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Cash for quitting: new study tests financial rewards to stop smoking in pregnancy

NCT ID NCT07528664

Prevention Sponsor: University Hospital, Lille 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Updated 1 time

Summary

This study tests whether giving financial rewards to pregnant women who smoke—and to their smoking partners—helps them quit. About 180 pregnant women and their partners will be split into three groups: one where only the woman gets money for quitting, one where both get money, and a control group with no financial incentive. The goal is to see if rewarding both partners leads to more smoke-free months during pregnancy, reducing health risks for the baby.

What this could mean

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

Active substance
Financial incentive
What this could lead to
If it works, this could offer a simple, effective way to help pregnant women and their partners quit smoking, improving health for both mother and child.
What could go wrong
This is a small, early-stage study (180 participants) and hasn't started yet. Financial incentives may not work for everyone, and long-term quitting success is uncertain.

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 180 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Dec 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

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Female participants only

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: * Consent to participate in the study * Agree to monthly prenatal follow-up at the maternity unit * Understand French * Are enrolled in health insurance or benefit from AME (Aide Médicale d'État) * 18 years of age or older Exclusion Criteria: * Who do not wish to quit smoking * Whose partner does not wish to quit smoking * Who use electronic cigarettes in a complementary or exclusive manner (not applied to the partner) at inclusion * Who will separate from the father of the unborn child and/or no longer cohabit with him * Who will not be able to participate in the entirety of the study (e.g., planning to move after the birth of the child) * Who do not wish to give birth in one of the study maternities.

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Conditions

The condition(s) this trial relates to.

Behavior, Addictive nicotine dependence

As listed by the trial registrant

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

Pregnant woman who uses tobacco

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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Centre Hospitalier Universitaire de Lille

    Lille, Haut-de-France, 59000, France

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