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| Name | Class |
|---|---|
| Provincial Health Services Authority British Columbia | OTHER |
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A randomized control trial evaluating a novel smoking cessation intervention in individuals at a an inpatient clinic for clients with addiction and concurrent disorders. The intervention is based on cognitive bias modification, where participants are explicitly or implicitly trained to make avoidance movements by pushing a joystick in response to pictures of smoking, and as a result altering their cognitive biases towards smoking and tobacco dependence.
Hypothesis: Participation in the experimental (tobacco-avoidance) condition will induce reduction of smoking, assessed as lower levels of carbon monoxide measured at baseline and 12 week follow-up.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| TRAA | Active Comparator | participants will be given the active TRAA intervention where landscape images are linked with a push motion, and portrait images linked with a pull motion. Pictures will exclusively be related to smoking. |
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| Control | Placebo Comparator | participants will be given a mix of landscape and portrait pictures, equally divided into push or pull. the images will be a mix of smoking related pictures and non smoking pictures. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| TRAA intervention | Behavioral | The Tobacco Retraining of Automatic Approach The tobacco-RAA will be the intervention in changing approach tendencies towards tobacco. The task uses pictures of tobacco related objects (e.g, a cigarette) and pictures of non-tobacco related objects (e.g, a spoon). Patients will be presented with a joystick while pictures are presented on a computer screen. Patients will be presented with pictures, pulling pictures in a portrait format, while they push pictures in a landscape format. In the experimental condition pictures pushed will almost exclusively be smoking related pictures. In the control condition smoking pictures will be equally divided into push and pull conditions. |
| Measure | Description | Time Frame |
|---|---|---|
| Carbon monoxide levels in breath | The breath carbon monoxide monitoring device will be used both before the intervention for a baseline measure and at the 12-week follow-up for comparison. These two measurements will be used to detect changes in smoking patterns that may have occurred during this interval. The method allows to objectify abstinence from smoking. | baseline, 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Fagerström test for Nicotine dependence (FTND) | The FTND is a 6-item questionnaire scored to test level of nicotine dependence, and will be presented to patients prior to the intervention. Patients meeting a cut-off score of 5 or higher will be eligible to participate in the intervention portion of this study. | Baseline |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Christian Schutz, MD | UBC/ VCH | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Burnaby Centre for Mental Health and Addiction | Burnaby | British Columbia | Canada |
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