alexa Residual effects of intranasal methamphetamine on sleep, mood, and performance.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): Perez AY, Kirkpatrick MG, Gunderson EW, Marrone G, Silver R,

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Abstract Although intranasal methamphetamine abuse has increased, there are no published data investigating the residual effects of the drug under controlled conditions. Thus, the current study examined the residual effects of single-dose intranasal methamphetamine administration on a broad range of behavioral and physiological measures. Non-treatment seeking methamphetamine abusers (n=11) completed this two-week, in patient, within-participant, double-blind study. The study consisted of four two-day blocks of sessions; each block was separated by at least 48 h. At approximately 10:00 h, on the first day of each block, participants received one of four intranasal methamphetamine doses (0, 12, 25, 50mg/70 kg). Lights were turned out at 23:00 h that evening and sleep measures were assessed. On the morning of the second day of each block, methamphetamine plasma levels, cardiovascular measures, mood, subjective reports of the previous evening's sleep, and psychomotor performance were assessed to determine residual drug effects. The larger methamphetamine doses (25 and 50 mg) markedly disrupted subjective measures of that night's sleep and some indices of next-day mood, but only the largest dose (50 mg) dose decreased objective measures of that night's sleep and increased next-day physiological measures. Methamphetamine did not produce any negative residual effects on early next-day performance. Future studies should assess methamphetamine-related residual effects following repeated doses administered over consecutive days.
This article was published in Drug Alcohol Depend and referenced in Journal of Addiction Research & Therapy

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