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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
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment9,320
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06291857A Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine and Influenza Combination VaccinePHASE3 COMPLETED 9,320Dec 9, 2024Feb 9, 2026Jun 5, 202658 Australia, New Zealand
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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 — 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)
HIGHJun 5, 2026NCT06291857Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 5, 2026NCT06291857Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 5, 2026NCT06291857Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 5, 2026NCT06291857Status: ACTIVE_NOT_RECRUITING → COMPLETED
LOWMay 26, 2026NCT06291857primaryCompletionDate: changed
LOWMay 24, 2026NCT06291857studyFirstPostDate: changed