrolimus, Mycophenolate Mofetil, Everolimus) During the First Year Post-grafting in Adult Heart Transplant Recipients.

Clinical Trial Summary

The main objective is to develop pharmacokinetic methods for individual dose adjustment of the global immunosuppressive treatment (cyclosporine, tacrolimus, mycophenolate mofetil and everolimus, taking into account the pharmacokinetic interactions), in order to optimise the efficiency and reduce the potentially severe sides effects of these drugs.

Forty five heart-transplant patients are to be included in this phase IV study to obtain a minimum of 10 patients treated with tacrolimus-mycophenolate, 10 with cyclosporine-mycophenolate and 20 with everolimus-cyclosporine.

Ten to 11 blood samples will be collected within the 8 to 12 hours post-dose in each patient and the immunosuppressive drug concentrations will be measured by LC-MS/MS.

The pharmacokinetic models and Bayesian estimators thus developed will provide tools for individual dose adjustment of immunosuppressive drugs simultaneously, at different post-transplant periods, using the area under the concentration-time curve (AUC) estimated using a limited number of time-points (2 or 3).

Clinical Trial Description

For each heart transplant patient, 10 to 11 blood samples (5 mL each) will be collected following dosing of he immunosuppressive drugs (at T0, T20', T40', T60', T90', T2h, T3h, T4h, T6h, T8h and T10h + T12h for inpatients), at several post-transplant periods (7 to 15 days, 1 month, 3 month and 1 year after transplantation). One more blood sample will be taken at D7-14 for pharmacogenetic analyses. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00812786
Study type Interventional
Source University Hospital, Limoges
Contact
Status Completed
Phase Phase 4
Start date July 2007
Completion date May 2012
View Details
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