# Immunological Memory Against Pneumococcus Induced by 3 Infant PCV 13 Vaccination Schedules

> **NCT03405805** · — · UNKNOWN · sponsor: **Aghia Sophia Children's Hospital of Athens** · enrollment: 60 (estimated)

## Conditions studied

- Immunogenicity, Vaccine
- Immunologic Memory

## Interventions

- **BIOLOGICAL:** 13-valent pneumococcal conjugate vaccine (PCV13)

## Key facts

- **NCT ID:** NCT03405805
- **Lead sponsor:** Aghia Sophia Children's Hospital of Athens
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2016-12-12
- **Primary completion:** 2018-12
- **Final completion:** 2019-12
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2018-01-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03405805

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03405805, "Immunological Memory Against Pneumococcus Induced by 3 Infant PCV 13 Vaccination Schedules". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT03405805. Licensed CC0.

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