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Clinical Trial
. 1992 Mar;31(2):226-34.
doi: 10.1097/00004583-199203000-00008.

Effects of sustained-release and standard preparations of methylphenidate on attention deficit disorder

P A Fitzpatrick  1 , R Klorman, J T Brumaghim, A D Borgstedt
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Free article
Clinical Trial

Effects of sustained-release and standard preparations of methylphenidate on attention deficit disorder

P A Fitzpatrick et al. J Am Acad Child Adolesc Psychiatry. 1992 Mar.
Free article

Abstract

Nineteen children with attention deficit disorder (ADD) participated in a double-blind trial consisting of four 2-week phases: sustained-release methylphenidate (MPH); standard MPH; a combination of standard and sustained-release MPH; and placebo. Pharmacological treatments were evaluated by means of parent and teacher ratings and open-ended comments, examiner ratings, and patients' performance and event-related potentials during Continuous Performance and Paired-Associate Learning Tests. Results revealed that the MPH conditions were superior to placebo and comparable to one another. Within the limited time frame of the research, the findings suggest comparable effectiveness for sustained-release and standard preparations of MPH.

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