A Novel Treatment to Boost Quit Attempts and Cessation Among Unmotivated Smokers
|ClinicalTrials.gov Identifier: NCT00706979|
Recruitment Status : Completed
First Posted : June 30, 2008
Results First Posted : December 9, 2011
Last Update Posted : December 9, 2011
A sample of smokers who have no current plans to quit will be recruited for this study and randomized to one of two intervention conditions:
- Practice Quit Attempt (PQA) aided by brief advice and self-help materials, or
- PQA aided by advice and self-help materials plus nicotine replacement therapy (NRT).
This study will test whether adding free nicotine replacement therapy to brief advice to undertake a practice quit attempt will motivate more smokers to make a serious attempt to stop smoking than brief advice without NRT. All treatments and assessments will be delivered via telephone and mailing. The primary outcome of interest is the incidence of a serious attempt to permanently stop smoking made over a six-month study period.
Our specific hypotheses are as follows:
Hypothesis 1: Helping smokers to make a practice quit attempt aided by NRT will result in a higher incidence of making a serious effort to quit smoking permanently, compared to an aided practice quit attempt without NRT. We also expect provision of NRT will increase point prevalence abstinence at 6 month follow-up.
Hypothesis 2: This relationship between NRT-aided practice quit attempts and quit behaviors will be mediated by a) increased smoking related self efficacy, b) increased belief in the efficacy of NRT, c) fewer concerns about adverse events of NRT, d) increased social support for not smoking, and e) less withdrawal distress and craving during the practice quit attempt.
|Condition or disease||Intervention/treatment||Phase|
|Smoking Smoking Cessation||Other: Practice Quit Attempt plus nicotine lozenge Behavioral: Practice Quit Attempt only||Not Applicable|
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||849 participants|
|Intervention Model:||Parallel Assignment|
|Masking:||None (Open Label)|
|Official Title:||A Novel Treatment to Boost Quit Attempts and Cessation Among Unmotivated Smokers|
|Study Start Date :||September 2008|
|Actual Primary Completion Date :||October 2010|
|Actual Study Completion Date :||October 2010|
Practice Quit Attempt plus Nicotine Replacement Therapy
Other: Practice Quit Attempt plus nicotine lozenge
nicotine lozenge, 2 mg or 4 mg
Active Comparator: 2
Practice Quit Attempt only
Behavioral: Practice Quit Attempt only
Practice Quit Attempts (PQA) message aided by brief advice and self-help materials
- A Serious Quit Attempt in Which the Participant Intends to Permanently Stop Smoking [ Time Frame: From study enrollment through six month follow-up ]The primary outcome was an attempt to quit smoking for good. To distinguish from a PQA, we specifically asked participants if they tried to quit smoking with the intent of quitting for good. Quit attempts were defined as any self-defined attempt to quit for good.
- A 24 Hour Serious Quit Attempt in Which the Participant Intends to Permanently Stop Smoking [ Time Frame: From study enrollment through six month follow-up ]Serious quit attempt of >=24hrs, which fits the CDC's definition of a quit attempt.
- Abstinence From Cigarette Smoking, Where Abstinence is Defined as Self-report of Not Smoking at All for 7 Consecutive Days [ Time Frame: At any point during the study ]
- Abstinence From Cigarette Smoking, Where Abstinence is Defined as Self-report of Not Smoking at All for 7 Consecutive Days [ Time Frame: At 6-month follow-up ]
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00706979
|Principal Investigator:||Matthew J Carpenter, Ph.D.||Medical University of South Carolina|