, Volume 13, Issue 5–6, pp 441–454 | Cite as

Comparative study of anti-inflammatory and ulcerogenic activities of different cyclo-oxygenase inhibitors

  • Alessandra Gambero
  • Tagliane Liza Becker
  • Andréa Silva Zago
  • Andréa Fermino de Oliveira
  • José PedrazzoliJr.


The aim of the present work was to study the in vivo anti-inflammatory activity of six NSAIDs, ibuprofen, diclofenac, nimesulide, meloxicam, celecoxib and rofecoxib, using the rat air-pouch model of inflammation to characterize the ability of these drugs to induce gastric damage and PGE2 inhibition. Selective compounds were observed to have no ulcerogenic properties at anti-inflammatory doses; however, these drugs were weaker inhibitors of several inflammatory aspects such as cell influx and exudate formation. In contrast, the non-selective and preferential compounds present anti-inflammatory properties at lower doses than presented by selective drugs. At anti-inflammatory doses, only meloxicam and ibuprofen produced gastric damage and inhibition of PGE2 synthesis, suggesting that ulcerogenic properties of NSAIDs cannot be predicted by their selectivity index, since meloxicam demonstrates ulcerogenic properties despite its preferential profile.

Key words

Non-steroidal anti-inflammatory drugs cyclo-oxygenases air pouch prostaglandin E2 leukocyte 


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Copyright information

© VSP 2005

Authors and Affiliations

  • Alessandra Gambero
    • 1
  • Tagliane Liza Becker
    • 1
  • Andréa Silva Zago
    • 1
  • Andréa Fermino de Oliveira
    • 1
  • José PedrazzoliJr.
    • 1
  1. 1.Clinical Pharmacology and Gastroenterology UnitSão Francisco University Medical SchoolBragança PaulistaBrazil

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