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Contingency Management to Promote Smoking Abstinence in Cancer Patients

Contingency Management to Promote Smoking Abstinence in Cancer Patients

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04605458
Enrollment
282
Registered
2020-10-28
Start date
2020-11-25
Completion date
2025-12-18
Last updated
2026-08-18

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

Conditions

Smoking Cessation

Brief summary

This is a smoking cessation treatment study. Patients who have a cancer or a suspected cancer who will undergo surgical removal of their cancer are eligible to participate in this study. A novel smoking cessation treatment will be provided to half of the participants in the study. All study participants will receive standard smoking cessation therapy including counseling and the nicotine patch.

Interventions

COMBINATION_PRODUCTContingency Management

Participants will receive 3-6 counseling sessions, nicotine patches \& lozenges, and monetary payment delivered contingent on abstinence verified by CO breath test.

COMBINATION_PRODUCTStandard Care

Participants will receive 3-6 counseling sessions, nicotine patches \& lozenges, and CO breath test monitoring.

Sponsors

Medical University of South Carolina
Lead SponsorOTHER
National Cancer Institute (NCI)
CollaboratorNIH

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age 18 or older 2. smoking 1 or more combustible tobacco products per day 3. diagnosed with or suspicion of any type of operable cancer

Exclusion criteria

1. unstable psychiatric/medical conditions such as suicidal ideation, acute psychosis, or dementia 2. non-English speaking 3. use of alternative nicotine delivery systems (e.g., e-cigarettes, snus, etc) 4. pregnant women

Design outcomes

Primary

MeasureTime frameDescription
Abstinence Rates as Assessed by Self-report for Past 7 Days, Carbon Monoxide Breath Monitoring and/or Anabasine TestingChanges between the study intake appointment to day of surgery, up to five weeks apartAbstinence will be defined by 7 days by self-report of no tobacco products, confirmed by CO breath test less than or equal to 4ppm and/or urine anabasine levels less than or equal to 2 ng/ml

Secondary

MeasureTime frameDescription
Abstinence Rates as Assessed by Self-report for Past 7 Days, Carbon Monoxide Breath Monitoring and/or Anabasine TestingThree months after surgery dateAbstinence will be defined by 7 days by self-report of no tobacco products, confirmed by CO breath test less than or equal to 4ppm and/or urine anabasine levels less than or equal to 2 ng/ml

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORBenjamin Toll

Medical University of South Carolina

Baseline characteristics

Characteristic
Age, Continuous59.4 years
STANDARD_DEVIATION 10.7
Cigarettes Smokerd Per day, mean15 CPD
STANDARD_DEVIATION 8.7
Ethnicity (NIH/OMB)
Hispanic or Latino
4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
140 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
3 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
69 Participants
Race (NIH/OMB)
More than one race
7 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
Race (NIH/OMB)
White
107 Participants
Sex: Female, Male
Female
83 Participants
Sex: Female, Male
Male
60 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
5 / 1394 / 143
other
Total, other adverse events
0 / 1390 / 143
serious
Total, serious adverse events
5 / 1394 / 143

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 19, 2026