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Safety of an Inactivated SARS-CoV-2 Vaccine for Prevention of COVID-19 in Children and Adolescents

Safety Observation of the Inactivated SARS-CoV-2 Vaccine (Vero Cell) in Population Aged 3~17 Years : A Multicenter,Open-label Study

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04992208
Enrollment
31041
Registered
2021-08-05
Start date
2021-07-24
Completion date
2023-08-31
Last updated
2023-09-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Brief summary

This study is a multi-center and open design, phase Ⅳ clinical trial of an inactivated SARS-CoV-2 vaccine (CoronaVac) manufactured by Sinovac Research and Development Co., Ltd.The purpose of this study is to evaluate the safety of the SARS-CoV-2 Inactivated vaccine in population aged 3\ 17 years and in people with pre-existing disease to provide reference for improving the immunization strategy of COVID-19 vaccine.

Detailed description

This study is a multi-center and open design, phase Ⅳ clinical trial in population aged 3\ 17 years . The experimental vaccine will be manufactured by Sinovac Research and Development Co.,Ltd.The study is planned to be carried out in 11 provinces from August 2021 to December 2022, including Liaoning, Heilongjiang, Anhui, Fujian, Jiangxi, Hubei, Guangxi, Chongqing, Guizhou, Yunnan and Gansu. Each province will serve as a research center, and each research center will select the corresponding research site.A total of 33000 subjects including patients with pre-existing will be enrolled with 3000 for each research center, including 600 subjects aged 3\ 5years,1200 subjects aged 6\ 11 years,1200 subjects aged 12\ 17 years. And subjects will receive two doses of vaccine on day 0 and day 28.

Interventions

BIOLOGICALExperimental Group

SARS-CoV-2 Inactivated Vaccine 600SU inactivated virus in 0·5 mL of aluminium hydroxide solution per injection

Sponsors

Sinovac Life Sciences Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
3 Years to 17 Years
Healthy volunteers
Yes

Inclusion criteria

* Have not received any COVID-19 vaccine in the past or at least one dose of CoronaVac manufactured by Sinovac Research and Development Co.,Ltd; * Population aged 3\ 17 years ; * The subjects can understand and voluntarily sign the informed consent form and participate in the follow-up;

Exclusion criteria

* History of severe allergy to the vaccine such as acute allergic reaction,angioedema and dyspnea ; * Severe neurological disease such as Myelitis transverse,Guillain-Barre Syndrome and demyelinating disorders; * Acute disease,acute onset of chronic disease and severe chronic diseases.

Design outcomes

Primary

MeasureTime frameDescription
Safety index 1-incidence of adverse reactionsWithin 0~7 days after each doseIncidence rate of adverse reactions within 0\ 7 days after each dose in all populations.

Secondary

MeasureTime frameDescription
Safety index 2-incidence of adverse reactionsWithin 0-28 days after each dose vaccinationIncidence rate of adverse reactions within 0\ 28 days after each dose in all populations
Safety index 3-incidence of adverse reactionsWithin 0~7 days after each dose vaccinationIncidence of adverse reactions within 0\ 7 days after each dose in each age group
Safety index 4-incidence of adverse reactionsWithin 0~28 days after each dose vaccinationIncidence rate of adverse reactions within 0\ 28 days after each dose in each age group
Safety index 5-incidence of adverse reactionsWithin 0~7 days after each dose vaccinationIncidence of adverse reactions within 0\ 7 days after each dose in the population with pre-existing disease.
Safety index 6-incidence of adverse reactionsWithin 0~28 days after each dose vaccinationIncidence of adverse reactions within 0\ 28 days after each dose in the population with pre-existing disease.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 12, 2026