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Cannabis Smoking clinical trials

View clinical trials related to Cannabis Smoking.

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NCT ID: NCT06059677 Recruiting - Driving Impaired Clinical Trials

Cannabis Consumption and Driving Impairment Assessment on a Closed Course

Start date: October 3, 2023
Phase: Phase 2
Study type: Interventional

In a true experiment, roughly 300 volunteer participants will smoke active cannabis, a corresponding placebo, or no substance at all (control). Next, participants will complete a drive test and then be observed by actual California Highway Patrol (CHP) officers who will attempt to classify participants as impaired or unimpaired. CHP Officers will evaluate participants in the context of driving (i.e., while following participants in an actual patrol car), as part of a roadside behavioral assessment (i.e., the Advanced Roadside Impaired Driving Enforcement, or ARIDE, battery, which includes Standardized Field Sobriety Tests, or SFSTs), and as part of a Drug Recognition Expert (DRE) evaluation conducted indoors.

NCT ID: NCT05999383 Not yet recruiting - Tobacco Use Clinical Trials

Understanding the Clinical Pharmacology of Marijuana-Tobacco Co-administration

CANNIC
Start date: October 31, 2023
Phase: Phase 2
Study type: Interventional

This is a crossover, randomized, double-blinded clinical pharmacology study enrolling dual cannabis-tobacco smokers to better understand the combined effects of co-administering cannabis and tobacco. The project aims to describe the pharmacokinetics and pharmacodynamics of marijuana-tobacco co-administration by delivering THC and nicotine in various combinations. This foundational study will establish a research program focused on elucidating the public health consequences of marijuana-tobacco co-use.

NCT ID: NCT05620433 Recruiting - Cannabis Use Clinical Trials

Joint Effort 2.0: a Mobile Application With University Students

JOINTEFFORT
Start date: February 8, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to evaluate quantitatively and qualitatively a mobile application, Joint Effort, targeting safe cannabis use among consumers. This randomized controlled trial is currently conducted on the Joint Effort mobile application.

NCT ID: NCT04429568 Recruiting - Nicotine Dependence Clinical Trials

THC Crossover Study

TRDRP
Start date: October 30, 2020
Phase: N/A
Study type: Interventional

This is a randomized, crossover study enrolling experienced dual cannabis-tobacco smokers (N=18) to describe the differences in THC and toxicant exposure, examining pharmacokinetic, subjective, and cardiovascular effects from smoking and vaping dry herb cannabis. This study will also examine the differences in toxicant exposure and cardiovascular disease risk between smoking cannabis and smoking tobacco cigarettes.

NCT ID: NCT03909477 Recruiting - Cannabis Use Clinical Trials

Longitudinal Study of Xenon-129 MRI Imaging Effects of Cannabis Smoking

Start date: June 1, 2022
Phase:
Study type: Observational

This is a longitudinal study of the long-term health impact of cannabis smoking on the lungs. Participants will be followed over a period of 3 years, and impacts of cannabis smoking on the lungs will be measured with magnetic resonance imaging (MRI) using hyperpolarized xenon-129 gas, pulmonary function tests, exercise capacity, computed tomography images and questionnaires.

NCT ID: NCT02480283 Recruiting - Oxidative Stress Clinical Trials

Chronic Cannabis Smoking, Oxidative Stress and the Pulmonary Innate Immune Response

Start date: November 11, 2015
Phase:
Study type: Observational

This study plans to evaluate the effects of chronic cannabis smoking on lung health by evaluating its effects on pulmonary health, lung physiology and alveolar macrophage function.