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Acute psychomotor, memory and subjective effects of MDMA and THC co-administration over time in heal

Acute psychomotor, memory and subjective effects of MDMA and THC co-administration over time in heal

  1. catseye
    GJH Dumont, JGC Van Hasselt, M de Kam, JMA van Gerven, DJ Touw, JK Buitelaar and RJ Verkes

    Journal of Psychopharmacology, September 2010, 0(0), pp1-12.

    ABSTRACT:
    In Western societies a considerable percentage of young people expose themselves to the combination of 3,4-methylenedioxymethamphetamine (MDMA
    or ‘ecstasy’) and cannabis. The aim of the present study was to assess the acute effects of co-administration of MDMA and THC (the main psychoactive compound of cannabis) on pharmacokinetics, psychomotor performance, memory and subjective experience over time. We performed a four-way, double blind, randomized, crossover, placebo-controlled study in 16 healthy volunteers (12 male, four female) between the ages of 18 and 27. MDMA (100 mg) was given orally, THC (4, 6, and 6 mg, interval of 90 min) was vaporized and inhaled. THC induced more robust cognitive impairment compared with MDMA, and co-administration did not exacerbate single drug effects on cognitive function. However, co-administration of THC with MDMA increased desired subjective drug effects and drug strength compared with the MDMA condition, which may explain the widespread use of this combination.