# Safety and Immunogenicity of Inactivated Heterologous Booster Vaccination

> **NCT05545683** · PHASE3 · WITHDRAWN · sponsor: **Centro de Estudios en Infectogía Pediatrica**

## Conditions studied

- COVID-19

## Interventions

- **BIOLOGICAL:** VLA 2001

## Key facts

- **NCT ID:** NCT05545683
- **Lead sponsor:** Centro de Estudios en Infectogía Pediatrica
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-12-01
- **Primary completion:** 2023-03-30
- **Final completion:** 2024-06-30
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** funding was suspended
- **Last updated:** 2023-02-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05545683

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05545683, "Safety and Immunogenicity of Inactivated Heterologous Booster Vaccination". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT05545683. Licensed CC0.

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