Smoking Cessation Clinical Trial
Official title:
Individual, Acceptance and Commitment Therapy (ACT) in Smoking Cessation for People With Schizophrenia: a Randomized Controlled Trial
The purpose of this study is to evaluate the efficacy of using Acceptance and commitment therapy for smoking cessation for schizophrenic patients.
Status | Recruiting |
Enrollment | 160 |
Est. completion date | June 2018 |
Est. primary completion date | December 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: 1. aged 18 years or above; 2. diagnosed with schizophrenia; 3. referred by medical doctors; 4. currently smoking, i.e. have at least one cigarette per day in the past month, 5. willing to take part in a face-to-face individual intervention program in changing smoking behaviors such as smoking cessation, reduction of cigarette consumed, or the relief of withdrawal symptoms. 6. able to communicate in Cantonese. Exclusion Criteria: 1. disorientation, developmental disabilities, and/or organic conditions that will inhibit his/her understanding and participation in the therapeutic process, 2. diagnosis of alcohol or drug dependence in the preceding year of recruitment or, 3. medication regime revised in the last 3 months or, 4. current participation in another smoking cessation program. |
Country | Name | City | State |
---|---|---|---|
Hong Kong | School of Nursing, The Hong Kong Polytechnic University, Hung Hom, Kowloon | Hong Kong |
Lead Sponsor | Collaborator |
---|---|
The Hong Kong Polytechnic University |
Hong Kong,
Bricker JB, Mann SL, Marek PM, Liu J, Peterson AV. Telephone-delivered Acceptance and Commitment Therapy for adult smoking cessation: a feasibility study. Nicotine Tob Res. 2010 Apr;12(4):454-8. doi: 10.1093/ntr/ntq002. Epub 2010 Feb 8. — View Citation
Flaxman PE, Blackledge JT, Bond FW. Acceptance and commitment therapy: Distinctive features. London & New York: Routledge; 2002.
Gifford EV, Kohlenberg BS, Hayes SC, Antonuccio DO, Piasecki MM, Rasmussen-Hall ML, et al. Acceptance based treatment for smoking cessation. Behav Ther. 2004;35(4):689-705. doi: 10.1016/S0005-7894(04)80015-7. Epub 2006 Mar 3.
Gifford EV, Kohlenberg BS, Hayes SC, Pierson HM, Piasecki MP, Antonuccio DO, Palm KM. Does acceptance and relationship focused behavior therapy contribute to bupropion outcomes? A randomized controlled trial of functional analytic psychotherapy and acceptance and commitment therapy for smoking cessation. Behav Ther. 2011 Dec;42(4):700-15. doi: 10.1016/j.beth.2011.03.002. Epub 2011 May 25. — View Citation
Twohig MP, Crosby JM. Acceptance and commitment therapy as a treatment for problematic internet pornography viewing. Behav Ther. 2010 Sep;41(3):285-95. doi: 10.1016/j.beth.2009.06.002. Epub 2010 Jan 28. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Self-report of not having smoked for the past 7 days | Self-report of not having smoked for the past 7 days at 6th month after initial intervention | At 6th month after the initial intervention | |
Secondary | Self-report of not having smoked for the past 7 days | Self-report of not having smoked for the past 7 days at 12th month after initial intervention | At 12th month after the initial intervention | |
Secondary | Self-report of not having smoked for 7 days at 6th month after initial intervention, as validated by exhaled carbon monoxide test | Using exhaled carbon monoxide test to validate self-report of not having smoked for 7 days at 6th month after initial intervention | At 6th month after the initial intervention | |
Secondary | Self-report of not having smoked for 7 days at 6th month after initial intervention, as validated by urinary cotinine test | Using urinary cotinine test to validate self-report of not having smoked for 7 days at 6th month after initial intervention | At 6th month after the initial intervention | |
Secondary | Self-report of not having smoked for 7 days at 12th month after initial intervention, as validated by urinary cotinine test | Using urinary cotinine test to validate self-report of not having smoked for 7 days at 12th month after initial intervention | At 12th month after the initial intervention | |
Secondary | Forward progression on stages of readiness in smoking cessation | Self-report of forward progression on stages of readiness in smoking cessation. Prochaska's Transtheoretical Model of behavior change is used to assess the stages of readiness in smoking cessation | At 6th month after the initial intervention | |
Secondary | Increasing psychological flexibility | Acceptance and Action Questionnaire - II (AAQ-II) is used to assess the psychological flexibility of the participants | At 6th month and 12th month after the initial intervention |
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