# BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies

> **NCT07160244** · PHASE3 · RECRUITING · sponsor: **Pfizer** · enrollment: 6000 (estimated)

## Conditions studied

- Healthy

## Interventions

- **BIOLOGICAL:** Multivalent Group B streptococcus vaccine
- **BIOLOGICAL:** Placebo
- **BIOLOGICAL:** Infanrix hexa
- **BIOLOGICAL:** Prevenar 20
- **BIOLOGICAL:** Pediarix
- **BIOLOGICAL:** Prevnar 20
- **BIOLOGICAL:** Infanrix

## Key facts

- **NCT ID:** NCT07160244
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2025-08-25
- **Primary completion:** 2028-11-06
- **Final completion:** 2029-03-02
- **Target enrollment:** 6000 (ESTIMATED)
- **Last updated:** 2026-05-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07160244

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07160244, "BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies". Retrieved via AI Analytics 2026-07-22 from https://api.ai-analytics.org/clinical/NCT07160244. Licensed CC0.

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