- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03809546
Individual Differences in Drug Response (IDT)
June 8, 2021 updated by: University of Chicago
Differential Female Response to Δ9-tetrahydrocannabinol (THC): The Influence of Estradiol
Females are increasingly using cannabis, yet remain underrepresented in preclinical and clinical cannabinoid research.
This female-specific research plan will test the effects of two recreationally relevant doses of oral THC and placebo in healthy females at two phases of the menstrual cycle.
Acute oral THC will be administered in a double-blind and counterbalanced design.
Menstrual cycle phase will be determined using blood serum analyses of estradiol and progesterone and self-reported responses.
The main hypothesis is circulating estradiol levels are associated with cardiac, neuroendocrine, and subjective THC response.
The rationale for the presented work is to better understand the risks of cannabis use, in order to maximize possible medical potential and minimize public health risks.
The expected outcome of this work is a deeper understanding of how circulating estradiol levels may associate with response to THC and how the physiological response is associated with the subjective response.
Uncovering the individual differences in response to THC will allow for more preventive action against cannabis-induced anxiety, paranoia, and psychosis.
Study Overview
Status
Completed
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
60
Phase
- Early Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Illinois
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Chicago, Illinois, United States, 60615
- University of Chicago
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 35 years (ADULT)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
Female
Description
Inclusion Criteria:
- 18-35 years old, females (N=60)
- Body Mass Index 19-26
- High school education, fluent in English
- Occasional cannabis users ( <11 times in past 30 days)
Exclusion Criteria:
- History of daily cannabis use
- Past or present severe substance use disorder
- Current or past diagnosis with drug treatment for psychosis/bipolar/schizophrenia
- Past year major depression
- Current or past Post Traumatic Stress Disorder
- Attention Deficit Hyperactivity Disorder
- Cardiovascular illness, high blood pressure, abnormal electrocardiagram
- Current medications (NO hormonal birth control or intrauterine device)
- Pregnant or planning to become pregnant
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: BASIC_SCIENCE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
PLACEBO_COMPARATOR: Placebo
|
We are administering dextrose to health volunteers for our placebo group
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ACTIVE_COMPARATOR: 7.5 mg THC
|
THC (Marinol® [dronabinol]; Solvay Pharmaceuticals) will be orally administered in doses of 7.5 mg and 15 mg, in opaque capsules with dextrose filler.
Placebo capsules contain only dextrose.
These doses of THC are known to produce performance impairments as well as subjective intoxication with little to no adverse reactions in experienced occasional, but non-daily cannabis users (Ménétrey et al., 2005; Issa et al. 2016).
|
ACTIVE_COMPARATOR: 15 mg THC
|
THC (Marinol® [dronabinol]; Solvay Pharmaceuticals) will be orally administered in doses of 7.5 mg and 15 mg, in opaque capsules with dextrose filler.
Placebo capsules contain only dextrose.
These doses of THC are known to produce performance impairments as well as subjective intoxication with little to no adverse reactions in experienced occasional, but non-daily cannabis users (Ménétrey et al., 2005; Issa et al. 2016).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change From Baseline in Profile of Mood States (POMS)
Time Frame: End of session (Baseline - time 0 or pre-capsule, post-capsule)
|
The POMS measures individuals' mood states.
This is a validated scale to measure positive and negative mood states.
The POMS contains 30 items and assess six identified mood factors: Tension-Anxiety, Depression-Ejection, Anger - Hostility, Vigor-Activity, Fatigue-Inertia, and Confusion-Bewilderment. Scoring of this instrument provides a global score of 0 to 120 or individual domain scores.
Lower scores indicate better mood state.
The POMS brief form is a simple self-rating instrument
|
End of session (Baseline - time 0 or pre-capsule, post-capsule)
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State Anxiety Inventory
Time Frame: End of session (Baseline - time 0 or pre-capsule, post-capsule)
|
This scale measures both trait and state anxiety levels and will be administered separately.
Responses for 20 trait anxiety symptom items are recorded on a 4-point Likert scale from "almost never" (1) to "almost always" (4).
Range of scores is 20-80, the higher score indicating greater trait anxiety.
This measure will be used to obtain baseline trait ratings of anxiety during the orientation session.
The state scale contains 20 items to measure state anxiety symptoms.
Participants indicate the intensity of their state feelings on a 4-point scale from "not at all" (1) to "very much so" (4).
|
End of session (Baseline - time 0 or pre-capsule, post-capsule)
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Heart Rate Variability and Thoracic Impedance
Time Frame: End of session (Baseline - time 0 or pre-capsule, post-capsule)
|
ECG and thoracic impedance measures will be amplified and processed by an integrated Mindware Bionex system (Mindware, Gahanna, OH).
Respiratory sinus arrhythmia will be analyzed from the data as the measure of parasympathetic cardiac control.
Pre-ejection period will be analyzed from the data as the measure of sympathetic cardiac control.
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End of session (Baseline - time 0 or pre-capsule, post-capsule)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Drug Effects Questionnaire
Time Frame: End of session (Baseline - time 0 or pre-capsule, post-capsule)
|
This questionnaire consists of 5 visual analogue scales measuring subjective drug effects.
Participants indicate their response on a scale of 0-100: "Do you feel any drug effect?"
(rated from "none at all" to "a lot"), "Do you like the effects you are feeling now?" (rated from "not at all" to "very much"), "Do you dislike the effects you are feeling now?" (rated from "not at all" to "very much"), "Are you high?" (rated from "not at all" to "very much"), and "Would you like more of what you consumed, right now?" (rated from "not at all" to "very much").
This measure will be used as another manipulation check to ensure the drug produced subjective effects, but it is not be specific to a certain drug class.
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End of session (Baseline - time 0 or pre-capsule, post-capsule)
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (ACTUAL)
November 6, 2018
Primary Completion (ACTUAL)
June 1, 2021
Study Completion (ACTUAL)
June 1, 2021
Study Registration Dates
First Submitted
January 11, 2019
First Submitted That Met QC Criteria
January 15, 2019
First Posted (ACTUAL)
January 18, 2019
Study Record Updates
Last Update Posted (ACTUAL)
June 9, 2021
Last Update Submitted That Met QC Criteria
June 8, 2021
Last Verified
June 1, 2021
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Analgesics, Non-Narcotic
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Psychotropic Drugs
- Hallucinogens
- Cannabinoid Receptor Agonists
- Cannabinoid Receptor Modulators
- Dronabinol
Other Study ID Numbers
- IDT
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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