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[Selective COX-2 inhibitor-associated colitis: two case reports].

Pierre-Nicolas d'Halluin1, Bruno Turlin, Elisabeth Polard

  • 1Service des Maladies de l'Appareil Digestif, Hôpital Pontchaillou, 35033 Rennes.

Gastroenterologie Clinique Et Biologique
|November 25, 2003
PubMed
Summary
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Preferential COX-2 inhibitors, a type of non-steroidal anti-inflammatory drug (NSAID), can cause self-limited colitis. This study discusses the mechanisms behind these intestinal toxic effects.

Area of Science:

  • Gastroenterology
  • Pharmacology

Background:

  • Non-steroidal anti-inflammatory drugs (NSAIDs) exert anti-inflammatory effects by inhibiting prostaglandin synthesis via cyclo-oxygenase 1 (COX-1) and/or cyclo-oxygenase 2 (COX-2).
  • Different NSAID classes target COX-1 or COX-2, with preferential COX-2 inhibitors developed to reduce gastrointestinal side effects.
  • The comparative intestinal safety of preferential/selective COX-2 inhibitors versus standard NSAIDs remains debated.

Observation:

  • This report details two cases of self-limited colitis.
  • The colitis was specifically induced by preferential COX-2 inhibitors.

Findings:

  • The study presents endoscopic and histological features of colitis.
  • These features aid in understanding the mechanisms of intestinal toxicity associated with preferential COX-2 inhibitors.

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Implications:

  • Findings contribute to the understanding of NSAID-induced enteropathy.
  • Highlights the potential for intestinal toxicity even with COX-2 preferential agents.
  • Informs clinical practice regarding the gastrointestinal safety profile of NSAIDs.