A Study to Evaluate the Safety of Electronic Vapor Products for 2 Years
- Conditions
- Healthy Volunteers
- Interventions
- Device: EVP
- Registration Number
- NCT02143310
- Lead Sponsor
- Fontem Ventures BV
- Brief Summary
Electronic Vapour Products (EVPs) is a relatively new class of consumer products that are otherwise known as electronic cigarettes devices/systems. These may look like conventional cigarettes but do not contain tobacco.
The 'vapour' produced by such devices typically consists of humectants (propylene glycol or glycerol), nicotine, water, and flavours.
This trial is to evaluate the safety and tolerability of an EVP over two years.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 209
- Subject who participated in the EVP G1 S2 study (S2)
- Willingness to use the EVP provided by the sponsor for two years as the only nicotine containing product
- No clinically significant abnormalities during the S2 study
- Subjects who have used nicotine replacement therapy during the S2 study
- Subjects with relevant illness history
- Subjects with history of drug or alcohol abuse
- Subjects with lung function test or vital signs considered unsuitable Subjects who are trying to stop smoking
- Female subjects who are pregnant, or unwilling to use acceptable contraceptive method for the duration of the study.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Arm && Interventions
Group Intervention Description EVP EVP Subject who use the EVP for up to 2 years
- Primary Outcome Measures
Name Time Method Electrocardiogram (ECG): PR Interval 24 months In electrocardiography, the PR interval is the period that extends from the beginning of the P wave (the onset of atrial depolarization) until the beginning of the QRS complex. Variations in the PR interval can be associated with certain medical conditions.
Clinical Laboratory Parameters 24 months High density lipoprotein (HDL) cholesterol, change from baseline (BL)
Lung Function Tests 24 months Forced Vital Capacity (FVC)
Blood Pressure 24 months Sitting systolic blood pressure (mmHg)
- Secondary Outcome Measures
Name Time Method Biomarkers of Exposure to Nicotine 24 months The exposure to nicotine was measured by quantifying the change from BL in the amount of nicotine equivalents excreted in urine in 24-hours (AE24h).
Nicotine Withdrawal Symptoms 24 Months Nicotine withdrawal symptoms were measured using the revised Minnesota Nicotine Withdrawal Scale (MWS-R) questionnaire. Extended total scores were used, i.e. the sum of the scores of all 15 questions of the questionnaire. Symptoms (e.g. angry, irritable, frustrated, depressed, restless, insomnia) were rated from 0 (none) to 4 (severe). Extended total scores may range from 0 to a maximum of 60.
Biomarkers of Effect 24 months Change from BL in the level of white blood cells.
Trial Locations
- Locations (2)
Simbec Research
🇬🇧Merthyr Tydfil, Wales, United Kingdom
Covance Clinical Research Unit
🇬🇧Leeds, England, United Kingdom