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  • Title: Lisdexamfetamine dimesylate and mixed amphetamine salts extended-release in children with ADHD: a double-blind, placebo-controlled, crossover analog classroom study.
    Author: Biederman J, Boellner SW, Childress A, Lopez FA, Krishnan S, Zhang Y.
    Journal: Biol Psychiatry; 2007 Nov 01; 62(9):970-6. PubMed ID: 17631866.
    Abstract:
    BACKGROUND: Lisdexamfetamine dimesylate is a therapeutically inactive prodrug in which d-amphetamine is covalently bound to l-lysine, a naturally occurring amino acid. Pharmacologically active d-amphetamine is released from lisdexamfetamine following oral ingestion. METHODS: This phase 2, randomized, double-blind, placebo- and active-controlled crossover study compared the efficacy and safety of lisdexamfetamine (LDX: 30, 50, or 70 mg) with placebo, with mixed amphetamine salts extended-release (MAS XR: 10, 20, or 30 mg) included as a reference arm of the study, in 52 children aged 6 to 12 years with attention-deficit/hyperactivity disorder (ADHD) in an analog classroom setting. The primary efficacy measure was the Swanson, Kotkin, Agler, M-Flynn, and Pelham (SKAMP) Rating Scale; secondary efficacy measures included the Permanent Product Measure of Performance (PERMP) Derived Measures, and the Clinical Global Impression (CGI) Scale. RESULTS: LDX treatment significantly improved scores on SKAMP-deportment, SKAMP-attention, PERMP-attempted, PERMP-correct, and CGI-improvement from baseline. Adverse events were similar for both active treatments. CONCLUSIONS: In a laboratory classroom environment, LDX significantly improved ADHD symptoms versus placebo in school-age children with ADHD.
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