# Immunogenicity and Safety of 23-Valent Pneumococcal Polysaccharide Vaccine in Healthy Volunteers Aged 2 Years and Above

> **NCT04278248** · PHASE3 · COMPLETED · sponsor: **Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd** · enrollment: 1940 (actual)

## Conditions studied

- Pneumonia, Pneumococcal

## Interventions

- **BIOLOGICAL:** 23-Valent Pneumococcal Polysaccharide Vaccine

## Key facts

- **NCT ID:** NCT04278248
- **Lead sponsor:** Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-01-12
- **Primary completion:** 2018-06-07
- **Final completion:** 2018-06-07
- **Target enrollment:** 1940 (ACTUAL)
- **Last updated:** 2020-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04278248

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04278248, "Immunogenicity and Safety of 23-Valent Pneumococcal Polysaccharide Vaccine in Healthy Volunteers Aged 2 Years and Above". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT04278248. Licensed CC0.

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