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Omeprazole

CAS No. : 73590-58-6

MCE 站：Omeprazole

产品活性：Omeprazole (H 16868) 是一种质子泵 (proton pump) 抑制剂 (PPI)，有潜力用于胃肠道疾病的研究。Omeprazole 竞争性抑制 CYP2C19 活性，K_i 为 2 到 6 μM。Omeprazole 还抑制革兰氏阳性菌和革兰氏阴性菌生长。Omeprazole 是中性鞘磷脂酶 (N-SMase) 的抑制剂(外泌体抑制剂)。

研究领域：Membrane Transporter/Ion Channel  |  Autophagy  |  Anti-infection  |  Metabolic Enzyme/Protease

作用靶点：Proton Pump  |  Autophagy  |  Bacterial  |  Phospholipase

In Vitro: Omeprazole (H 16868) is a proton pump inhibitor used in the treatment of dyspepsia, peptic ulcer disease, gastroesophageal reflux disease, laryngopharyngeal reflux, and Zollinger-Ellison syndrome. Omeprazole (H 16868) virtually eliminated intragastric acidity in all patients: the median 24 hour intragastric pH rose from 1.4 to 5.3 and the mean hourly hydrogen ion activity fell from 38.50 to 1.95 mmol(mEq)/1 (p less than 0.001). This inhibition of 24 hour intragastric acidity is more profound than that previously reported with either cimetidine 1 g daily or ranitidine 300 mg daily. The pharmacokinetics of omeprazole were studied in a group of healthy male subjects after single and repeated oral doses of 30 and 60 mg. Absorption of Omeprazole (H 16868) from its enteric-coated formulation was unpredictable. There was a highly significant increase in the area under the plasma concentration time curve (AUC) after repeated dosing. Omeprazole (H 16868) increases its own relative availability following repeated dosing. This may be due to inhibition of gastric acid secretion by omeprazole which is an acid-labile compound.

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