CYP2C9, CYP2C19, ABCB1 genetic polymorphisms and phenytoin plasma concentrations in Mexican-Mestizo patients with epilepsy

A Ortega-Vázquez, P Dorado, I Fricke-Galindo… - The …, 2016 - nature.com
We aimed to explore the possible influence of CYP2C9 (* 2,* 3 and IVS8-109 A> T),
CYP2C19 (* 2,* 3 and* 17) and ABCB1 (1236C> T, 2677G> A/T and 3435C> T) on …

CYP2C9 polymorphisms in epilepsy: influence on phenytoin treatment

CE Silvado, VC Terra… - Pharmacogenomics and …, 2018 - Taylor & Francis
Phenytoin (PHT) is an antiepileptic drug widely used in the treatment of focal epilepsy and
status epilepticus, and effective in controlling focal seizures with and without tonic–clonic …

Possible genetic determinants of response to phenytoin in a group of Colombian patients with epilepsy

CA Calderon-Ospina, JM Galvez… - Frontiers in …, 2020 - frontiersin.org
Background Epilepsy is a serious health problem worldwide. Despite the introduction of new
antiepileptic drugs (AEDs) almost 30% of these patients have drug-resistant forms of the …

CYP2C9 polymorphism in patients with epilepsy: genotypic frequency analyzes andphenytoin adverse reactions correlation

CA Twardowschy, LC Werneck, RH Scola… - Arquivos de neuro …, 2011 - SciELO Brasil
OBJECTIVE: CYP2C9 is a major enzyme in human drug metabolism and the polymorphism
observed in the corresponding gene may affect therapeutic outcome during treatment. The …

Dosage recommendation of phenytoin for patients with epilepsy with different CYP2C9/CYP2C19 polymorphisms

CC Hung, CJ Lin, CC Chen, CJ Chang… - Therapeutic drug …, 2004 - journals.lww.com
To search for the optimal dosage of phenytoin in patients with epilepsy based on the
metabolic activities of CYP2C9 and CYP2C19 polymorphisms, a total of 169 patients …

The effect of polymorphic metabolism enzymes on serum phenytoin level

A Ozkaynakci, MI Gulcebi, D Ergeç, K Ulucan… - Neurological …, 2015 - Springer
Phenytoin has a widespread use in epilepsy treatment and is mainly metabolized by hepatic
cytochrome P450 enzymes (CYP). We have investigated CYP2C9* 2, CYP2C9* 3 …

Influence of CYP2C9 and CYP2C19 genetic polymorphisms on phenytoin-induced neurological toxicity in Indian epileptic patients

R Kesavan, SK Narayan, C Adithan - European journal of clinical …, 2010 - Springer
Abstract Objective Cytochrome P450 2C9 and 2C19 (CYP2C9 and CYP2C19, respectively)
genetic polymorphisms play an important role in phenytoin (PHT) metabolism. We have …

Influence of CYP2C9 genetic polymorphism and undernourishment on plasma-free phenytoin concentrations in epileptic patients

K Ramasamy, SK Narayan, DG Shewade… - Therapeutic drug …, 2010 - journals.lww.com
The objective of this study was to study the effect of CYP2C9 genetic polymorphism and
undernourishment on free phenytoin concentrations in epileptic patients. The study was …

Association of CYP2C9 polymorphisms with phenytoin toxicity in Indian patients

AN Thakkar, SR Bendkhale, SR Taur, NJ Gogtay… - Neurology …, 2012 - journals.lww.com
Background: Genetic polymorphisms of CYP2C9 can lead to wide inter-individual variations
in drug metabolism. Decreased metabolism leads to higher plasma levels, causing adverse …

Influence of genetic variants of CYP2D6, CYP2C9, CYP2C19 and CYP3A4 on antiepileptic drug metabolism in pediatric patients with refractory epilepsy

MA López-García, IA Feria-Romero, H Serrano… - Pharmacological …, 2017 - Springer
Background Identified the polymorphisms of CYP2D6, CYP2C9, CYP2C19 and CYP3A4,
within a rigorously selected population of pediatric patients with drug-resistant epilepsy …