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Cooling agents in vapes: do they make them more addictive?

NCT ID NCT06208202

Knowledge-focused Sponsor: Ohio State University Comprehensive Cancer Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how synthetic cooling additives (like WS-3 and WS-23) in e-cigarettes change how young adults perceive and use them. About 158 current e-cigarette users aged 21-29 will try different flavored e-liquids and report their satisfaction, sensory experiences, and puffing behavior. Researchers will also measure toxicant levels in the vapor. The goal is to understand if these additives make vaping more appealing or risky.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
flavored e-cigarettes with synthetic cooling agents (WS-3, WS-23)
What this could lead to
If successful, this could help regulators understand how cooling additives make e-cigarettes more appealing or harmful, informing future policies.
What could go wrong
This is an observational behavioral study with only 158 participants, so results may not apply to all users. It measures perceptions and exposure, not health outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

158 people

The number who actually took part.

Started

May 2024

Expected to finish

Jun 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 29 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Aged 21-29 years * Current e-cigarette (EC) user (defined as ≥ weekly use over the past 3 months) * Willing to provide informed consent and abstain from using their EC at least 12 hours prior to the four lab sessions * Read and speak English Exclusion Criteria: * Recently COVID-19+ (defined as positive test in the past 30 days) or a recent COVID-19 hospitalization (defined as a hospitalization within the past 6 months) * Unstable or significant psychiatric conditions (past and stable conditions will be allowed) * History of cardiac event or distress within the past 3 months * Are currently pregnant, planning to become pregnant, or breastfeeding (will be verified with urine pregnancy test) * Have suffered from any serious lung disease or infection (e.g. , tuberculosis, cystic fibrosis, or lung cancer) in the past 30 days * Have hemophilia or another type of bleeding disorder * Are blind, severely visually impaired, deaf, hard of hearing, or have a severe motor disability

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Conditions

The condition(s) this trial relates to.

nicotine dependence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Abuse tobacco Exposure

Contacts and locations

Locations

  • Ohio State University Comprehensive Cancer Center

    Columbus, Ohio, 43210, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.