A Study to Evaluate VXA-CoV2-3.3 COVID-19 Vaccine Against Currently Approved/Authorized mRNA COVID-19 Injectable Booster Vaccine in Adults Previously Immunized Against COVID-19 Infection
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- James Cummings, MD
Vaxart, Inc.
Study Director
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
145 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Pinnacle Research Group
Anniston, Alabama, United States
- Core Clinical Trials - Central Alabama Research Llc
Birmingham, Alabama, United States
- Coastal Clinical Research
Mobile, Alabama, United States
- Avacare - Lenzmeier Family Medicine
Glendale, Arizona, United States
- Desert Clinical Research
Mesa, Arizona, United States
- Foothills Research Center
Phoenix, Arizona, United States
- Velocity Clinical Research - Medpharmics - Phoenix
Phoenix, Arizona, United States
- Avacare (cct) - Fiel Family & Sports Medicine
Tempe, Arizona, United States
- Baptist Health Center for Clinical Research - Little Rock
Little Rock, Arkansas, United States
- Elligo Health Research (btc/clinedge) - Core Healthcare Group
Cerritos, California, United States
- Velocity Clinical Research - Chula Vista (estudysite - Chula Vista)
Chula Vista, California, United States
- Avacare - Benchmark Research - Socal-Colton
Colton, California, United States
- Altasciences Los Angeles (formerly Wcct Global)
Cypress, California, United States
- Ark Clinical Research - Fountain Valley, Ca
Fountain Valley, California, United States
- Velocity Clinical Research - San Diego (estudysite - la Mesa)
La Mesa, California, United States
- Ark Clinical Research - Long Beach, Ca
Long Beach, California, United States
- Velocity Clinical Research (national Research Institute) - Panorama City
Los Angeles, California, United States
- Avacare - Benchmark Research - Sacramento
Sacramento, California, United States
- Northern California Research
Sacramento, California, United States
- Velocity Clinical Research - Gardena
Santa Ana, California, United States
- Elite Research Network (ern) - Legacy Clinical Trials
Colorado Springs, Colorado, United States
- Tekton Research - Fort Collins
Fort Collins, Colorado, United States
- Avacare - Critical Care, Pulmonary and Sleep Associates
Lakewood, Colorado, United States
- Tekton Research - Colorado - Longmont
Longmont, Colorado, United States
- Paradigm Clinical Research - Wheat Ridge
Wheat Ridge, Colorado, United States
- Stamford Therapeutics Consortium
Stamford, Connecticut, United States
- Chase Medical Research
Waterbury, Connecticut, United States
- Velocity Clinical Research - Washington Dc
Washington D.C., District of Columbia, United States
- Amr - Miami (clinical Research of South Florida)
Coral Gables, Florida, United States
- Universal Axon Clinical Research
Doral, Florida, United States
- Velocity Clinical Research - New Smyrna Beach
Edgewater, Florida, United States
- Fleming Island Center for Clinical Research
Fleming Island, Florida, United States
- Amr - Fort Myers - Clinical Physiology Associates
Fort Myers, Florida, United States
- Velocity Clinical Research - Hallandale Beach (md Clinical)
Hallandale, Florida, United States
- Encore - Nature Coast Clinical Research Inverness
Inverness, Florida, United States
- Encore - Westside Center for Clinical Research
Jacksonville, Florida, United States
- Jacksonville Center for Clinical Research
Jacksonville, Florida, United States
- Headlands Research - Jem Research - Lake Worth
Lake Worth, Florida, United States
- Accel Research Sites - Lakeland
Lakeland, Florida, United States
- Accel Research Sites (ars) - St. Petersburg - Largo
Largo, Florida, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 8 Oct 2024
- Primary completion
- 31 May 2027
- Completion
- 31 May 2027
- Last update posted
- 25 Jun 2026
- Registered enrollment
- 5,485
- Registry id
- NCT06672055
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.