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CompletedNCT04053036MATUpdated Nov 25, 2024Results posted

Effects of Drugs on Responses to Brain and Emotional Processes

An Early Phase 1 interventional study of MDMA and Placebo oral tablet in Autism Spectrum Disorder and Healthy, sponsored by University of Chicago. Completed at 1 site in United States. Open to participants aged 21 Years to 40 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-11-25.

Sponsored by University of Chicago · Early Phase 1, Interventional, and Basic science

Phase
Early Phase 1
Study type
Interventional
Enrollment
22
Allocation
Randomized
Ages
21 Years to 40 Years
Sex
All
01

Study summary

To study the effects of a psychostimulant on responses to affective touch in individuals with a range of autistic traits

02

Conditions studied

  • Autism Spectrum Disorder
  • Healthy
03

In context

Autism Spectrum Disorder

1,727 studies on the registry are indexed under Autism Spectrum Disorder; 504 are open to participants now.

This study's enrollment of 22 is below the median of 52 across 1,371 interventional studies indexed under Autism Spectrum Disorder.

Browse Autism Spectrum Disorder studies →

Lead sponsor

University of Chicago is the lead sponsor of 907 studies on the registry; 182 are open to participants now.

Of its 99 completed or terminated interventional studies of FDA-regulated products, 68 (69%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
21 Years to 40 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • BMI between 19 and 30 (no one under 130 lbs)
  • Smokers smoking less than 25 cigarettes per week
  • Have used ecstasy no more than 40 times with no adverse responses.

Exclusion criteria

Exclusion Criteria:

  • High blood pressure
  • Any medical condition requiring regular medication
  • Individuals with a current (within the last year) DSM-IV Axis 1 diagnosis
  • Individuals with a history of dependence on stimulant drugs.
  • Women who are pregnant or trying to become pregnant
05

Study design

Phase
Early Phase 1
Primary purpose
Basic science
Allocation
Randomized
Intervention model
Crossover assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
22 participants (actual)

Study arms

  • Experimental
    Placebo Then MDMA

    Participants first receive placebo at their first session in the laboratory. Then will return to the laboratory 72 hours later and will receive MDMA (1.5 mg/kg)

    Drug: MDMA · Drug: Placebo oral tablet

  • Experimental
    MDMA Then Placebo

    Participants first receive MDMA (1.5 mg/kg) at their first session in the laboratory. Then will return to the laboratory 72 hours later and will receive placebo.

    Drug: MDMA · Drug: Placebo oral tablet

Interventions

  • DrugMDMA

    Participants will be given 1.5mg/kg of MDMA

  • DrugPlacebo oral tablet

    Participants will be given a placebo capsule that will only contain lactose.

06

What researchers measure

Primary outcomes

  1. Change in Responses to Affective Touch

    Participants will complete an affective touch task during which time they will rate pleasantness of touch on a scale of -10 to +10 using an analog scale. Higher ratings indicate greater pleasantness.

    Time frame: 1.5 hrs after drug or placebo administration.

07

Results

Posted Nov 25, 2024

Participant flow

Participant flow — Overall Study
MilestonePlacebo Then MDMAMDMA Then Placebo
Started1111
Completed1111
Not completed00

Outcome measures

PrimaryChange in Responses to Affective Touch

Participants will complete an affective touch task during which time they will rate pleasantness of touch on a scale of -10 to +10 using an analog scale. Higher ratings indicate greater pleasantness.

Time frame:
1.5 hrs after drug or placebo administration.
Reported as:
Mean · units on a scale
Change in Responses to Affective Touch
units on a scalePlaceboMDMA
Change in Responses to Affective Touch3.01 ± .74.06 ± .5

Adverse events

Collected over .Through study completion, an average of 6 weeks.. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Placebo0/22 (0%)0/22 (0%)0/22 (0%)
MDMA0/22 (0%)0/22 (0%)0/22 (0%)

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Placebo Then MDMAMDMA Then PlaceboTotal
<=18 years000
Between 18 and 65 years111122
>=65 years000
Sex: Female, Male
Sex: Female, Male(Participants)Placebo Then MDMAMDMA Then PlaceboTotal
Female459
Male7613
Race (NIH/OMB)
Race (NIH/OMB)(Participants)Placebo Then MDMAMDMA Then PlaceboTotal
American Indian or Alaska Native000
Asian123
Native Hawaiian or Other Pacific Islander000
Black or African American000
White8715
More than one race000
Unknown or Not Reported224
Region of Enrollment
Region of Enrollment(participants)Placebo Then MDMAMDMA Then PlaceboTotal
United States111122
High School Education
High School Education(Participants)Placebo Then MDMAMDMA Then PlaceboTotal
Count of participants111122
08

Study locations

1 site
  • University of Chicago
    Chicago, Illinois 60637, United States
09

References and documents

Study documents

  • Protocol and statistical analysis plan · Jul 31, 2019

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 25, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT04053036
Lead sponsor
University of Chicago
Responsible party
Sponsor
First posted
Aug 12, 2019
Start date
Aug 8, 2019
Primary completion
Apr 12, 2021
Completion
Apr 12, 2021
Results posted
Nov 25, 2024
Last update
Nov 25, 2024

Study contacts

Harriet de Wit
principal investigator · Principal Investigator

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jan 2024. You cannot join it, but the record below documents what was studied.

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