# Concurrent Versus Sequential Administration of Tdap and RSV Vaccines in Pregnancy

> **NCT07097012** · PHASE4 · RECRUITING · sponsor: **Canadian Immunization Research Network** · enrollment: 60 (estimated)

## Conditions studied

- RSV
- Tdap - Tetanus, Diphtheria and Acellular Pertussis Vaccination
- Pregnancy
- Healthy

## Interventions

- **BIOLOGICAL:** Tdap Vaccine Administration
- **BIOLOGICAL:** RSV Vaccine
- **OTHER:** Saline (as a placebo)

## Key facts

- **NCT ID:** NCT07097012
- **Lead sponsor:** Canadian Immunization Research Network
- **Sponsor class:** NETWORK
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-10-16
- **Primary completion:** 2026-05
- **Final completion:** 2027-10
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2026-03-12

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07097012

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07097012, "Concurrent Versus Sequential Administration of Tdap and RSV Vaccines in Pregnancy". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT07097012. Licensed CC0.

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