Evaluation of the efficacy of etoricoxib in ankylosing spondylitis: Results of a fifty‐two–week, randomized, controlled study

Etoricoxib at doses of 90 mg and 120 mg demonstrated superior efficacy compared with placebo over 6 weeks, and compared with naproxen over 1 year. These study results demonstrate that etoricoxib is generally safe, well-tolerated, and efficacious for the treatment of AS.