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Concrete floors could slash child infections in bangladesh

NCT ID NCT05372068

Prevention Sponsor: Stanford University 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
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 Results may not be published yet.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
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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This status has not been confirmed recently, so it may be out of date.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 replacing dirt floors with concrete in rural Bangladeshi homes can reduce infections in children. About 800 pregnant women and their future babies will take part, with children checked for parasites and diarrhea up to age 2. If concrete floors lower infection rates, this simple change could improve health for many families.

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 800 people

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

Started

Sep 2023

Expected to finish

May 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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Residence in Chauhali upazila or adjacent upazilas in Sirajganj or Tangail districts in Bangladesh * No plan to relocate in the next 2-3 years * Reside in home with floors made entirely of soil * Pregnant woman 13-30 weeks gestation resides in the home at the time of enrollment Exclusion Criteria: * Home is not strictly residential (e.g., includes a business) * Household with walls made of mud/soil * Household floor size \> 500 square feet

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Conditions

The condition(s) this trial relates to.

ascariasis diarrheal disease necatoriasis trichuriasis

As listed by the trial registrant

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

Ascaris lumbricoides infection Diarrhea Necator americanus infection Trichuris trichiura; infection

Contacts and locations

Locations

  • International Centre for Diarrhoeal Disease Research, Bangladesh

    Dhaka, Bangladesh

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