Study Published in Child and Adolescent Psychiatry and Mental Health Demonstrated Once-Daily Vyvanse(R) (lisdexamfetamine dimesylate) CII Provided Significant Improvement of ADHD Symptoms for Children at 13 Hours After Admi...( ...)

PHILADELPHIA, July 22 /PRNewswire-FirstCall/ -- Shire plc (LSE: SHP, Nasdaq: SHPGY), the global specialty biopharmaceutical company, today announced that a study published online in the peer-reviewed journal Child and Adolescent Psychiatry and Mental Health found once-daily Vyvanse(R)( )(lisdexamfetamine dimesylate) CII significantly reduced the symptoms of Attention-Deficit/Hyperactivity Disorder (ADHD) in children aged 6 to 12 from the first time point measured (1.5 hours) up to the last time point assessed (13 hours) after administration.( ) In this pediatric analog classroom study, treatment with Vyvanse was associated with significant improvement in behavior and attention in children at each time point measured, with improvement at 13 hours after administration.( )

"Pediatric patients may require ADHD symptom improvement both at school and after school,"( )said Sharon Wigal, PhD, lead investigator of the study, clinical professor of pediatrics and director of clinical trials in the Child Development Center at the University of California, Irvine. "These published data are the first to have shown duration of effect of an oral ADHD stimulant in children aged 6 to 12 at 13 hours after administration. Physicians and caregivers who are seeking a long-acting medication that provides ADHD symptom improvement from morning through homework and family time may want to consider this Vyvanse study data."( )

On May 22, 2009, the US Food and Drug Administration (FDA) approved a change to the prescribing information for Vyvanse to include supplemental data that demonstrated significant ADHD symptom improvement in children aged 6 to 12 from the first time point measured (1.5 hours) up to 13 hours postdose. Vyvanse is now the first and only oral ADHD stimulan
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