ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

A Study of Immune System Proteins in Participants With Mild to Moderate COVID-19 Illness

ClinicalTrials.gov ID: NCT04634409

Public ClinicalTrials.gov record NCT04634409. 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 20, 2026, 8:43 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 Randomized, Double-blind, Placebo-Controlled, Phase 2 Study to Evaluate the Efficacy and Safety of Mono and Combination Therapy With Monoclonal Antibodies in Participants With Mild to Moderate COVID-19 Illness (BLAZE-4)

Study identification

NCT ID
NCT04634409
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Eli Lilly and Company
Industry
Enrollment
1,755 participants

Conditions and interventions

Conditions

Interventions

  • Bamlanivimab Drug
  • Bebtelovimab Drug
  • Etesevimab Drug
  • Placebo Drug
  • VIR-7831 Drug

Drug

Eligibility (public fields only)

Age range
12 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
Oct 28, 2020
Primary completion
Jul 26, 2021
Completion
Oct 17, 2021
Last update posted
Jun 30, 2022

2020 – 2021

United States locations

U.S. sites
127
U.S. states
31
U.S. cities
106
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233
The Institute for Liver Health Mesa Arizona 85210
Perseverance Research Center Scottsdale Arizona 85254
CRI of Arizona, LLC Sun City West Arizona 85375
Fiel Family and Sports Medicine PC Tempe Arizona 85283
The Institute for Liver Health Tucson Arizona 85712
KLR Business Group, Inc. dba Arkansas Clinical Research Little Rock Arkansas 72205
Applied Rsch Ctr - Arkansas Inc. Little Rock Arkansas 72212
Smart Cures Clin Research Anaheim California 92806
Hope Clinical Research Canoga Park California 91303
VCT-Covina Covina California 91723
Neighborhood Healthcare Escondido California 92025
Chemidox Clinical Trials Lancaster California 93534
Ark Clinical Research Long Beach California 90806
Long Beach Clinical Trials LLC Long Beach California 90806
Cedars Sinai Medical Center Los Angeles California 90048-5615
Central Valley Research, LLC Modesto California 95350
Inland Empire Liver Foundation Rialto California 92377
Sutter Institute For Medical Research Sacramento California 95816
Wolverine Clinical Trials, LLC Santa Ana California 92705
St. Joe Heritage HC-Santa Rosa Santa Rosa California 95405
Stanford University Hospital Stanford California 94305
Mazur, Statner, Dutta, Nathan Thousand Oaks California 91360
South Bay Clinical Research Institute Torrance California 90503
Infect Disease Doctors Med Grp Walnut Creek California 94598
Allianz Research Institute Westminster California 92683
Future Innovative Treatments LLC Colorado Springs Colorado 80907
Georgetown Univ Sch of Med Washington D.C. District of Columbia 20007
Synergy Healthcare LLC Bradenton Florida 34208
Holy Cross Hospital Inc. Fort Lauderdale Florida 33308
I R & Health Center, Inc. Hialeah Florida 33012
Encore Medical Research Hollywood Florida 33021
Elixia CRC Hollywood Florida 33023
Lakeland Regional Medical Center Lakeland Florida 33804
Hope Clinical Trials, Inc. Miami Florida 33165
Miami Cancer Institute at Baptist Health, Inc. Miami Florida 33176
Bio-Medical Research, LLC Miami Florida 33184
Clinical Site Partners, LLC d/b/a CSP Miami Miami Florida 33186
Panax Clinical Research Miami Lakes Florida 33014
Testing Matters Lab Sunrise Florida 33325
Advent Health Tampa Tampa Florida 33613
Triple O Research Inst West Palm Beach Florida 33407
Encore Medical Research - Weston Weston Florida 33331
Clinical Site Partners, LLC DBA CSP Orlando Winter Park Florida 32789
Gwinnett Research Inst Buford Georgia 30519
Paramount Rch Sol - College Pk College Park Georgia 30349
IACT Health - VHC Columbus Georgia 31904
Central Georgia Infectious Disease Macon Georgia 31201
Rophe Adult and Pediatric Medicine Union City Georgia 30291
Rocky Mountain Clinical Research Idaho Falls Idaho 83404
Ann & Robert H Lurie Children's Hospital of Chicago Chicago Illinois 60611
Great Lakes Clinical Trials Chicago Illinois 60640
Franciscan Health Hammond Dyer Indiana 46311
Qualmedica Research Evansville Evansville Indiana 47715
Franciscan St. Francis Health Indianapolis Indiana 46237
St.Vincent - Indy Indianapolis Indiana 46260
Qualmedica Research, LLC Owensboro Kentucky 42301
Tandem Clinical Research,LLC Marrero Louisiana 70072
Imperial Health Urgent Care Center - Moss Bluff Moss Bluff Louisiana 70611
Nola Research Works, LLC New Orleans Louisiana 70125
University of Maryland Medical Center Baltimore Maryland 21201
Massachusetts General Hospital Boston Massachusetts 02114
U of MA Mem Med Ctr Worcester Massachusetts 01605
University of Michigan Ann Arbor Michigan 48109
Great Lakes Research Group, Inc. Bay City Michigan 48706
Revive Research Institute Farmington Hills Michigan 48334
Revival Research Institute Sterling Heights Michigan 48312
Sky Clinical Prime and Health Wellness Clinic Fayette Mississippi 39069
Olive Branch Family Medical Center Olive Branch Mississippi 38654
Sky Clin Resch - Quinn HC Ridgeland Mississippi 39157
Bio-Kinetic Clinical Applications, LLC Springfield Missouri 65802
Quality Clinical Research Omaha Nebraska 68114
Excel Clinical Research Las Vegas Nevada 89109
Las Vegas Medical Research Las Vegas Nevada 89113
SVG Clinical Las Vegas Nevada 89128
Holy Name Medical Center Teaneck New Jersey 07666
Prime Global Research, LLC The Bronx New York 10456
Onsite Clinical Solutions, LLC Charlotte North Carolina 28226
East Carolina University Greenville North Carolina 27834
Monroe Biomed Research Monroe North Carolina 28112
Carteret Medical Group Morehead City North Carolina 28557
PMG Research of Wilmington Wilmington North Carolina 28401
Valley Medical Primary Care Centerville Ohio 45459
Hometown UC and Rch- Cincy Cincinnati Ohio 45215
Aventiv Research Inc Columbus Ohio 43213
Urgent Care Specialists, LLC Columbus Ohio 43214
Remington-Davis, Inc Columbus Ohio 43215
Urgent Care Specialists, LLC Dayton Ohio 45424
META Medical Research Institute Dayton Ohio 45432
Ascension St. John Tulsa OK Tulsa Oklahoma 74104
Children's Hospital of Philadelphia Philadelphia Pennsylvania 18901
Jefferson Hosp for Neurosci Philadelphia Pennsylvania 19107
Temple University Hospital Philadelphia Pennsylvania 19140
VITALINK - Anderson Anderson South Carolina 29621
Carolina Medical Research - Clinton Clinton South Carolina 29325
VITALINK - Gaffney Gaffney South Carolina 29340
Carolina Medical Research - Greenville Greenville South Carolina 29607
VITALINK - Greenville Greenville South Carolina 29615
VITALINK - Spartanburg Spartanburg South Carolina 29303
VITALINK - Union Union South Carolina 29379
Univ Diab & Endo Consult Chattanooga Tennessee 37411
New Phase Research and Development Knoxville Tennessee 37909
Gadolin Research, LLC Beaumont Texas 77702
Conroe Willis Medical Research Conroe Texas 77304
Crossroads Clinical Research Corpus Christi Texas 78413
B S & W Med Center Dallas Texas 75246
Baylor - Fort Worth Fort Worth Texas 76104
North Texas Clinical Trials, LLC Fort Worth Texas 76104
Houston Methodist Research Ins Houston Texas 77030
Next Level Urgent Care Houston Texas 77057
Accurate Clinical Management, LLC. Houston Texas 77065
1960 Family Practice, PA Houston Texas 77090
B S & W Med Center Irving Texas 75061
Zion Urgent Care Clinic Katy Texas 77494
BioPharma Family Practice Center McAllen McAllen Texas 78501
BRCR Medical Center, Inc McAllen Texas 78501
North Hills Medical Research North Richland Hills Texas 76180
Bay Area Infectious Diseases Associates Pasadena Texas 77505
Epic Medical Research Red Oak Texas 75154
Baylor - Round Rock Round Rock Texas 78665
Sun Research Institute San Antonio Texas 78215
Consano Clinical Research, LLC Shavano Park Texas 78231
APD Clinical Research Splendora Texas 77372
Crossroads Clin Rch-Victoria Victoria Texas 77901
CLS Research Ctr, PLLC Webster Texas 77598
CARE ID Annandale Virginia 22003
Evergreen Health Research Kirkland Washington 98034

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 14 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04634409, 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 Jun 30, 2022 · Synced May 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04634409 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →