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Texts and calls could save lives: new study aims to boost baby vaccinations

NCT ID NCT07510971

Prevention Sponsor: Japan Institute for Health Secutiry Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether sending text messages or voice call reminders with helpful behavior change tips can improve how many babies get their full set of vaccines on time. About 7,800 caregivers of newborns in Bangladesh will be split into three groups: one gets no reminders, one gets voice calls, and one gets SMS texts. The goal is to see if these simple phone-based nudges can increase vaccination coverage and timeliness, potentially preventing thousands of preventable deaths.

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 7,800 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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

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: 1. You are the infant's caregiver (mother, father, or legal guardian). 2. The infant is less than 4 weeks (28 days) old at the time of enrollment. 3. You reside within the jurisdiction of the designated community health center and have no plans to move within the next 12 months. 4. Depending on your assigned group, you can do one of the following: * You can read Bengali SMS messages yourself. * You can receive support from a family member living with you who reads Bengali aloud. (Note: For the voice call group, literacy is not an issue.) 5. You understand the content of this study and have completed the required informed consent form. Exclusion Criteria: 1. Caregivers of children aged 4 weeks or older at the time of enrollment 2. Children who have received any vaccine other than BCG or polio at birth 3. The caregiver plans to move out of the study area within the next six months. 4. The caregiver does not want to receive the vaccination at the intervention health center. 5. The caregiver (father, mother, or other family member) does not have a phone.

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Conditions

The condition(s) this trial relates to.

Smith-Magenis syndrome

As listed by the trial registrant

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

Mhealth intervention SMS

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

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