Results 21 to 30 of about 34,491 (205)

Stereoselective Determination of Omeprazole and 5-Hydroxy-Omeprazole in Dried Blood Spots for CYP2C19 Activity Assessment. [PDF]

open access: yesBasic Clin Pharmacol Toxicol
ABSTRACT We previously proposed stereoselective 5‐hydroxy‐omeprazole/omeprazole cut‐offs for R‐ and S‐omeprazole to differentiate between rapid, normal, and poor CYP2C19 metabolisers. However, the performance of these stereoselective CYP2C19 phenotyping approaches has never been compared with conventional racemic omeprazole phenotyping.
Hectors T   +5 more
europepmc   +2 more sources

Occupational contact allergy to omeprazole and ranitidine [PDF]

open access: yes, 2017
Omeprazole is a proton pump inhibition and ranitidine is an H2 histamine receptor antagonist widely used in the treatment of gastroesophageal reflex disease, peptic ulcer disease, Zollinger-Ellison syndrome and as a protector of the gastric mucosae.
Martí Amengual, Gabriel   +8 more
core   +2 more sources

Omeprazole Treatment Enhances Nitrogen Use Efficiency Through Increased Nitrogen Uptake and Assimilation in Corn

open access: yesFrontiers in Plant Science, 2019
Omeprazole is a selective proton pump inhibitor in humans that inhibits the H+/K+-ATPase of gastric parietal cells. Omeprazole has been recently shown to act as a plant growth regulator and enhancer of salt stress tolerance.
Michael James Van Oosten   +7 more
doaj   +1 more source

Omeprazole impairs vascular redox biology and causes xanthine oxidoreductase-mediated endothelial dysfunction

open access: yesRedox Biology, 2016
Proton pump inhibitors (PPIs) are widely used drugs that may increase the cardiovascular risk by mechanisms not entirely known. While PPIs increase asymmetric dimethylarginine (ADMA) levels and inhibit nitric oxide production, it is unknown whether ...
Lucas C. Pinheiro   +5 more
doaj   +1 more source

Antioxidant protection enzyme activity in the blood serum and large intestinal mucosa of rats with prolonged gastric hypochlorhydria and given multiprobiotics

open access: yesRegulatory Mechanisms in Biosystems, 2019
The activity of antioxidant protection enzymes in the blood serum and colon mucosa in rats was studied under the conditions of 28-days administration of omeprazole on its own and omeprazole together with multiprobiotics "Symbiter" and "Apibact ...
S. V. Pylypenko, A. A. Koval
doaj   +1 more source

Evaluation of the effects of medium‐term (57‐day) omeprazole administration and of omeprazole discontinuation on serum gastrin and serum chromogranin A concentrations in the horse

open access: yesJournal of Veterinary Internal Medicine, 2023
Background Rebound gastric hyperacidity (RGH) secondary to hypergastrinemia has been suggested to contribute to the rapid recurrence of equine squamous gastric disease (ESGD) in horses after discontinuation of omeprazole.
Bethanie Clark   +6 more
doaj   +1 more source

Molecular mechanism of inhibition of the mitochondrial carnitine/acylcarnitine transporter by omeprazole revealed by proteoliposome assay, mutagenesis and bioinformatics. [PDF]

open access: yesPLoS ONE, 2013
The effect of omeprazole on the mitochondrial carnitine/acylcarnitine transporter has been studied in proteoliposomes. Externally added omeprazole inhibited the carnitine/carnitine antiport catalysed by the transporter.
Annamaria Tonazzi   +2 more
doaj   +1 more source

Effects of astragaloside IV on the pharmacokinetics of omeprazole in rats

open access: yesPharmaceutical Biology, 2019
Context: Omeprazole and astragaloside IV (AS-IV) are widely used for the treatment of gastric ulcers in China clinics. Objective: This study investigates the effects of AS-IV on the pharmacokinetics of omeprazole in rats.
Wei Liu, Guozhi Liu, Jing Liu
doaj   +1 more source

Retrospective evaluation of the effect of omeprazole on clozapine metabolism [PDF]

open access: yes, 2004
Objective: To study the effect of the replacement of omeprazole by pantoprazole on clozapine metabolism in 13 psychiatric patients, who used both clozapine and omeprazole. Method: Retrospective study of the medical files.
Mookhoek, Evert J.   +1 more
core   +1 more source

Changes in omeprazole pharmacokinetics in rats with diabetes induced by alloxan or streptozotocin: Faster clearance of omeprazole due to induction of hepatic CYP1A2 and 3A1

open access: yesJournal of Pharmacy & Pharmaceutical Sciences, 2007
Purpose. To investigate the effect of diabetes mellitus induced by alloxan (DMIA) or streptozotocin (DMIS) on the pharmacokinetics of omeprazole in rats.
Dae Young Lee   +3 more
doaj   +1 more source

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