Skip to content

Promoting Smoking Cessation in Lung Cancer Screening Through Proactive Treatment

Promoting Smoking Cessation in Lung Cancer Screening Through Proactive Treatment

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03612804
Acronym
PROACT
Enrollment
944
Registered
2018-08-02
Start date
2019-05-10
Completion date
2023-02-09
Last updated
2024-10-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lung Diseases, Lung Neoplasms, Smoking Reduction, Tobacco Smoking, Tobacco Use, Tomography

Keywords

smoking cessation, lung cancer screening, telephone counseling, quitline

Brief summary

This pragmatic trial will evaluate the value of routinely providing proactive smoking cessation support to current smokers as a part of participating in lung cancer screening within Veterans Health Administration.

Detailed description

This trial is a pragmatic randomized trial targeting the care of current smokers who are participating in lung cancer screening at two VA sites. Primary care providers at these sites will be randomized, and half will be offered tools to help integrate proactive smoking cessation support into the lung cancer screening process. Key proactive elements include proactive telephone outreach to all current smokers by a VA Quitline counselor that follows mailed results letters, and providing providers guidance in offering proactive cessation medication support as part of the lung cancer screening process.

Interventions

BEHAVIORALUnsigned note to provider about cessation medication prescription

For patients of providers assigned to the proactive study group, a local coordinator will review the patient's cessation medication history. If the patient is not currently being provided cessation support medication, the coordinator will enter a note for the provider about the recommended medication indicated by VA formulary guidelines.

BEHAVIORALProactive Telephone Counseling from VA Quitline

Patients of providers assigned to the proactive study group will be contacted by specially trained counselors at the VA Quitline. Counselors will attempt to provide two sessions of proactive telephone support.

Sponsors

Fred Hutchinson Cancer Center
CollaboratorOTHER
VA Office of Research and Development
Lead SponsorFED

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
No minimum to 80 Years
Healthy volunteers
No

Inclusion criteria

* Providers who schedule patients for a lung cancer screening at either of the two VA sites. * Patients who participate in lung cancer screening and are current smokers at the time of scheduling their screening exam.

Exclusion criteria

* Providers who currently systematically prescribe cessation support medication to all current smokers will be excluded. * Patients with urgent findings requiring biopsy/immediate attention on the screening CT will be excluded. * Patients with a prior diagnosis of lung cancer or who are receiving active therapy for any cancer, except skin cancer, will be excluded. * Patients previously diagnosed with cognitive impairment, dementia, or severe behavioral disorders, or have an indication in chart review of difficulty communicating or participating in telephone counseling sessions will be excluded.

Design outcomes

Primary

MeasureTime frameDescription
Self-reported Smoking Abstinence12 months after lung cancer screening visitThe primary outcome measure is self-reported abstinence from smoking 12 months after lung cancer screening, using information obtained from study surveys and electronic medical records. This measure only applies to patient enrollees.

Secondary

MeasureTime frameDescription
Cost of Smoking Cessation CareTime period from lung cancer screening through 12 months after lung cancer screeningCosts of implementing smoking cessation care from lung cancer screening to 12 months post-lung cancer screening will be monitored in both the unstructured and proactive care arms. Cost of implementing smoking cessation care is defined as the sum of the cost of behavioral counseling, cost of pharmacotherapies, and cost of intervention staff effort. This measure only applies to patient enrollees.
Patients' Experience With Telephone Counseling3 months after lung cancer screening visitBinary variable for whether participant reported being either very satisfied or somewhat satisfied with VA Quitline telephone counseling. This measure only applies to patient enrollees in the proactive arm.
Patients' Motivational Assessment3 months after lung cancer screening visitSurveys will assess patient motivation to quit smoking on a scale from 0-10 (higher scores indicate higher motivation to quit smoking). This measure only applies to patient enrollees.
Patients' Perception of Susceptibility to Harm3 months after lung cancer screening visitSurveys will assess patients' perceived susceptibility to the harmful effects of smoking and perception of screening as protective. Patients were asked 5 questions related to smoking and screening, and an overall score based on the sum of correct answers was calculated. Scores range from 0-5 (higher scores indicate greater knowledge about harmful effects of smoking and benefits of screening). This measure only applies to patient enrollees.
Patients' Self-efficacy Assessment3 months after lung cancer screening visitSurveys will assess patients' self-efficacy for quitting smoking on a scale from 0-10 (higher scores indicate greater self-efficacy for quitting smoking). This measure only applies to patient enrollees.

Countries

United States

Participant flow

Recruitment details

This was a cluster-randomized trial in which providers were randomized to one of two care arms. Patient participants were assigned to an arm based on their provider's care assignment.

Pre-assignment details

142 providers and 3,503 patients were screened for eligibility. 26 providers were excluded (19 opt-out before enrolling any patients, 7 not primary care providers) and 2,675 patients were excluded (1,865 not meeting initial inclusion/exclusion criteria, 366 no show to LCS, 178 CT scan not LCS, 130 lung-RADS 4, 87 no copay coverage, 9 provider retired/withdrawn before LCS, 40 no local coordinator to enter notes/COVID complications). 116 providers and 828 patients were randomized.

Participants by arm

ArmCount
Unstructured Care: Providers
Providers in this arm will continue to provide care as usual during lung cancer screening, with no intervention from the study team. Patients seen by these providers who receive lung cancer screening will be assigned to the unstructured care arm.
47
Unstructured Care: Patients
Providers in this arm will continue to provide care as usual during lung cancer screening, with no intervention from the study team.
412
Proactive Care: Providers
Providers in this arm will receive guidance from the study team about offering lung cancer screening patients proactive cessation care, including cessation medications and behavioral telephone counseling. Unsigned note to provider about cessation medication prescription: For patients of providers assigned to the proactive study group, a local coordinator will review the patient's cessation medication history. If the patient is not currently being provided cessation support medication, the coordinator will enter a note and unsigned order for the provider about the recommended medication indicated by VA formulary guidelines. Proactive Telephone Counseling from VA Quitline: Patients of providers assigned to the proactive study group will be contacted by specially trained counselors at the VA Quitline. Counselors will attempt to provide two sessions of proactive telephone support. Patients seen by these providers who receive lung cancer screening will be assigned to the proactive care arm.
69
Proactive Care: Patients
Providers in this arm will receive guidance from the study team about offering lung cancer screening patients proactive cessation care, including cessation medications and behavioral telephone counseling. Unsigned note to provider about cessation medication prescription: For patients of providers assigned to the proactive study group, a local coordinator will review the patient's cessation medication history. If the patient is not currently being provided cessation support medication, the coordinator will enter a note and unsigned order for the provider about the recommended medication indicated by VA formulary guidelines. Proactive Telephone Counseling from VA Quitline: Patients of providers assigned to the proactive study group will be contacted by specially trained counselors at the VA Quitline. Counselors will attempt to provide two sessions of proactive telephone support.
378
Total906

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyDeath0708
Overall StudyMedication copay coverage issues00017
Overall StudyMisassignment to a proactive arm provider0100
Overall StudyNon-veteran status0100
Overall StudyNot current smoker at time of screening0103
Overall StudyProvider involved with study activities1000
Overall StudyProvider retired from VA0020
Overall StudyWithdrawal by Subject0070

Baseline characteristics

CharacteristicUnstructured Care: PatientsTotalProactive Care: PatientsUnstructured Care: ProvidersProactive Care: Providers
Age, Continuous66.7 years
STANDARD_DEVIATION 5.9
66.7 years
STANDARD_DEVIATION 6.2
66.6 years
STANDARD_DEVIATION 6.5
Ethnicity (NIH/OMB)
Hispanic or Latino
20 Participants56 Participants36 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
382 Participants718 Participants336 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
10 Participants16 Participants6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants4 Participants3 Participants
Race (NIH/OMB)
Asian
2 Participants6 Participants4 Participants
Race (NIH/OMB)
Black or African American
50 Participants154 Participants104 Participants
Race (NIH/OMB)
More than one race
2 Participants7 Participants5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants2 Participants1 Participants
Race (NIH/OMB)
Unknown or Not Reported
10 Participants25 Participants15 Participants
Race (NIH/OMB)
White
346 Participants592 Participants246 Participants
Region of Enrollment
United States
412 Participants906 Participants378 Participants47 Participants69 Participants
Sex: Female, Male
Female
19 Participants37 Participants18 Participants
Sex: Female, Male
Male
393 Participants753 Participants360 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 07 / 4220 / 08 / 406
other
Total, other adverse events
0 / 00 / 00 / 00 / 0
serious
Total, serious adverse events
0 / 00 / 00 / 00 / 0

Outcome results

Primary

Self-reported Smoking Abstinence

The primary outcome measure is self-reported abstinence from smoking 12 months after lung cancer screening, using information obtained from study surveys and electronic medical records. This measure only applies to patient enrollees.

Time frame: 12 months after lung cancer screening visit

Population: Enrolled participants with complete outcome data. The overall number of participants analyzed is lower than enrolled participants due to missing survey/electronic medical records data.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Unstructured Care: PatientsSelf-reported Smoking Abstinence50 Participants
Proactive Care: PatientsSelf-reported Smoking Abstinence51 Participants
p-value: 0.8395% CI: [0.67, 1.64]Regression, Logistic
Secondary

Cost of Smoking Cessation Care

Costs of implementing smoking cessation care from lung cancer screening to 12 months post-lung cancer screening will be monitored in both the unstructured and proactive care arms. Cost of implementing smoking cessation care is defined as the sum of the cost of behavioral counseling, cost of pharmacotherapies, and cost of intervention staff effort. This measure only applies to patient enrollees.

Time frame: Time period from lung cancer screening through 12 months after lung cancer screening

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsCost of Smoking Cessation Care34.1 dollarsStandard Deviation 159.1
Proactive Care: PatientsCost of Smoking Cessation Care384.2 dollarsStandard Deviation 161.1
Secondary

Patients' Experience With Telephone Counseling

Binary variable for whether participant reported being either very satisfied or somewhat satisfied with VA Quitline telephone counseling. This measure only applies to patient enrollees in the proactive arm.

Time frame: 3 months after lung cancer screening visit

Population: Subset of participants in the Proactive Care arm who responded to the 3 month survey and rated their satisfaction with VA Quitline telephone counseling.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Unstructured Care: PatientsPatients' Experience With Telephone Counseling34 Participants
Secondary

Patients' Motivational Assessment

Surveys will assess patient motivation to quit smoking on a scale from 0-10 (higher scores indicate higher motivation to quit smoking). This measure only applies to patient enrollees.

Time frame: 12 months after lung cancer screening visit

Population: Subset of overall sample who responded to the 12 month survey and rated their motivation to quit smoking.

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsPatients' Motivational Assessment7.48 score on a scaleStandard Deviation 2.95
Proactive Care: PatientsPatients' Motivational Assessment7.3 score on a scaleStandard Deviation 3.2
Secondary

Patients' Motivational Assessment

Surveys will assess patient motivation to quit smoking on a scale from 0-10 (higher scores indicate higher motivation to quit smoking). This measure only applies to patient enrollees.

Time frame: 3 months after lung cancer screening visit

Population: Subset of overall sample who responded to the 3 month survey and rated their motivation to quit smoking.

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsPatients' Motivational Assessment7.54 score on a scaleStandard Deviation 3.01
Proactive Care: PatientsPatients' Motivational Assessment7.95 score on a scaleStandard Deviation 3.05
Secondary

Patients' Perception of Susceptibility to Harm

Surveys will assess patients' perceived susceptibility to the harmful effects of smoking and perception of screening as protective. Patients were asked 5 questions related to smoking and screening, and an overall score based on the sum of correct answers was calculated. Scores range from 0-5 (higher scores indicate greater knowledge about harmful effects of smoking and benefits of screening). This measure only applies to patient enrollees.

Time frame: 3 months after lung cancer screening visit

Population: Subset of overall sample who responded to the 3 month survey and rated their perceived susceptibility to the harmful effects of smoking and perception of screening as protective.

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsPatients' Perception of Susceptibility to Harm1.97 score on a scaleStandard Deviation 1.11
Proactive Care: PatientsPatients' Perception of Susceptibility to Harm2.09 score on a scaleStandard Deviation 1.02
Secondary

Patients' Self-efficacy Assessment

Surveys will assess patients' self-efficacy for quitting smoking on a scale from 0-10 (higher scores indicate greater self-efficacy for quitting smoking). This measure only applies to patient enrollees.

Time frame: 3 months after lung cancer screening visit

Population: Subset of overall sample who responded to the 3 month survey and rated their self-efficacy for quitting smoking.

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsPatients' Self-efficacy Assessment5.7 score on a scaleStandard Deviation 3.3
Proactive Care: PatientsPatients' Self-efficacy Assessment6.5 score on a scaleStandard Deviation 3.1
Secondary

Patients' Self-efficacy Assessment

Surveys will assess patients' self-efficacy for quitting smoking on a scale from 0-10 (higher scores indicate greater self-efficacy for quitting smoking). This measure only applies to patient enrollees.

Time frame: 12 months after lung cancer screening visit

Population: Subset of overall sample who responded to the 12 month survey and rated their self-efficacy for quitting smoking.

ArmMeasureValue (MEAN)Dispersion
Unstructured Care: PatientsPatients' Self-efficacy Assessment5.8 score on a scaleStandard Deviation 3.4
Proactive Care: PatientsPatients' Self-efficacy Assessment6.1 score on a scaleStandard Deviation 3.3

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026