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Current Pharmaceutical Design

Editor-in-Chief

ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

Review Article

Role of Pharmacogenomics in Antiepileptic Drug Therapy: Current Status and Future Perspectives

Author(s): Antonio Gambardella*, Angelo Labate, Laura Mumoli, Iscia Lopes-Cendes and Fernando Cendes*

Volume 23, Issue 37, 2017

Page: [5760 - 5765] Pages: 6

DOI: 10.2174/1381612823666170911111536

Price: $65

Abstract

Background. Growing evidence indicates that pharmacogenomics will positively impact treatment for patients with epilepsy in the near future, leading to the implementation of a precision-based use of antiepileptic drug (AED) therapy, thereby providing a cornerstone for precision medicine.

Objective: In this review, we briefly summarize the studies of pharmacogenomics in epilepsy, recent advances, and how it may progress in the future.

Methods: We subdivided the review into two main sections: genetic variants that may modulate response to AEDs through pharmacokinetics or pharmacodynamics mechanisms; and gene variants that may affect tolerability and safety of AEDs.

Results: Results from most studies have been contradictory, due to several flaws, including small sample sizes, inaccurate phenotyping, and genotyping strategies. However, even with these limitations, very recent developments indicate that the goal of incorporating genetic data into clinical practice may be attainable in the near future. In addition, recent pharmacogenomic studies of hypersensitivity reactions to AEDs have also made important strides, as its prevention appears attainable with the identification of HLA-A genotypes for patients at high risk of carbamazepine hypersensitivity.

Conclusion: To better clarify the relationship between genetic factors and AEDs, future studies will require more precise epilepsy phenotypes, larger sample sizes, and astute use of new genotyping strategies. Reasonably, this will lead to novel therapeutic approaches in drug targeting and antiepileptogenesis.

Keywords: AEDs, epilepsy, pharmacogenomics, pharmacokinetics, pharmacodynamics, precision medicine, drug resistance, drug response, adverse drug reactions.

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