# Immune Response to Third Dose of COVID-19 Vaccine in Solid Organ Transplant

> **NCT05124509** · — · COMPLETED · sponsor: **Pontificia Universidad Catolica de Chile** · enrollment: 147 (actual)

## Conditions studied

- COVID-19
- SARS-CoV-2 Infection
- Solid Organ Transplant
- Vaccine Response Impaired

## Interventions

- **BIOLOGICAL:** Three doses of SARS-CoV-2 BNT162b2 vaccine (observational)
- **BIOLOGICAL:** Two doses of CoronaVac and one dose of BNT162b2 SARS-CoV-2 vaccine (observational)

## Key facts

- **NCT ID:** NCT05124509
- **Lead sponsor:** Pontificia Universidad Catolica de Chile
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-10-06
- **Primary completion:** 2021-12-13
- **Final completion:** 2022-01-03
- **Target enrollment:** 147 (ACTUAL)
- **Last updated:** 2022-01-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05124509

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05124509, "Immune Response to Third Dose of COVID-19 Vaccine in Solid Organ Transplant". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05124509. Licensed CC0.

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