<Li> Key: VOBHXZCDAVEXEY - JSGCOSHPSA - N </Li> <Tr> <Th_colspan="2"> (what is this?) (verify) </Th> </Tr> <P> Lisdexamfetamine (contracted from L - lysine - dextroamphetamine) is a prodrug of the central nervous system (CNS) stimulant dextroamphetamine, a phenethylamine of the amphetamine class that is used in the treatment of attention deficit hyperactivity disorder (ADHD) and binge eating disorder . Its chemical structure consists of dextroamphetamine coupled with the essential amino acid L - lysine . Lisdexamfetamine itself is inactive prior to its absorption and the subsequent rate - limited enzymatic cleavage of the molecule's L - lysine portion, which produces the active metabolite (dextroamphetamine). </P> <P> Lisdexamfetamine can be prescribed for the treatment of attention deficit hyperactivity disorder (ADHD) in adults and children six and older, as well as for moderate to severe binge eating disorder in adults . The safety and the efficacy of lisdexamfetamine dimesylate in children with ADHD three to five years old have not been established . </P>

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