Status:

UNKNOWN

A PhaseⅡ Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine

Lead Sponsor:

CNBG-Virogin Biotech (Shanghai) Ltd.

Conditions:

SARS-CoV-2 Infection

Eligibility:

All Genders

18-99 years

Phase:

PHASE2

Brief Summary

To evaluate the immunogenicity and safety of a COVID-19 mRNA vaccine (ZSVG-02-O) in a healthy population aged 18 years and older.

Detailed Description

This study uses a randomized, blinded and controlled design, with age stratification of 18-59 years and ≥60 years , including the test vaccine at different doses (30 μg and 60 μg) and an active contro...

Eligibility Criteria

Inclusion

  • Inclusion Criteria:
  • Healthy male or female subjects aged ≥18 years of age;
  • Subjects who are in good physical condition as judged by the investigator based on medical history, physical examination and clinical laboratory tests;
  • Subjects who have not been previously vaccinated with a Covid-19 vaccine or who have received the last dose (total dose ≤ 3 doses) of a Covid-19 vaccine at least 6 months ago;
  • Subjects who have not been previously infected with Covid-19, or whose nucleic acid or antigen test has turned negative for more than 3 months after previous Covid-19 infection;
  • Subjects are able to understand the study procedures, have provide written informed consent, and are able to comply with the requirements of the clinical study protocol.
  • Exclusion criteria
  • Axillary temperature ≥37.3°C;
  • Positive polymerase chain reaction (PCR) test results within the last 48 hours;
  • Women of childbearing potential with a positive urine pregnancy test result, or who are pregnant or breastfeeding, or who have not used effective contraception within 2 weeks prior to enrolment, or women and men who plan to have children within 12 months after full immunisation;
  • History of epilepsy, convulsions or seizures, psychosis or family history of psychosis;
  • Have a history of severe allergy to any medication or vaccination (e.g. acute allergic reaction, urticaria, skin eczema, dyspnoea, angioneurotic oedema, or abdominal pain) or allergy to known components of a Covid-19 vaccine;
  • Have a history of hospital-diagnosed thrombocytopenia or other coagulation disorders;
  • Have a history of hospital-diagnosed known immunological impairment or hypofunction;
  • Subjects who have received whole blood, plasma or immunoglobulin therapy within 3 months;
  • Known or suspected concomitant serious diseases, including: respiratory diseases, acute infections or active chronic diseases, liver and kidney diseases, severe diabetes, malignant tumours, infectious or allergic skin diseases, and HIV infection (with test report);
  • Have serious cardiovascular diseases, cardiopulmonary failure, hypertension that cannot be controlled by medication (systolic blood pressure ≥ 140mmHg and/or diastolic blood pressure ≥ 90mmHg on physical examination);
  • Received live attenuated vaccine within 1 month prior to vaccination or other vaccines within 14 days prior to vaccination;
  • Participation in a clinical trial of another drug within 3 months prior to the first dose of vaccine or planning to participate in a clinical trial of another drug during the study period;
  • Any other conditions that the investigator considers inappropriate for participation in this study.

Exclusion

    Key Trial Info

    Start Date :

    July 10 2023

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    October 1 2024

    Estimated Enrollment :

    980 Patients enrolled

    Trial Details

    Trial ID

    NCT06113731

    Start Date

    July 10 2023

    End Date

    October 1 2024

    Last Update

    November 8 2023

    Active Locations (2)

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    Page 1 of 1 (2 locations)

    1

    Dengfeng Centre for Disease Control and Prevention and Control

    Songyang, Henan, China

    2

    Henan Provincial Centre for Disease Control and Prevention

    Zhengzhou, Henan, China