Methylphenidate Therapy in 141 Patients with Hyperkinetic Disorder or with Pervasive Developmental Disorder and Hyperkinesia.

概要

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The efficacy and adverse reactions produced by methylphenidate (MPD) therapy were evaluated in 141 patients with hyperkinetic disorder or pervasive developmental disorder (PDD) with hyperkinesia. Ninetynine patients were followed for 1 to 5 years to determine if the treatment could be continued and if the patients' adaptation to their environment improved. The results showed that the MPD therapy was effective in 93% of patients whose IQ was>80 and in 70% whose IQ was≤ 80. The efficacy was not significantly different between patients with PDD and those without PDD. Of the patients in whom the MPD therapy was effective, the majority received a MPD dosage of 0.3mg/kg once every morning. Adverse reactions, such as excitability, nausea or anorexia, and insomnia were reported in 23% of the patients. Although this figure was not negligible, no serious events occurred. Seizure induction was suspected in 2 patients. Many of the patients (53/83) in whom the MPD treatment was effective continued to receive the treatment throughout the follow-up period. By the time that the conditions were alleviated to the extent that the treatment could be stopped, the patients had become well adapted to their environment. However, in many other cases, adaptation was unsatisfactory. In these cases, psycosocial interventions were necessary, even if the MPD therapy was effective.
一般社団法人日本小児神経学会の論文