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The study aims to examine the combined effects of delta-9-tetrahydrocannabinol (∆-9-THC or THC) and iomazenil on thinking, perception, mood, memory, attention, and electrical activity of the brain (EEG). THC is the active ingredient of marijuana, cannabis, "ganja", or "pot". Iomazenil is a drug that works opposite to drugs like valium. The purpose of this study is to determine whether the administration of iomazenil will alter the effects of THC.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| THC and Iomazenil | Active Comparator |
|
|
| Placebo | Placebo Comparator | Control: small amount of alcohol intravenous (quarter teaspoon), with no THC |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| THC and Iomazenil | Drug |
|
| Measure | Description | Time Frame |
|---|---|---|
| Clinician Administered Dissociative Symptoms Scale | On each test day at: baseline, +10min after infusion, +70min, +150min, +240min | |
| Positive and Negative Symptom Scale | On each test day at: baseline, +10min after infusion, +70min, +150min, +240min | |
| Visual Analog Scale | On each test day at: baseline, +10min after infusion, +70min, +150min, +240min | |
| Auditory Verbal Learning Test | On each test day at: baseline, +10min after infusion, +70min, +150min, +240min | |
| Perceptual Aberration Scale | On each test day at: baseline, +10min after infusion, +70min, +150min, +240min |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Deepak C D'Souza, M.D | Yale University Medical School | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| VA Connecticut Healthcare System | West Haven | Connecticut | 06516 | United States |
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| ID | Term |
|---|---|
| D012559 | Schizophrenia |
| D001523 | Mental Disorders |
| D011618 | Psychotic Disorders |
| D019967 | Schizophrenia Spectrum and Other Psychotic Disorders |
| D002189 | Marijuana Abuse |
| ID | Term |
|---|---|
| D019966 | Substance-Related Disorders |
| D064419 | Chemically-Induced Disorders |
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| ID | Term |
|---|---|
| D013759 | Dronabinol |
| C063038 | iomazenil |
| ID | Term |
|---|---|
| D002186 | Cannabinoids |
| D013729 | Terpenes |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |
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|
| Placebo (control) | Drug | Control: small amount of alcohol intravenous (quarter teaspoon), with no THC |
|