Blocking the smell of smoke may curb the urge to light up

NCT ID NCT06191419

Completed Symptom relief Sponsor: Tim McClintock Source: ClinicalTrials.gov ↗

First seen Jul 08, 2026 · Last updated Jul 24, 2026 · Updated 3 times

Summary

This study tests whether blocking the smell of cigarette smoke can reduce a smoker's desire to smoke. Participants wear a mask that delivers odor samples and rate how pleasant the smell is and how much they want to smoke. The goal is to see if odor blockers could become a new aid for smoking cessation.

What this could mean

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

Active substance: odor blockers
What this could lead to: If successful, odor blockers could become a new tool to help smokers quit by reducing the urge triggered by cigarette smell.
What could go wrong: This is a small, early-stage study with only 27 participants. The odor blockers may not effectively reduce smoking urges or help with quitting.

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Conditions

The condition(s) this trial relates to.

nicotine dependence Smoking Tobacco Smoking

As listed by the trial registrant

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

SMOKING BEHAVIORS TOBACCO SMOKING

Contacts and locations

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Locations

University of Kentucky

Lexington, Kentucky, 40536, United States

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