# Safety and Immunogenicity of Simultaneous Tdap and IIV in Pregnant Women

> **NCT02783170** · PHASE4 · COMPLETED · sponsor: **Duke University** · enrollment: 81 (actual)

## Conditions studied

- Pregnancy

## Interventions

- **BIOLOGICAL:** Tetanus, Diphtheria, and Pertussis Vaccine
- **BIOLOGICAL:** 2016-2017 Quadrivalent Inactivated Influenza Vaccine
- **BIOLOGICAL:** 2017-2018 Quadrivalent Inactivated Influenza Vaccine

## Key facts

- **NCT ID:** NCT02783170
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-09
- **Primary completion:** 2018-04-03
- **Final completion:** 2018-05-10
- **Target enrollment:** 81 (ACTUAL)
- **Last updated:** 2025-07-28

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02783170

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02783170, "Safety and Immunogenicity of Simultaneous Tdap and IIV in Pregnant Women". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT02783170. Licensed CC0.

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