# A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia

> **NCT07251465** · — · ACTIVE_NOT_RECRUITING · sponsor: **Pfizer** · enrollment: 846279 (actual)

## Conditions studied

- Pneumonia

## Interventions

- **BIOLOGICAL:** Receipt of PCV20

## Key facts

- **NCT ID:** NCT07251465
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2026-01-21
- **Primary completion:** 2026-05-31
- **Final completion:** 2026-05-31
- **Target enrollment:** 846279 (ACTUAL)
- **Last updated:** 2026-03-27

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07251465

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07251465, "A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT07251465. Licensed CC0.

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