Clinical Research Directory

Clinical Alternatives for Reducing Harm Using E-cigarettes

For patients in cancer care, quitting smoking is critical, but a significant portion of patients in cancer care refuse all components of tobacco treatment, even when offered free of charge. The proposed clinical trial will assess one harm reduction intervention, switching completely from cigarettes to e-cigarettes, among oncology outpatients who smoke and refuse traditional tobacco treatment. This study is a type 1 hybrid effectiveness-implementation trial among oncology outpatients at an NCI-designated cancer center who smoke and refuse all components of tobacco treatment (N=208).

Sex Differences in E-cig Perception: Study 1

The primary objective is to examine the influence of sex on sensory effects, appeal, and reinforcing value of nicotine containing e-cigs in popular flavor components; sweet and cooling.

BREATHE Free Curriculum

The purpose of this study is to evaluate whether BREATHE Free, an in-person faith-based smoking cessation program, can help people quit using tobacco products, including cigarettes, cigars, cigarillos, and e-cigarettes/vapes. The program consists of 12 weekly group sessions that teach character strengths and resilience-based skills, such as hope, love, and spirituality, using the BREATHE Free curriculum. Participants will also receive free nicotine patches and complete surveys about their tobacco use, character strengths, and resilience. The study will help us improve the program and determine whether it can reduce or eliminate tobacco use. Success will be measured through participant surveys and verified using expired carbon monoxide (CO) testing, a standard method for confirming smoking cessation. The main question is: Can participation in the BREATHE Free program help people reduce or quit tobacco use?

The Impact of Chronic E-Cigarette Usage on Microvascular Health

The study is focused on investigating the mechanisms involved in microvascular health in subjects that use e-cigarettes frequently. To explore microvascular health, different techniques and compounds. For one of the tests, iontophoresis, the drug's use will be stored and handled as described by the approved IND and non-IDS plan.

Respiratory Effects of E-Cigarettes in Obese Youth

To determine vaping behaviors and respiratory function in obese and nonobese youth e-cigarette users.

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use Cigarettes, E-cigarettes and Cannabis (Co-Tox Study)

This study evaluates the amount of nicotine, cannabis, and toxicants linked to the use of nicotine e-cigarette and/or cannabis products in the blood and urine of young adult users as well as the cannabis and nicotine use behaviors of consumers.

Cessation of Smoking Trial in the Emergency Department

The Cessation of Smoking Trial in the Emergency Department (CoSTED) is an National Institute for Health Research (NIHR) Health Technology Assessment (HTA) funded randomised controlled trial (RCT). The research question is "in people attending the Emergency Department who smoke, does a brief intervention (including the provision of an electronic cigarette (e-cigarette) and referral to stop smoking services) increase smoking cessation in comparison with usual care and is it cost effective?" The trial includes an internal pilot, health economic evaluation and process evaluation. The primary outcome is smoking cessation, self-reported as continuous smoking abstinence, biochemically validated by carbon monoxide monitoring with cut off of ≥8ppm. The sample size is 972 (486 in intervention and control) across 6 sites.

The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers

This between-subjects study aims to evaluate the effect of flavor on initial and sustained switching from combustible cigarettes to e-cigarettes among 210 cigarette smokers. After measuring baseline cigarette smoking rate, participants will be randomized to a six-week regimen of fruit-flavored, tobacco-flavored, or menthol-flavored e-cigarettes and be instructed to switch (versus smoking cigarettes) over a 6-week period. Flavor-associated subjective reward and the reinforcing value of flavored e-cigarettes relative to combustible cigarettes will be assessed as mechanisms.

Hyperpolarized Xenon-129 MR Imaging of the Lung

Over the past 10 years, electronic cigarettes (e-cigarettes, EC) have been commercialized as a "less harmful" alternative to traditional cigarettes.1,2 However, e-cigarettes are believed to cause pulmonary epithelial, endothelial and vascular dysfunction, and to cause murine phenotypes similar to those of human COPD. Recently, "spiked" vape juice has been linked to severe lung damage. Unfortunately, the effects of e-cigarettes on the human lungs are still poorly understood, especially in healthy young adults. Therefore, establishing the health effects of e-cigarettes in humans is of paramount importance to guide medical and regulatory decision making. Its widespread use and immense popularity among teenagers and young adults have caused major concern given potentially significant addictive and detrimental long-term health effects.