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Kicking the habit in pregnancy may curb baby weight gain

NCT ID NCT03514602

Prevention Sponsor: State University of New York at Buffalo 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time

Summary

This pilot study tests whether helping pregnant women quit smoking—through counseling, financial incentives, and support—can prevent rapid weight gain in their infants. About 48 smoking pregnant women will be randomly assigned to receive either the full program or education alone. The study follows mothers and babies for six months after birth to see if quitting smoking during pregnancy or breastfeeding reduces infant weight gain.

What this could mean

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

Active substance
multicomponent behavioral intervention including education, feedback, financial incentives, and peer support
What this could lead to
If successful, this approach could point toward a way to reduce childhood obesity risk by helping pregnant women quit smoking.
What could go wrong
This is a small pilot study, so results may not apply broadly. Quitting smoking is difficult, and the intervention may not work for everyone.

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 48 people

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

Started

Jul 2015

Expected to finish

Dec 2027

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 to 39 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Able to read, understand, and speak English. 2. Are 18-39 years old 3. Are less than 20 weeks of gestation 4. Have a singleton pregnancy 5. Currently smoking one or more cigarettes per day, based on self-report. 6. Currently smoking biochemically verified by a level of 1 or higher in urine cotinine test (i.e., \>100ng/mL cotinine concentration). 7. Willing to try to quit or reduce smoking by behavioral intervention 8. Willing to monitor smoking status by breath carbon monoxide and saliva cotinine. 9. Willing to provide breath, saliva, and urine samples to test smoking status 10. With low household income (meeting federal income eligibility guidelines for the Special Supplemental Nutrition Program for Women, Infants, and Children) and/or low education level (≤12 years). These disadvantaged pregnant women are very likely not to quit spontaneously, and thus need extra intervention most. 11. Currently living in Erie County or Niagara County; don't plan to move out of these two counties during the current pregnancy. Exclusion Criteria: 1. Previous history of major chronic disease or blood clotting disorders such as cancer, thyroid disorders, heart disease, kidney disease 2. Depression or have been diagnosed with depression or post-partum depression at any time 3. In treatment for Axis 1 disorders that prevent them following smoking cessation interventions

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Conditions

The condition(s) this trial relates to.

Cigarette Smoking Pediatric Obesity obesity disorder prevention target

As listed by the trial registrant

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

Childhood obesity Pregnancy Smoking, cigarette

How to take part

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  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

  • Division of Behavioral Medicine Department of Pediatrics Jacobs School of Medicine and Biomedical Sciences State University of New York at Buffalo

    RECRUITING

    Buffalo, New York, 14214, United States

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