# COVID EHR COHORT at the University of Wisconsin

> **NCT04506528** · — · COMPLETED · sponsor: **University of Wisconsin, Madison** · enrollment: 1634381 (actual)

## Conditions studied

- COVID-19
- Cancer
- Nicotine Dependence
- Pulmonary Disease
- Cardiovascular Diseases
- Immunosuppression Disorders

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04506528
- **Lead sponsor:** University of Wisconsin, Madison
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-11
- **Primary completion:** 2022-01-31
- **Final completion:** 2022-01-31
- **Target enrollment:** 1634381 (ACTUAL)
- **Last updated:** 2022-08-31

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04506528

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04506528, "COVID EHR COHORT at the University of Wisconsin". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04506528. Licensed CC0.

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