<qa>  What is the main objective of this clinical trial?The main objective of this clinical trial is the assessment of the efficacy and safety of two single daily oral doses of etoricoxib 60 mg and 90 mg over a period of 14 days in the treatment of patients with acute soft tissue rheumatism affecting the shoulder. The study will be performed according to a randomised, double blind, double-dummy, and parallel-group. 