An Investigational Drug Study in the Treatment of Primary Dysmenorrhea (0663-064)

A Randomized, Placebo-and Active-Comparator-Controlled Study of Etoricoxib 120 mg in the Treatment of Primary Dysmenorrhea

The purpose of this study is to evaluate the pain relieving effect and safety of an investigational drug in women with moderate to severe primary dysmenorrhea (painful menstruation).

Inclusion Criteria:

• Women 18 years of age or older suffering from painful menstruation

Exclusion Criteria:

• Women taking medications that are not allowed in the study (such as pain medications, antidepressants, tranquilizers, hypnotics, sedatives, or oral contraceptives).
• Women who are pregnant, breast-feeding or within 6 weeks of giving birth