The ESTxENDS Trial- Substudy on the Effects of Using Electronic Nicotine

Status Completed

Clinical Trial Summary

--> This is a substudy of the main ESTxENDS trial (NCT03589989). Sleep quality outcomes should be considered secondary outcomes of the main smoking cessation outcome formulated in NCT03589989. Cigarette smoking is the leading cause of preventable death in Switzerland and still more than a quarter of the Swiss population smokes cigarettes. Recently, electronic nicotine delivery systems (ENDS; also called vaporizer or electronic cigarette) have become popular with smokers who want to stop smoking or reduce their exposure to inhaled chemicals since ENDS use appears to be safer than tobacco smoking. The majority of attempts to quit tobacco smoking do not end in success due to unpleasant withdrawal symptoms. One of such symptoms is disturbed sleep. Sleep disturbances are a problem for smokers who are trying to quit. Sleep disturbances results from difficulty falling asleep or frequent arousals after sleep onset, and have negative daytime consequences such as sleepiness and dysphoric mood. Studies indicate that awakenings during night affect the cardiovascular system by providing repetitive bursts of sympathetic nervous system activation, likely contributing to elevated levels of cardiovascular and cerebrovascular morbidity. ENDS with nicotine containing e-liquids may be effective in assisting with tobacco smoking cessation by reducing withdrawal-induced sleep disturbances. This study will therefore test the efficacy of ENDS for cigarette smoking cessation, the safety of ENDS on adverse events and the effect of ENDS on health-related outcomes and exposure to inhaled chemicals. For the main ESTxENDS trial (NCT03589989), cigarette smokers motivated to quit smoking cigarettes will be included. Participants in the intervention group will receive an ENDS and nicotine-containing e-liquids, which they will be allowed to use ad libitum. Additionally, they will receive smoking cessation counseling. Participants in the control group will receive smoking cessation counseling only. All participants will be followed over a 24-month period. Sleep quality will be assessed using the Pittsburgh sleep quality index- questionnaire at baseline and at 6, 12 and 24 months' follow-up.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03603353
Study type	Interventional
Source	University of Bern
Contact
Status	Completed
Phase	N/A
Start date	July 16, 2018
Completion date	August 31, 2023

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The ESTxENDS Trial- Substudy on the Effects of Using Electronic Nicotine Delivery Systems (ENDS) on Sleep Quality. — ESTxENDS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms