ClinicalTrials.gov record
Completed Phase 2Phase 3 Interventional

Antithrombotic Therapy to Ameliorate Complications of COVID-19 (ATTACC)

ClinicalTrials.gov ID: NCT04372589

Public ClinicalTrials.gov record NCT04372589. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 16, 2026, 2:05 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Antithrombotic Therapy to Ameliorate Complications of COVID-19 (ATTACC), in Collaboration With Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV-4)

Study identification

NCT ID
NCT04372589
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
University of Manitoba
Other
Enrollment
1,200 participants

Conditions and interventions

Interventions

  • Heparin Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 19, 2020
Primary completion
May 16, 2021
Completion
May 16, 2021
Last update posted
Jul 26, 2021

2020 – 2021

United States locations

U.S. sites
13
U.S. states
10
U.S. cities
13
Facility City State ZIP Site status
Emory University Hospital Midtown Atlanta Georgia 30308
University of Chicago Chicago Illinois 60637
Ochsner Clinic Jefferson Louisiana 70121
Maine Medical Center Portland Maine 04102
Henry Ford University Dearborn Michigan 48128
Beaumont Hospital Royal Oak Michigan 48336
Mayo Clinic Rochester Minnesota 55905
Saint Louis University School of Medicine/Saint Louis Veterans Affairs Medical Center St Louis Missouri 63104
Cooper University Health Care Camden New Jersey 08103
Hackensack University Medical Center Hackensack New Jersey 07601
Saint Barnabas Medical Center Livingston New Jersey 07039
Montefiore-Einstein Center for Heart and Vascular Care New York New York 10467
Vanderbilt University Medical Center Nashville Tennessee 37232

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 47 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04372589, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 26, 2021 · Synced May 16, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04372589 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →