A Study of the Recovery Benefits After Treatment With Parecoxib/Valdecoxib in Patients Undergoing Abdominal Surgery

A single 40mg dose of intravenous (IV) parecoxib sodium administered on Day 1 immediately before the surgical procedure as part of the Investigator's usual analgesic management practice, followed by oral doses of valdecoxib 40 mg (2 x 20 mg tablets) at 6-8 hours post-surgery on Day 1 and in the morning of Day 2 and Day 3

A single dose of IV saline (placebo) administered on Day 1 immediately before the surgical procedure as part of the Investigator's usual analgesic management practice, followed by oral doses of placebo (2 x matching valdecoxib 20 mg tablets) at 6-8 hours post-surgery on Day 1 and in the morning of Day 2 and Day 3