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PEAR1, PON1, CYP2C19, CYP1A2 and F2R Polymorphisms are Associated with MACE in Clopidogrel-Treated Patients with Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention.
Pharmgenomics Pers Med
December 2024
Department of Cardiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, People's Republic of China.
Objective: The objective of this study was to evaluate the impact of clopidogrel-related gene polymorphisms on the occurrence of recurrent thrombotic events and cardiovascular death in patients with acute coronary syndrome (ACS) following percutaneous coronary intervention (PCI).
Methods: We conducted genotype testing for 26 specific loci mapped to 18 clopidogrel-associated genes in ACS patients who had undergone PCI and were receiving dual antiplatelet therapy only involving clopidogrel. We documented major adverse cardiovascular events (MACE) and clinical endpoints, analyzing the effect of genetic polymorphisms on treatment outcomes.
Impact of CYP2C19 Phenotype on Escitalopram Response in Geriatrics: Based on Physiologically-Based Pharmacokinetic Modeling and Clinical Observation.
Clin Pharmacol Ther
December 2024
College of Pharmacy, CHA University, Seongnam-si, Gyeonggi-do, South Korea.
Escitalopram is commonly prescribed for depressive and anxiety disorders in elderly patients, who often show variable drug responses and face higher risks of side effects due to age-related changes in organ function. The CYP2C19 polymorphism may further affect escitalopram pharmacokinetics in elderly patients, complicating dose optimization for this group. Previous pharmacogenetic studies examining the impact of CYP2C19 phenotype on escitalopram treatment outcomes have primarily focused on younger adults, leaving a gap in understanding its effects on the elderly.
View Article and Find Full Text PDFOptimization of Clozapine Treatment: Study of Variables Affecting Response in Uruguayan Patients With Schizophrenia.
J Clin Psychopharmacol
December 2024
Human Molecular Genetics Laboratory, Institut Pasteur de Montevideo.
Purpose/background: Clozapine is the recommended drug for treatment-resistant schizophrenia. Drug response could be affected by numerous factors such as age, sex, body mass index, co-medication, consumption of xanthine-containing beverages, smoking, and genetic variants of the enzymes involved in clozapine metabolism (CYP1A2, CYP3A4, and, to a lesser extent, CYP2C19 and CYP2D6). This study evaluated genetic and nongenetic variables that may affect clozapine plasma concentrations in Uruguayan patients with schizophrenia.
View Article and Find Full Text PDFEvaluation of the Effect of Risankizumab on the Pharmacokinetics of Cytochrome P450 Substrates in Patients with Moderately to Severely Active Ulcerative Colitis or Crohn's Disease.
Clin Pharmacokinet
December 2024
Clinical Pharmacology, AbbVie Inc., Dept R4PK, Bldg AP31-3, 1 North Waukegan Road, North Chicago, IL, 60064-1802, USA.
Background And Objective: The objective of this study was to characterize the effects of risankizumab on the pharmacokinetics of cytochrome P450 (CYP) 1A2, CYP2C9, CYP2C19, CYP2D6, and CYP3A substrates in patients with moderately to severely active Crohn's disease (CD) or ulcerative colitis (UC) using a cocktail approach.
Methods: Patients with CD or UC (n = 20) received single doses of probe substrates for CYP1A2 (caffeine 100 mg), CYP2C9 (warfarin 10 mg), CYP2C19 (omeprazole 20 mg), CYP2D6 (metoprolol 50 mg), and CYP3A (midazolam 2 mg) before and after intravenous infusions of risankizumab 1800 mg once every 4 weeks for four doses. Serial blood samples were collected for determination of concentrations of the CYP probe drugs and metabolites with and without risankizumab.
Impact of fresh grape juice on the pharmacokinetics of omeprazole: results of a food-drug interaction study.
Front Pharmacol
December 2024
Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan.
Grapes have been widely used for dietary ailments due to their attributed pharmacological activities. Resveratrol, the chief constituent of grapes, is responsible for their pharmacological benefits. However, apart from their beneficial effects, grapes have also recently been considered in drug interaction studies.
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