Preventing cholera in children with a single dose of azithromycin

Azithromycin Prophylaxis in Child Contacts of Cholera Patients: A Randomized Controlled Trial

Phase 2 Interventional Massachusetts General Hospital · NCT04326478

This study tests if giving a single dose of azithromycin can help prevent cholera in children who are at high risk of getting the disease.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment920 (estimated)
Ages1 Year to 15 Years
SexAll
SponsorMassachusetts General Hospital Academic / other
Locations1 site (Dhaka)
Trial IDNCT04326478 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of a single dose of azithromycin in preventing cholera among children at high risk of infection. It aims to assess not only the prevention of cholera but also the impact of this antibiotic on the development of antibiotic-resistant bacteria. The study is particularly relevant in the context of ongoing cholera epidemics, such as the one in Yemen, where children are disproportionately affected. By evaluating the outcomes, the research seeks to inform future strategies for cholera prevention and antibiotic use in vulnerable populations.

Who should consider this trial

Good fit: Ideal candidates for this study are children aged 1 to 15 years who have shared cooking facilities with a household member confirmed to have cholera.

Not a fit: Patients who are currently participating in other drug trials or have known allergies to azithromycin will not benefit from this study.

Why it matters

Potential benefit: If successful, this intervention could significantly reduce the incidence of cholera in children, potentially saving lives and improving child health outcomes.

How similar studies have performed: Other studies have indicated the potential effectiveness of antibiotic prophylaxis in cholera prevention, but this specific approach with azithromycin is novel and requires further investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion criteria:

* Shared cooking facilities for the prior three days with a household member who tested positive for cholera
* Age 1 to 15 years
* A parent or guardian available to provide informed consent
* Intention to remain enrolled in the study for 6 months

Exclusion criteria:

* Participation in any other drug, device, or vaccine trial at present or within the past 30 days
* Known or suspected hypersensitivity to azithromycin or other macrolide antibiotics

Where this trial is running

Dhaka

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 CholeraChild Health
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.