Conditions: Attention Deficit Hyperactivity Disorder
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 445
Healthy volunteers: no

Brief summary:
This study will evaluate atomoxetine's efficacy in treating attention-deficit/hyperactivity disorder (ADHD) symptoms and atomoxetine's effect on functional outcomes in young adults.

A gatekeeper strategy will be employed for sequentially testing the secondary objectives.

This study also has an observational community sample arm in which patients will complete all the efficacy measurements via web-based self reporting.

Detailed description:

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Atomoxetine hydrochloride intervention 2: Placebo
Intervention descriptions: intervention 1: 20-50 mg, twice a day per by mouth for 12 weeks, followed by up to an additional 12 weeks intervention 2: twice a day, by mouth for 12 weeks

Protocol document: