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Interaction Between Duloxetine and 3,4-Methylenedioxymethamphetamine (MDMA, Ecstasy)

Substance-Related Disorders Clinical Trial

Official title:
Pharmacological Interaction Between Duloxetine and 3,4-Methylenedioxymethamphetamine (MDMA, Ecstasy): Pharmacodynamics (PD) and Pharmacokinetics (PK)

Clinical Trial Summary

The purpose of this study is to determinate the effect of a pre-treatment with the combined serotonin (5-HT) and norepinephrine (NE) transport blocker duloxetine on the pharmacodynamics and pharmacokinetics of 3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy"). The investigators hypothesize that duloxetine will attenuate the subjective and cardiovascular response to MDMA.

Clinical Trial Description

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. Effects of the NE transporter inhibitor reboxetine on the response to MDMA in humans are currently investigated. Here we suggest evaluating effects of pretreatment with the combined 5-HT and NE transport blocker duloxetine on the pharmacodynamics and pharmacokinetics of MDMA. 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. ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00990067
Study type Interventional
Source University Hospital, Basel, Switzerland
Contact
Status Completed
Phase Phase 1
Start date November 2009
Completion date May 2010
View Details
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