Simultaneous mRNA COVID-19 and IIV Vaccination in Pregnancy Study
Public ClinicalTrials.gov record NCT06503900. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Safety of Simultaneous Versus Sequential Administration of mRNA COVID-19 Vaccine and Inactivated Influenza Vaccine (IIV) in Pregnant Women
Study identification
- NCT ID
- NCT06503900
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Duke University
- Other
- Enrollment
- 98 participants
Conditions and interventions
Interventions
- IIV4 (quadrivalent inactivated influenza vaccine) Biological
- mRNA COVID-19 vaccine Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 11, 2024
- Primary completion
- Aug 19, 2025
- Completion
- Nov 18, 2025
- Last update posted
- Jan 14, 2026
2024 – 2025
United States locations
- U.S. sites
- 6
- U.S. states
- 4
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Emory University | Atlanta | Georgia | 30322 | — |
| Centers for Disease Control and Prevention | Atlanta | Georgia | 30341 | — |
| Boston Medical Center | Boston | Massachusetts | 02118 | — |
| Duke University | Durham | North Carolina | 27710 | — |
| Wake Forest University | Winston-Salem | North Carolina | 27101 | — |
| Elizabeth Schlaudecker | Cincinnati | Ohio | 45229 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06503900, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 14, 2026 · Synced May 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06503900 live on ClinicalTrials.gov.