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Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy, Immune Response, and Safety of a COVID-19 Vaccine in Adults ≥ 18 Years With a Pediatric Expansion in Adolescents (12 to<18 Years) at Risk for SARS-CoV-2

ClinicalTrials.gov ID: NCT04611802

Public ClinicalTrials.gov record NCT04611802. 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 Apr 23, 2026, 6:16 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 Phase 3, Randomized, Observer-Blinded, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Immunogenicity of a SARS-CoV-2 Recombinant Spike Protein Nanoparticle Vaccine (SARS-CoV-2 rS) With Matrix-M1™ Adjuvant in Adult Participants ≥ 18 Years With a Pediatric Expansion in Adolescents (12 to < 18 Years)

Study identification

NCT ID
NCT04611802
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Novavax
Industry
Enrollment
33,000 participants

Conditions and interventions

Interventions

  • Placebo (Crossover Vaccination period) Other
  • Placebo (Initial Vaccination Period) Other
  • SARS-CoV-2 rS/Matrix-M1 Adjuvant (Booster Vaccination) Biological
  • SARS-CoV-2 rS/Matrix-M1 Adjuvant (Crossover Vaccination period) Biological
  • SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period) Biological
  • SARS-CoV-2 rS/Matrix-M1 Adjuvant (Second Booster Vaccination) Biological

Other · Biological

Eligibility (public fields only)

Age range
12 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Dec 26, 2020
Primary completion
Apr 9, 2023
Completion
Dec 14, 2023
Last update posted
Dec 20, 2023

2020 – 2023

United States locations

U.S. sites
144
U.S. states
37
U.S. cities
113
Facility City State ZIP Site status
Alabama Clinical Therapeutics, Llc (Pediatric Site) Birmingham Alabama 35205
Accel Research Sites (Adult Site) Birmingham Alabama 35216
Central Research Associates, Inc (Pediatric Site) Birmingham Alabama 35242
The Pain Center of Arizona (Adult Site) Phoenix Arizona 85018
Foothills Research Center-CCT Research (Pediatric Site) Phoenix Arizona 85044
Alliance for Multispecialty Research, LLC (Adult Site) Tempe Arizona 85281
Lynn Institute of the Ozarks (Adult Site) Little Rock Arkansas 72204
Preferred Research Partners, Inc. (Adult Site) Little Rock Arkansas 72211
Anaheim Clinical Trials (Adult Site) Anaheim California 92801
Advanced Clinical Research - Rancho Paseo (Pediatric & Adult Site) Banning California 92220
Coast Clinical Research, LLC (Pediatric Site) Bellflower California 90706
Velocity Clinical Research (Pediatric & Adult Site) Chula Vista California 91911
Premier Health Research Center, Llc (Pediatric Site) Downey California 90240
eStudySite - Corporate Offices (Adult Site) La Mesa California 91942
Paradigm Clinical Research Centers, Inc (Pediatric Site) La Mesa California 92117
WR-PRI, LLC (Adult Site) Los Alamitos California 90720
National Research Institute (Pediatric & Adult Site) Los Angeles California 90057
Orange County Research Institute (Pediatric Site) Ontario California 91762
Empire Clinical Research (Pediatric & Adult Site) Pomona California 91767
University of California Davis Health (Pediatric & Adult Site) Sacramento California 95817
Benchmark Research (Pediatric & Adult Site) Sacramento California 95864
California Research Foundation (Pediatric & Adult Site) San Diego California 92123
Synexus Clinical Research US, Inc. (Adult Site) Vista California 92083
Dignity Health Medical Foundation - Woodland (Adult Site) Woodland California 95695
University of Colorado Clinical and Translational Research Centers (Pediatric & Adult Site) Aurora Colorado 80045
Lynn Institute of the Rockies (Adult Site) Colorado Springs Colorado 80918
Meridian Clinical Research (Pediatric Site) Washington D.C. District of Columbia 20016
Howard University Hospital Howard/ University College of Medicine (Adult Site) Washington D.C. District of Columbia 20060
University Clinical Research-Deland, LLC dba Accel Research Sites (Pediatric & Adult Site) DeLand Florida 32720
SIMED Health, LLC / SIMED Research (Adult Site) Gainesville Florida 32607
M D Clinical (Adult Site) Hallandale Florida 33009
Jacksonville Center for Clinical Research (Pediatric & Adult Site) Jacksonville Florida 32216
Meridien Research/Accel Research (Pediatric & Adult site) Lakeland Florida 33803
Miami Veterans Affairs Medical Center (Adult Site) Miami Florida 33125
Suncoast Research Associates, LLC (Adult Site) Miami Florida 33135
Acevedo Clinical Research Associates (Pediatric Site) Miami Florida 33142
Suncoast Research Associates, LLC (Adult Site) Miami Florida 33173
Clinical Neuroscience Solutions Inc (Pediatric & Adult Site) Orlando Florida 32806
Headlands Research Orlando (Adult Site) Orlando Florida 32819
Synexus Clinical Research US, Inc (Adult Site) Pinellas Park Florida 33781
Asclepes Research Centers (Adult & Pediatric Site) Spring Hill Florida 34609
Tampa Heart & Cardiovascular Center (Adult Site) Tampa Florida 33607
Office Of John S. Curran MD (Adult Site) Tampa Florida 33612
Synexus Clinical Research US, Inc. (Adult Site) The Villages Florida 32162
Comprehensive Clinical Trials, Llc (Pediatric & Adult site) West Palm Beach Florida 33409
Emory University Hospital (Adult Site) Atlanta Georgia 30303
Atlanta - Morehouse School of Medicine (Adult Site) Atlanta Georgia 30310-1495
Synexus Clinical Research US, Inc. (Adult Site) Atlanta Georgia 30328
Atlanta Center for Medical Research (Adult Site) Atlanta Georgia 30331
Tekton Research, Inc. (Pediatric Site) Chamblee Georgia 30341
Columbus Regional Research Institute (Adult Site) Columbus Georgia 31904
Clinical Research Atlanta (Adult Site) Stockbridge Georgia 30281
Advanced Clinical Research (Pediatric & Adult Site) Meridian Idaho 83642
Synexus Clinical Research US, Inc (Adult Site) Chicago Illinois 60602
Cedar Crosse Research Center (Adult Site) Chicago Illinois 60607
Providea Health Partners LLC (Adult Site) Evergreen Park Illinois 60805
Synexus USA (Adult Site) Evansville Indiana 47714
Buynak Clinical Research, P.C. (Pediatric & Adult Site) Valparaiso Indiana 46383
The University of Iowa Hospitals & Clinics (Adult Site) Iowa City Iowa 52242
Meridian Clinical Research (Adult Site) Sioux City Iowa 51106
Johnson County Clin-Trials, Inc. (Pediatric & Adult Site) Lenexa Kansas 66219
Alliance for Multispecialty Research (AMR) (Pediatric Site) Newton Kansas 67114
AMR Wichita East (Formerly Heartland Research Associates) (Pediatric SIte) Wichita Kansas 67207
Kentucky Pediatric/Adult Research (Pediatric Site) Bardstown Kentucky 40004
Brownsboro Park Pediatrics (Pediatric Site) Louisville Kentucky 40207
Meridian Clinical Research Baton Rouge (Pediatric Site) Baton Rouge Louisiana 70809
Meridian Clinical Research, LLC (Adult Site) Baton Rouge Louisiana 70809
Med Pharmics, LLC (Pediatric & Adult Site) Metairie Louisiana 70006
Willis-Knighton Physician Network (Adult Site) Shreveport Louisiana 71101
c/o The Pediatric Center of Frederick LLC (Adult & Pediatric Site) Baltimore Maryland 21201
Beth Israel Deaconess Medical Center (Adult Site) Boston Massachusetts 02215
VA Ann Arbor Healthcare System (Adult Site) Ann Arbor Michigan 48105
Wayne State University/ Children's Hospital of Michigan (Adult Site) Detroit Michigan 48201
University of Minnesota (Adult Site) Minneapolis Minnesota 55455
Synexus Clinical Research US, Inc. (Adult Site) Richfield Minnesota 55423
MedPharmics, LLC-Biloxi (Pediatric & Adult Site) Gulfport Mississippi 39503
The Curators of University of Missouri (Adult Site) Columbia Missouri 65212
Sundance Clinical Research, LLC (Pediatric & Adult Site) St Louis Missouri 63141
Meridian Clinical Research (Adult & Pediatric Site) Norfolk Nebraska 68701
Meridian Clinical Research Associates, LLC (Pediatric & Adult Site) Omaha Nebraska 68134
University Of Nebraska Medical Center (Pediatric & Adult Site) Omaha Nebraska 68198
Synexus Clinical Research US, Inc. (Adult Site) Henderson Nevada 89052
Clinical Research Center of Nevada (Pediatric Site) Las Vegas Nevada 89014
Clinical Research Consortium (Adult Site) Las Vegas Nevada 89119
Meridian Clinical Research (Pediatric Site) Binghamton New York 13901
Stony Brook Responder Vaccine Program (Adult Site) Commack New York 11725
Weill Cornell Chelsea CRS (Adult Site) New York New York 10010
Rochester Clinical Research (Pediatric & Adult Site) Rochester New York 14609
NC TraCS Institute - CTRC; University of North Carolina at Chapel Hill (Pediatric & Adult Site) Chapel Hill North Carolina 27514-7064
The Charlotte-Mecklenburg Hospital Authority d/b/a Atrium Health (Pediatric & Adult Site) Charlotte North Carolina 28207
M3-Emerging Medical Research, LLC (Pediatric & Adult Site) Durham North Carolina 27704
Carolina Institute for Clinical Research (Adult Site) Fayetteville North Carolina 28303
Carolina Institute for Clinical Research (Adult Site) Fayetteville North Carolina 28304
Womack Army Medical Center (Adult Site) Fort Bragg North Carolina 28310
M3 Wake Research, Inc (Adult Site) Raleigh North Carolina 27612
PMG Research of Rocky Mount, LLC (Adult Site) Rocky Mount North Carolina 27804
Wake Forest Health Network - Pediatrics - Ford, Simpson, Lively & Rice (Pediatric Site) Salem North Carolina 27103
PMG Research of Wilmington, LLC (Adult Site) Wilmington North Carolina 28401
Synexus Clinical Research, US, Inc. (Adult Site) Akron Ohio 44311
Sterling Research Group, Ltd. (Adult Site) Cincinnati Ohio 45219
Synexus Clinical Research US, Inc. (Adult Site) Cincinnati Ohio 45236
Sterling Research Group, Ltd (Pediatric & Adult Site) Cincinnati Ohio 45246
Dr. Shelly David Senders MD Inc. dba Senders Pediatrics (Pediatric Site) Cleveland Ohio 44121
Velocity Clinical Research (Pediatric & Adult Site) Cleveland Ohio 44122
Aventiv Research Inc (Pediatric Site) Columbus Ohio 43213
Medical Research International (Adult Site) Oklahoma City Oklahoma 73109
Lynn Health Science Institute (Pediatric & Adult Site) Oklahoma City Oklahoma 73112
Velocity Clinical Research (Pediatric & Adult Site) Medford Oregon 97504
Preferred Primary Care Physicians, Inc. (Pediatric Site) Pittsburgh Pennsylvania 15236
The Miriam Hospital (TMH) (Adult Site) Providence Rhode Island 02904
Omega Medical Research, Providence (Pediatric & Adult Site) Warwick Rhode Island 02886
Synexus Clinical Research US, Inc. (Adult Site) Anderson South Carolina 29621
Medical University of South Carolina, SCTR Research Nexus (Adult Site) Charleston South Carolina 29425
Coastal Carolina Research Center (Pediatric Site) North Charleston South Carolina 29405
Spartanburg Medical Research (Pediatric Site) Spartanburg South Carolina 29303
American Indian Clinical Trials Research Network (Pediatric & Adult Site) Eagle Butte South Dakota 57625
Accellacare of Bristol (Pediatric & Adult Site) Bristol Tennessee 37620
WR Clinsearch, LLC (Pediatric & Adult Site) Chattanooga Tennessee 37421
Holston Medical Group (Pediatric Site) Kingsport Tennessee 37660
Accellacare US Inc., d/b/a Accellacare of Knoxville (Adult Site) Knoxville Tennessee 37938
Clinical Neurosciecne Solutions, Inc. dba CNS Healthcare (Pediatric & Adult Site) Memphis Tennessee 38119
Clinical Research Associates (Pediatric Site) Nashville Tennessee 37203
Clinical and Translational Research Center at Meharry Medical College (Adult Site) Nashville Tennessee 37208
Benchmark Research (Pediatric & Adult Site) Austin Texas 78705
Ventavia Research Group, LLC (Pediatric Site) Fort Worth Texas 76104
Benchmark Research (Pediatric & Adult Site) Fort Worth Texas 76135
Ventavia Research Group, LLC (Pediatric Site) Houston Texas 77008
Baylor College of Medicine (Adult Site) Houston Texas 77030
DM Clinical Research - Pediatric Healthcare of NW Houston, P.A. (Pediatric Site) Houston Texas 77065
Texas Center for Drug Development, Inc (Pediatric & Adult Site) Houston Texas 77081
The University Of Texas Medical Branch (Utmb) (Pediatric Site) League City Texas 77573
Centex Studies, Inc (Adult Site) McAllen Texas 78504
Research Your Health (Pediatric & Adult site) Plano Texas 75093
AES San Antonio (Adult Site) San Antonio Texas 78229
University of Texas Health Science Center San Antonio (Adult Site) San Antonio Texas 78229
Tekton Research, Inc. (Pediatric Site) San Antonio Texas 78244
DM Clinical Research (Pediatric & Adult Site) Tomball Texas 77375
Wee Care Pediatrics (Pediatric Site) Layton Utah 84041
Wee Care Pediatrics (Pediatric Site) Syracuse Utah 84075
Advanced Clinical Research (Adult Site) West Jordan Utah 84088
Pediatric Research of Charlottesville, LLC (Pediatric Site) Charlottesville Virginia 22902
Health Research of Hampton Roads, Inc (Pediatric & Adult Site) Newport News Virginia 23606
MultiCare Institute for Research & Innovation (Adult Site) Cheney Washington 99004
University of Washington VTEU (Adult Site) Seattle Washington 98104

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 10 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04611802, 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 Dec 20, 2023 · Synced Apr 23, 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 NCT04611802 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →