NCT05165732

Brief Summary

This is a randomized, Open, control phase Ⅳ clinical trial of inactivated COVID-19 vaccine manufactured by Sinovac Research \& Development Co., Ltd,Beijing institute of Biological Products Co.,Ltd and Wuhan Institute of Biological Products Co.,Ltd.The purpose of this study is to explore booster Immunization of SARS-CoV-2 Inactivated Vaccine from different manufactures in adults aged 18-45 years old Previously Vaccinated with inactivated COVID-19 vaccine

Trial Health

33
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Trial recruitment is currently suspended
Enrollment
480

participants targeted

Target at P50-P75 for phase_4 covid19

Timeline
Completed

Started Dec 2022

Geographic Reach
1 country

1 active site

Status
suspended

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

First Submitted

Initial submission to the registry

December 20, 2021

Completed
1 day until next milestone

First Posted

Study publicly available on registry

December 21, 2021

Completed
12 months until next milestone

Study Start

First participant enrolled

December 20, 2022

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 20, 2023

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 20, 2023

Completed
Last Updated

August 11, 2022

Status Verified

November 1, 2021

Enrollment Period

3 months

First QC Date

December 20, 2021

Last Update Submit

August 9, 2022

Conditions

Outcome Measures

Primary Outcomes (3)

  • Immunogenicity index-GMT of neutralizing antibodies

    GMT of neutralizing antibody 28 days after booster dose.

    28 days after booster dose

  • Immunogenicity index-seroconversion rate (4-fold and above increase)of neutralizing antibodies

    Seroconversion rate (4-fold and above increase)of neutralizing antibodies 28 days after booster dose.

    28 days after booster dose

  • Immunogenicity index-seropositive rate of neutralizing antibody

    Seropositive rate of neutralizing antibody 28 days after booster dose.

    28 days after booster dose

Secondary Outcomes (3)

  • Safety index-Incidence of adverse reactions

    0-28 days after booster

  • Safety index-Incidence of adverse reactions

    0-7 days after booster dose

  • Safety index-Incidence of SAEs and AESIs

    0-28 days after booster

Study Arms (5)

Experimental Group 1

EXPERIMENTAL

96 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research \& Development Co.,Ltd. will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research \& Development Co.,Ltd.

Biological: Experimental vaccine 1

Experimental Group 2

EXPERIMENTAL

96 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Beijing institute of Biological Products Co,Ltd. will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research \& Development Co.,Ltd.

Biological: Experimental vaccine 1

Experimental Group 3

EXPERIMENTAL

96 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Beijing institute of Biological Products Co.,Ltd. will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Beijing institute of Biological Products Co.,Ltd.

Biological: Experimental vaccine 2

Experimental Group 4

EXPERIMENTAL

92 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Wuhan Institute of Biological Products Co.,Ltd will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Sinovac Research \& Development Co.,Ltd.

Biological: Experimental vaccine 1

Experimental Group 5

EXPERIMENTAL

92 subjects who completed primary immunization with inactivated COVID-19 vaccine manufactured by Wuhan Institute of Biological Products Co.,Ltd will receive one dose of booster immunization with inactivated COVID-19 vaccine manufactured by Wuhan Institute of Biological Products Co.,Ltd.

Biological: Experimental vaccine 3

Interventions

Inactivated COVID-19 vaccine manufactured by Sinovac Life Sciences Co., Ltd.600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection.

Experimental Group 1Experimental Group 2Experimental Group 4

Inactivated COVID-19 vaccine manufactured by Beijing Institute of Biological Products Co.,Ltd.4ug inactivated virus in 0.5 mL of aluminium hydroxide solution per injection.

Experimental Group 3

Inactivated COVID-19 vaccine manufactured by Wuhan Institute of Biological Products Co.,Ltd.200WU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection.

Experimental Group 5

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Adults aged 18-45;
  • Proven legal identity;
  • The subjects can understand and voluntarily sign the informed consent form and be willing to complete the study in accordance with the study plan;
  • Have completed two doses of SARS-CoV-2 inactivated vaccine vaccination for 6 to 8 months(the interval between the two doses vaccine of primary immunization is 21\~35 days, and the two doses vaccine of primary immunization should be manufactured by the same manufactures).

You may not qualify if:

  • History of SARS-CoV-2 infection(laboratory confirmed);
  • Have received inactivated SARS-CoV-2 vaccine from other manufacturers other than Sinovac Life Sciences Co., Ltd.,Beijing Institute of Biological Products Co.,Ltd.and Wuhan Institute of Biological Products Co.,Ltd.and received three and more doses of inactivated SARS-CoV-2 vaccine;
  • Severe adverse reactions, such as urticaria, dyspnea, and angioneurotic edema , occurred during the primary immunization;
  • Autoimmune disease such as systemic lupus erythematosus or immunodeficiency / immunosuppression such as AIDS, post-transplant;
  • 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;
  • 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 alcohol or drug abuse;
  • Receipt of blood products within in the past 3 months;
  • Receipt of other investigational drugs in the past 30 days;
  • Receipt of other investigational drugs in the past 30 days;
  • Receipt of attenuated live vaccines in the past 14 days;
  • Acute diseases or acute exacerbation of chronic diseases within 7 days prior to booster vaccination;
  • Axillary temperature \>37.0°C;
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Yanhe Tujia Autonomous County Center for Disease Control and Prevention

Tongren, Guizhou, 565300, China

Location

MeSH Terms

Conditions

COVID-19

Condition Hierarchy (Ancestors)

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

Study Officials

  • Qiuyue Mu, Master

    Guizhou Provincial Center for Disease Prevention and Control

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 20, 2021

First Posted

December 21, 2021

Study Start

December 20, 2022

Primary Completion

March 20, 2023

Study Completion

August 20, 2023

Last Updated

August 11, 2022

Record last verified: 2021-11

Locations