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| Name | Class |
|---|---|
| Canopy Growth Corporation | INDUSTRY |
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The purpose of the present study is to examine the pharmacokinetics and pharmacodynamics of cannabigerol (CBG; CHI-914), a naturally occurring chemical constituent of the cannabis plant formulated for oral consumption, in healthy adults. The study will utilize a within-subjects, placebo-controlled, double-blind, ascending-dose design.Upon enrollment, participants will complete 5 oral dosing conditions (placebo, 25, 50, 100, and 200 mg CBG). Each condition will consist of a single acute drug exposure, followed by an 8-hour period to evaluate acute pharmacodynamic and pharmacokinetic drug effects. This work will provide novel data on the pharmacokinetics, pharmacodynamic effects, and safety of acute oral CBG dose administration in humans.
The purpose of the present study is to examine the pharmacokinetics and pharmacodynamics of cannabigerol (CBG; CHI-914), a naturally occurring chemical constituent of the cannabis plant formulated for oral consumption, in healthy adults. The study will utilize a within-subjects, placebo-controlled, double-blind, ascending-dose design. Oral drug administration will be double blind (the participant and research staff will be unaware of the dose administered; though active doses will be fixed in ascending order, placebo will be randomly assigned). Upon enrollment, participants will complete 5 oral dosing conditions (placebo, 25, 50, 100, and 200 mg CBG). Doses were selected based on current retail CBG products and web-based surveys of CBG use among current CBG product users. Each condition will consist of a single acute drug exposure, followed by an 8-hour period to evaluate acute pharmacodynamic and pharmacokinetic drug effects. Blood specimens will be obtained throughout these 8 hours to characterize the pharmacokinetics of CBG. Pharmacodynamic assessments including subjective drug effects, cognitive performance testing, and vital signs will also be collected for 8 hours post-drug administration. Experimental test sessions will be separated by at least 1 week to allow for sufficient drug washout between doses. This work will provide novel data on the pharmacokinetics, pharmacodynamic effects, and safety of acute oral CBG dose administration in humans.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Single acute administration of oral Placebo liquid (MCT oil). |
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| Oral administration of 25mg CBG | Experimental | Single acute administration of 25mg CBG suspended in MCT oil. |
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| Oral administration of 50mg CBG | Experimental | Single acute administration of 50mg CBG suspended in MCT oil. |
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| Oral administration of 100mg CBG | Experimental | Single acute administration of 100mg CBG suspended in MCT oil. |
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| Oral administration of 200mg CBG | Experimental | Single acute administration of 200mg CBG suspended in MCT oil. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Oral Placebo | Drug | Placebo will be orally self-administered by study participants. |
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| Measure | Description | Time Frame |
|---|---|---|
| Self-reported Drug Effect ratings on the Drug Effect Questionnaire (DEQ) | Subjective drug effect ratings (0-100) will be collected with the Drug Effect Questionnaire, with 0 being no effect and 100 being maximum effect. | 8 hours |
| Heart rate | Heart rate (beats/minute) will be measured while sitting down using the vitals machine. | 8 hours |
| Blood Pressure | Blood pressure (mmHg) will be measured while sitting down using the vitals machine. | 8 hours |
| Divided Attention as assessed by the DAT | Divided Attention Task (DAT), cognitive task administered on the computer to assess divided attention. | 8 hours |
| Digit Symbol Substitution Task (DSST) score | Digit Symbol Substitution Task, cognitive task administered to assess response speed, sustained attention, visual spatial skills and set shifting. | 8 hours |
| Paced Auditory Serial Addition Task (PASAT) score | Paced Auditory Serial Addition Task, cognitive task that measures cognitive function by assessing auditory information processing speed and flexibility, as well as calculation ability. | 8 hours |
| Behavioral task performance as assessed by the DRUID app | Composite score on the DRUID App, a measure of behavioral task performance (range 0-100) where lower scores indicate better performance. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Cecilia Bergeria, PhD | Contact | 410-550-1979 | cberge21@jhmi.edu | |
| Ryan Vandrey, PhD | Contact | 410-550-4036 | rvandrey@jhmi.edu |
| Name | Affiliation | Role |
|---|---|---|
| Cecilia Bergeria, PhD | Johns Hopkins University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Behavioral Pharmacology Research Unit | Recruiting | Baltimore | Maryland | 21224 | United States |
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| ID | Term |
|---|---|
| C587251 | nabiximols |
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A within-subjects design.
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Placebo controlled, double blind drug administration
| Oral CBG Cannabis |
| Drug |
CBG cannabis oil will be orally self-administered by study participants. |
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| 8 hours |
| Digit Vigilance Test (response time) | Digit Vigilance Test, primary outcome is response time of all trials. | 8 hours |
| Digit Vigilance Test (number of incorrect responses) | Digit Vigilance Test, primary outcome is number of incorrect responses of all trials. | 8 hours |
| Go/No-Go Task (response time) | Go/No-Go Task, primary outcome is response time of all trials. | 8 hours |
| Go/No-Go Task (number of incorrect responses) | Go/No-Go Task, primary outcome is number of incorrect responses of all trials. | 8 hours |
| Quantitative levels of CHI-914 (CBG) in blood | Blood is collected through an intravenous catheter, quantitative results are reported in nanograms per milliliter (ng/ml). | 8 hours |
| Quantitative levels of CHI-914 (CBG) in urine | Urine is provided by participant, quantitative results are reported in nanograms per milliliter (ng/ml). | 8 hours |