A Single Preoperative Oral Dose of Valdecoxib, a New Cyclooxygenase-2 Specific Inhibitor, Relieves Post-Oral Surgery or Bunionectomy Pain

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Abstract

Background

The trend toward day-case surgery, with discharge on oral medication, has highlighted the need for effective and safe analgesics that facilitate a rapid recovery and discharge time. This study evaluated the analgesic efficacy, dose dependency, duration of action, and safety of the cyclooxygenase-2 specific inhibitor, valdecoxib, administered before oral or orthopedic surgery.

Methods

Eligible healthy adult patients were scheduled to undergo either extraction of two impacted third molar teeth (n = 284) or bunionectomy surgery (n = 223) with local anesthesia in two randomized, double-blind, placebo-controlled studies conducted at three centers in the United States. Patients received a single, preoperatively administered oral dose of placebo or 10 (oral surgery only), 20, 40, or 80 mg valdecoxib. Analgesic efficacy was assessed postoperatively, over a 24-h treatment period, or until the patient required rescue medication. Efficacy measures included time to rescue medication, proportion of patients requiring such rescue, pain intensity, and the Patient's Global Evaluation of Study Medication.

Results

In both studies, all doses of valdecoxib produced analgesia with a duration (time to rescue analgesia) and magnitude (Pain Intensity, Patient's Global Evaluation) significantly greater than placebo. A dose-dependent effect was observed up to 40 mg valdecoxib, with an 80-mg dose providing no additional analgesic benefit. In both models, all doses of valdecoxib were well tolerated, with no clinically significant treatment-related gastrointestinal, renal, or platelet-derived adverse events, and no evidence of a dose-related increase in adverse events.

Conclusions

Preoperative orally administered valdecoxib provides well-tolerated and effective analgesia for mild to moderate postoperative pain.

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