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  • Title: Naturalistic long-term use of methylphenidate in bipolar disorder.
    Author: Lydon E, El-Mallakh RS.
    Journal: J Clin Psychopharmacol; 2006 Oct; 26(5):516-8. PubMed ID: 16974196.
    Abstract:
    Antidepressant use seems to be problematic in bipolar disorder. The dopaminergic agent, bupropion, seems to be equally effective to serotoninergic agents but with greater safety. Methylphenidate is a stimulant medication that is sometimes used as an antidepressant in bipolar adults and is frequently used in children with comorbid bipolar and attention-deficit disorder. There are no data available for the safety of long-term methylphenidate in adults. A retrospective chart review of bipolar patients who received methylphenidate while attending a bipolar clinic was conducted. Data regarding side effects and symptoms were collected. Sixteen charts were reviewed. The mean duration of methylphenidate treatment was 14 months (+/-SD, +/-17.5 months; range, 1-60 months). Five had comorbid attention-deficit disorder, the remainder received the methylphenidate for depression. The mean dose was 16.3 mg/d (+/-SD, +/-8.7 mg/d; range, 5-40 mg/d). Several mild to moderate side effects were reported. Two patients (12.5%) discontinued methylphenidate because of adverse side effects. When available (44% of the sample), general assessment of function increased from (+/-SD) 48.3 +/- 9.9 to 69.3 +/- 10.6 (P = 0.006). Methylphenidate seems to be safe in the naturalistic setting. Controlled studies are needed to confirm its efficacy and safety in bipolar depression.
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