Posttraumatic Stress Disorder Clinical Trial
Official title:
Improving Functional Outcomes of Veterans With PTSD and Tobacco Dependence
Veterans with PTSD have high rates of smoking (34%-86% vs. 18% in the general population) and
have substantial difficulties with quitting tobacco. Despite the significant morbidity and
mortality associated with smoking, no smoking cessation treatments exist that intensively
target PTSD symptoms as an obstacle to quit smoking, although this is a significant barrier
to quitting for many Veterans. In addition, no smoking cessation treatments have a large
emphasis on improving the functioning of Veterans with PTSD and tobacco dependence, although
both PTSD and tobacco use negatively affect functioning across physical, mental health, and
social domains.
The goal of this SPiRE project is to evaluate Acceptance and Commitment Therapy for Veterans
with PTSD and Tobacco Use (ACT-PT), which is an acceptance and mindfulness-based smoking
cessation treatment for Veterans with PTSD and tobacco dependence. ACT-PT specifically
targets smoking cravings related to PTSD symptoms and memories of trauma, in addition to
difficulties managing PTSD symptoms. negative affect and nicotine withdrawal symptoms during
quit attempts. ACT-PT includes structured intervention components that guide Veterans to
replace smoking as a coping strategy for PTSD symptoms and memories with alternative coping
strategies (e.g., mindfulness, acceptance). And healthy living activities (e.g., engaging in
work, expanding social networks, engaging in physical exercise) that are consistent with
Veterans' values.
This project involves a small randomized clinical trial study of Veteran smokers with PTSD
and tobacco dependence randomized to one of two different types of psychosocial treatment:
ACT-PT versus the American Lung Association's Freedom From Smoking Program [FFS]. This study
has two primary aims: 1) evaluate the relative feasibility and acceptability of the two
interventions (including ease of recruitment, randomization proportion, staff and Veteran
acceptance of the treatment, retention rates, treatment adherence, fidelity, ease of the
assessment process), and 2) evaluate the preliminary efficacy of ACT-PT vs. FFS with the
primary outcomes of tobacco use, PTSD symptoms, health-related quality of life, and
functional impairment.
Veterans with PTSD have high rates of smoking (34%-86% vs. 18% in the general population) and
have substantial difficulties with quitting tobacco. Only 23% of individuals with PTSD quit
smoking compared to 50% of the general population. As a result, Veterans with PTSD are at
high risk of developing severe health problems and poor physical functioning. Fifty percent
of these long-term smokers will die of a smoking-related cause and on average, will lose 25
years of their life compared to non-smokers. Despite the significant morbidity and mortality
associated with smoking, no smoking cessation treatments exist that intensively target PTSD
symptoms as an obstacle to quit smoking, although this is a significant barrier to quitting
for many Veterans. In addition, no smoking cessation treatments have a large emphasis on
improving the functioning of Veterans with PTSD and tobacco dependence, although both PTSD
and tobacco use negatively affect functioning across physical, mental health, and social
domains.
The goal of this SPiRE project is to evaluate Acceptance and Commitment Therapy for Veterans
with PTSD and Tobacco Use (ACT-PT), which is an acceptance and mindfulness-based smoking
cessation treatment for Veterans with PTSD and tobacco dependence. ACT-PT specifically
targets smoking cravings related to PTSD symptoms and memories of trauma, in addition to
difficulties managing PTSD symptoms. negative affect and nicotine withdrawal symptoms during
quit attempts. ACT-PT includes structured intervention components that guide Veterans to
replace smoking as a coping strategy for PTSD symptoms and memories with alternative coping
strategies (e.g., mindfulness, acceptance). And healthy living activities (e.g., engaging in
work, expanding social networks, engaging in physical exercise) that are consistent with
Veterans' values. This emphasis on substantially improving health-related quality of life and
functioning across several areas makes ACT-PT particularly innovative and different from
existing treatments. However, research is needed on the relative feasibility, acceptability,
and efficacy of ACT-PT compared to standard smoking cessation treatments.
This project involves a randomized clinical trial study of Veteran smokers with PTSD and
tobacco dependence randomized to one of two different types of psychosocial treatment: ACT-PT
versus the American Lung Association's Freedom From Smoking Program [FFS] with all
participants. This study has two primary aims: 1) evaluate the relative feasibility and
acceptability of the two interventions (including ease of recruitment, randomization
proportion, staff and Veteran acceptance of the treatment, retention rates, treatment
adherence, fidelity, ease of the assessment process), and 2) evaluate the preliminary
efficacy of ACT-PT vs. FFS with the primary outcomes of tobacco use, PTSD symptoms,
health-related quality of life, and functional impairment.
;
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