Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

E-Cigarettes tested as a safer alternative for asthmatic smokers

NCT ID NCT05278065

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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 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.

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

17 people

The number who actually took part.

Started

May 2022

Finished

Sep 2024

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 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Male or female (50%), 21 to 65 (inclusive) years of age; * Persistent asthma symptoms (i.e., episodic symptoms of airflow obstruction / airway hyperresponsiveness (AHR) as documented in review of medical history); * Currently prescribed SABA medication; * Past-year smoking of ≥5 cigarettes/day; * Exhaled CO ≥ 6 ppm at baseline; * Zero breath alcohol during informed consent for participation; * English-speaking at an 8th grade level. Exclusion Criteria: * Intention to quit smoking during the next 30 days; * Current engagement in any smoking cessation treatment; * Current self-identification as regular ENDS user or using ENDS \> 2 days / week; * Medical contraindication to nicotine; * Pregnancy (due to toxicity of nicotine and tobacco products); * Current alcohol dependence (AUDIT \> 15) * Urine-screened or past-month self-reported use of illicit substances (amphetamine, cocaine, methamphetamine, opioids, benzodiazepines); * Current psychosis, mania, or suicidal ideation;

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Asthma are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

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.

Contacts and locations

Locations

  • Center for Alcohol and Addiction Studies

    Providence, Rhode Island, 02903, United States

More trials for these conditions

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