Effects of MDMA and Methylphenidate on Social Cognition
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ClinicalTrials.gov Identifier: NCT01616407 |
Recruitment Status :
Completed
First Posted : June 11, 2012
Last Update Posted : December 11, 2018
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Condition or disease | Intervention/treatment | Phase |
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Social Cognition | Drug: 3,4-Methylenedioxymethamphetamine Drug: Methylphenidate Drug: Placebo | Early Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 30 participants |
Intervention Model: | Crossover Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Basic Science |
Official Title: | Effects of MDMA (Ecstasy) and Methylphenidate (Ritalin) on Social Cognition |
Study Start Date : | August 2012 |
Actual Primary Completion Date : | December 2012 |
Actual Study Completion Date : | April 2013 |
Arm | Intervention/treatment |
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Experimental: MDMA, methylphenidate, placebo
Cross-over within-subjects design with all treatment conditions tested in the same subject. This design has 1 arm but three treatment conditions in the same subject.
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Drug: 3,4-Methylenedioxymethamphetamine
75 mg per os, single dose
Other Names:
Drug: Methylphenidate 40 mg per os, single dose
Other Names:
Drug: Placebo capsules identical to MDMA or methylphenidate but containing no active drug |
- Effects on social cognition (emotion recognition and empathy) [ Time Frame: 7 hours ]
- Blood pressure (mmHg) and heart rate (beats per min) [ Time Frame: 7 hours ]
- Subjective effects [ Time Frame: 7 hours ]subjective effects are repetitively assessed by standardized questionnaires
- Neuroendocrine plasma levels [ Time Frame: 7 hours ]neuroendocrine parameters assessed: prolactin, cortisol, epinephrine, norepinephrine, oxytocin, pro-vasopressin, vasopressin, estrogene,and progesterone
- Drug plasma concentration [ Time Frame: 7 hours ]The plasma concentration of MDMA and MPH is repetitively assessed.
- Genetic polymorphisms [ Time Frame: assessed after study completion ]Effects of genetic polymorphisms on the response to MDMA

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Ages Eligible for Study: | 18 Years to 45 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Sufficient 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 refrain from taking illicit psychoactive substances during the study.
- Participants must be willing to drink only alcohol-free liquids and no xanthine-containing liquids (such as coffee, black or green tea, red bull, chocolate) after midnight of the evening before the study session. Subjects must agree not to smoke tobacco for 1 h before and 4 hours after MDMA administration.
- Participants must be willing not to drive a traffic vehicle in the evening of the study day.
- 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: 18-25 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). Personal or first-grade history of seizures. Cardiac or neurological disorder.
- Current or previous psychotic or affective disorder
- Psychotic or affective disorder in first-degree relatives
- Prior illicit drug use (except 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.)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01616407
Switzerland | |
University Hospital Basel | |
Basel, Switzerland, 4031 |
Principal Investigator: | Matthias E Liechti, MD | University Hospital, Basel, Switzerland |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | University Hospital, Basel, Switzerland |
ClinicalTrials.gov Identifier: | NCT01616407 |
Other Study ID Numbers: |
EK 382/11 2012DR1018 ( Other Identifier: Swissmedic ) |
First Posted: | June 11, 2012 Key Record Dates |
Last Update Posted: | December 11, 2018 |
Last Verified: | December 2018 |
Effects of psychostimulants on emotion recognition and empathy |
Methylphenidate N-Methyl-3,4-methylenedioxyamphetamine Central Nervous System Stimulants Physiological Effects of Drugs Dopamine Uptake Inhibitors Neurotransmitter Uptake Inhibitors Membrane Transport Modulators Molecular Mechanisms of Pharmacological Action |
Dopamine Agents Neurotransmitter Agents Hallucinogens Psychotropic Drugs Serotonin Agents Adrenergic Uptake Inhibitors Adrenergic Agents |