Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 4, 2026, 6:26 PM EDT

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

Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Compare the Immunogenicity and Safety of 3 Lots of NVX-CoV2373 in Adults

NCT05463068
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
NVX-Cov2373
Drug
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
911 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
30
States / cities
Long Beach, California • Sacramento, California • DeLand, Florida + 26 more
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Low dose RSV-F Vaccine with Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), Low dose RSV-F Vaccine without Adjuvant (Day 0); Seasonal TIV (Day 0 & day 28), High dose RSV-F Vaccine with Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), High dose RSV-F Vaccine without Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), Placebo (Day 0 & Day 28); Seasonal TIV (Day 0)
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Tucson, Arizona • Melbourne, Florida • Dallas, Texas + 1 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Efficacy of the 2023-2024 Updated COVID-19 Vaccines Against COVID-19 Infection

NCT06065176
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection, Upper Respiratory Tract Infection, Upper Respiratory Disease
Interventions
Novavax COVID-19 vaccine (2023-2024 formula XBB containing), Pfizer COVID-19 mRNA vaccine (2023-2024 formula XBB containing)
Biological
Lead sponsor
Sarang K. Yoon, DO, MOH
Other
Eligibility
18 Years and older
Enrollment
1,188 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Efficacy and Safety of NVX-CoV2705

NCT07086222
Conditions
COVID-19, Sars-CoV-2 Infection
Interventions
NVX-CoV2705, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
50 Years to 65 Years
Enrollment
6,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
99
States / cities
Athens, Alabama • Birmingham, Alabama • Gadsden, Alabama + 88 more
Completed Phase 2 Interventional Accepts healthy volunteers

RSV F Dose-Ranging Study in Women

NCT01960686
Conditions
Respiratory Syncytial Virus Infections
Interventions
Low dose RSV F Antigen, High dose RSV F Antigen, Dose 1 of Aluminum Adjuvant, Dose 2 of Aluminum Adjuvant, Dose 3 of Aluminum Adjuvant, Dose 4 of Aluminum Adjuvant, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
10
States / cities
Walnut Creek, California • Stockbridge, Georgia • Boise, Idaho + 7 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety, Reactogenicity and Immunogenicity of an H5N1 VLP

NCT00519389
Conditions
Pandemic Influenza
Interventions
H5N1 VLP Vaccine, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 40 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Respiratory Syncytial Virus Infections
Interventions
Saline Placebo (0.5mL injection), RSV F vaccine (0.5mL injection)
Drug
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
7
States / cities
Nampa, Idaho • Hutchinson, Kansas • Kansas City, Kansas + 4 more
Completed Phase 2 Interventional Accepts healthy volunteers

RSV-F Vaccine Dose Ranging Study in Young Women

NCT01704365
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Low dose RSV-F Vaccine with Adjuvant, Low dose RSV-F Vaccine without Adjuvant, High dose RSV-F Vaccine with Adjuvant, High dose RSV-F Vaccine without Adjuvant, Low dose RSV-F Vaccine with Adjuvant [Bedside Mixing], Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
4
States / cities
Anaheim, California • Rockville, Maryland • Mt. Pleasant, South Carolina + 1 more
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection
Interventions
protein subunit: Novavax COVID-19 vaccine, Pfizer mRNA COVID-19 vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Phase 3 Interventional Accepts healthy volunteers

A Strain Change Study for SARS-CoV-2 rS Vaccines

NCT06409663
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
Interventions
NVX-CoV2705 Vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Phoenix, Arizona • Austin, Texas
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Study of Novavax Vaccine(s) as Booster Dose After mRNA Vaccines

NCT05875701
Conditions
COVID-19
Interventions
NVX-CoV2373, SARS-CoV-2 rS antigen/Matrix-M Adjuvant
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
5
States / cities
Austin, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Conditions
COVID-19
Interventions
NVX-CoV2373 (5μg), NVX-CoV2601(5μg), NVX-CoV2601(35μg), NVX-CoV2601(50μg), Bivalent BA.4/5
Biological
Lead sponsor
Novavax
Industry
Eligibility
50 Years to 99 Years
Enrollment
994 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
50
States / cities
Birmingham, Alabama • Tucson, Arizona • Banning, California + 44 more
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
RSV-F Vaccine, Phosphate Buffer Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
1,330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
10
States / cities
Redding, California • Stockbridge, Georgia • Lenexa, Kansas + 7 more
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV F vaccine with adjuvant, Formulation buffer
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
4,636 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
49
States / cities
Birmingham, Alabama • Cullman, Alabama • Fort Defiance, Arizona + 43 more
Conditions
COVID-19
Interventions
XBB.1.5 Vaccine (Booster), XBB.1.5 Vaccine (single dose)
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 54 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
30
States / cities
Mobile, Alabama • Sacramento, California • Colorado Springs, Colorado + 26 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Pivotal Trial of NanoFlu™ in Older Adults

NCT04120194
Conditions
Influenza, Human
Interventions
NanoFlu, Fluzone Quadrivalent
Biological
Lead sponsor
Novavax
Industry
Eligibility
65 Years and older
Enrollment
2,654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
19
States / cities
Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 16 more
Completed Phase 3 Interventional Accepts healthy volunteers

Safety and Immunogenicity of NVX-CoV2705

NCT07079670
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
NVX-CoV2705
Biological
Lead sponsor
Sanofi
Industry
Eligibility
12 Years to 90 Years
Enrollment
676 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
10
States / cities
Phoenix, Arizona • Melrose Park, Illinois • Lenexa, Kansas + 7 more
Conditions
Influenza
Interventions
NanoFlu, Fluzone HD - Day 0, Fluzone HD - Day 21, Saline - Day 21
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Raleigh, North Carolina • Rocky Mount, North Carolina • Statesville, North Carolina
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV-F Particle Vaccine, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Antonio, Texas
Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy of an RSV F Vaccine in Older Adults

NCT02608502
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
RSV-F Vaccine, Phosphate Buffer Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
11,850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
60
States / cities
Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 51 more
Conditions
Immunosuppression, COVID-19
Interventions
NVX-CoV2372
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A(H7N9) VLP Antigen Dose-Ranging Study With Matrix-M1™ Adjuvant

NCT02078674
Conditions
Influenza (Pandemic)
Interventions
Monovalent Avian Influenza VLP (H7N9), Matrix-M1™ adjuvant, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 64 Years
Enrollment
610 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
5
States / cities
Walnut Creek, California • Miami, Florida • Meridian, Idaho + 2 more
Conditions
COVID-19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
6 Months to 11 Years
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
47
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 41 more
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
RSV-F Vaccine, Saline Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
1,599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
Redding, California • Stockbridge, Georgia • Lenexa, Kansas + 7 more