# A Study to Understand the Safety of the 20vPnC Vaccine in Healthy Chinese Adults, Children, and Infant

> **NCT07023081** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **Pfizer** · enrollment: 200 (actual)

## Conditions studied

- Pneumococcal Disease

## Interventions

- **BIOLOGICAL:** 20vPnC
- **BIOLOGICAL:** 13vPnC

## Key facts

- **NCT ID:** NCT07023081
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2025-06-15
- **Primary completion:** 2027-05-14
- **Final completion:** 2027-05-14
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2026-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07023081

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07023081, "A Study to Understand the Safety of the 20vPnC Vaccine in Healthy Chinese Adults, Children, and Infant". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT07023081. Licensed CC0.

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