# COVID-19 Registry to Assess Frequency, Risk Factors, Management, and Outcomes of Arterial and Venous Thromboembolic Complications

> **NCT04535128** · — · COMPLETED · sponsor: **Brigham and Women's Hospital** · enrollment: 11000 (actual)

## Conditions studied

- Covid19
- Thrombosis Embolism
- DVT
- Pulmonary Embolism
- Myocardial Infarction
- Stroke

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT04535128
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-24
- **Primary completion:** 2023-12-30
- **Final completion:** 2025-08-31
- **Target enrollment:** 11000 (ACTUAL)
- **Last updated:** 2025-09-16

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04535128

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04535128, "COVID-19 Registry to Assess Frequency, Risk Factors, Management, and Outcomes of Arterial and Venous Thromboembolic Complications". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04535128. Licensed CC0.

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