VergeRx for Smokers Not Ready to Quit

July 2, 2026 updated by: Melissa Little, PhD, MPH, University of Virginia

Optimizing Pharmacist-Led Tobacco Treatment for Individuals Who Smoke and Are Not Ready to Make a Quit Attempt in Federally-Qualified Health Centers

This study uses a factorial optimization experiment to identify which treatment components help adults who smoke and are not ready to quit in the next 30 days (smokers not ready to quit, or SNRTQ) achieve smoking cessation. Participants are recruited through Federally Qualified Health Centers (FQHCs) in Virginia and West Virginia. All participants receive at least 8 weeks of nicotine replacement therapy (NRT) patch. Using a 2×2×2×2 factorial design, the study independently tests four components: a pharmacist-delivered behavioral program (VergeRx), a text-message support program (SmokefreeTXT), the addition of an NRT lozenge to the patch, and an extended 16-week course of the NRT patch versus the standard 8 weeks. The goal is to estimate the effect of each component on biochemically confirmed smoking abstinence so that an optimized treatment package can be assembled. The primary outcome is abstinence at 26 weeks; a secondary outcome is abstinence at 52 weeks.

Study Overview

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

Interventional

Enrollment (Estimated)

592

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

    • Virginia
      • Charlottesville, Virginia, United States, 22904
        • University of Virginia
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

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

This section provides details of the study plan, including how the study is designed and what the study is measuring.

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

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Melissa Little, PhD, MPH, University of Virginia

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

December 1, 2027

Primary Completion (Estimated)

December 1, 2031

Study Completion (Estimated)

November 1, 2032

Study Registration Dates

First Submitted

July 2, 2026

First Submitted That Met QC Criteria

July 2, 2026

First Posted (Actual)

July 9, 2026

Study Record Updates

Last Update Posted (Actual)

July 9, 2026

Last Update Submitted That Met QC Criteria

July 2, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

No plans to share data at the individual level

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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.

Clinical Trials on Tobacco Use Cessation

3
Subscribe