CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 652 enrolled
Drug / intervention
Varenicline 0.5 MG +1 moredrug
Likely dose
Varenicline 0.5 MGfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04525755
NCT04525755Phase 2Completed

A Translational Randomized Clinical Trial of Varenicline Sampling to Promote Smoking Cessation and Scalable Treatment Dissemination

Medical University of South Carolina·interventional·Posted Aug 25, 2020·Updated Feb 17, 2026

In Brief

A Phase 2 clinical trial evaluating Varenicline 0.5 MG and Nicotine Replacement Therapy (NRT) for Smoking and 3 related conditions. Completed, enrolled 652 participants across 1 site.

Detailed Summary

This is a research study to find out if a smoking cessation medications, either varenicline or nicotine replacement products (patches or lozenges), are effective when given to smokers, remotely, as a one-time sample. Participants will either receive a sample of varenicline, nicotine patches and lozenges, or neither. This will be decided randomly. Participants have a 50%chance of receiving varenicline, a 25% chance of receiving nicotine products, and a 25% chance of receiving neither. If the participant is assigned to a group that receives free samples, they will be mailed to them free of charge. There is no requirement to use them, and it is completely up to the participants. There is also no requirement to quit in this study. The study lasts for six months, and will involve six total surveys. In addition, investigators ask that participants complete daily diaries (about 1 minute each) for the first 4 weeks of the study. Both varenicline and nicotine replacement products are well-established medications that help smokers quit.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedAug 25, 2020
Enrollment StartFeb 8, 2021
Primary CompletionApr 5, 2025
TodayJul 2, 2026
Enrollment to primary: 4.2 yearsPosted 5.9 years ago

Interventions

Varenicline 0.5 MGdrug

varenicline comes in bottles of 56 - 0.5 mg pills

Nicotine Replacement Therapy (NRT)drug

28 day supply of nicotine patch (1 patch x 28 days @ 14 mg) and lozenge (14 per day x 28 days @ 4 mg)