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Two doses of commercial scale inactivated SARS-CoV-2 vaccine at the schedule of day 0, 14

Phase 3

Covid19 | Vaccine | Infectious Disease |Sinovac Biotech, Ltd|Last Updated: Jul 27, 2021

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment1,040

FDA Designations

No designations recorded

Clinical trial landscape

Two doses of commercial scale inactivated SARS-CoV-2 vaccine at the schedule of day 0, 14 · 1 trial · 1 indication

Phase 3 1
NCT04617483Study of the Commercial Scale SARS-CoV-2 Vaccine Against the Pilot Scale Among Adults, and Bridging Study of the Immunogenicity in Elderly Against That in AdultsCovid19
COMPLETED1,040 Analytics
PHASE3COMPLETED
Study of the Commercial Scale SARS-CoV-2 Vaccine Against the Pilot Scale Among Adults, and Bridging Study of the Immunogenicity in Elderly Against That in Adults
Covid19Unlock trial analytics

Study Endpoints

Primary Endpoints

Immunogenicity index-geometric mean titer(GMT) of neutralizing antibody
Day 14 after the full course vaccination

Neutralizing antibody assay will be performed using the micro-neutralization method

Secondary Endpoints

Immunogenicity index-Seroconversion rate of the neutralizing antibody
Day 14 after the full course vaccination
Immunogenicity index-Seropositive rate of the neutralizing antibody
Day 14 after the full course vaccination
Safety index-Incidence of adverse reactions
From the beginning of the vaccination to 28 days after the full course vaccination
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Aged 26-45, Commercial ScaleEXPERIMENTALCommercial scale inactivated SARS-CoV-2 vaccine in adults aged 26-45 years.
Aged 18-59, Pilot ScaleEXPERIMENTALPilot scale inactivated SARS-CoV-2 vaccine in adults aged 18-59 years.
Aged ≥60, Pilot ScaleEXPERIMENTALPilot scale inactivated SARS-CoV-2 vaccine in elderly aged above 60 years.

Interventions

NameTypeDescription
Two doses of commercial scale inactivated SARS-CoV-2 vaccine at the schedule of day 0,14BIOLOGICALThe antigen content of the commercial scale inactivated SARS-CoV-2 vaccine was 600SU/0.5ml, vaccinated in the age group 26-45.
Two doses of pilot scale inactivated SARS-CoV-2 vaccine at the schedule of day 0,14BIOLOGICALThe antigen content of the pilot scale inactivated SARS-CoV-2 vaccine was 600SU/0.5ml, vaccinated in the age group 18-59.
Two doses of pilot scale inactivated SARS-CoV-2 vaccine at the schedule of day 0,14 in elderlyBIOLOGICALThe antigen content of the pilot scale inactivated SARS-CoV-2 vaccine was 600SU/0.5ml, vaccinated in the age group above 60.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Healthy adults aged 18-59 or elderly aged ≥60 years; 2. Proven legal identity. Exclusion Criteria: 1. Travel/residence history of communities with reported cases within 14 days before trial; 2. History of exposure to Novel Coronavirus infection (nucleic acid positive) withi...

Countries:China
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Frequently asked questions about Two doses of commercial scale inactivated SARS-CoV-2 vaccine at the schedule of day 0, 14

What is the two-dose commercial scale inactivated SARS-CoV-2 vaccine used for?

It is a vaccine developed to prevent Covid-19. The regimen uses two doses of a commercial scale inactivated SARS-CoV-2 vaccine given on a day 0 and day 14 schedule. It is intended for adults, including elderly adults, and was studied in healthy volunteers in China.

Who makes the two-dose commercial scale inactivated SARS-CoV-2 vaccine?

Sinovac Biotech, Ltd is the developer of the two-dose commercial scale inactivated SARS-CoV-2 vaccine. The company trades under the ticker SVA. The vaccine is an inactivated SARS-CoV-2 vaccine candidate studied in a Phase 3 trial conducted in China.

What phase is the two-dose commercial scale inactivated SARS-CoV-2 vaccine in?

The two-dose commercial scale inactivated SARS-CoV-2 vaccine is in Phase 3 development. Its single registered trial, NCT04617483, is listed as completed. The study was randomized, double blind, and controlled, and enrolled 1,040 participants aged 18 years and older in China.

What clinical trial is the two-dose commercial scale inactivated SARS-CoV-2 vaccine in?

The vaccine was studied in trial NCT04617483, titled a study of the commercial scale SARS-CoV-2 vaccine against the pilot scale among adults, and a bridging study of immunogenicity in elderly against that in adults. The Phase 3 trial enrolled 1,040 healthy volunteers in China and is completed.

What schedule is used for the two-dose commercial scale inactivated SARS-CoV-2 vaccine?

The vaccine is given as two doses on a day 0 and day 14 schedule. This two-dose regimen was evaluated in the Phase 3 trial NCT04617483, which compared the commercial scale vaccine with the pilot scale vaccine in adults and assessed immunogenicity bridging in elderly adults.