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Exploring the Anti-inflammatory Properties of Cannabis and Their Relevance to Insulin Sensitivity

CompletedN/A

Sponsor: University of Colorado, Boulder

Conditions: Type 2 Diabetes, Obesity, Cannabis Use, Insulin Sensitivity

Interventions: Study A: Single use of cannabis flower product, Study B: Ad libitum cannabis use for four weeks or no cannabis use

Countries: United States

This study tests the effects of cannabinoid levels in blood on inflammation and insulin sensitivity both acutely and chronically in individuals across the weight spectrum. To that end, the study employs two observational designs: 1) A study of acute effects with intermittent cannabis users and 2) A study in which current cannabis users will select one of three cannabis strains for four weeks and are compared to a matched control group who do not use cannabis to study chronic effects. Blood levels of THC and CBD, inflammatory biomarkers, and insulin resistance will be measured in both studies.

Eligibility overview

Sex: ALL

Age: 21 Years to 40 Years

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

* Able to provide informed consent
* Cannabis users in Study A must have smoked or vaped cannabis at least once since January 1st 2014 with no negative effects but NOT used in the past three months
* Cannabis users in Study B must have been a regular (at least weekly) user for at least a year
* Non-users in Study B cannot have used any cannabis in the previous year
* Weight stable (\<5 pound fluctuation in the past six months)
* Planning to remain in the Boulder-Denver area for the next month
* Fasting blood glucose greater than or equal to 55 mg/dl and less than or equal to 126 mg/dl
* Cannabis users in Study A must endorse knowledge of the procedure(s) for smoking or vaping cannabis

Exclusion Criteria:

* Known auto-immune disease
* Report of other drug use (cocaine, opiates, methamphetamine) in the past 90 days or fail urine screen for any of these drugs
* Daily tobacco (cigarette, E-cigs, smokeless) user, given the impact of tobacco smoking on insulin function
* Blood alcohol level greater than 0 at screening
* Current use of medications for glucose lowering, immunosuppression, or anti-inflammation
* Acute illness
* Current use of psychotropic medications
* Current diagnosis of diabetes
* Heavy drinking as defined by an Alcohol Use Disorders Test (AUDIT)
* Females can not be pregnant or trying to become pregnant
* Females can not be nursing mothers
* Have donated blood in the 8 weeks before the study or intend to donate blood in the 8 weeks after the study.

Locations (1)

Boulder, Colorado, United States