NCT05112913

Brief Summary

This study is a double-blind, randomized phase Ⅳ clinical trial of the inactivated SARS-CoV-2 vaccine (CoronaVac)manufactured by Sinovac Research \& Development Co., Ltd. The purpose of this study is to evaluate the lot-to-lot consistency ,immunogenicity and safety of COVID-19 vaccine between the commercialized scale in workshop 2 and 3 and the commercialized scale in workshop 1 in healthy children aged 3-17 years.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
2,520

participants targeted

Target at P75+ for phase_4 covid19

Timeline
Completed

Started Jul 2021

Longer than P75 for phase_4 covid19

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 27, 2021

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

November 8, 2021

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 9, 2021

Completed
10 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 19, 2021

Completed
2.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 25, 2023

Completed
Last Updated

November 7, 2023

Status Verified

November 1, 2023

Enrollment Period

4 months

First QC Date

November 8, 2021

Last Update Submit

November 5, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Geometric mean titer(GMT) of neutralizing antibody to live SARS-CoV-2

    Geometric mean titer(GMT) of neutralizing antibody to live SARS-CoV-2 28 days after the full immunization of each lot of COVID-19 vaccine

    28 days after the full immunization

Secondary Outcomes (5)

  • Geometric mean increase (GMI) of the neutralizing antibody to live SARS-CoV-2

    28 days after the full immunization

  • Seroconversion rate of the neutralizing antibody to live SARS-CoV-2

    28 days after the full immunization

  • Seropositivity rate of the neutralizing antibody to live SARS-CoV-2

    28 days after the full immunization

  • Incidence of adverse reactions 0-7 days after vaccination

    0-7 days after vaccination

  • Incidence of adverse reactions 0-28 days after vaccination

    0-28 days after vaccination

Study Arms (7)

Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 2

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 2 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 1 of the workshop 2

Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 2

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 2 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 2 of the workshop 2

Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 2

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 2 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 3 of the workshop 2

Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 3

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 3 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 1 of the workshop 3

Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 3

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 3 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 2 of the workshop 3

Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 3

EXPERIMENTAL

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 3 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 3 of the workshop 3

Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 1

ACTIVE COMPARATOR

360 Participants aged 3-17 years(including 52 children aged 3-5 years,154 children aged 6-11 years and 154 adolescents aged 12-17 years) will receive Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 1 according to 0,28-day immunization schedule.

Biological: Inactivated SARS-CoV-2 Vaccine (Vero cell) Lot 1 of the workshop 1

Interventions

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 2

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 2

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 2

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 3

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 2 of the workshop 3

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 3 of the workshop 3

600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection

Also known as: CoronaVac
Inactivated SARS-CoV-2 vaccine Lot 1 of the workshop 1

Eligibility Criteria

Age3 Years - 17 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Healthy children aged 3-17;
  • The subjects and/or guardians can understand and voluntarily sign the informed consent form (For subjects aged 8-17 years, both subjects and guardians need to sign the informed consent form)
  • Proven legal identity.

You may not qualify if:

  • History of SARS-CoV-2 infection;
  • History of receiving COVID-19 vaccine;
  • History of asthma, history of allergy to the vaccine or vaccine components, or serious adverse reactions to the vaccine, such as urticaria, dyspnea,and angioedema;
  • Congenital malformations or developmental disorders, genetic defects, severe malnutrition, etc.;
  • Autoimmune disease (Systemic lupus erythematosus)or immunodeficiency / immunosuppression(HIV,history after organ transplantation)
  • Severe chronic diseases, severe cardiovascular diseases, hypertension and diabetes that cannot be controlled by drugs, liver or kidney diseases, malignant tumors, etc.;
  • Severe neurological disease (epilepsy, convulsions or convulsions) or mental illness;
  • Thyroid disease or history of thyroidectomy,absence of spleen, functional absence of spleen, absence of spleen due to any condition or splenectomy;
  • Diagnosed abnormal blood coagulation function (eg, lack of blood coagulation factors, blood coagulopathy, abnormal platelets) or obvious bruising or blood coagulation;
  • Immunosuppressive therapy, cytotoxic therapy, inhaled corticosteroids (excluding allergic rhinitis corticosteroid spray therapy, acute noncomplicated dermatitis superficial corticosteroid therapy) in the past 6 months;
  • Receipt of blood products within in the past 3 months;
  • Receipt of other investigational drugs in the past 30 days;
  • Receipt of attenuated live vaccines in the past 14 days;
  • Receipt of inactivated or subunit vaccines in the past 7 days;
  • Onset of various acute or chronic diseases within 7 days prior to the study;
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yaliang county Center for Disease Control and Prevention

Xi’an, Shanxi, 710054, China

Location

MeSH Terms

Conditions

COVID-19

Interventions

SARS-CoV-2 inactivated vaccinessinovac COVID-19 vaccine

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Study Officials

  • Weijun Hu, Master

    Shanxi Provincial Center for Disease Prevention and Control

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 8, 2021

First Posted

November 9, 2021

Study Start

July 27, 2021

Primary Completion

November 19, 2021

Study Completion

December 25, 2023

Last Updated

November 7, 2023

Record last verified: 2023-11

Locations