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New app aims to shield pregnant women from secondhand smoke

NCT ID NCT07003282

Disease control Sponsor: Hebrew University of Jerusalem Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This pilot study tests a digital program called 'First Breath' designed to help pregnant women and their smoking partners reduce secondhand smoke exposure at home and in the car. The program includes an app, reminders, and feedback on smoke exposure levels. Researchers will enroll 160 participants to see if the program is feasible and acceptable.

What this could mean

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

Active substance
First Breath digital behavioral intervention (app, reminders, cotinine feedback)
What this could lead to
If successful, this could provide a practical, scalable way to protect pregnant women and their babies from secondhand smoke.
What could go wrong
This is a small pilot study focused on feasibility, not effectiveness. The results may not apply to broader populations or different settings.

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

About 160 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2025

Expected to finish

Dec 2025

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

18 years and older

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.

Pregnant women: Inclusion criteria: 1. ≤24 gestational weeks; 2. at least 18 years old; 3. living with a partner who smokes (at least one combustible cigarette a day); d) ability to understand Hebrew at a reasonable level; e) currently not smoking any tobacco or nicotine product (to clarify, women who smoked in the past are eligible). Exclusion criteria: 1. women with high-risk pregnancies, 2. no access to internet, 3. her partner is currently involved in a smoking cessation process. Expectant fathers who smoke: Inclusion criteria: 1. male, 2. at least 18 years old, 3. able to understand Hebrew at a reasonable level, 4. smoking at least one combustible cigarette per day, 5. currently living with a pregnant spouse who does not smoke any tobacco or nicotine product and 6. the spouse is ≤24 gestational weeks . Note: expectant father who are current users of other tobacco products (such as electronic cigarettes) are also eligible as long as they smoke at least one combustible cigarette a day. Exclusion criteria: 1. currently engaged in a smoking cessation program, 2. no access to the internet.

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As listed by the trial registrant

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

Secondhand smoke exposure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Braun School of Public Health and Community Medicine, Hebrew University of Jerusalem

    RECRUITING

    Jerusalem, Israel

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