- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT07693660
VergeRx for Smokers Not Ready to Quit
Optimizing Pharmacist-Led Tobacco Treatment for Individuals Who Smoke and Are Not Ready to Make a Quit Attempt in Federally-Qualified Health Centers
Study Overview
Status
Conditions
Detailed Description
Background and rationale. People who smoke but are not ready to quit in the next 30 days (SNRTQ) are underserved by conventional cessation treatments, which typically require a near-term commitment to quit. Substantial questions remain about how best to treat this population, including whether combination NRT outperforms monotherapy for these smokers and how long NRT patch treatment should be provided. This study applies the optimization phase of the Multiphase Optimization Strategy (MOST) to efficiently evaluate multiple candidate components within a single experiment, guided by a Phase-Based Framework for smoking cessation.
Design. The study is a fully-crossed 2×2×2×2 factorial experiment with 16 treatment conditions and a planned enrollment of 592 participants (~37 per condition). Four components are independently randomized:
VergeRx (yes vs. no): Participants receive up to three pre-quit modules with a local pharmacist or pharmacy technician to promote NRT adherence. Readiness to quit is assessed at weekly REDCap check-ins conducted by the research team; participants may also report readiness to their pharmacist during or between sessions. Upon reporting readiness, participants advance to six treatment sessions delivered over four weeks. If readiness is not reported after four weekly check-ins, the VergeRx component ends.
SmokefreeTXT (yes vs. no): Participants receive up to three 7-day pre-quit modules ("Daily Challenges") to prepare for a quit attempt. Upon reporting readiness at a weekly check-in, participants transition to the SmokefreeTXT program, which delivers 3-5 messages per day for seven weeks. If readiness is not reported after four weekly check-ins, the component ends.
Combination NRT Lozenge + NRT Patch (vs. patch alone): Participants assigned to this component receive nicotine lozenge in addition to the NRT patch, testing whether combining delivery mechanisms improves outcomes relative to patch monotherapy in this population.
16 weeks of NRT patch (vs. standard 8 weeks): This factor tests whether an extended patch duration improves cessation relative to the standard 8-week course.
All participants receive at least 8 weeks of NRT patch beginning in Week 1. Recruitment. Participants are referred by physicians and pharmacists at their local FQHC through an ask-advise-connect model, supplemented by advertisements placed around the FQHC. Eligible participants do not intend to quit in the next 30 days, a motivational cutoff based on prior literature.
Analysis. Consistent with the factorial/MOST approach, the 16 conditions are not compared individually. The main effect of each component is estimated by pooling data across all conditions-for example, the main effect of VergeRx compares abstinence among the ~296 participants who received it against the ~296 who did not. This design uses data from all participants to estimate each component's main effect, providing adequate statistical power with approximately 37 participants per condition. A conceptual model based on the Phase-Based Framework specifies the mediating constructs (proximal outcomes) through which the components are hypothesized to influence cessation, and these mediators are assessed alongside the cessation outcomes.
Outcomes. The primary outcome is biochemically confirmed point-prevalence cigarette abstinence at the 26-week follow-up. A secondary outcome is biochemically confirmed point-prevalence abstinence at the 52-week follow-up.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Melissa A Little
- Phone Number: 4349241935
- Email: mal7uj@virginia.edu
Study Locations
-
-
Virginia
-
Charlottesville, Virginia, United States, 22904
- University of Virginia
-
Contact:
- Melissa Little
- Phone Number: 434-924-1935
- Email: mal7uj@virginia.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Not ready to quit smoking in the next 30 days
- Age ≥ 18 years
- Able to read, speak, and understand English
- Report smoking ≥ 5 cigarettes per day for the past 6 months
- Own a cell phone
- Willing and able to use nicotine replacement therapy (NRT) in the form of patch and lozenge
Exclusion Criteria:
- Currently pregnant, or planning to become pregnant in the next 6 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: VergeRx + SmokefreeTXT + 16-wk Patch + Lozenge
VergeRx; SmokefreeTXT; Extended NRT Patch (16 wk); NRT Lozenge
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 16 weeks.
|
|
Experimental: VergeRx + SmokefreeTXT + 16-wk Patch
VergeRx; SmokefreeTXT; Extended NRT Patch (16 wk)
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 16 weeks.
|
|
Experimental: VergeRx + SmokefreeTXT + 8-wk Patch + Lozenge
VergeRx; SmokefreeTXT; Standard NRT Patch (8 wk); NRT Lozenge
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: VergeRx + SmokefreeTXT + 8-wk Patch
VergeRx; SmokefreeTXT; Standard NRT Patch (8 wk)
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: VergeRx + 16-wk Patch + Lozenge
VergeRx; Extended NRT Patch (16 wk); NRT Lozenge
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 16 weeks.
|
|
Experimental: VergeRx + 16-wk Patch
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 16 weeks.
|
|
Experimental: VergeRx + 8-wk Patch + Lozenge
VergeRx; Standard NRT Patch (8 wk); NRT Lozenge
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: VergeRx + 8-wk Patch
VergeRx; Standard NRT Patch (8 wk)
|
Up to three pre-quit modules delivered by a local pharmacist/technician to promote NRT adherence; upon reported readiness to quit (assessed at weekly REDCap check-ins), participants advance to six treatment sessions over four weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: SmokefreeTXT + 16-wk Patch + Lozenge
SmokefreeTXT; Extended NRT Patch (16 wk); NRT Lozenge
|
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 16 weeks.
|
|
Experimental: SmokefreeTXT + 16-wk Patch
SmokefreeTXT; Extended NRT Patch (16 wk)
|
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 16 weeks.
|
|
Experimental: SmokefreeTXT + 8-wk Patch + Lozenge
SmokefreeTXT; Standard NRT Patch (8 wk); NRT Lozenge
|
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine lozenge provided in addition to the NRT patch (combination NRT vs. patch monotherapy).
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: SmokefreeTXT + 8-wk Patch
SmokefreeTXT; Standard NRT Patch (8 wk)
|
Up to three 7-day pre-quit "Daily Challenges" text modules; upon reported readiness to quit, the SmokefreeTXT program delivers 3-5 messages/day for seven weeks.
Component ends if readiness is not reported after four weekly check-ins.
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: 16-wk Patch + Lozenge
Extended NRT Patch (16 wk); NRT Lozenge
|
Nicotine patch provided for 16 weeks.
|
|
Experimental: 16-wk Patch
Extended NRT Patch (16 wk)
|
Nicotine patch provided for 16 weeks.
|
|
Experimental: 8-wk Patch + Lozenge
Standard NRT Patch (8 wk); NRT Lozenge
|
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
|
Experimental: 8-wk Patch (reference)
Standard NRT Patch (8 wk)
|
Nicotine patch provided for 8 weeks (all participants receive at least 8 weeks of patch beginning Week 1).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Biochemically confirmed 7-day point prevalence cigarette abstinence at 26 weeks
Time Frame: 26 weeks after enrollment
|
Point prevalence abstinence, defined as no cigarette smoking (not even a puff) within the past 7 days, biochemically confirmed using a CoVita Smokerlyzer carbon monoxide (CO) monitor at the FQHC.
Participants unable to travel who report no combustible tobacco use are mailed a cotinine test completed via Zoom.
Participants who do not provide outcome data are classified as smoking.
|
26 weeks after enrollment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Biochemically confirmed 7-day point prevalence cigarette abstinence at 52 weeks
Time Frame: 52 weeks after enrollment
|
Same definition and biochemical confirmation procedure as the primary outcome (no smoking within the past 7 days; CO-verified, with mailed cotinine confirmation via Zoom when travel is not possible; missing data classified as smoking), assessed at the 52-week follow-up to evaluate cessation maintenance.
|
52 weeks after enrollment
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Motivation to quit
Time Frame: Baseline through 52 weeks
|
Self-reported motivation/readiness to quit smoking, assessed by questionnaire at each assessment point.
|
Baseline through 52 weeks
|
|
Cigarettes smoked per day
Time Frame: Baseline through 52 weeks
|
Self-reported number of cigarettes smoked per day.
|
Baseline through 52 weeks
|
|
Adherence to NRT
Time Frame: Weeks 1 through 52
|
Adherence measured as the percentage of dispensed NRT patch and/or lozenge that was used.
|
Weeks 1 through 52
|
|
Frequency of urges to smoke
Time Frame: Baseline through 52 weeks
|
Self-reported frequency of urges to smoke (Strength of Urges to Smoke measure).
|
Baseline through 52 weeks
|
|
Strength of urges to smoke
Time Frame: Baseline through 52 weeks
|
Self-reported strength/intensity of urges to smoke.
|
Baseline through 52 weeks
|
|
Quit attempts
Time Frame: Baseline through 52 weeks
|
Number of quit attempts, where a quit attempt is defined as cigarette abstinence for ≥ 24 hours not due to involuntary cessation.
|
Baseline through 52 weeks
|
|
Time to first NRT use (NRT uptake)
Time Frame: Week 1 check-in
|
Time from enrollment (when the prescription is pushed to the pharmacy via REDCap) to first use of NRT, capturing timely initiation of medication, distinct from ongoing adherence.
|
Week 1 check-in
|
|
Program satisfaction
Time Frame: 11 weeks
|
Participant-reported barriers to treatment utilization, satisfaction with treatment components, and suggestions for improvement, using open- and closed-ended items focused on perceived capacity and opportunity to engage with the interventions.
|
11 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Melissa Little, PhD, MPH, University of Virginia
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- HSR303823
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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