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  • Title: The analgesic effect of etoricoxib relative to that of cetaminophen analgesics: a randomized, controlled single-dose study in acute dental impaction pain.
    Author: Malmstrom K, Ang J, Fricke JR, Shingo S, Reicin A.
    Journal: Curr Med Res Opin; 2005 Jan; 21(1):141-9. PubMed ID: 15881486.
    Abstract:
    BACKGROUND: To compare the analgesic effect of single doses of etoricoxib 120 mg, oxycodone/ acetaminophen 10 mg/650 mg and codeine/ acetaminophen 60 mg/600 mg in acute pain using the dental impaction model. METHODS: In this randomized, double-blind, placebo-controlled, parallel-group study, patients reported pain intensity and pain relief (16 times) and global scores (twice) during a 24-h period. The primary endpoint was the overall analgesic effect, total pain relief over 6 h (TOPAR6). Other endpoints were patient global evaluation, time to onset (2-stopwatch method), duration of analgesic effect (median time to and amount of rescue medication use). Tolerability was evaluated by overall and opioid-related (nausea and vomiting) adverse experiences. RESULTS: 302 patients (mean age 23; 63% women; 63 % White) were randomized to etoricoxib 120 mg, oxycodone/acetaminophen 10 mg/650 mg, codeine/acetaminophen 60 mg/600 mg, and placebo (2:2:1:1). Etoricoxib demonstrated significantly greater overall analgesic efficacy (TOPAR6) (13.2 units) versus oxycodone/acetaminophen (10.2 units); and codeine/acetaminophen (6.0 units); p < 0.001 for all. All active treatments were superior to placebo. Median time to onset was significantly (p < 0.001) shorter for oxycodone/acetaminophen (20 min) and numerically but not significantly shorter (p = 0.259) for codeine/acetaminophen (26 min) compared with etoricoxib (40 min). Etoricoxib (24 h) had a significantly longer lasting analgesic effect than oxycodone/acetaminophen (5.3 h), codeine/acetaminophen (2.7 h), and placebo (1.7 h) (p < 0.001 for all). Etoricoxib patients experienced fewer clinical adverse experiences than patients on oxycodone/acetaminophen and codeine/acetaminophen, specifically, significantly (p < 0.05) fewer episodes of nausea. CONCLUSION: Etoricoxib 120 mg provided superior overall analgesic effect with a smaller percentage of patients experiencing nausea versus both oxycodone/acetaminophen 10 mg/650 mg and codeine/acetaminophen 60 mg/600 mg.
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