Investigation of Cigarette Cravings in Smokers
2021年4月11日 更新者：Marco Leyton
Investigating Stress-Potentiated Memory Updating as a Novel Intervention for Non-Treatment Seeking Smokers
Interventions to disrupt memory reconsolidation have held promise for the treatment of stress- and anxiety-related disorders. In the present study, the investigators will examine whether an intervention based on these principles, called memory updating, could be adapted for reward-seeking behaviors. To test this, non-treatment seeking tobacco smokers will be exposed to smoking cues and/or stress, two stimuli known to trigger smoking. It is predicted that exposure to a stress task will enhance the cues' motivational salience and yield greater susceptibility to the memory updating procedure.
As an add-on, the investigators will examine COVID-associated changes in substance use and whether participants in the memory updating groups might be more resilient to these effects. It is predicted that the changes in substance use will depend on whether the substances are used primarily in social settings.
研究概览
地位
主动，不招人
详细说明
Non-treatment seeking cigarette dependent smokers will be randomized to one of four testing conditions: 1) a non-stressful task followed by neutral cues, 2) the non-stressful task followed by smoking cues, 3) a stressful task followed by neutral cues, or 4) the stressful task followed by smoking cues. Ten minutes after the intervention, participants will undergo a 60-minute extinction procedure consisting of smoking-related videos, images and smoking paraphernalia. Cue reactivity test sessions will take place 24 hours, 2 weeks and 6 weeks following the intervention.
COVID-associated changes in substance use will be quantified over three telephone interviews: one at the end of March / beginning of April 2020 (at the start of the pandemic), one at the end of April / beginning of May, and a final one which will be instituted if feasible once the infection rates and social distancing policies have decreased.
研究类型
介入性
注册 (实际的)
76
阶段
- 不适用
联系人和位置
本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。
学习地点
-
-
Quebec
-
Montreal、Quebec、加拿大、H3A 1A1
- McGill University
-
-
参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 至 65年 (成人、年长者)
接受健康志愿者
不
有资格学习的性别
全部
描述
Inclusion Criteria:
- Scoring 5 or higher on the Fagerström Test for Cigarette Dependence
- Willingness to abstain from smoking for 4 hours prior to each laboratory visit
Exclusion Criteria:
- Currently using cigarette cessation products
- Endocrinological problems
- Significant mental or physical health conditions
- Pregnancy
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：随机化
- 介入模型：并行分配
- 屏蔽：单身的
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
实验性的：Stress task and smoking cue
Exposure to a psychosocial stress task followed by smoking video cues
|
Exposure to a psychosocial stressor
Exposure to a smoking-related task
|
|
实验性的：Stress task and neutral cue
Exposure to a psychosocial stress task followed by neutral video cues
|
Exposure to a psychosocial stressor
Exposure to neutral cues
|
|
有源比较器：Control task and smoking cue
Exposure to a control task followed by smoking video cues
|
Exposure to a smoking-related task
Exposure to a control task (no stress)
|
|
有源比较器：Control task and neutral cue
Exposure to a control task followed by neutral video cues
|
Exposure to neutral cues
Exposure to a control task (no stress)
|
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Change in cigarettes smoked per day from the pre-intervention baseline to test sessions 2 and 3 given two and six weeks post-intervention
大体时间：At the end of test session 1 (24 hours post-intervention), participants will receive a journal to record their daily smoking behaviour. They are asked to keep this journal until test session 3 (6 weeks post-intervention).
|
A journal is given to participants to record their cigarette use behaviour every day for a month and a half
|
At the end of test session 1 (24 hours post-intervention), participants will receive a journal to record their daily smoking behaviour. They are asked to keep this journal until test session 3 (6 weeks post-intervention).
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Change in smoking cue-induced cigarette cravings from the pre-intervention baseline to test session 2
大体时间：Multiple times points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention.
|
Participants will be asked to complete craving and urge to smoke questionnaires at several time points throughout the study sessions
|
Multiple times points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention.
|
|
Change in smoking cue-induced cigarette cravings from the pre-intervention baseline to test session 3
大体时间：Multiple times points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention.
|
Participants will be asked to complete craving and urge to smoke questionnaires at several time points throughout the study sessions
|
Multiple times points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention.
|
|
Change in smoking cue-induced heart rate responses from the pre-intervention baseline to test session 2
大体时间：Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
Participants' heart rate will be measured through the use of a polar belt at several time points during the study sessions
|
Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
|
Change in smoking cue-induced heart rate responses from the pre-intervention baseline to test session 3
大体时间：Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
Participants' heart rate will be measured through the use of a polar belt at several time points during the study sessions
|
Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
|
Change in smoking cue-induced skin conductance responses from the pre-intervention baseline to test session 2
大体时间：Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
Participants' skin conductance will be measured through the use of electrodes on their index and middle fingers at several time points during the study sessions
|
Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
|
Change in smoking cue-induced skin conductance responses from the pre-intervention baseline to test session 3
大体时间：Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
Participants' skin conductance will be measured through the use of electrodes on their index and middle fingers at several time points during the study sessions
|
Multiple time points during the baseline, intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
|
Change in tobacco and other substance use patterns from the pre-COVID-19 baseline to during COVID-19
大体时间：Multiple time points at baseline (before the pandemic), at the start of the pandemic, and during the pandemic
|
Participants will be asked to report the quantity of cigarettes and/or other substances they have consumed recently
|
Multiple time points at baseline (before the pandemic), at the start of the pandemic, and during the pandemic
|
|
Change in tobacco and other substance use patterns from the pre-COVID-19 baseline to post-COVID-19
大体时间：At baseline (before the pandemic) and through study completion, an average of 1 year
|
Participants will be asked to report the quantity of cigarettes and/or other substances they have consumed recently
|
At baseline (before the pandemic) and through study completion, an average of 1 year
|
|
Change in tobacco and other substance use patterns during the COVID-19 pandemic to post-COVID-19
大体时间：Multiple time points during the pandemic and through study completion, an average of 1 year
|
Participants will be asked to report the quantity of cigarettes and/or other substances they have consumed recently
|
Multiple time points during the pandemic and through study completion, an average of 1 year
|
其他结果措施
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Change in stress- and/or cue-induced mood during the intervention and at test sessions 1, 2 and 3
大体时间：Multiple time points during the intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
Participants will be asked to complete a mood questionnaire at several time points during the intervention and at test sessions 1, 2 and 3
|
Multiple time points during the intervention and test sessions at 24 hours, 2 weeks and 6 weeks post-intervention
|
|
Change in cigarette use over the course of the procedure as a function of personality factors, childhood trauma, perceived stress, mood and/or cigarette withdrawal
大体时间：Multiple time points at baseline, during the intervention, at test sessions (24 hours, 2 weeks and 6 weeks post-intervention) and telephone follow-ups (6 months post-intervention)
|
Participants will be asked to complete self-report questionnaires about their personality traits, traumatic childhood experiences, perceived stress, current mood states and cigarette withdrawal symptoms
|
Multiple time points at baseline, during the intervention, at test sessions (24 hours, 2 weeks and 6 weeks post-intervention) and telephone follow-ups (6 months post-intervention)
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
赞助
调查人员
- 首席研究员：Marco Leyton, PhD、McGill University
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (实际的)
2018年2月20日
初级完成 (实际的)
2020年5月1日
研究完成 (预期的)
2022年1月31日
研究注册日期
首次提交
2021年4月3日
首先提交符合 QC 标准的
2021年4月11日
首次发布 (实际的)
2021年4月14日
研究记录更新
最后更新发布 (实际的)
2021年4月14日
上次提交的符合 QC 标准的更新
2021年4月11日
最后验证
2021年4月1日
更多信息
与本研究相关的术语
计划个人参与者数据 (IPD)
计划共享个人参与者数据 (IPD)？
是的
IPD 计划说明
We will share deidentified individual participant data that underlie any results reported in the article.
This includes results reported in text, figures and appendices.
IPD 共享时间框架
From 9 to 36 months following article publication.
IPD 共享访问标准
Investigators whose proposed use of the data has already been approved by an ethics committee.
药物和器械信息、研究文件
研究美国 FDA 监管的药品
不
研究美国 FDA 监管的设备产品
不
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.