Safety and Efficacy of Generic Diclofenac Epolamine Acute Pain Due to Minor Ankle Sprain

To evaluate the therapeutic equivalence and safety of generic diclofenac epolamine 1.3% patch (Watson Laboratories, Inc.) and Flector® (diclofenac epolamine 1.3% patch) (Pfizer) in the treatment of acute pain due to minor ankle sprain. To demonstrate the superiority of the efficacy of the test and reference products over that of the vehicle control in the treatment of acute pain due to minor ankle sprain. To access application site reactions and patch adhesion between treatment groups.