E-Cigarettes tested as a safer alternative for asthmatic smokers

NCT ID NCT05278065

Completed Knowledge-focused Sponsor: Brown University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study gave free e-cigarettes to 17 adult smokers with asthma for 8 weeks to see if they would smoke fewer regular cigarettes and have better lung function. Researchers measured changes in smoking habits, dependence, and asthma symptoms. The goal was to gather early information on whether e-cigarettes could reduce harm in this group.

What this could mean

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

Active substance: electronic cigarette with 5% nicotine e-liquid
What this could lead to: If it works, this could point toward a way to help smokers with asthma cut down on cigarettes and possibly improve their lung function.
What could go wrong: This was a very small study (17 people) with no control group, so results may not apply widely. The long-term safety of e-cigarettes is still unknown.

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

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Conditions

The condition(s) this trial relates to.

asthma Cigarette Smoking Harm Reduction Smoking Vaping

As listed by the trial registrant

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

ASTHMA CIGARETTE SMOKING ELECTRONIC CIGARETTE USE SMOKING

Contacts and locations

Locations

Center for Alcohol and Addiction Studies

Providence, Rhode Island, 02903, United States

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