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Esomprazole

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https://www.readbyqxmd.com/read/26159874/cyp2c19-phenoconversion-by-routinely-prescribed-proton-pump-inhibitors-omeprazole-and-esomeprazole-clinical-implications-for-personalized-medicine
#1
Martin Klieber, Herbert Oberacher, Silvia Hofstaetter, Beate Beer, Martin Neururer, Anton Amann, Hannes Alber, Anil Modak
The phenotype pantoprazole-(13)C breath test (Ptz-BT) was used to evaluate the extent of phenoconversion of CYP2C19 enzyme activity caused by commonly prescribed proton pump inhibitors (PPI) omeprazole and esomprazole. The Ptz-BT was administered to 26 healthy volunteers and 8 stable cardiovascular patients twice at baseline and after 28 days of PPI therapy to evaluate reproducibility of the Ptz-BT and changes in CYP2C19 enzyme activity (phenoconversion) after PPI therapy. The average intrapatient interday variability in CYP2C19 phenotype (n = 31) determined by Ptz-BT was considerably low (coefficient of variation, 17%)...
September 2015: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/20499372/inhibiting-gastric-acid-production-does-not-affect-intestinal-calcium-absorption-in-young-healthy-individuals-a-randomized-crossover-controlled-clinical-trial
#2
RANDOMIZED CONTROLLED TRIAL
Matthew J Wright, Rebecca R Sullivan, Erin Gaffney-Stomberg, Donna M Caseria, Kimberly O O'Brien, Deborah D Proctor, Christine A Simpson, Jane E Kerstetter, Karl L Insogna
Proton pump inhibitors (PPIs) are the most potent gastric acid suppressing drugs available, and their use is widespread. An emerging concern about chronic PPI therapy is whether these drugs impair intestinal calcium absorption, resulting in a negative calcium balance and thereby potentially causing bone loss. The objective of this study was to evaluate the acute effect of the PPI esomeprazole or placebo on intestinal calcium absorption in healthy adults. Twelve young adults participated in a placebo-controlled, double-blind, crossover study...
October 2010: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
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