Efficacy and Safety of Lumiracoxib in Patients With Knee Osteoarthritis (OA).

A 13-week, Multicenter, Randomized, Double-blind, Double-dummy, Placebo-controlled, Parallel Trial of 2 Different Dose Regimens of Lumiracoxib (100 mg od and 200 mg od Initial Dose for Two Weeks Followed by 100 mg od) in Patients With Primary Knee Osteoarthritis, Using Celecoxib (200 mg od) as a Comparator

This study will investigate the efficacy and safety of lumiracoxib in patients with primary knee osteoarthritis (OA).

Inclusion Criteria:

• Primary osteoarthritis of knee (confirmed by American College of Rheumatology [ACR] criteria).
• Requirement of regular non-steroidal anti-inflammatory drug (NSAID) therapy.

Exclusion Criteria:

• Evidence of active gastrointestinal ulceration within 12 months prior to the screening visit or history of active gastrointestinal bleeding within the previous 5 years.
• Known hypersensitivity to analgesics, antipyretics, or NSAIDS (including celecoxib).

Other protocol-defined inclusion/exclusion criteria may apply.