Phase II Dose-Ranging Study of OrthoDerm Patch for Patients With Tennis Elbow

Inclusion Criteria: * males \>18 yr and \< 70 yr * BMI \< 38 * chronic lateral epicondylitis (symptomatic \> 3 mo) * pain on provocation \>/- 4 on 11 point scale Exclusion Criteria: * patients on other pain medications * bilateral elbow pain * any humerus elbow or forearm fracture or surgery * signs of injury other than lateral epicondylitis * any concomitant disease or pain of the upper extremity * orthostatic hypotension * patients taking MAO inhibitors, phosphodiesterase inhibitors, adrenergic agents * pregnant or nursing women