Targeted water, sanitation, and hygiene intervention for cholera prevention

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

Not applicable Interventional Johns Hopkins Bloomberg School of Public Health · NCT06003816

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

PhaseNot applicable
Study typeInterventional
Enrollment3140 (estimated)
SexAll
SponsorJohns Hopkins Bloomberg School of Public Health Academic / other
Locations2 sites (Dhaka and 1 other locations)
Trial IDNCT06003816 on ClinicalTrials.gov

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.

Who should consider this trial

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

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

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

Eligibility criteria

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 this trial is running

Dhaka and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions CholeraDiarrhearandomized controlled trialwatersanitationhygienecase area targeted interventionBangladesh
Last reviewed 2026-06-13 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.