Peer-reviewed veterinary case report
Esomeprazole acid control in healthy Beagle dogs by IV, oral
By Hwang, J-H et al.·Published in Journal of veterinary internal medicine·2017·College of Veterinary Medicine, South Korea·View original on PubMed →
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Original publication title: Pharmacokinetics and Acid Suppressant Efficacy of Esomeprazole after Intravenous, Oral, and Subcutaneous Administration to Healthy Beagle Dogs.
- Species:
- dog
Plain-English summary
A group of healthy adult Beagle dogs were given esomeprazole, a medication that helps reduce stomach acid, through different methods: intravenous (IV), subcutaneous (under the skin), and oral (by mouth). The study found that all methods effectively increased the pH level in the stomach, meaning they reduced acidity, with oral administration showing the best results. This suggests that esomeprazole could be a good option for dogs needing acid reduction, especially if they can't take it by mouth. No significant side effects were noted during the study.
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Abstract
BACKGROUND: Esomeprazole is an S-enantiomer of omeprazole that has favorable pharmacokinetics and efficacious acid suppressant properties in humans. However, the pharmacokinetics and effects on intragastric pH of esomeprazole in dogs have not been reported. OBJECTIVE: To determine the pharmacokinetics of esomeprazole administered via various routes (PK study) and to investigate the effect of esomeprazole on intragastric pH with a Bravo pH monitoring system (PD study). ANIMALS: Seven adult male Beagle dogs and 5 adult male Beagle dogs were used for PK and PD study, respectively. METHODS: Both studies used an open, randomized, and crossover design. In the PK study, 7 dogs received intravenous (IV), subcutaneous (SC), and oral doses (PO) of esomeprazole (1 mg/kg). Each treatment period was separated by a washout period of at least 10 days. Esomeprazole plasma concentrations were measured by HPLC/MS/MS. In the efficacy study, intragastric pH was recorded without medication (baseline pH) and following IV, SC, and PO esomeprazole dosing regimens (1 mg/kg) in 5 dogs. RESULTS: The bioavailability of esomeprazole administered as PO enteric-coated granules and as SC injections was 71.4 and 106%, respectively. The half-life was approximately 1 hour. Mean ± SD percent time intragastric pH was ≥3 and ≥4 was 58.9 ± 21.1% and 40.9 ± 17.3% for IV group, 75.8 ± 16.4% and 62.7 ± 17.7% for SC group, 88.2 ± 8.9% and 82.5 ± 7.7% for PO group, and 12.5 ± 3.6% and 3.7 ± 1.8% for baseline. The mean percent time with intragastric pH was ≥3 or ≥4 was significantly increased regardless of the dosing route (P < .05). CONCLUSION: The PK parameters for PO and SC esomeprazole administration were favorable, and esomeprazole significantly increased intragastric pH after IV, PO, and SC administration. IV and SC administration of esomeprazole might be useful when PO administration is not possible. No significant adverse effects were observed.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/28407418/