Improving Quitline Support Study
Public ClinicalTrials.gov record NCT03538938. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Improving Quitline Support Study: Optimizing Remotely Delivered Smoking Cessation Services for Low-Income Smokers
Study identification
- NCT ID
- NCT03538938
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Enrollment
- 1,316 participants
Conditions and interventions
Conditions
Interventions
- 1-Call Quitline Counseling Behavioral
- 4-Call Quitline Counseling Behavioral
- Financial Incentives for Treatment Engagement Behavioral
- Nicotine Patch and Nicotine Lozenge Drug
- Nicotine patch Drug
- No Financial Incentives for Treatment Engagement Behavioral
- No SmokefreeTXT Behavioral
- SmokefreeTXT Behavioral
Behavioral · Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 6, 2018
- Primary completion
- Aug 14, 2023
- Completion
- Aug 14, 2023
- Last update posted
- Jul 11, 2024
2018 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Wisconsin Tobacco Quit Line (service provided by Free & Clear, Inc.) | Seattle | Washington | 98104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03538938, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 11, 2024 · Synced Apr 29, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03538938 live on ClinicalTrials.gov.