Safety and Pharmacokinetics (PK) Study of Single Ascending Doses of CVT-427 (Zolmitriptan Inhalation Powder) In Healthy Adults

Objectives: * To evaluate the overall safety and tolerability of single, inhaled doses of CVT-427 (zolmitriptan inhalation powder) in healthy adults, with special emphasis on cardiopulmonary effects. * To describe the pharmacokinetics (PK) of single, inhaled doses of CVT-427, Zomig® Tablet, and Zomig® Nasal Spray in healthy adults.