• Prescrire Int. 2004 Jun 1;13(71):83-5.

Abstract(1) Parecoxib is the second nonsteroidal antiinflammatory drug, after ketoprofen, to be marketed in France for the treatment of postoperative pain. (2) Another injectable NSAID, ketorolac, was marketed briefly in the 1990s. It was shown to be no more effective than ketoprofen, but was withdrawn from the French market because it provoked bleeding. (3) The clinical evaluation dossier on parecoxib contains no data from comparative trials with ketoprofen. The three trials versus ketorolac failed to show that parecoxib was more effective. (4) The two trials comparing parecoxib with morphine are biased by the use of a too low dose of morphine (4 mg). Four trials show that adding parecoxib reduces morphine requirements in patients injecting the opiate on demand. There is no evidence that this reduction translates into a lower risk of adverse reactions to opiates. (5) Parecoxib is marketed as "Cox-2-specific inhibitor", but follow-up is too short to show whether this property avoids the severe adverse effects seen with other NSAIDs, such as renal failure, gastrointestinal haemorrhage, and delayed wound healing. Parecoxib, like its principal metabolite valdecoxib, can cause severe hypersensitivity reactions. (6) Parecoxib is 10 times more expensive than injectable ketoprofen in France. (7) In practice, ketoprofen is still the best choice for parenteral NSAID-based pain relief in the postoperative setting.

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