Bunionectomy Study (0000-063)

Inclusion Criteria: * Patient is a man or woman between 18 and 65 years of age * For Women of Child-bearing potential: woman who is currently not pregnant not nursing and who is willing to use a medically acceptable method of birth control from the time after the screening visit until completion of the follow-up visit * Patient is scheduled to have a bunionectomy * Patient must be willing to stay at the study site throughout the 48-hour observation period following surgery and is willing to complete a 2-week follow up * Patient is capable of operating a Patient Controlled Analgesia device Exclusion Criteria: * Patient is being treated for a disease and has not been on a stable dose of medication for at least 2 weeks prior to surgery * Patient has used or intends to use any of the medications that are prohibited by the protocol, which could interfere with the evaluation of the study drugs * Patient has an estimated creatinine clearance of \< or = 60 mL per min * Patient has a history of drug abuse or dependence, or patient has a positive urine drug screen * Patient has a condition that prevents clear communication concerning pain perception (such as diabetic neuropathy, peripheral neuropathy, etc.)