# Prevalence and Risk Factors of SARS-CoV-2 Antibody Responses (COVID-19)

> **NCT04425759** · — · UNKNOWN · sponsor: **Hospital de Mataró** · enrollment: 2400 (estimated)

## Conditions studied

- Covid19
- Corona Virus Infection
- SARS-CoV 2
- COVID

## Interventions

- **DIAGNOSTIC_TEST:** Blood sample

## Key facts

- **NCT ID:** NCT04425759
- **Lead sponsor:** Hospital de Mataró
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-08
- **Primary completion:** 2021-06-30
- **Final completion:** 2021-06-30
- **Target enrollment:** 2400 (ESTIMATED)
- **Last updated:** 2020-06-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04425759

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04425759, "Prevalence and Risk Factors of SARS-CoV-2 Antibody Responses (COVID-19)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04425759. Licensed CC0.

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