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Effect of selective versus nonselective cyclooxygenase inhibitors on gastric ulceration scores and intestinal inflammation in horses | Academic Article individual record
abstract

2018 The American College of Veterinary Surgeons Objective: To determine whether a cyclooxygenase (COX)-2 selective nonsteroidal anti-inflammatory drug (NSAID) would reduce gastric ulceration and gastrointestinal (GI) inflammation compared with a non-COX selective NSAID. Study design: Randomized block design. Animals: Twenty-five healthy adult horses. Methods: Horses were randomly assigned to receive placebo (n = 5), phenylbutazone (n = 10), or firocoxib (n = 10) administered daily for 10 days. Gastroscopy was performed on days 0 and 10, and both squamous and glandular ulcers were scored according to established scoring criteria. Fecal samples were collected on days 0, 10, and 20 to test for fecal myeloperoxidase (MPO) concentration by enzyme-linked immunosorbent assay. Results: Both classes of NSAID induced GI injury as determined by gastric ulceration scores and fecal MPO. Glandular gastric ulceration scores and fecal MPO concentrations were higher in horses treated with phenylbutazone at day 10 (P <.001 and P =.0018, respectively). Increases in fecal MPO were significantly decreased 10 days following cessation of treatment for firocoxib but remained greater than baseline for the phenylbutazone group. Conclusion: Although both classes of NSAID induced gastric ulceration, the COX-2 selective NSAID firocoxib induced less severe glandular ulceration. Although there were increases in fecal MPO in both groups after 10 days of treatment, this increase was significant only in horses receiving the nonselective COX inhibitor phenylbutazone. Clinical significance: These findings suggest that both classes of NSAID induce GI injury in horses; however, at the dosages used in this study, the COX-2 selective NSAID firocoxib resulted in less severe injury.

author list (cited authors)
Richardson, L. M., Whitfield-Cargile, C. M., Cohen, N. D., Chamoun-Emanuelli, A. M., & Dockery, H. J.
publication date
2018
publisher
Wiley Publisher
published in
keywords
  • Gastrointestinal Diseases
  • Phenylbutazone
  • Horse Diseases
  • Stomach Ulcer
  • Cyclooxygenase 2 Inhibitors
  • Horses
  • Peroxidase
  • 4-butyrolactone
  • Random Allocation
  • Inflammation
  • Anti-Inflammatory Agents, Non-Steroidal
  • Feces
  • Sulfones
  • Animals
altmetric score

0.25

citation count

1