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Simple handwashing program could curb cholera outbreaks

NCT ID NCT06498817

Prevention Sponsor: Johns Hopkins Bloomberg School of Public Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a program called CHoBI7, which teaches handwashing, water treatment, and safe water storage to diarrhea patients and their families in Bangladesh hospitals. Researchers want to see if this program reduces diarrhea and improves hygiene behaviors compared to standard advice. The trial involves 1,600 participants and focuses on households with young children and no running water.

What this could mean

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

Active substance
behavioral intervention (handwashing with soap, water treatment, safe water storage)
What this could lead to
If successful, this program could become a scalable way to prevent cholera and other diarrheal diseases in high-risk communities.
What could go wrong
This is a behavioral study, not a drug trial. Results depend on people following the program long-term, and effectiveness may vary in different settings.

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 1,600 people

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

Started

Aug 2024

Expected to finish

Dec 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

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: * Diarrhea patients presenting with three or more loose stools over a 24h period * Having no running water inside of the patient's home * Plan to reside in current residence for the next 3 months * Have a child \<5 years in the patient's household * Have a working mobile phone in the household Exclusion Criteria: * No one will be excluded because of age, sex, religion, or sexual preference

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Conditions

The condition(s) this trial relates to.

cholera diarrheal disease dysentery

As listed by the trial registrant

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

Cholera Diarrhea infectious

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

  • Manikganjg Sadar (District) Hospital

    RECRUITING

    Mānikganj, 1800, Bangladesh

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