Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE1
30 participants
INTERVENTIONAL
2025-07-03
2028-07-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
DOUBLE
Study Groups
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Placebo Comparator: Placebo
0 mg THC
Placebo Comparator: Placebo
Placebo
Low dose THC
50 mg THC
Low dose THC
Smoked low dose THC
High dose THC
100 mg THC
High dose THC
Smoked high dose THC
Interventions
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Placebo Comparator: Placebo
Placebo
Low dose THC
Smoked low dose THC
High dose THC
Smoked high dose THC
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Report cannabis smoking near daily
* Not currently seeking treatment for their cannabis use
* Have a Body Mass Index from 18.5 - 34kg/m2.
* Able to perform all study procedures
* Must be using a contraceptive (hormonal or barrier methods)
Exclusion Criteria
* Do not have positive urine toxicology for cannabis use during screening
* Evidence of severe psychiatric illness (e.g. mood or anxiety disorder with functional impairment or suicide risk, schizophrenia) judged by the study physician (and PI) to put the participant at greater risk of experiencing adverse events due to completion of study procedures, interfere with their ability to participate in the study, or their capacity to provide informed consent.
* Report using other illicit drugs in the prior 4 weeks
* Current predominant licit use of medical cannabis, prescription analgesics, or any medications that may affect study outcomes
* Current pain
* Pregnancy
* Currently enrolled in another research protocol
* Not using a contraceptive method (hormonal or barrier methods)
* Insensitivity to the cold water stimulus of the Cold Pressor Test
* Any disorders that might make cannabis administration hazardous as determined by evaluation physician after review of all medical assessments along with medical history.
* Not able to speak and read English
21 Years
55 Years
ALL
Yes
Sponsors
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California Department of Cannabis Control (DCC)
UNKNOWN
University of California, Los Angeles
OTHER
Responsible Party
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Ziva D. Cooper, PhD
Professor
Locations
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UCLA Center for Cannabis and Cannabinoids
Los Angeles, California, United States
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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93304
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
24-5316
Identifier Type: -
Identifier Source: org_study_id
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