Completed PHASE2 INTERVENTIONAL 2-arm NCT02301702

Maternal Tdap Immunization in Guatemala

Evaluation of Tdap in Pregnancy to Prevent Infant Pertussis

Sponsor: Emory University

Interventions Td Tdap

Updated 10 times since 2017 Last updated: Oct 13, 2019 Started: Jul 31, 2016 Primary completion: Aug 13, 2019 Completion: Aug 13, 2019

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 Pertussis and Whooping Cough and is currently completed. Emory University leads this study, which shows 10 recorded versions since 2016 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE2
Sep 2024 — Sep 2025 [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE2
Nov 2019 — Jan 2021 [monthly]

Completed PHASE2

Status: Active Not Recruiting → Completed

▶ Show 5 earlier versions

Aug 2019 — Nov 2019 [monthly]

Active Not Recruiting PHASE2
Dec 2018 — Aug 2019 [monthly]

Active Not Recruiting PHASE2

Status: Recruiting → Active Not Recruiting
Jun 2018 — Dec 2018 [monthly]

Recruiting PHASE2
Feb 2017 — Jun 2018 [monthly]

Recruiting PHASE2
Jan 2017 — Feb 2017 [monthly]

Recruiting PHASE2

First recorded

Jul 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Emory University
Universidad del Valle, Guatemala

Data source: Emory University

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

Study Locations

• Guatemala City, Guatemala