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NVX-CoV2705 Vaccine

Phase 3

Severe Acute Respiratory Syndrome Coronavirus 2 Infection | Monoclonal antibody | Infectious Disease |Novavax, Inc.|Last Updated: Jul 18, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment60

FDA Designations

No designations recorded

Clinical trial landscape

NVX-CoV2705 Vaccine · 1 trial · 1 indication

Phase 3 1
NCT06409663A Strain Change Study for SARS-CoV-2 rS VaccinesSevere Acute Respiratory Syndrome Coronavirus 2 Infection
COMPLETED60 Analytics
PHASE3COMPLETED
A Strain Change Study for SARS-CoV-2 rS Vaccines
Severe Acute Respiratory Syndrome Coronavirus 2 InfectionUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence, duration, and severity of solicited local and systemic adverse events (AEs)
Day 7[ following 1st vaccination]

Incidence, duration, and severity of solicited local and systemic adverse events (AEs) for 7 days following vaccination.

Incidence, severity, and relationship of any unsolicited AEs
Day 28

Incidence, severity, and relationship of any unsolicited AEs through 28 days after vaccination.

Incidence and severity of treatment-related MAAEs, adverse events of special interest and serious adverse events interest (AESIs; predefined list, including PIMMCs, myocarditis and/or pericarditis), and serious adverse events (SAEs)
Day 180 or end of study (EoS).

Incidence and severity of treatment-related MAAEs, adverse events of special interest and serious adverse events interest (AESIs; predefined list, including PIMMCs, myocarditis and/or pericarditis), and serious adverse events (SAEs) through day 180 or end of study (EoS).

Secondary Endpoints

Pseudovirus neutralization titers for the JN.1 subvariant expressed as GMTs
Day 0 to Day 28
Pseudovirus neutralization antibody responses against the JN.1 subvariant Expressed as GMFR
Day 0 to Day 28
Pseudovirus neutralization antibody responses against the JN.1 subvariant Expressed as SRRs
Day 28
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposePREVENTION

Treatment Arms

ArmTypeDescription
NVX-CoV2705 vaccine (5 µg )EXPERIMENTALNVX-CoV2705 COVID-19 vaccine will contain rS antigen from the JN.1 subvariant of SARS-CoV-2

Interventions

NameTypeDescription
NVX-CoV2705 VaccineBIOLOGICALAll injections will be administered in a 0.5 mL injection volume at an antigenic dose of 5 µg with 50 µg Matrix-M adjuvant at each injection.
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Eligibility Criteria

Age Range18 Years to 90 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: 1. Adults ≥ 18 years of age at time of study vaccination. 2. Previously vaccinated with ≥ 3 doses of an authorized/approved COVID-19 vaccine with the last dose administered ≥ 6 months prior to study vaccination. 3. Willing and able to give informed consent prior to study enrollm...

Countries:United States
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Frequently asked questions about NVX-CoV2705 Vaccine

What is NVX-CoV2705 Vaccine used for?

NVX-CoV2705 Vaccine is an investigational vaccine being studied for the prevention of Severe Acute Respiratory Syndrome Coronavirus 2 Infection, the disease caused by SARS-CoV-2. It is a recombinant protein vaccine developed by Novavax, Inc. and is currently in Phase 3 clinical development.

Who makes NVX-CoV2705 Vaccine?

NVX-CoV2705 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 for the prevention of SARS-CoV-2 infection.

What phase is NVX-CoV2705 Vaccine in?

NVX-CoV2705 Vaccine is in Phase 3 clinical development. It is an investigational vaccine and has not been approved by regulatory authorities. The vaccine is being studied for the prevention of Severe Acute Respiratory Syndrome Coronavirus 2 Infection.

What clinical trials is NVX-CoV2705 Vaccine in?

NVX-CoV2705 Vaccine has been evaluated in one completed Phase 3 clinical trial, identified as NCT06409663, titled 'A Strain Change Study for SARS-CoV-2 rS Vaccines'. This trial enrolled 60 healthy adult participants in the United States and was an uncontrolled, non-randomized study.

Is NVX-CoV2705 Vaccine the same as other Novavax COVID vaccines?

NVX-CoV2705 Vaccine is a strain change study vaccine for SARS-CoV-2, related to Novavax's recombinant protein vaccine platform. The clinical trial NCT06409663 was designed to evaluate a strain change for SARS-CoV-2 rS vaccines, indicating it is a variant-adapted version of the company's vaccine technology.