Trial · NCT03538938
Improving Quitline Support Study
NCT03538938, Phase 4, Completed, University of Wisconsin, Madison; results first posted 2024-07-12
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Improving Quitline Support Study. Trials, record NCT03538938. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03538938
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Improving Quitline Support Study
- NCT number
- NCT03538938
- Status
- Completed
- Phases
- Phase 4
- Enrollment
- 1,316 participants, actual
- Lead sponsor
- University of Wisconsin, Madison
- Conditions
- Tobacco Use Cessation
- Interventions
1-Call Quitline Counseling, 4-Call Quitline Counseling, Nicotine patch, Nicotine Patch and Nicotine Lozenge, SmokefreeTXT, No SmokefreeTXT, Financial Incentives for Treatment Engagement, No Financial Incentives for Treatment Engagement
- First posted
- 2018-05-29
- Last updated
- 2024-07-12
- Results first posted
- 2024-07-12
Source ClinicalTrials.gov
Registered outcomes1
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | 7-Day Point-Prevalence Abstinence | 6-months | Participants will be coded as abstinent if they self-report no smoking for the past 7 days at the assessment endpoint (6 month follow-up) and provide a saliva sample for cotinine testing with a value of \<4 ng/ml. Participants will be considered not abstinent if they are lost to follow-up, report any smoking in the past 7 days, return a saliva sample with cotinine greater than or equal to 4 ng/ml, or fail to return a usable saliva sample. |
Source ClinicalTrials.gov
Outcomes1
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
| Type | Outcome | Time frame | Population | Units | Measured as |
|---|---|---|---|---|---|
| PRIMARY | 7-Day Point-Prevalence Abstinence | 6-months | All randomized participants were included in intent-to-treat analyses. | Participants | COUNT_OF_PARTICIPANTS |
Source ClinicalTrials.gov
Results by group16
Each measurement the trial posted, group by group, in the words and numbers it posted.
| Outcome | Group | Category | Value | Spread | Units |
|---|---|---|---|---|---|
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch, SmokefreeTXT, Financial Incentive | 11 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch, SmokefreeTXT, No Financial Incentive | 7 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch, No SmokefreeTXT, Financial Incentive | 8 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch, No SmokefreeTXT, No Financial Incentive | 10 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch+Loz, SmokefreeTXT, Financial Incentive | 6 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch+Loz, SmokefreeTXT, No Financial Incentive | 10 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch+Loz, No SmokefreeTXT, Financial Incentive | 10 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 1-Call, Patch+Loz, No SmokefreeTXT, No Financial Incentive | 15 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 4-Call, Patch, SmokefreeTXT, Financial Incentive | 4 | Participants | ||
| 7-Day Point-Prevalence Abstinence | 4-Call, Patch, SmokefreeTXT, No Financial Incentive | 16 | Participants |
1 to 10 of 16Source ClinicalTrials.gov
See all 16 results by groupParticipant flow48
How many started, completed or left each group, period by period.
| Period | Milestone | Group | Participants | Units counted |
|---|---|---|---|---|
| Overall Study | STARTED | 1-Call, Patch, SmokefreeTXT, Financial Incentive | 83 | |
| Overall Study | STARTED | 1-Call, Patch, SmokefreeTXT, No Financial Incentive | 84 | |
| Overall Study | STARTED | 1-Call, Patch, No SmokefreeTXT, Financial Incentive | 80 | |
| Overall Study | STARTED | 1-Call, Patch, No SmokefreeTXT, No Financial Incentive | 85 | |
| Overall Study | STARTED | 1-Call, Patch+Loz, SmokefreeTXT, Financial Incentive | 82 | |
| Overall Study | STARTED | 1-Call, Patch+Loz, SmokefreeTXT, No Financial Incentive | 82 | |
| Overall Study | STARTED | 1-Call, Patch+Loz, No SmokefreeTXT, Financial Incentive | 84 | |
| Overall Study | STARTED | 1-Call, Patch+Loz, No SmokefreeTXT, No Financial Incentive | 82 | |
| Overall Study | STARTED | 4-Call, Patch, SmokefreeTXT, Financial Incentive | 80 | |
| Overall Study | STARTED | 4-Call, Patch, SmokefreeTXT, No Financial Incentive | 81 |
1 to 10 of 48Source ClinicalTrials.gov
See all 48 participant flowAdverse events256
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
| Type | Event | Organ system | Group | Affected | At risk | Events |
|---|---|---|---|---|---|---|
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch, SmokefreeTXT, Financial Incentive | 3 | 83 | 3 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch, SmokefreeTXT, No Financial Incentive | 0 | 84 | 0 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch, No SmokefreeTXT, Financial Incentive | 3 | 80 | 3 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch, No SmokefreeTXT, No Financial Incentive | 1 | 85 | 1 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch+Loz, SmokefreeTXT, Financial Incentive | 3 | 82 | 3 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch+Loz, SmokefreeTXT, No Financial Incentive | 0 | 82 | 0 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch+Loz, No SmokefreeTXT, Financial Incentive | 2 | 84 | 2 |
| serious | Infection prompting hospitalization | Infections and infestations | 1-Call, Patch+Loz, No SmokefreeTXT, No Financial Incentive | 0 | 82 | 0 |
| serious | Infection prompting hospitalization | Infections and infestations | 4-Call, Patch, SmokefreeTXT, Financial Incentive | 0 | 80 | 0 |
| serious | Infection prompting hospitalization | Infections and infestations | 4-Call, Patch, SmokefreeTXT, No Financial Incentive | 1 | 81 | 1 |
1 to 10 of 256Source ClinicalTrials.gov
See all 256 adverse eventsAdverse event totals48
The totals the trial posted for each group.
| Total | Group | Affected | At risk |
|---|---|---|---|
| Total, all-cause mortality | 1-Call, Patch, SmokefreeTXT, Financial Incentive | 0 | 83 |
| Total, all-cause mortality | 1-Call, Patch, SmokefreeTXT, No Financial Incentive | 0 | 84 |
| Total, all-cause mortality | 1-Call, Patch, No SmokefreeTXT, Financial Incentive | 2 | 80 |
| Total, all-cause mortality | 1-Call, Patch, No SmokefreeTXT, No Financial Incentive | 0 | 85 |
| Total, all-cause mortality | 1-Call, Patch+Loz, SmokefreeTXT, Financial Incentive | 0 | 82 |
| Total, all-cause mortality | 1-Call, Patch+Loz, SmokefreeTXT, No Financial Incentive | 1 | 82 |
| Total, all-cause mortality | 1-Call, Patch+Loz, No SmokefreeTXT, Financial Incentive | 0 | 84 |
| Total, all-cause mortality | 1-Call, Patch+Loz, No SmokefreeTXT, No Financial Incentive | 1 | 82 |
| Total, all-cause mortality | 4-Call, Patch, SmokefreeTXT, Financial Incentive | 1 | 80 |
| Total, all-cause mortality | 4-Call, Patch, SmokefreeTXT, No Financial Incentive | 1 | 81 |
1 to 10 of 48Source ClinicalTrials.gov
See all 48 adverse event totalsPapers1
The papers the trial lists on ClinicalTrials.gov.
| PMID | Listed as |
|---|---|
| 39504025 | DERIVED |
Source PubMed
Grants1
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
| Project | Title | Principal investigators | Organization | Funder | Fiscal years |
|---|---|---|---|---|---|
| R01CA218156 | Optimizing remotely delivered Smoking Cessation Services for Low-Income Smokers | MCCARTHY, DANIELLE ERIN; FIORE, MICHAEL C | UNIVERSITY OF WISCONSIN-MADISON | NATIONAL CANCER INSTITUTE | 2017 to 2021 |
Source NIH RePORTER
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT03538938
GET https://conductscience.org/api/trials/v1/NCT03538938/flow?page=2