Healthy Clinical Trial
Official title:
Influence of Bupropion on the Effects of MDMA
The purpose of this study is to determinate the effect of a pre-treatment with bupropion, a dopamine and norepinephrine transporter inhibitor, on the pharmacodynamics and pharmacokinetics of 3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy"). The study will provide further understanding of the dopaminergic regulation of mood.
3,4-methylenedioxymethamphetamine (MDMA, "ecstasy") is widely used by young people for its euphoric effects. MDMA releases serotonin (5-HT), dopamine (DA), and norepinephrine (NE). 5-HT release mainly contributes to the subjective effects of MDMA whereas NE release is involved in the cardiovascular and psychostimulant effects of MDMA. DA mediates the reinforcing addiction-related effects of drugs of abuse but it is unclear whether DA contributes to the acute effects of MDMA in humans. To determine the role of DA transporter-mediated DA release in the acute response to MDMA in humans the investigators test the effects of the DA transporter inhibitor bupropion on the physiological and subjective effects of MDMA. The investigators use a randomized double-blind placebo-controlled cross-over design with four experimental sessions. Bupropion or placebo will be administered before MDMA or placebo to 16 healthy volunteers. Subjective and cardiovascular responses will be repeatedly assessed throughout the experiments and plasma samples are collected for pharmacokinetics. The primary hypothesis is that bupropion reduces the MDMA-induced increase in positive mood. ;
Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Basic Science
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