Effects of Methylphenidate, Modafinil, & MDMA on Emotion-processing in

Status Completed

Clinical Trial Summary

The purpose of this study is to investigate effects of methylphenidate, modafinil, and 3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy") on emotion-processing and cognitive performance using functional magnetic resonance imaging (fMRI) techniques. The primary hypothesis is that these psychostimulants differentially affect processing of emotional stimuli and potentially leading to alterations in social cognition and behavior.

Clinical Trial Description

Methylphenidate and modafinil are increasingly used as performance enhancers or "smart drugs" by students. 3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy") is widely used as recreational drug to enhance emotions. We plan to investigate effects of these psychostimulants on emotion-processing and cognitive performance using functional magnetic resonance imaging (fMRI) techniques. Single doses of methylphenidate (60mg), modafinil (600mg), MDMA (125mg), or placebo will be administered before an fMRI scan in a placebo-controlled, randomized cross-over study design in 24 healthy subjects. Subjective emotional effects, sociability, neurohormonal, cardiovascular responses, and plasma drug concentrations will also be assessed and analyzed for potential brain-induced changes in brain activity in networks processing emotions. The primary hypothesis is that these psychostimulants differentially affect processing of emotional stimuli and potentially leading to alterations in social cognition and behavior. The work should clarify the neuropharmacological basis of the potentially differential effects of these drugs. This information will improve our understanding of the neurofunctional effects of methylphenidate, modafinil, and MDMA, and inform the ongoing debate surrounding brain doping with cognitive and mood enhancers. ;

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01951508
Study type	Interventional
Source	University Hospital, Basel, Switzerland
Contact
Status	Completed
Phase	Phase 0
Start date	October 2013
Completion date	December 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Methylphenidate, Modafinil, and MDMA on Emotion-processing in Humans: A Pharmaco-fMRI Study

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms