Actively Recruiting

Phase 3
Age: 21Years +
All Genders
Healthy Volunteers
NCT05703672

Switching to E-cigarettes in Smokers Not Interested in Quitting

Led by University of Kansas Medical Center · Updated on 2025-12-29

500

Participants Needed

2

Research Sites

188 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The objectives of this application are to 1) compare short- and long-term harm reduction and abuse liability potential of a nicotine salt pod-based electronic cigarettes (EC) in adult (AA) exclusive EC, dual cig-EC, and exclusive cig users, 2) characterize factors that predict who switches fully, partially, or not at all, and 3) examine if harm reduction can be further enhanced by treating dual users with varenicline (VAR) to eliminate cigarette smoking.

CONDITIONS

Official Title

Switching to E-cigarettes in Smokers Not Interested in Quitting

Who Can Participate

Age: 21Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • 21 years of age or older
  • Smoke more than 5 cigarettes per day
  • Smoked cigarettes for more than 6 months
  • Verified smoker with carbon monoxide above 5 ppm
  • Have a functioning telephone
  • Interested in switching to electronic cigarettes
  • Willing to take varenicline and attend all study visits
Not Eligible

You will not qualify if you...

  • Interested in quitting smoking
  • Used smoking cessation drugs in the past month
  • Used other tobacco products in the past 30 days (cigarillos, cigars, hookah, smokeless tobacco, pipes)
  • Used electronic cigarettes on more than 4 of the past 30 days
  • Uncontrolled high blood pressure (systolic over 180 or diastolic over 105)
  • Had a heart-related event in the past 30 days
  • Medical reasons preventing use of varenicline, including unstable heart conditions, recent cardiac events or stroke, kidney problems, severe allergies, epilepsy or seizures, recent psychiatric hospitalization, or active suicidal thoughts
  • Pregnant, planning pregnancy, or breastfeeding
  • Planning to move from the Kansas City area during the study
  • Another household member enrolled in the study

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

Swope Health Central

Kansas City, Missouri, United States, 64130

Actively Recruiting

2

University of Kansas Medical Center

Kansas City, Missouri, United States, 64130

Actively Recruiting

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Research Team

T

Tricia Snow, MPH

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

3

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