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Completed Phase 3 Interventional Results available

Adaptive COVID-19 Treatment Trial 3 (ACTT-3)

ClinicalTrials.gov ID: NCT04492475

Public ClinicalTrials.gov record NCT04492475. 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 Jul 23, 2026, 7:40 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

A Multicenter, Adaptive, Randomized Blinded Controlled Trial of the Safety and Efficacy of Investigational Therapeutics for the Treatment of COVID-19 in Hospitalized Adults (ACTT-3)

Study identification

NCT ID
NCT04492475
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Enrollment
969 participants

Conditions and interventions

Conditions

Interventions

  • Interferon beta-1a Drug
  • Placebo Other
  • Remdesivir Drug

Drug · Other

Eligibility (public fields only)

Age range
18 Years to 99 Years
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
Aug 4, 2020
Primary completion
Dec 20, 2020
Completion
Dec 20, 2020
Last update posted
Mar 13, 2022

2020

United States locations

U.S. sites
55
U.S. states
23
U.S. cities
48
Facility City State ZIP Site status
University of Alabama at Birmingham School of Medicine - Infectious Disease Birmingham Alabama 35233
UCSF Fresno Center for Medical Education and Research - Clinical Research Center Fresno California 93701
University of California San Diego Health - Jacobs Medical Center La Jolla California 29037
University of California Los Angeles Medical Center - Westwood Clinic Los Angeles California 90095
University of California Irvine Medical Center - Infectious Disease Orange California 92868-3298
VA Palo Alto Health Care System - Infectious Diseases Palo Alto California 94304-1207
Stanford University - Stanford Hospital and Clinics - Pediatrics - Infectious Diseases Palo Alto California 94304-1503
University of California Davis Medical Center - Internal Medicine - Infectious Disease Sacramento California 95817-1460
Naval Medical Center San Diego - Infectious Disease Clinic San Diego California 92314
University of California San Francisco - Zuckerberg San Francisco General Hospital - Division of HIV, ID, and Global Medicine San Francisco California 94110-2859
Cedars Sinai Medical Center West Hollywood California 90048-1804
Eastern Colorado Health Care System Aurora Colorado 80045
Denver Health Division of Hospital Medicine - Main Campus Denver Colorado 80204
University of Florida Health - Shands Hospital - Division of Infectious Diseases and Global Medicine Gainesville Florida 32610
University of Florida Health - Jacksonville - Department of Emergency Medicine Jacksonville Florida 32209
University of Miami Miller School of Medicine - Infectious Diseases Miami Florida 33136
Emory Vaccine Center - The Hope Clinic Decatur Georgia 30030-1705
Atlanta VA Medical Center - Infectious Diseases Clinic Decatur Georgia 30033
Tripler Army Medical Center (TAMC) Honolulu Hawaii 96859
Northwestern Hospital - Infectious Disease Chicago Illinois 60611-2908
University of Illinois at Chicago Division of Infectious Diseases Chicago Illinois 60612
University of Iowa Hospitals & Clinics - Department of Internal Medicine Iowa City Iowa 52242
Ochsner Medical Center - Kenner - Department of Infectious Diseases Kenner Louisiana 70065
Southeast Louisiana Veterans Health Care System - Section of Infectious Diseases New Orleans Louisiana 70119
University of Maryland School of Medicine - Center for Vaccine Development - Baltimore Baltimore Maryland 21201
Johns Hopkins Hospital - Medicine - Infectious Diseases Baltimore Maryland 21287-0005
Walter Reed National Military Medical Center Bethesda Maryland 20889
National Institutes of Health - Clinical Center, National Institute of Allergy and Infectious Diseases Laboratory Of Immunoregulation, Clinical Research Section Bethesda Maryland 20892-1504
Massachusetts General Hospital - Infectious Diseases Boston Massachusetts 02114-2621
University of Massachusetts Medical School - Infectious Diseases and Immunology Worcester Massachusetts 01655-0002
University of Minnesota Medical Center, Fairview - Infectious Diseases and International Medicine Minneapolis Minnesota 55455-0356
Saint Louis University - Center for Vaccine Development St Louis Missouri 63104-1015
University of Nebraska Medical Center - Infectious Diseases Omaha Nebraska 68198-5400
University of New Mexico Clinical and Translational Science Center Albuquerque New Mexico 87106
New York University School of Medicine - Langone Medical Center - Microbiology - Parasitology New York New York 10016-6402
University of Rochester Medical Center - Vaccine Research Unit Rochester New York 14642-0001
Montefiore Medical Center - Infectious Diseases The Bronx New York 10467-2401
Duke Human Vaccine Institute - Duke Vaccine and Trials Unit Durham North Carolina 27704
Womack Army Medical Center - Pulmonary and Respiratory Services Fort Bragg North Carolina 28310
Kaiser Permanente Northwest - Center for Health Research Portland Oregon 97227
Penn State Health Milton S. Hershey Medical Center - Division of Infectious Diseases Hershey Pennsylvania 17033
Hospital of the University of Pennsylvania - Infectious Diseases Philadelphia Pennsylvania 19104-4238
Baylor Scott & White Health - Baylor University Medical Center - North Texas Infectious Disease Consultants Dallas Texas 75246
University of Texas Southwestern Medical Center - Internal Medicine - Infectious Diseases Dallas Texas 75390-8884
Brooke Army Medical Center Fort Sam Houston Texas 78234
University of Texas Medical Branch - Division of Infectious Disease Galveston Texas 77555
Baylor College of Medicine - Molecular Virology and Microbiology Houston Texas 77030-3411
Methodist Hospital - Houston Houston Texas 77030
University of Texas Health Science Center at San Antonio - Infectious Diseases San Antonio Texas 78229-3901
University of Utah - Infectious Diseases Salt Lake City Utah 84132
University of Virginia - Acute Care Surgery Charlottesville Virginia 22908-0816
Naval Medical Center Portsmouth - Infectious Disease Division Portsmouth Virginia 23708
EvergreenHealth Infectious Disease Service Kirkland Washington 98034
Providence Sacred Heart Medical Center Spokane Washington 99204
Madigan Army Medical Center - Infectious Disease Clinic Tacoma Washington 98431

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 9 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04492475, 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 Mar 13, 2022 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04492475 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →