Integrating smoking cessation treatment as part of usual psychological care for depression and anxiety (ESCAPE): A randomised and controlled, multicentre, acceptability and feasibility trial with nested qualitative methods

Gemma Taylor*, Katherine Sawyer, Pamela Jacobsen, Anna K M Blackwell, Shadi Daryan, Tom Freeman, Chris Metcalfe, David S Kessler, Marcus R Munafo, Paul Aveyard

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Background and aim:
There is evidence that smoking cessation may improve depression and anxiety. We assessed the feasibility of implementing and trialling a smoking cessation intervention in services providing cognitive behavioural therapy (CBT) for common mental illness.

Design:
Pragmatic, two-armed, randomised, multicentre, acceptability and feasibility trial of a co-designed smoking cessation intervention (ISRCTN99531779).

Setting:
United Kingdom National Health Service (NHS)-funded services treating depression/anxiety across 4 NHS trusts.

Participants:
Adult daily smokers starting CBT for depression/anxiety (mean age 35.6 years (standard deviation [SD]=12.7), 89.6% white) who smoked 14.3 (SD=8.2) cigarettes/day with mean Generalised Anxiety Disorder questionnaire (GAD-7) and Patient Health Questionnaire 9 (PHQ-9) scores of 13.1 (SD=4.9) and 14.5 (SD=6.0). Sixty-eight participants were allocated to the treatment group and 67 to control.

Intervention/Control:
Both groups received CBT for depression/anxiety. The treatment group also received 12 sessions of integrated smoking cessation support. The control group was signposted to cessation services post-treatment.

Measurements:
Follow-up was at 3 and 6 months. The primary outcome was “study completion” by 3 months. Other outcomes included acceptability, satisfaction, feasibility, data completeness, and mental health.

Findings:
At 3 months, treatment did not affect study completion (odds ratio [OR] 0.81, 95% confidence interval [CI]: 0.31—2.09), did not harm mental health (PHQ-9 difference: coefficient 0.01, 95% CI: -2.19 to 2.22); GAD-7: coefficient 0.65, 95% CI: -1.59 to 2.90), but increased abstinence rates (OR 8.69, 95% CI: 1.11 to 396.26). Recruitment was acceptable, and key stakeholders were satisfied with the intervention.

Conclusions:
Among UK adult smokers receiving cognitive behavioural therapy (CBT) treatment for depression or anxiety, a smoking cessation intervention within the CBT treatment was well received, did not interfere with the primary treatment goals, and increased smoking cessation.
Original languageEnglish
Pages (from-to)922-936
Number of pages15
JournalAddiction
Volume120
Issue number5
Early online date11 Mar 2025
DOIs
Publication statusPublished - 1 May 2025

Bibliographical note

Publisher Copyright:
© 2025 The Author(s). Addiction published by John Wiley & Sons Ltd on behalf of Society for the Study of Addiction.

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