Clinical trial Recruiting at 2 sites Interventional

Targeted water, sanitation, and hygiene intervention for cholera prevention

Official title: Cholera-Hospital-Based-Intervention-for-7-Days (CHoBI7) Water, Sanitation, and Hygiene (WASH) Case Area Targeted Intervention (CATI)

Run by Johns Hopkins Bloomberg School of Public Health · NCT06003816 · Data updated 2026-11-12

This study is testing a new water, sanitation, and hygiene program to see if it can help people living near cholera patients stay healthy and reduce infections.

Quick facts

Study typeInterventional
SexAll
Enrollment3140 (estimated)
SponsorJohns Hopkins Bloomberg School of Public Health
Academic / other
Locations2 sites (Dhaka and 1 other locations)
StatusRecruiting
StartedOctober 18, 2023
Main results expectedNovember 30, 2027
Study endsNovember 30, 2027
Registry record updatedNovember 9, 2026
Trial IDNCT06003816 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals living within close proximity to cholera patients who lack running water in their homes.

Probably not a fit

Patients who have access to running water or do not live near cholera cases may not benefit from this intervention.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to evaluate the effectiveness of a targeted water, sanitation, and hygiene (WASH) intervention designed for individuals living near cholera patients. The intervention, known as CHoBI7, will be implemented in cholera transmission hotspots to reduce infections and promote sustained WASH behaviors. The study will involve randomized controlled trials to assess the impact of the intervention on cholera infection rates and hygiene practices among participants. The research builds on previous findings that highlighted the increased risk of cholera for those living close to infected individuals.

Why it matters

Potential benefit: If successful, this intervention could significantly reduce cholera infections and improve hygiene practices in vulnerable populations.

How similar studies have gone: Previous studies have shown success with similar WASH interventions, particularly the CHoBI7 intervention, which effectively reduced cholera rates in patient households.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Index cholera patient have no running water inside of their home

Exclusion Criteria:

* No one will be excluded because of age, sex, religion, or sexual preference

Where it's running

  • International Centre for Diarrhoeal Disease Research, Bangladesh
    Dhaka, Bangladesh
    Recruiting
  • Research Training and Management International
    Dhaka, Bangladesh
    Recruiting

Study contacts

  • Principal investigator: Christine Marie George, PhD — Johns Hopkins Bloomberg School of Public Health
  • Study coordinator: Christine Marie George, PhD
  • Email: cmgeorge@jhu.edu
  • Phone: (202) 657-5798

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.