Immunogenicity And Safety of COVID-19 Vaccine , Inactivated Co -Administration With EV71 Vaccine (Vero Cell)

NCT ID: NCT05107557

Last Updated: 2022-08-11

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE4
• Total Enrollment: 520 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2021-11-05
• Study Completion Date: 2022-07-14

Brief Summary

This study is a randomized and controlled Phase IV clinical trial of the COVID-19 vaccine (Vero cell), Inactivated manufactured by Sinovac Research & Development Co., Ltd. The purpose of this study is to evaluate the immunogenicity and safety of COVID-19 vaccine (Vero cell), Inactivated co-administration with EV71 vaccine

Detailed Description

This study is a randomized and controlled phase IV clinical trial in children aged 3-5 years old. The purpose of this study is to evaluate the immunogenicity and safety of COVID-19 vaccine (Vero cell), Inactivated co-administration with EV71 vaccine.The COVID-19 vaccine was manufactured by Sinovac Research & Development Co., Ltd and the EV71 vaccine was manufactured by Sinovac Biotech Co.A total of 520 subjects aged 3-5 years old will be enrolled.Subjects will be randomly divided into 2 groups in a ratio of 1:1.The experimental group is the combined immunization group, which will receive the first dose of COVID-19 vaccine and the first dose of EV71 vaccine on day 0 and the second dose of COVID-19 vaccine and EV71 vaccine on day 28;Control group is the Non-combined immunization group , which will receive the first dose of COVID-19 vaccine on day 0 ,the first dose of EV71 vaccine on day 14, the second dose of COVID-19 vaccine on day 28 and the second dose of EV71 vaccine on day 42.

Conditions

COVID-19

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: NONE

Study Groups

Experimental Group

The experimental group is also called the combined immunization group.260 participants will receive the first dose of COVID-19 vaccine and EV71 vaccine on day 0 and the second dose of COVID-19 vaccine and EV71 vaccine on day 28.

Group Type: EXPERIMENTAL

Experimental Group

Intervention Type: BIOLOGICAL

The COVID-19 vaccine was manufactured by Sinovac Research \& Development Co., Ltd, and the EV71 vaccine was manufactured by Sinovac Biotech Co.The COVID-19 vaccine:600SU inactivated virus in 0.5mL of aluminium hydroxide solution per injection;The EV71 vaccine:Inactivated EV71 virus antigen no less than 3.0EU in 0.5 mL of aluminium hydroxide solution per injection.

Control Group

The control group is also called the Non-combined immunization group.260 participants will receive the first dose of COVID-19 vaccine on day 0,the first dose of EV71 vaccine on day 14,the second dose of COVID-19 vaccine on day 28 and the second dose of EV71 vaccine on day 42.

Group Type: ACTIVE_COMPARATOR

Experimental Group

Intervention Type: BIOLOGICAL

The COVID-19 vaccine was manufactured by Sinovac Research \& Development Co., Ltd, and the EV71 vaccine was manufactured by Sinovac Biotech Co.The COVID-19 vaccine:600SU inactivated virus in 0.5mL of aluminium hydroxide solution per injection;The EV71 vaccine:Inactivated EV71 virus antigen no less than 3.0EU in 0.5 mL of aluminium hydroxide solution per injection.

Interventions

Experimental Group

The COVID-19 vaccine was manufactured by Sinovac Research \& Development Co., Ltd, and the EV71 vaccine was manufactured by Sinovac Biotech Co.The COVID-19 vaccine:600SU inactivated virus in 0.5mL of aluminium hydroxide solution per injection;The EV71 vaccine:Inactivated EV71 virus antigen no less than 3.0EU in 0.5 mL of aluminium hydroxide solution per injection.

Intervention Type: BIOLOGICAL

Other Intervention Names

Combined immunization group

Eligibility Criteria

Inclusion Criteria

• Children aged 3-5 years;
• The subject and/or guardian can understand and voluntarily sign the informed consent form;
• Proven legal identity.

Exclusion Criteria

• History of contact with a SARS-CoV-2 infection (positive in nucleic acid test) within 14 days;
• History of multiple system inflammatory syndrome (MIS-C);
• History of hand, foot and mouth disease, herpetic angina or EV71 vaccination;
• 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, asplenia,functional asplenia, asplenia or splenectomy resulting from any condition;
• 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;
• History of drug abuse;
• 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;
• Severe neurological disease (epilepsy, convulsions or convulsions) or mental illness;
• Axillary temperature >37.0°C;
• The subjects participated in other clinical trials during the follow-up period,or will be planned within 3 months;
• According to the investigator's judgment, the subject has any other factors that are not suitable for participating in the clinical trial.

• Minimum Eligible Age: 3 Years
• Maximum Eligible Age: 5 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Sinovac Biotech Co., Ltd

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Zhuhang Huang, Master

Role: PRINCIPAL_INVESTIGATOR

Guangdong Center for Disease Prevention and Control

Locations

Yangchun City Center for Disease Control and Prevention

Yangchun, Guangdong, China

Zhanjiang Center for Diseases Control and Prevention

Zhenjiang, Guangdong, China

Countries

China

Other Identifiers

PRO-nCOV-4002-1

Identifier Type: -

Identifier Source: org_study_id