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NanoFlu

Phase 3

Influenza, Human | Monoclonal antibody | Infectious Disease |Novavax, Inc.|Trials Updated: May 6, 2023

NanoFlu development status

Highest phase Phase 3
Registered trials 2 across 1 sponsor since Sep 2017

NanoFlu target and mechanism

ModalityMonoclonal antibody

Also known as Quad-NIV

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials2
Total Enrollment2,984

FDA Designations

No designations recorded

NanoFlu clinical trials

NanoFlu · 2 trials · 2 indications

Phase 3 1Phase 1 1
NCT04120194Phase 3 Pivotal Trial of NanoFlu™ in Older AdultsInfluenza, Human
COMPLETED2,654 Analytics
PHASE3COMPLETED
Phase 3 Pivotal Trial of NanoFlu™ in Older Adults
Influenza, HumanUnlock trial analytics

Study Endpoints

Primary Endpoints

HAI Antibody Responses for Vaccine Homologous Influenza Strains Expressed as Ratio of Geometric Mean Fold Ratio (GMFR)
Day 28

Egg-Based HAI Assay responses for all 4 vaccine homologous influenza strains (ie, 2 influenza A and 2 influenza B strains) expressed as GMFR on Day 28

Mean Difference in the Seroconversion Rate (SCR) HAI Antibody Responses for Vaccine Homologous Influenza Strains Expressed as a Percentage of Participants
Day 0 - Day 28

Egg-Based HAI Assay responses for all 4 vaccine homologous influenza strains (ie, 2 influenza A and 2 influenza B strains) summarized in terms of SCR on Day 28

Number of Subjects With Solicited Local and Systemic Adverse Events (AEs)
Day 0 - Day 6

Number of subjects with solicited local and systemic AEs over 7 days post-injection (ie, Day 0 through Day 6, inclusive).

Number of Subjects With Medically Attended Adverse Events (MAAEs), Serious Adverse Events (SAEs), Significant New Medical Conditions (SNMCs)
Day 0 - Day 364

Number of subjects with Medically Attended Adverse Events (MAAEs), Serious Adverse Events (SAEs), Significant New Medical Conditions (SNMCs) - including AESIs - through 1-year post-injection.

Number of Subjects With MAAEs, SAEs, SNMCs
Day 0 - Day 27

Number of subjects with MAEs, SAEs, and SNMCs - including AESIs.

Number of Participants With All Adverse Events (AEs), Medically Attended Adverse Events (MAAEs), Serious Adverse Events (SAEs), and Significant New Medical Conditions (SNMCs).
Day 0 - Day 21 post dosing

Number of participants that reported all adverse event (AE) profile (including adverse changes in clinical laboratory parameters) ; medically-attended adverse event (MAE), serious adverse event (SAE), and significant new medical condition (SNMC) post dosing.

Number of Participants With Solicited Local and Systemic AEs
Day 0 - Day 6 post-dosing

Number of participants with solicited local and systemic adverse events over the 7 days post-injection

Geometric Mean Titers (GMT) Specific for the Hemagglutinin (HA) Receptor Binding Domains of Each of the Virus Strains Included in the NanoFlu as Measured by the Hemagglutination Inhibition (HAI) Assay.
Day 0 - Day 21 post dosing

The immunogenicity of Tri-NIV at 2 different doses, and the licensed comparator Fluzone HD (Sanofi Pasteur), in healthy older adults ≥ 60 years of age, based on hemagglutination inhibition (HAI) responses to vaccine-homologous influenza A and B strains, as recommended for the 2017 - 18 Northern hemisphere vaccine, at Day 21 post-dosing expressed as GMTs.

Geometric Mean Ratio (GMR) Specific for the HA Receptor Binding Domains of Each of the Virus Strains Included in the NanoFlu as Measured by the HAI Assay.
Day 0 - Day 21 post dosing

The immunogenicity of Tri-NIV at 2 different doses, and the licensed comparator Fluzone HD (Sanofi Pasteur), in healthy older adults ≥ 60 years of age, based on hemagglutination inhibition (HAI) responses to vaccine-homologous influenza A and B strains, as recommended for the 2017 - 18 Northern hemisphere vaccine, at Day 21 post-dosing expressed as GMR.

Seroconversion Rate (SCR) Specific for the HA Receptor Binding Domains of Each of the Virus Strains Included in the NanoFlu as Measured by the HAI Assay.
Day 0 - Day 21 post dosing

The immunogenicity of Tri-NIV at 2 different doses, and the licensed comparator Fluzone HD (Sanofi Pasteur), in healthy older adults ≥ 60 years of age, based on hemagglutination inhibition (HAI) responses to vaccine-homologous influenza A and B strains, as recommended for the 2017 - 18 Northern hemisphere vaccine, at Day 21 post-dosing expressed as SCRs.

Number of Participants With Seroprotection Specific for the HA Receptor Binding Domains of Each of the Virus Strains Included in the NanoFlu as Measured by the HAI Assay.
Day 0 - Day 21 post dosing

The immunogenicity of Tri-NIV at 2 different doses, and the licensed comparator Fluzone HD (Sanofi Pasteur), in healthy older adults ≥ 60 years of age, based on hemagglutination inhibition (HAI) responses to vaccine-homologous influenza A and B strains, as recommended for the 2017 - 18 Northern hemisphere vaccine, at Day 21 post-dosing expressed as SPRs. Seroprotection rate (SPR) - defined as the number of subjects with an HAI titer ≥ 1:40.

Secondary Endpoints

HAI Titers to All Vaccine Homologous Influenza Strains and at Least 1 Antigenically Drifted Strain Expressed as Geometric Mean Titers (GMT)
Day 0 - Day 28
HAI Titers to All Vaccine Homologous Influenza Strains and at Least 1 Antigenically Drifted Strain Expressed as Geometric Mean Fold Ratio (GMFR)
Day 28 - 364
Subjects Who Seroconverted as Determined by HAI Titers to All Vaccine Homologous Influenza Strains and at Least 1 Antigenically Drifted Strain
Day 28 - Day 364
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
NanoFluEXPERIMENTALNanoFlu will be administered as a single dose (0.5 mL) in the arm muscle on Day 0.
Fluzone QuadrivalentACTIVE_COMPARATORFluzone Quadrivalent will be administered as a single dose (0.5 mL) in the arm muscle on Day 0.
Group AEXPERIMENTALLow dose NanoFlu - Day 0; Fluzone HD - Day 21
Group BEXPERIMENTALHigh dose NanoFlu - Day 0; Fluzone HD - Day 21
Group CACTIVE_COMPARATORFluzone HD - Day 0; Saline - Day 21

Interventions

NameTypeDescription
NanoFluBIOLOGICALInvestigational quadrivalent seasonal influenza vaccine for the 2019-20 Northern hemisphere influenza season.
Fluzone QuadrivalentBIOLOGICALLicensed quadrivalent seasonal influenza vaccine for the 2019-20 Northern hemisphere influenza season.
Fluzone HD - Day 0BIOLOGICALVaccine
Fluzone HD - Day 21BIOLOGICALVaccine
Saline - Day 21OTHERPlacebo
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Eligibility Criteria

Age Range65 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites19

Inclusion Criteria: 1. Clinically-stable adult male or female, ≥ 65 years of age. Subjects may have 1 or more chronic medical diagnoses, but should be clinically stable as assessed by: * Ambulatory status, living independently in the community or in a residential facility providing minimal assi...

Countries:United States
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Frequently asked questions about NanoFlu

What is NanoFlu used for?

NanoFlu is an investigational recombinant nanoparticle influenza vaccine being developed for the prevention of influenza in older adults. It is designed to address seasonal influenza, including in adults aged 60 years and older, and has been evaluated in clinical trials in the United States.

What does NanoFlu target?

NanoFlu is a recombinant nanoparticle vaccine that targets influenza virus hemagglutinin proteins. It is formulated with the Matrix-M adjuvant to enhance immune responses. The vaccine is designed to induce immunity against seasonal influenza strains, particularly in older adults who may have weaker responses to standard vaccines.

Who makes NanoFlu?

NanoFlu is being developed by Novavax, Inc., a biotechnology company traded on the Nasdaq under the ticker symbol NVAX. Novavax is responsible for the research, clinical development, and manufacturing of the vaccine candidate.

What phase is NanoFlu in?

NanoFlu is an investigational vaccine that has completed Phase 1 and Phase 3 clinical trials. The Phase 3 pivotal trial in older adults has been completed, but NanoFlu is not yet approved by the FDA and remains in clinical development as an investigational product.

What clinical trials is NanoFlu in?

NanoFlu has been evaluated in two completed clinical trials. NCT03293498 was a Phase 1 study of a recombinant trivalent nanoparticle influenza vaccine with Matrix-M adjuvant in adults aged 60 years and older. NCT04120194 was a Phase 3 pivotal trial of NanoFlu in older adults aged 65 years and older.

Is NanoFlu the same as a trivalent nanoparticle influenza vaccine?

NanoFlu is a recombinant trivalent nanoparticle influenza vaccine, as described in the Phase 1 trial. It incorporates three influenza strains and uses the Matrix-M adjuvant. The Phase 3 trial refers to it as NanoFlu, indicating that the product name applies to this specific vaccine formulation.