Testing the Effect of ENDS Flavors on Neurotransmission

Completed · Not applicable

Conditions studied: Tobacco Dependence

In brief

The overarching goal of this translational proposal is to determine if neuroactive flavor chemicals can enhance the addiction potential of electronic nicotine delivery systems (ENDS) by altering brain function and behavior.

Key facts

Study ID

NCT05836051

Run by

Milton S. Hershey Medical Center

People needed

36

Starts

2023-06-01

Expected to finish

2025-07-31

Last updated by the study team

2026-08-07

Who can join

Age: 21 and older, up to 60. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 21 to 60 years old
• Regular users of inhaled tobacco products (≥5 days out of the last 28)
• Not planning to quit tobacco use within next month
• Able to read and write in English

You may not qualify if…

• Major neurological conditions or brain trauma
• Current substance use impairing participation
• Unstable or significant medical conditions (e.g., COPD, coronary heart disease)
• Current use of smoking cessation medication (e.g., varenicline, patch)
• Uncontrolled serious mental illness, suicidality, or inpatient psychiatric hospitalization in the past 6 months
• Known allergic reaction to ENDS liquids ingredients propylene glycol or vegetable glycerin
• Unable to use study provided ENDS ad-libitum for at least 3 hours per day
• Pregnant or breastfeeding as indicated by self-report or urine pregnancy screen
• MRI-specific exclusion criteria:
• MRI safety contraindications (e.g., metal implants, claustrophobia)
• Major neurological conditions or brain trauma

Where it is running

• Penn State Health — Hershey, Pennsylvania, United States

Full record on ClinicalTrials.gov

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