NCT03612804.

Study name	Promoting smoking cessation in lung cancer screening through proactive treatment
Methods	Cluster‐randomized controlled trial
Participants	Target: 540 primary care patients
Interventions	Intervention: patients of providers assigned to the proactive study group will be contacted by specially trained counselors at the Veterans Affairs Quitline. Counselors will attempt to provide 2 sessions of proactive telephone support Control: usual care
Outcomes	Self‐reported abstinence from smoking for 7 days, biochemically confirmed with saliva cotinine 12 months after lung cancer screening
Starting date	2019
Contact information	Steven B Zeliadt, Steven.Zeliadt@va.gov
Notes	NCT03612804