A Drug Interaction Study of SPD503 and Vyvanse Administered Alone and In Combination in Normal Healthy Volunteers

A Phase 1, Open-label, Randomized, Three-period Crossover Drug Interaction Study Evaluating the Pharmacokinetic Profiles of SPD503 and VYVANSE, Administered Alone and in Combination in Healthy Adult Volunteers

Drug-drug interaction study; to examine the pharmacokinetics of SPD503 and VYVANSE (lisdexamfetamine dimesylate) when given alone, and in combination.

Inclusion Criteria:

• Subjects must be normal healthy adult volunteers (with no significant abnormalities in medical history, physical exam, vital signs or lab evaluations at screening) in order to be eligible to participate.