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Methods Find Exp Clin Pharmacol. 1999 Mar;21(2):99-104.

Lack of beneficial effect of COX-2 inhibitors in an experimental model of colitis.

Author information

1
Department of Immunopathology, Parke-Davis Pharmaceutical Research Division, Warner-Lambert Co., Ann Arbor, MI, USA.

Abstract

Expression of the COX-2 enzyme has been reported in animal models of inflammatory bowel disease (IBD) as well as in patients affected by ulcerative colitis and Crohn's disease. Recently, selective inhibitors of COX-2 have become available. In this study we have evaluated three highly selective COX-2 inhibitors, NS-398, SC-58125 and PD-138387, on the trinitro-benzene sulfonic acid (TNBS) model of colitis in rats. Daily oral administration of the three compounds evaluated up to a dose of 100 mg/kg failed to significantly modify any of the parameters evaluated. Our data show that despite their potent extraintestinal antiinflammatory activity, COX-2 inhibitors do not seem to have any beneficial effect in TNBS colitis and raise the question whether this therapeutic approach would be beneficial in patients with IBD.

PMID:
10327390
DOI:
10.1358/mf.1999.21.2.529236
[Indexed for MEDLINE]

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