Study finds no significant side effects in children treated up to two years
new study has found that an all-day, extended-release stimulant for treating attention-deficit hyperactivity disorder (ADHD) remains effective for up to two years without significant side effects. In the October issue of the Journal of the American Association of Child & Adolescent Psychiatry, a multi-institutional research team reports finding that treatment with Concerta, a once-daily form of the drug methylphenidate, successfully controlled ADHD symptoms in more than 200 children with ADHD. The study was supported by McNeil Pharmaceuticals, which manufactures Concerta.
"Although ADHD is recognized as a chronic disease, weve known very little about the effects of chronic treatment," says Timothy Wilens, MD, of the Massachusetts General Hospital (MGH) Pediatric Psychopharmacology Unit, lead author of the JAACAP report. "There have been concerns about whether the stimulant medications that are a mainstay of treatment continue to be effective, whether patients build up tolerance, or whether the drugs might have adverse effects on cardiovascular health or growth. This investigation sheds some important light on those questions."
Sue McGreevey | EurekAlert!
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
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