ENPNewswire-9 August 2010-Shire plc - Published Study Demonstrated Once-Daily Vyvanse Capsules CII Provided Significant Efficacy at Two Hours through 14 Hours after Administration in Adults with ADHD(C)2010 ENPublishing - http://www.enpublishing.co.uk Release date- 05082010 - PHILADELPHIA - Shire plc (LSE: SHP, NASDAQ: SHPGY), the global specialty biopharmaceutical company, today announced that a Phase 3b study published in Behavioral and Brain Functions found adults with Attention Deficit Hyperactivity Disorder who took once-daily Vyvanse Capsules CII demonstrated significant improvement in attention.