Cigarette Smoking
Conditions
Keywords
smoking reduction, smoking cessation, randomized trial, Swedish snus, smokeless tobacco
Brief summary
The study aims to establish if a low-nitrosamine, smokeless tobacco product (Swedish snus) can help adult smokers to reduce and eventually completely quit smoking.
Interventions
Snus in sachets 1.0 g or 0.5 g, 2 flavors. Usage ad libitum.
Tobacco-free, nicotine-free placebo snus, 2 sachet sizes (1.0 g, 0.5 g), 2 flavors (same as in the experimental arm). Usage ad libitum.
Sponsors
Study design
Eligibility
Inclusion criteria
* Male and female smokers in good general health aged 20-65 years regularly smoking \>10 cigarettes per day for more than 1 year who are motivated to reduce or quit smoking
Exclusion criteria
* Subjects with uncontrolled hypertension, history of coronary heart disease or other significant heart condition * History of other significant medical condition that might interfere with study procedures * Pregnant or nursing mother * Current drug abuse.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Smoking reduction defined as a reduction in self-reported number of smoked cigarettes per day >50% compared to base-line, verified by a reduction in CO in exhaled air of >1 ppm compared to base-line | 6 months |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Smoking cessation defined as self-reported total abstention from cigarettes verified by CO in exhaled air <10 ppm | 3, 6, 9 and 12 months | — |
| Clinical tests and biomarkers relevant for exposure to tobacco | 3, 6, 9, and 12 months | — |
| Smoking reduction | 12, 24, 36 and 48 months | Smoking reduction according to self-report |
Countries
Serbia