Completed PHASE2 INTERVENTIONAL 2-arm NCT00419133

Immunogenicity of One Versus Two Doses of Killed Oral Cholera Vaccine

Immune Responses Following One Versus Two Doses of Killed Oral Cholera Vaccine in Eastern Kolkata, West Bengal, India

Sponsor: International Vaccine Institute

Conditions Cholera Diarrhea Vibrio Infections

Interventions Heat Killed E. coli Placebo Killed bivalent whole cell oral cholera vaccine

Updated 5 times since 2017 Last updated: Dec 4, 2009 Started: Jun 30, 2007 Primary completion: Aug 31, 2007 Completion: Aug 31, 2007

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

This PHASE2 trial investigates Cholera and Diarrhea and is currently completed. International Vaccine Institute leads this study, which shows 5 recorded versions since 2007 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE2
Jun 2018 — Jan 2021 [monthly]

Completed PHASE2
Jan 2017 — Jun 2018 [monthly]

Completed PHASE2

First recorded

Jun 2007

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

International Vaccine Institute
National Institute of Cholera and Enteric Diseases, India
Shantha Biotechnics Limited

Data source: International Vaccine Institute

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

Study Locations

• Kolkata, India