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Article
Open AccessDoes acute cannabidiol (CBD) use impair performance? A meta-analysis and comparison with placebo and delta-9-tetrahydrocannabinol (THC)
Cannabidiol (CBD) is widely used and believed to be non-intoxicating, lacking acute performance effects (e.g., non-impairing). However, a synthesis of data has not evaluated this. This meta-analysis synthesize...
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Article
Open AccessEvaluating possible ‘next day’ impairment in insomnia patients administered an oral medicinal cannabis product by night: a pilot randomized controlled trial
Cannabis and its major constituents, Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD), are being widely used to treat sleep disturbances. However, THC can cause acute cognitive and psychomotor impairment and t...
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Article
Open AccessWithin-subject, double-blind, randomized, placebo-controlled evaluation of combining the cannabinoid dronabinol and the opioid hydromorphone in adults with chronic pain
The potential synergistic effects of combining cannabinoids and opioids for analgesia has received considerable attention. No studies to date have evaluated this combination in patients with chronic pain. The ...
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Article
Factors that Impact the Pharmacokinetic and Pharmacodynamic Effects of Cannabis: a Review of Human Laboratory Studies
With cannabis legalization expanding throughout the world, an unprecedented number of people now have access to legal cannabis. This expanded legalization has also created an extensive retail market that inclu...
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Article
Within-subject, double-blinded, randomized, and placebo-controlled evaluation of the combined effects of the cannabinoid dronabinol and the opioid hydromorphone in a human laboratory pain model
This Phase II study evaluated analgesia, abuse liability, and cognitive performance of hydromorphone and oral delta-9-tetrahydrocannabinol (THC; dronabinol) using a within-subject, double-blind, randomized, pl...
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Article
Open AccessCannabidiol (CBD) content in vaporized cannabis does not prevent tetrahydrocannabinol (THC)-induced impairment of driving and cognition
The main psychoactive component of cannabis, delta-9-tetrahydrocannabinol (THC), can impair driving performance. Cannabidiol (CBD), a non-intoxicating cannabis component, is thought to mitigate certain adverse...
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Cannabis Withdrawal
Cessation from daily cannabis use reliably elicits a valid withdrawal syndrome characterized by a constellation of behavioral, somatic, and mood symptoms. The onset of these symptoms closely follows cessation,...
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Article
Cannabis Withdrawal: a Review of Neurobiological Mechanisms and Sex Differences
This report provides an updated overview of pre-clinical and clinical research on the etiology and biological substrates of the cannabis withdrawal syndrome.
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Article
Response to varying the nicotine content of cigarettes in vulnerable populations: an initial experimental examination of acute effects
The purpose of this study was to begin researching the effects of very low nicotine content cigarettes in smokers especially vulnerable to dependence to assess their potential as a less dependence-producing al...
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Article
Oral fluid/plasma cannabinoid ratios following controlled oral THC and smoked cannabis administration
Oral fluid (OF) is a valuable biological alternative for clinical and forensic drug testing. Evaluating OF to plasma (OF/P) cannabinoid ratios provides important pharmacokinetic data on the disposition of drug...
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Article
Characterizing smoking topography of cannabis in heavy users
Little is known about the smoking topography characteristics of heavy cannabis users. Such measures may be able to predict cannabis use-related outcomes and could be used to validate self-reported measures of ...