An Efficacy Study of a Single Dose Treatment of PRO-513 for Subjects Suffering a Migraine Attack

Inclusion Criteria: * Male and Female subjects * 18-65 years of age * Primary diagnosis of migraine attack with aura or migraine attack without aura * Migraine history of averaging at least 1 migraine attack per month but averaging not more than 6 migraine attacks per month over the prior year * Female subjects must use an effective form of birth control * Listing of additional inclusion criteria are available through the Sponsor Exclusion Criteria: * Excluding subjects with a history of other serious events causing secondary headaches * Excluding subjects with a current medical condition that could interfere with the overall study intent or affect the absorption, distribution, metabolism, or excretion of the study medication * Excluding subjects with a history or current medical condition that could confound the study results or use of a concomitant medication that could interfere with the study drug * Listing of additional exclusion criteria are available through the Sponsor