Completed PHASE4 INTERVENTIONAL 2-arm NCT03373669

Effect of Extended Dose Intervals on the Immune Response to Oral Cholera Vaccine

Sponsor: Johns Hopkins Bloomberg School of Public Health

Conditions Cholera Vibrio Cholerae Infection

Interventions Adjusted Dose Oral Cholera Vaccine Oral Cholera Vaccine

Updated 8 times since 2017 Last updated: Apr 1, 2021 Started: Nov 16, 2017 Primary completion: Oct 16, 2019 Completion: Dec 1, 2020

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Cholera and Vibrio Cholerae Infection, this trial is completed. The trial is conducted by Johns Hopkins Bloomberg School of Public Health and has accumulated 8 data snapshots since 2017. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

Change History

8 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
May 2021 — Jul 2024 [monthly]

Completed PHASE4

Status: Active Not Recruiting → Completed
Jan 2021 — May 2021 [monthly]

Active Not Recruiting PHASE4
Nov 2020 — Jan 2021 [monthly]

Active Not Recruiting PHASE4

Status: Unknown Status → Active Not Recruiting

▶ Show 3 earlier versions

Jan 2020 — Nov 2020 [monthly]

Unknown Status PHASE4

Status: Recruiting → Unknown Status
Jun 2018 — Jan 2020 [monthly]

Recruiting PHASE4
Dec 2017 — Jun 2018 [monthly]

Recruiting PHASE4

First recorded

Nov 2017

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Johns Hopkins Bloomberg School of Public Health

Data source: Johns Hopkins Bloomberg School of Public Health

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Lusaka, Zambia