# A Research Platform to Screen Healthcare Workers- Coordinated Approach to Pandemic Trials of COVID-19

> **NCT04574765** · — · COMPLETED · sponsor: **University Health Network, Toronto** · enrollment: 7373 (actual)

## Conditions studied

- Healthcare Worker
- Covid19

## Interventions

- **DIAGNOSTIC_TEST:** Nasopharyngeal swab
- **OTHER:** Questionnaire collection (CITF)
- **OTHER:** Optional blood collection
- **OTHER:** Optional questionnaire completion (mental health)
- **DIAGNOSTIC_TEST:** Optional saliva sample (for validation)
- **DIAGNOSTIC_TEST:** Nasal Swab (rapid antigen test)

## Key facts

- **NCT ID:** NCT04574765
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-04-16
- **Primary completion:** 2021-02-03
- **Final completion:** 2021-02-03
- **Target enrollment:** 7373 (ACTUAL)
- **Last updated:** 2025-07-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04574765

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04574765, "A Research Platform to Screen Healthcare Workers- Coordinated Approach to Pandemic Trials of COVID-19". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04574765. Licensed CC0.

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