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Can text messages fight anemia? new trial tests digital nutrition for teens

NCT ID NCT07493772

Disease control Sponsor: Harvard School of Public Health (HSPH) 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 18, 2026 · Updated 3 times

Summary

This study tests whether adding digital nutrition education—via SMS or group sessions—to daily micronutrient supplements can lower anemia rates in 1,200 adolescents aged 15-19 in Dar es Salaam, Tanzania. All participants get supplements and basic nutrition info; some also receive weekly texts or in-person digital group sessions. The goal is to see if these extra nudges improve supplement use and reduce anemia over 9 months.

What this could mean

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

Active substance
multiple micronutrient supplements (MMS) and digital nutrition education (SMS/WhatsApp messages and group sessions)
What this could lead to
If successful, this approach could offer a low-cost, scalable way to reduce anemia and improve nutrition among adolescents in low-resource settings.
What could go wrong
This is a behavioral intervention trial, not a drug test. Results may be limited by adherence to supplements or engagement with digital messages, and may not apply outside Tanzania.

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 1,200 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Sep 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

15 to 19 years

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: * Aged 15-19 years at enrollment. * Resident in the Dar es Salaam HDSS coverage area. * Has access to at least one phone (own or shared within the household; feature phone or smartphone). * Demonstrates basic literacy skills sufficient to understand simple written messages. * Has capacity to provide informed consent (for those ≥18 years) or assent (for those \<18 years, with parental/guardian consent). Exclusion Criteria: * Currently pregnant. * Enrolled in the ARISE-NUTRINT trial. * Currently taking iron and folic acid or multiple micronutrient tablets for anemia outside this study. * Known to have HIV infection at the time of screening. * More than one eligible adolescent per household: if multiple adolescents meet criteria in a household, one will be randomly selected to participate.

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Conditions

The condition(s) this trial relates to.

anemia

As listed by the trial registrant

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

Anemia

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

  • Dar Health and Demographic Surveillance System Area

    Dar es Salaam, Tanzania

More trials for these conditions

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