THC Titration of High-Potency Cannabis Concentrates

High-potency cannabis use is associated with public health risks, such as cannabis use disorder, psychotic disorders, and impaired cognition. Legal markets in the US and Canada are geared towards the commercialization of high-tetrahydrocannabinol (THC) products, including concentrates as high as 90-95%. The cannabis industry has resisted regulation of higher-potency products claiming that cannabis consumers naturally self-titrate their use, but the limited evidence to date suggests that even though consumers may use less cannabis as potency rises, consuming higher potency products still leads to greater THC consumption. The investigators will use a randomized crossover trial to evaluate the ability of 36 regular cannabis consumers (18 females and 18 males) to self-titrate the THC dose when vaping concentrates to achieve the desired psychoactive effects. The investigators will also characterize and compare the subjective, cognitive, physiological, and pharmacokinetic effects between cannabis concentrates of different potencies (30%, 60%, and 90% THC). Working with US scientists, the setting of this study will be Toronto, Canada, in the context of federal legalization of cannabis, unique access to cannabis products not available in the US for research purposes, and an encouraging regulatory environment. The investigators will test commercial products that are representative of the THC ranges available in the legal market. Aim 1: To evaluate the ability of regular cannabis consu…

This description comes directly from the study's public registry record.

Sergio Rueda, PhD  ·  416-535-8501  ·  sergio.rueda@camh.ca

Victor Tang, MD  ·  416-535-8501  ·  victor.tang@camh.ca

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