An Open-Label Pilot Study of Risperidone in the Treatment of Methamphetamine Dependence

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2007
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Abstract
Psychopharmacological treatments for methamphetamine (MA) dependence have questionable efficacy. Open-label risperidone was eval uated in veterans seeking MA dependence treatment. Participants (N = 11) received four weeks of risperidone. They provided weekly self-reports of substance use, urine drug screens, and adverse effects. Neuropsychological assessments and psychiatric symptomatology (Brief Symptom Inventory; BSI) were measured at baseline and follow-up. The eight completers had an average risperidone dose of 3.6mg/day and decreased days of MA use during the trial from a mean of 13.0 (SD = 6.5) in the 30 days prior to starting risperidone to a mean of 0.125 (SD = 0.4; i = 5.7. p = .001). When measured over time, fine motor function (Grooved Peg Board Dominant Hand) was the only neuropsychological domain to improve significantly. No other domain changed significantly from baseline to follow-up among study completers. BSI data were converted to demographically corrected T-scores utilizing appropriate normative data (mean = 50, SD = 10). BSI somatization T-scores declined from a mean of 59.0 (SD = 8.4) to 51. 8(SD = 8.3; i = 2.7, p
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Authors Charles W. Meredith,Craig Jaffe,Elisia Yanasak,Monique Cherrier,Andrew J. Saxon;Charles W. Meredith;Craig Jaffe;Elisia Yanasak;Monique Cherrier;Andrew J. Saxon;
Journal journal of psychoactive drugs
Year 2007
DOI
10.1080/02791072.2007.10399875
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