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Novavax COVID-19 Vaccine

Phase 3

COVID-19 | Monoclonal antibody | Infectious Disease |Novavax, Inc.|Last Updated: Jun 5, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMC
Total Trials1
Total Enrollment9,320

FDA Designations

No designations recorded

Clinical trial landscape

Novavax COVID-19 Vaccine · 1 trial · 1 indication

Phase 3 1
NCT06291857A Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine and Influenza Combination VaccineCOVID-19
COMPLETED9,320 Analytics
PHASE3COMPLETED
A Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine and Influenza Combination Vaccine
COVID-19Unlock trial analytics

Study Endpoints

Primary Endpoints

Numbers of participants with solicited local and systemic adverse events (AEs)
Day 7

Numbers of participants with solicited local and systemic AEs over the 7 days post-vaccination.

Numbers of participants reporting unsolicited AEs and medically attended adverse events (MAAEs).
Day 28

Numbers of participants reporting unsolicited AEs and MAAEs over 21 days post-vaccination.

Treatment-related MAAEs, serious adverse events (SAEs), and adverse events of special interest (AESIs) (including potential immune-mediated medical conditions [PIMMCs] and myocarditis and/or pericarditis)
Day 0 to Day 364

Numbers of participants with treatment-related MAAEs, AESIs (including PIMMC and myocarditis and/or pericarditis), and SAEs will be collected for 12 months (approximately 364 days) post-vaccination.

Hemagglutination Inhibition (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose of homologous A and B strains Expressed as GMT
Days 0 and 28

Hemagglutination Inhibition (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose of homologous influenza strains (two influenza A strains and one influenza B-Victoria lineage strain) on Days 0 and 28

Hemagglutination Inhibition (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose of homologous A and B strains Expressed as GMTR
Day 28

Hemagglutination Inhibition (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose of homologous influenza strains (two influenza A strains and one influenza B-Victoria lineage strain) on Days 28

Percentage of Participants With a (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose for 3 vaccine-homologous influenza strains Expressed as SCR
Day 28

Percentage of Participants With a (HAI) antibody responses of the CIC vaccine compared to Fluzone High-Dose for 3 vaccine-homologous influenza strain on Days 28

Neutralizing Antibody (NAb) Responses of the CIC vaccine compared to Fluzone High-Dose of homologous A and B strains Expressed as GMT
Day 28

Neutralizing Antibody (NAb) Responses Assessed against three homologous influenza strains (two influenza A strains and one influenza B-Victoria lineage strain) on Day 28

Neutralizing Antibody (NAb) Responses of the CIC vaccine compared to Fluzone High-Dose of homologous A and B strains Expressed as GMTR
Day 28

Neutralizing Antibody (NAb) Responses Assessed against three homologous influenza strains (two influenza A strains and one influenza B-Victoria lineage strain) on Day 28

Percentage of Participants With a (NAb) Responses of the CIC vaccine compared to Fluzone High-Dose of homologous A and B strains Expressed as SCR
Day 28

Neutralizing Antibody (NAb) Responses Assessed against three homologous influenza strains (two influenza A strains and one influenza B-Victoria lineage strain) on Day 28

Hemagglutination Inhibition (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of homologous influenza A and B strains expressed as GMT
Day 28

Hemagglutination Inhibition (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of 2 influenza A strains and an influenza B-Victoria lineage strain) on Day 28

Hemagglutination Inhibition (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of homologous influenza A and B strains expressed as GMTR
Day 28

Hemagglutination Inhibition (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of 2 influenza A strains and an influenza B-Victoria lineage strain) on Day 28

Percentage of Participants with (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of homologous influenza A and B strains expressed as SCR
Day 28

Hemagglutination Inhibition (HAI) antibody titers specific to HA receptor-binding domains of (tNIV) comparable to Fluzone High-Dose of 2 influenza A strains and an influenza B-Victoria lineage strain) on Day 28

Secondary Endpoints

Immunogenicity- HAI antibody titers specific for the HA receptor binding domains of vaccine homologous A and B influenza strains Expressed as Geometric Mean Titers (GMT)
Day 28
Immunogenicity- HAI antibody titers specific for the HA receptor binding domains of vaccine homologous A and B influenza strains Expressed as GMFR
Day 28
Percentage of Participants with HAI antibody titers specific for the HA receptor binding domains of vaccine homologous A and B influenza strains Expressed as SCR
Day 28
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Study Design & Arms

AllocationRANDOMIZED
MaskingSINGLE
ModelCROSSOVER
PurposePREVENTION

Treatment Arms

ArmTypeDescription
CIC VaccineEXPERIMENTALA single 0.5 mL IM injection on Day 0
Novavax COVID-19 VaccineEXPERIMENTALA single 0.5 mL IM injection on Day 0
tNIV VaccineEXPERIMENTALA single 0.5 mL IM injection on Day 0
Fluzone High-DoseEXPERIMENTALA single 0.5 mL IM injection on Day 0

Interventions

NameTypeDescription
CIC Vaccine Co-formulated tNIV2 , SARSCoV-2 rS and Matrix-M AdjuvantBIOLOGICALCIC will contain SARs-CoV-2 antigen (35 μg), tNIV antigens (2 influenza A \[H1N1 and H3N2\] and 1 influenza B-Victoria lineage strains; 60 μg/strain
Novavax COVID-19 VaccineBIOLOGICALEach 0.5 mL dose comprises 5 µg SARS-CoV-2 S protein and 50 µg Matrix-M adjuvant
tNIV VaccineBIOLOGICAL2 influenza A \[H1N1 and H3N2\] and 1 influenza B-Victoria lineage strains (60 μg/strain), and Matrix-M adjuvant (75 μg)
Fluzone High DoseBIOLOGICALFluzone High-Dose is supplied as a suspension for IM injection 0.5 mL with 60 µg per strain
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Eligibility Criteria

Age Range65 Years to 75 Years
SexALL
Healthy VolunteersYes
Study Sites58

Inclusion Criteria To be included in this study, each individual must satisfy all the following criteria: 1. Willing and able to give informed consent prior to study enrollment. 2. Medically stable adult male or female ≥ 65 years of age at Screening. 3. Participants may have 1 or more chronic medi...

Countries:AustraliaNew Zealand
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Recent Changes (Last 90 Days)

MEDIUMJul 6, 2026NCT06291857TRIAL_REMOVED: changed
MEDIUMJul 6, 2026NCT06291857TRIAL_REMOVED: changed
MEDIUMJul 6, 2026NCT06291857TRIAL_REMOVED: changed

Frequently asked questions about Novavax COVID-19 Vaccine

What is Novavax COVID-19 Vaccine used for?

Novavax COVID-19 Vaccine is an investigational vaccine being studied for the prevention of COVID-19. It is currently in Phase 3 clinical development and is not yet approved by regulatory authorities. The vaccine is designed to generate an immune response against the SARS-CoV-2 virus, which causes COVID-19.

Who makes Novavax COVID-19 Vaccine?

Novavax COVID-19 Vaccine is being developed by Novavax, Inc., a biotechnology company traded on the Nasdaq under the ticker symbol NVAX. The company is conducting clinical trials to evaluate the vaccine's safety and immunogenicity in adults aged 65 years and older.

What phase is Novavax COVID-19 Vaccine in?

Novavax COVID-19 Vaccine is in Phase 3 clinical development. It is an investigational product, meaning it has not yet received regulatory approval for use in the general population. The Phase 3 trial has been completed, and the company is analyzing the results to determine next steps.

What clinical trials is Novavax COVID-19 Vaccine in?

Novavax COVID-19 Vaccine was evaluated in a Phase 3 clinical trial with the identifier NCT06291857. This study, titled 'A Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine and Influenza Combination Vaccine,' enrolled 9,320 participants aged 65 years and older in Australia and New Zealand. The trial has been completed.

Is Novavax COVID-19 Vaccine a monoclonal antibody?

No, Novavax COVID-19 Vaccine is not a monoclonal antibody. It is a vaccine, which is a different modality. Vaccines work by stimulating the body's immune system to produce a protective response against a pathogen, whereas monoclonal antibodies are laboratory-made proteins that mimic the immune system's ability to fight off viruses.