# COVID-19 Positive Outpatient Thrombosis Prevention in Adults Aged 40-80

> **NCT04498273** · PHASE3 · TERMINATED · sponsor: **Frank C Sciurba** · enrollment: 657 (actual)

## Conditions studied

- COVID-19

## Interventions

- **DRUG:** Apixaban 2.5 MG
- **DRUG:** Apixaban 5MG
- **DRUG:** Aspirin
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04498273
- **Lead sponsor:** Frank C Sciurba
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2020-09-07
- **Primary completion:** 2021-08-05
- **Final completion:** 2021-08-05
- **Target enrollment:** 657 (ACTUAL)
- **Why stopped:** an event rate lower than anticipated
- **Last updated:** 2022-02-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04498273

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04498273, "COVID-19 Positive Outpatient Thrombosis Prevention in Adults Aged 40-80". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04498273. Licensed CC0.

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