NCT03611881.

Study name	Assessing the integration of tobacco cessation treatment into lung cancer screening
Methods	Three factor (2 x 2 x 2) factorial randomised controlled trial Country: USA Recruitment was of people scheduled to undergo routine computed tomography (CT) lung cancer screening at participating Mass General Brigham Health Care System lung cancer screening sites
Participants	640 smokers (smoked in last 30 days) scheduled to undergo routine CT lung cancer screening; aged 50 to 80 years; 20+ pack/years
Interventions	8 arms combining 3 factors: 1. Behavioural phone or videoconferencing counselling to promote smoking cessation 4 weeks of counselling 8 weeks of counselling 2. Nicotine patch in a tapering dose of 21 mg, 14 mg, 7 mg 2 weeks of patch use 8 weeks of patch use 3. Counsellor‐facilitated referral to a community‐based programme to address social needs Referral No referral
Outcomes	7‐day PPA at 6 months Validation: self‐reported Self‐reported 7‐day PPA at 3 months Adverse events: not listed as an outcome
Starting date	8 April 2019
Contact information	Elyse Park, PhD, Associate Professor of Psychiatry, Massachusetts General Hospital, (617) 724‐6836; epark@mgh.harvard.edu
Notes	Estimated study completion date: 1 February 2023