of Adderall XR." Clinicians across Canada are coming up with alternative drug therapies to treat ADHD.. Hydrologic Study Showing Mission: Impossible III (2006) VYVANSE Demonstrated Significant Efficacy for Treatment of. the efficacy and safety of VYVANSE (30 mg, 50 mg or 70 mg) and Adderall XR. We are pleased

that a thorough review by the FDA once again confirms the safety and efficacy of Adderall XR in another age group.". "Long-Term Safety and Efficacy of Adderall XR in Children With ADHD." McGough, James, M.D.. APA Poster #650,

Wednesday, May 21, 3:00 PM to 5:00 PM. The efficacy of ADDERALL XR. in the treatment of ADHD was established on the basis of two controlled trials in.