# A Study to Evaluate 20vPnC in Healthy Chinese Infants

> **NCT07754539** · PHASE3 · RECRUITING · sponsor: **Pfizer** · enrollment: 1250 (estimated)

## Conditions studied

- Pneumococcal Diseases

## Interventions

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

## Key facts

- **NCT ID:** NCT07754539
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-07-25
- **Primary completion:** 2028-11-30
- **Final completion:** 2031-05-31
- **Target enrollment:** 1250 (ESTIMATED)
- **Last updated:** 2026-08-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07754539

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07754539, "A Study to Evaluate 20vPnC in Healthy Chinese Infants". Retrieved via MORVS 2026-10-23 from https://api.morvs.ai/clinical/NCT07754539. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*