Testing the Interactive Effects of Delta-9-Tetrahydrocannabinol and Pregnenolone: Sub-Study I
Public ClinicalTrials.gov record NCT02811939. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The overall purpose of this study is to examine the effect of Pregnenolone (PREG) on the acute psychosis-like and cognitive effects of Delta-9-Tetrahydrocannabinol (THC). This will be tested by pretreating healthy individuals with PREG, and then assessing their responses to Dronabinol (THC).
Study identification
- NCT ID
- NCT02811939
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 13 participants
Conditions and interventions
Conditions
Interventions
- Active Dronabinol Drug
- Active Pregnenolone Drug
- Placebo Dronabinol Drug
- Placebo Pregnenolone Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 6, 2016
- Primary completion
- Jun 8, 2017
- Completion
- Jun 8, 2017
- Last update posted
- Mar 1, 2022
2016 – 2017
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Biological Studies Unit at the VA Connecticut Healthcare System, Yale School of Medicine | West Haven | Connecticut | 06516 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02811939, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 1, 2022 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02811939 live on ClinicalTrials.gov.