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Can text messages help pregnant moms quit smoking? new study aims to find out

NCT ID NCT04985903

Disease control Sponsor: Duke University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 30, 2026 · Updated 2 times

Summary

This study tests whether combining text message support for pregnant women who smoke with special training for their doctors can help them quit. About 840 women at Duke and Pitt will receive smoking cessation texts throughout pregnancy. Some doctors will also get extra training on how to counsel patients. The goal is to see if this approach leads to more women quitting, confirmed by a urine test.

What this could mean

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

Active substance
SMS text messages and clinician communication training
What this could lead to
If successful, this could provide an effective, low-cost way to help pregnant women quit smoking, improving health for both mother and baby.
What could go wrong
This is a behavioral intervention study, not a drug trial. Results depend on participant engagement and may not generalize to all populations.

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 840 people

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

Started

Mar 2022

Expected to finish

Jul 2026

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

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: * ≥18 years old * Receiving prenatal care from an enrolled OB clinician * Self-report smoking tobacco at their first OB visit * Access to a cell phone with texting capabilities Exclusion Criteria: * Unable to speak and read English

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Conditions

The condition(s) this trial relates to.

Smoking Cessation

As listed by the trial registrant

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

Communication research Pregnancy Smoking cessation

Contacts and locations

Locations

  • Durham OB

    Durham, North Carolina, 27704, United States

More trials for these conditions

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