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Can village volunteers and a phone app help smokers quit?

NCT ID NCT07432152

Disease control Sponsor: Mahidol 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jul 08, 2026 · Updated 3 times

Summary

This study tests a new way to help informal workers (like street vendors and farmers) in Thailand quit smoking. Trained village health volunteers provide advice and support, while participants also get messages and counseling through the Line app and a telephone Quitline. The program is compared to standard care at local health centers. The study involves 80 people and lasts about 3 months.

What this could mean

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

Active substance
community-based smoking cessation program with digital tools (Line app, Quitline)
What this could lead to
If successful, this could provide an effective, low-cost way to help informal workers quit smoking using community volunteers and smartphone apps.
What could go wrong
This is a small, early-stage study with only 80 participants over 3 months. Results may not apply to other populations or settings, and quitting success may be modest.

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

80 people

The number who actually took part.

Started

Feb 2026

Finished

May 2026

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 60 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: * Informal worker, defined as an individual engaged in an occupation outside the formal employment system, typically lacking social security benefits or formal employment contracts (e.g., street vendors, agricultural laborers, motorcycle taxi drivers, freelancers). * Current smoker, defined as an individual who has smoked at least one cigarette daily or non-daily within the past 30 days. * Residing in the study area (Mueang Saraburi District) for at least 3 months prior to enrollment. * Owns a smartphone with reliable internet access and is proficient in using mobile applications (specifically the Line Application). * Able to speak, read, and communicate clearly in Thai. * Willing and able to provide written informed consent to participate in the full duration of the 6-month study. Exclusion Criteria: * Individuals currently participating in other smoking cessation programs or concurrent clinical research studies. * Individuals with physical or mental health conditions that may impair their ability to provide accurate information or consistently participate in digital follow-up (e.g., severe cognitive impairment, advanced terminal illness). * Planning to relocate outside the designated study area within the next 6 months.

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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.

Smoking cessation

Contacts and locations

Locations

  • Ban Nong Chan Sub-district

    Chaloem Phra Kiat, Saraburi, 18240, Thailand

  • Than Kasem Sub-district

    Phra Phutthabat, Saraburi, 18120, Thailand

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