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Interaction of Duloxetine and MDMA
| Third-party funded project |
| Project title |
Interaction of Duloxetine and MDMA |
| Principal Investigator(s) |
Liechti, Matthias Emanuel
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| Organisation / Research unit |
Departement Biomedizin / Clinical Pharmacology (Krähenbühl) |
| Project start |
01.12.2009 |
| Probable end |
30.11.2011 |
| Status |
Completed |
| Abstract |
3,4-methylenedioxymethamphetamine (MDMA, ecstasy ) is widely used by young people for its euphoric effects. MDMA releases serotonin (5-HT), norepinephrine (NE), and dopamine through an interaction with the corresponding presynaptic monoamine uptake transporter. 5-HT transport inhibitors block MDMA-induced 5-HT release in vitro or in animals and also attenuate the subjective and cardiovascular response to MDMA in humans. NE transport inhibitors similarly prevent the MDMA-induced release of NE in cell assays and attenuate behavioral effects of MDMA in animals. Here, we suggest evaluating effects of pretreatment with the combined 5-HT and NE transport blocker duloxetine on the pharmacodynamics and pharmacokinetics of MDMA. This approach is used to assess the role of 5-HT and NE in the mediation of MDMA s effects in humans. The study will use a randomized double-blind cross-over design with four experimental sessions. Duloxetine (120 mg) or placebo will be administered 16 h and 4 h before the administration of MDMA (125 mg) or placebo to 16 healthy volunteers. Subjective and cardiovascular responses and plasma samples for pharmacokinetics will be repeatedly assessed throughout the experiments. We hypothesize that duloxetine will attenuate the subjective and cardiovascular response to MDMA. Such a result would indicat that MDMA produces its psychological and physiological effects in humans mainly by transporter-mediated release of 5-HT and NE. |
| Financed by |
University of Basel
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10/05/2024
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