PharmacokineticsPharmacokinetic studies of ADDERALL XR (mixed salts amphetamine extended-release capsules) have been conducted in healthy adult and pediatric (aged 6-12 years) subjects, and adolescent (aged 13-17 years) and pediatric patients with ADHD. ADDERALL XR capsules contain dextroamphetamine(d-amphetamine) and levoamphetamine (l-amphetamine) salts in the ratio of 3:1.ADDERALL XR demonstrates linear pharmacokinetics over the dose range of […]