Completed PHASE3 INTERVENTIONAL 4-arm NCT01375647

Exploration of the Biologic Basis for Underperformance of Oral Polio and Rotavirus Vaccines in Bangladesh (PROVIDE)

Sponsor: Bill and Melinda Gates Foundation

Conditions Rotavirus Diarrhea Tropical Enteropathy Vaccine Virus Shedding

Interventions IPV (inactivated polio vaccine) Rotarix

Updated 6 times since 2017 Last updated: Apr 25, 2025 Started: May 31, 2011 Primary completion: Oct 31, 2014 Completion: Nov 30, 2014

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

This PHASE3 trial investigates Rotavirus Diarrhea and Tropical Enteropathy and is currently completed. Bill and Melinda Gates Foundation leads this study, which shows 6 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

May 2025 — Present [monthly]

Completed PHASE3
Sep 2024 — May 2025 [monthly]

Completed PHASE3
Jul 2024 — Sep 2024 [monthly]

Completed PHASE3
Jan 2021 — Jul 2024 [monthly]

Completed PHASE3
Jun 2018 — Jan 2021 [monthly]

Completed PHASE3

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed PHASE3

First recorded

May 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Bill and Melinda Gates Foundation
Centers for Disease Control and Prevention
International Centre for Diarrhoeal Disease Research, Bangladesh
Stanford University
University of Vermont
University of Virginia
Washington University School of Medicine

Data source: University of Vermont

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

Study Locations

• Dhaka, Bangladesh