Trial Outcomes & Findings for Effect of Stimulant Drugs on Social Perception (NCT NCT03790618)

NCT ID: NCT03790618

Last Updated: 2024-01-05

Results Overview

Participants will complete an affective touch task during which time they will rate pleasantness of touch on a likert scale of 1-7, with higher scores indicating greater ratings of pleasantness

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

36 participants

Primary outcome timeframe

End of study (time 0 and approximately six weeks later)

Results posted on

2024-01-05

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo
Subjects will attend one session during which they will receive a placebo capsule. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Low Dose MDMA
Subjects will attend one session during which they will receive 0.75mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
High Dose MDMA
Subjects will attend one session during which they will receive 1.5mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Methamphetamine
Subjects will attend one session during which they will receive 20mg methamphetamine. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Overall Study
STARTED
9
9
9
9
Overall Study
COMPLETED
9
9
9
9
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Effect of Stimulant Drugs on Social Perception

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=9 Participants
Subjects will attend one session during which they will receive a placebo capsule. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Low Dose MDMA
n=9 Participants
Subjects will attend one session during which they will receive 0.75mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
High Dose MDMA
n=9 Participants
Subjects will attend one session during which they will receive 1.5mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Methamphetamine
n=9 Participants
Subjects will attend one session during which they will receive 20mg methamphetamine. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Total
n=36 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
9 Participants
n=5 Participants
9 Participants
n=7 Participants
9 Participants
n=5 Participants
9 Participants
n=4 Participants
36 Participants
n=21 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
5 Participants
n=7 Participants
5 Participants
n=5 Participants
5 Participants
n=4 Participants
20 Participants
n=21 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
4 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
16 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
1 Participants
n=4 Participants
4 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
2 Participants
n=4 Participants
8 Participants
n=21 Participants
Race (NIH/OMB)
White
5 Participants
n=5 Participants
5 Participants
n=7 Participants
5 Participants
n=5 Participants
5 Participants
n=4 Participants
20 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
1 Participants
n=4 Participants
4 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Region of Enrollment
United States
9 participants
n=5 Participants
9 participants
n=7 Participants
9 participants
n=5 Participants
9 participants
n=4 Participants
36 participants
n=21 Participants
Education - High School Education
9 Participants
n=5 Participants
9 Participants
n=7 Participants
9 Participants
n=5 Participants
9 Participants
n=4 Participants
36 Participants
n=21 Participants

PRIMARY outcome

Timeframe: End of study (time 0 and approximately six weeks later)

Participants will complete an affective touch task during which time they will rate pleasantness of touch on a likert scale of 1-7, with higher scores indicating greater ratings of pleasantness

Outcome measures

Outcome measures
Measure
Placebo
n=9 Participants
Subjects will attend one session during which they will receive a placebo capsule. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Low Dose MDMA
n=9 Participants
Subjects will attend one session during which they will receive 0.75mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
High Dose MDMA
n=9 Participants
Subjects will attend one session during which they will receive 1.5mg/kg MDMA. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Methamphetamine
n=9 Participants
Subjects will attend one session during which they will receive 20mg methamphetamine. 3,4-Methylenedioxymethamphetamine: Participants will be given 0.75mg/kg of 1.5mg/kg MDMA methamphetamine: Please see above.
Responses to Affective Touch
-1.24 units on a scale
Standard Deviation 3.22
0.12 units on a scale
Standard Deviation 3.14
0.19 units on a scale
Standard Deviation 2.25
0.25 units on a scale
Standard Deviation 2.68

Adverse Events

Placebo

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Low Dose MDMA

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

High Dose MDMA

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Methamphetamine

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Harriet de Wit

University of Chicago

Phone: 7737023560

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place