NCT05541497

Brief Summary

Varenicline is used to treat tobacco use dependence. It helps reduce cravings for tobacco use and decreases the pleasurable effects of cigarettes and other tobacco products. Varenicline has been proven to reduce the desire to smoke cigarettes. This study aims to test whether it shows a similar benefit for individuals who vape and are interested in quitting.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Nov 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 12, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 15, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

November 4, 2022

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2023

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

December 2, 2024

Completed
Last Updated

December 2, 2024

Status Verified

November 1, 2024

Enrollment Period

10 months

First QC Date

September 12, 2022

Results QC Date

August 28, 2024

Last Update Submit

November 25, 2024

Conditions

Keywords

e-cigarette

Outcome Measures

Primary Outcomes (1)

  • Number of Participants Abstinent From Vaping at Week 8

    Abstinence is defined as no vaping, not even a puff, every day for the last 7 days via self-report (i.e., 7 day point prevalent abstinence).

    Week 8

Secondary Outcomes (1)

  • Number of Participants Abstinent From Vaping at Week 12

    Week 12

Study Arms (2)

Varenicline + Self-Change Pamphlet

EXPERIMENTAL

* Days 1-3: 0.5mg study pill once per day * Days 4-7: 0.5mg study pill twice per day * Weeks 2-8: 1mg study pill twice per day in combination with a minimal, self-guided behavior change booklet. This booklet includes general tips for e-cigarettes cessation and information about the free web-based e-cigarette cessation program sponsored by The Truth Initiative and Mayo called "This is Quitting". This study will have an 8-week treatment period and a 4-week follow-up.

Drug: Varenicline Tartrate

Placebo + Self-Change Pamphlet

PLACEBO COMPARATOR

* Days 1-3: 0.5mg placebo pill once per day * Days 4-7: 0.5mg placebo pill twice per day * Weeks 2-8: 1mg placebo pill twice per day in combination with a minimal, self-guided behavior change booklet. This booklet includes general tips for e-cigarettes cessation and information about the free web-based e-cigarette cessation program sponsored by The Truth Initiative and Mayo called "This is Quitting". This study will have an 8-week treatment period and a 4-week follow-up.

Drug: Placebo

Interventions

Days 1-3: 0.5mg study pill once per day, Days 4-7: 0.5mg study pill twice per day, Weeks 2-8: 1mg study pill twice per day

Varenicline + Self-Change Pamphlet

Days 1-3: 0.5mg pill once per day, Days 4-7: 0.5mg pill twice per day, Weeks 2-8: 1mg pill twice per day

Placebo + Self-Change Pamphlet

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • daily use of an e-cigarette containing nicotine (defined as use for at least 25 days out of the past month)
  • use of an e-cigarette containing nicotine\> 6 months
  • have desire to quit e-cigarettes, are willing to set a quit date and maintain e-cigarette abstinence
  • have daily access to a smartphone or have regular (daily) access/use of email
  • live in South Carolina or Connecticut

You may not qualify if:

  • Vulnerable Populations: Not be enrolling vulnerable populations, specifically pregnant women, children, prisoners, or institutionalized individuals
  • The investigators will not enroll participants incapable of providing their own consent. The rationale will be provided to the individual as well as his or her family members.
  • Referrals for further evaluation, including urgent or emergent evaluation, will be made as needed and clinically warranted.
  • exclude individuals with medical contraindications for varenicline use (i.e., severe renal impairment)
  • exclude anyone currently using smoking cessation medications.
  • Individuals will also be excluded if another household member is currently enrolled in the study.
  • Individuals will be excluded if not proficient in English.
  • Individuals will be excluded if they have smoked any combustible cigarettes in the past 6 months.
  • Verification of Non-Pregnancy: Females ages \<55 will be mailed a commercially available pregnancy test to verify non-pregnancy. Written confirmation of negative pregnancy test via REDCap will be required prior to enrollment in the trial. Participants are also informed that they should let us know if they become pregnant during the trial. Medications will not be sent until this verification is in place. These procedures are based on the Medical University of South Carolina Internal Review Board approved STARS protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Yale University

New Haven, Connecticut, 06520, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

MeSH Terms

Conditions

Smoking CessationVaping

Interventions

Varenicline

Condition Hierarchy (Ancestors)

Health BehaviorBehaviorSmoking

Intervention Hierarchy (Ancestors)

BenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsQuinoxalines

Results Point of Contact

Title
Lisa Fucito, PhD: Associate Professor of Psychiatry; Director, Tobacco Treatment Service, Psychiatry
Organization
Yale School of Medicine

Study Officials

  • Lisa Fucito, Ph.D.

    Yale University

    PRINCIPAL INVESTIGATOR
  • Benjamin Toll

    Medical University of South Carolina

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 12, 2022

First Posted

September 15, 2022

Study Start

November 4, 2022

Primary Completion

September 1, 2023

Study Completion

September 1, 2023

Last Updated

December 2, 2024

Results First Posted

December 2, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

Locations