Journal article
Effects of treatment with omeprazole or ranitidine on gastric squamous ulceration in racing Thoroughbreds
Journal of the American Veterinary Medical Association, Vol.227(10), pp.1636-1639
2005
Abstract
Objective - To compare the effects of oral administration of omeprazole and ranitidine on gastric squamous ulceration in Thoroughbreds in race training. Design - Modified crossover study. Animals - 60 Thoroughbreds in race training with gastric squamous mucosal ulceration. Procedure - Horses were randomly allocated into 3 groups. Group 1 received no treatment for 28 days followed by administration of omeprazole (4 mg/kg [1.8 mg/lb], PO, once daily) for 28 days; group 2 received omeprazole (4 mg/kg, PO, once daily) for 28 days followed by no treatment for 28 days; and group 3 received ranitidine (6.6 mg/kg [3.0 mg/lb], PO, q 8 h) for 28 days followed by administration of omeprazole (4 mg/kg, PO, once daily) for 28 days. Ulceration was assessed endoscopically at days 0, 28,42, and 56. Lesions were scored from 0 (no ulceration) to 3 (severe ulceration). Results - After the initial 28 days of treatment, the decrease in ulcer severity was significantly greater after omeprazole treatment than after ranitidine treatment. Ulcer severity decreased significantly in group 3 horses after 14 days of treatment with omeprazole. Discontinuation of omeprazole resulted in worsening of ulcer scores; however, ulcer scores at completion of the study were less than at day 0. Horses that received omeprazole after 28 days of ranitidine treatment had a further reduction in ulcer severity. Conclusions and Clinical Relevance - Omeprazole was more effective than ranitidine in healing gastric squamous ulcers in Thoroughbreds in race training. Improvement was detected by 14 days and persisted in most of the group 2 horses for at least 28 days after omeprazole treatment was discontinued.
Details
- Title
- Effects of treatment with omeprazole or ranitidine on gastric squamous ulceration in racing Thoroughbreds
- Authors/Creators
- G.D. Lester (Author/Creator) - Murdoch UniversityR.L. Smith (Author/Creator)I.D. Robertson (Author/Creator)
- Publication Details
- Journal of the American Veterinary Medical Association, Vol.227(10), pp.1636-1639
- Publisher
- American Veterinary Medical Association
- Identifiers
- 991005541171007891
- Murdoch Affiliation
- School of Veterinary and Biomedical Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.232 Veterinary Sciences
- 3.232.1936 Equine and Bovine Gastrointestinal Disorders
- Web Of Science research areas
- Veterinary Sciences
- ESI research areas
- Plant & Animal Science