# Observational National Vaccine Study

> **NCT05863429** · — · COMPLETED · sponsor: **Health Institutes of Turkey** · enrollment: 200 (actual)

## Conditions studied

- COVID-19 Infection

## Interventions

- **BIOLOGICAL:** Taking biological samples (blood) and keeping records with phone calls

## Key facts

- **NCT ID:** NCT05863429
- **Lead sponsor:** Health Institutes of Turkey
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-05-18
- **Primary completion:** 2023-11-01
- **Final completion:** 2024-04-01
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2024-05-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05863429

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05863429, "Observational National Vaccine Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05863429. Licensed CC0.

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