# Post-marketing Safety Evaluation of Pneumococcal Vaccines Among Children and Elderly Adults.

> **NCT04551248** · — · UNKNOWN · sponsor: **Sungkyunkwan University** · enrollment: 1000000 (estimated)

## Conditions studied

- Pneumococcal Vaccine Adverse Reaction

## Interventions

- **BIOLOGICAL:** 10 or 13-valent pneumococcal conjugate vaccine
- **BIOLOGICAL:** 23-valent pneumococcal polysaccharide vaccine
- **BIOLOGICAL:** Influenza vaccine

## Key facts

- **NCT ID:** NCT04551248
- **Lead sponsor:** Sungkyunkwan University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-08-01
- **Primary completion:** 2022-03-31
- **Final completion:** 2022-03-31
- **Target enrollment:** 1000000 (ESTIMATED)
- **Last updated:** 2020-09-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04551248

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04551248, "Post-marketing Safety Evaluation of Pneumococcal Vaccines Among Children and Elderly Adults.". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04551248. Licensed CC0.

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