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The influence of pharmacogenetics and cofactors on clinical outcomes in kidney transplantation.

Abstract : INTRODUCTION: Immunosuppressive drugs have a narrow therapeutic range and large inter-individual response variability. This has prompted pharmacogenetic studies, mostly with regard to their dose-concentration relationships, but also about proteins involved in their pharmacodynamics. Some polymorphisms of genes involved in their disposition pathways were shown to affect their dose-concentration relationships. The impact of pharmacogenetics on tissue distribution and the resulting clinical effects have less often been studied. More importantly, a few single nucleotide polymorphisms seem to have a significant impact on the incidence of acute rejection or the adverse effects of immunosuppressants. Environmental factors often interact with such genotype-phenotype relationships. AREAS COVERED: This article reviews the impact of genetic polymorphisms of the metabolic enzymes, membrane transporters and target proteins of mycophenolic acid, calcineurin inhibitors and mammalian target of rapamycin inhibitors on clinical outcomes in kidney transplantation. EXPERT OPINION: The current level of evidence is not yet high enough to recommend pharmacogenetic personalization of immunosuppressive regimens in transplant recipients. The prevention of cellular toxicity associated with local metabolism or transport, which cannot be addressed by routine monitoring, is worth investigating further.
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Submitted on : Friday, March 23, 2012 - 3:59:49 PM
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Nicolas Picard, Pierre Marquet. The influence of pharmacogenetics and cofactors on clinical outcomes in kidney transplantation.. Expert Opinion on Drug Metabolism and Toxicology, Taylor & Francis, 2011, 7 (6), pp.731-43. ⟨10.1517/17425255.2011.570260⟩. ⟨inserm-00577136⟩

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