Sex Differences in E-cig Perception: Study 1

Last updated: January 26, 2026
Sponsor: Yale University
Overall Status: Completed

Phase

N/A

Condition

Tobacco Use Disorder

Substance Abuse

Addictions

Treatment

E-liquid Flavor 2

E-liquid Flavor 1

E-liquid Flavor 3

Clinical Study ID

NCT05432830
2000032981
1K01DA056494-01
  • Ages 21-44
  • All Genders
  • Accepts Healthy Volunteers

Study Summary

The primary objective is to examine the influence of sex on sensory effects, appeal, and reinforcing value of nicotine containing e-cigs in popular flavor components; sweet and cooling.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • 21-44 years old

  • Able to read/write

  • Current cigarette smoking

  • Recent E-cig Exposure (>/= 10 uses in past 6 mo.)

  • Urine cot >200ng/ml

  • Willing to abstain from nicotine/tobacco 6-8hrs prior to lab session

  • Not looking to quit

Exclusion

Exclusion Criteria:

  • Untreated chronic medical conditions

  • Non-stable Rx medication

  • Illicit drug use

  • Pregnant, trying to become pregnant, breastfeeding

  • Not fully vaccinated for Coronavirus (e.g. COVID-19)

Study Design

Total Participants: 66
Treatment Group(s): 3
Primary Treatment: E-liquid Flavor 2
Phase:
Study Start date:
April 30, 2024
Estimated Completion Date:
July 18, 2025

Study Description

This study looks at the effect of sex on the sensory effects of flavor components in e-cigarettes. Regular combustible tobacco users will sample 3 different flavored e-cigarettes containing nicotine in a human lab paradigm.

Connect with a study center

  • Connecticut Mental Health Center

    New Haven, Connecticut 06519
    United States

    Site Not Available

  • Connecticut Mental Health Center

    New Haven 4839366, Connecticut 4831725 06519
    United States

    Site Not Available

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