The Impact of Two Recommended Withholding Periods for Omeprazole and the Use of a Nutraceutical Supplement on Recurrence of Equine Gastric Ulcer Syndrome in Thoroughbred Racehorses

The impact of recommended withholding periods (RWPs) for omeprazole on the recurrence of Equine Gastric Ulcer Syndrome (EGUS) is unknown. The study was designed to compare the effect of two RWPs on EGUS recurrence post-omeprazole treatment and to determine if a nutraceutical supplement would reduce...

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Bibliographic Details
Published inAnimals (Basel) Vol. 13; no. 11; p. 1823
Main Authors Shan, Ran, Steel, Catherine M, Sykes, Ben
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 31.05.2023
MDPI
Subjects
Animals
Confidence intervals
Diseases
equine gastric ulcer syndrome
Functional foods
Functional foods & nutraceuticals
gastric acid rebound
Gastroscopy
Health services
Horses
Medical research
Medicine, Experimental
Omeprazole
Proton pump inhibitors
Race horses
Racehorses
Relapse
Stomach
Stomach ulcer
Ulcers
Australia
New Zealand
Hong Kong China
United States > US
Ireland
China
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Summary:The impact of recommended withholding periods (RWPs) for omeprazole on the recurrence of Equine Gastric Ulcer Syndrome (EGUS) is unknown. The study was designed to compare the effect of two RWPs on EGUS recurrence post-omeprazole treatment and to determine if a nutraceutical supplement would reduce EGUS recurrence when administrated during an RWP. The study was a blinded, randomized clinical trial. Part 1: Horses were allocated to an RWP0 or RWP2 and crossed over after 4-weeks. Horses received oral omeprazole once daily, except during the RWPs at the end of the treatment periods. Part 2: Horses received omeprazole for 21 days prior to an RWP2 during which they received a nutraceutical supplement. Gastroscopy was performed on Day 0 and pre- and post- RWP. Part 1: More horses were affected by Equine Squamous Gastric Disease (ESGD) after the ‘2-clear-days’ RWP than the ‘not on race-day’ RWP (p = 0.012). The prevalence of ESGD post-RWP for ‘2-clear-days’ did not differ from day 0 (p = 0.478). Part 2: The prevalence of ESGD post-RWP was lower than on Day 0 (p = 0.046). A difference in recurrence of ESGD was present between the two common RWPs. The implications of this on the welfare of Thoroughbred racehorses warrant further discussion.
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ISSN:2076-2615
2076-2615
DOI:10.3390/ani13111823