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Influence of Bupropion on the Effects of MDMA

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University Hospital Basel

Status and phase

Completed
Phase 1

Conditions

Substance-related Disorders
Healthy

Treatments

Drug: Placebo
Drug: MDMA
Drug: Bupropion

Study type

Interventional

Funder types

Other

Identifiers

NCT01771874
EK 190/12

Details and patient eligibility

About

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.

Full description

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.

Enrollment

16 patients

Sex

All

Ages

18 to 45 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Age between 18 and 45
  • Understanding of the German language
  • Subjects understand the procedures and the risks associated with the study
  • Participants must be willing to adhere to the protocol and sign the consent form
  • Participants must be willing to adhere to the protocol and sign the consent form
  • Participants must be willing to drink only alcohol-free liquids and no xanthine-containing products(such as coffee, black or green tea, red bull, chocolate) after midnight of the evening before the study session, as well as during the study day
  • Participants must be willing not to drive a traffic vehicle within 48 h following MDMA administration
  • Women of childbearing potential must have a negative pregnancy test at the beginning of the study and must agree to use an effective form of birth control. Pregnancy tests are repeated before each study session
  • Body mass index: 18-27 kg/m2

Exclusion criteria

  • Chronic or acute medical condition including clinically relevant abnormality in physical exam, laboratory values, or ECG. In particular: Hypertension (>140/90 mmHg) or Hypotension (SBP<85 mmHg). Personal or first-grade history of seizures. Cardiac or neurological disorder
  • Current or previous psychotic or major affective disorder
  • Psychotic or major affective disorder in first-degree relatives
  • Prior illicit drug use (except tetrahydrocannabinol (THC)-containing products) more than 5 times or any time within the previous 2 months
  • Pregnant or nursing women
  • Participation in another clinical trial (currently or within the last 30 days)
  • Use of medications that are contraindicated or otherwise interfere with the effects of the study medications (monoamine oxidase inhibitors, antidepressants, sedatives etc.)
  • Tobacco smoking

Trial design

Primary purpose

Basic Science

Allocation

N/A

Interventional model

Single Group Assignment

Masking

Quadruple Blind

16 participants in 1 patient group

MDMA, bupropion, placebo
Experimental group
Description:
Cross-over within-subjects design with all treatment conditions tested in the same subject. This design has 1 arm but two (actually 4) treatment conditions in the same subject. The four treatment conditions are placebo-placebo, bupropion-placebo, placebo-MDMA, and bupropion-MDMA.
Treatment:
Drug: Bupropion
Drug: MDMA
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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