Efficacy and Safety of COVID-19 Vaccine as Booster Vaccination in Adults 18 Years of Age or Older

NCT05683600
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Phase
Phase 3
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Recruitment status
Terminated
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Participants
3,000
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Lead sponsor
Guangzhou Patronus Biotech Co., Ltd.
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Start date
2022-12-29
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Number of sites
2
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Summary
This is an international multicenter clinical trial, which is planned to be conducted in several research centers in China and Pakistan. A randomized, double-blind, placebo-controlled design will be conducted to evaluate the efficacy, safety of LYB001 against COVID-19 as a booster dose in China.
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Short title
Efficacy and Safety of COVID-19 Vaccine as Booster Vaccination in Adults 18 Years of Age or Older
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Official title
A Multicentre, Randomized, Double-blinded, Placebo-controlled Phase III Clinical Trial to Evaluate the Efficacy and Safety of Recombinant SARS-CoV-2 Vaccine (CHO Cell) LYB001 as Booster Vaccination in Adults 18 Years of Age or Older
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Control arm
Active comparator
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Registry reports results
No
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Listing at source
Listed
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Recruitment status
Terminated
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Phase
Phase 3
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Study type
Interventional
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Reason stopped
According to the development of the novel coronavirus epidemic situation and the company's R\&D decision
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Completion date
2023-07-12
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First posted
2023-01-13
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Registry last updated
2023-09-28
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Primary completion date
2023-07-12
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Start date
2022-12-29
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Actual participants
3,000
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Participants
3,000
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Participant count basis
Actual
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Protocol amendments
0
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Randomisation ratio
1:1
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Number of sites
2
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Data monitoring committee
Yes
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Registry sponsor category
Industry
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Lead sponsor
Guangzhou Patronus Biotech Co., Ltd.
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Source registry
ClinicalTrials.gov
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Registry ID
NCT05683600
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ClinicalTrials.gov ID
NCT05683600
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Registry record
Open registry record
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Allocation
Randomised
Model
Parallel groups
Purpose
Prevention
Masking
Double masking
Masked roles
Participants, Investigators
Sources for study design
clinicaltrials.gov

  1. First occurrence of confirmed symptomatic COVID-19 incidence rate per person-years of follow-up

    Timeframe: From 14 days after the booster dose

    First occurrence of confirmed symptomatic COVID-19 incidence rate from 14 days after the booster dose per person-years of follow-up;

  1. The occurrence of adverse events

    Timeframe: The occurrence of adverse events within 30 mins,7 days and 28 days after each vaccination

    The occurrence of adverse events within 30 mins,7 days and 28 days after each vaccination

  2. The occurrence of serious adverse events (SAEs) and adverse events of special interest (AESIs)

    Timeframe: Day 0 to 12 months after vaccination

    The occurrence of serious adverse events (SAEs) and adverse events of special interest (AESIs) within 12 months after vaccination

  3. First occurrence of confirmed severe, critical, and fatal COVID-19 incidence per person-years of follow-up

    Timeframe: From 14 days after the booster

    First occurrence of confirmed severe, critical, and fatal COVID-19 incidence from 14 days after the booster dose per person-years of follow-up

Sources for outcomes
clinicaltrials.gov

Sex
All
Age groups
Adults, Older adults
Minimum age
18 Years
Healthy volunteers
Yes

  • Healthy subjects aged 18 years and older, including both males and females;
  • Subjects who agree to participate in this clinical trial voluntarily and sign the informed consent form, are capable of providing valid identification, understanding and complying with the requirements of the clinical protocol.
  • Subjects who have been vaccinated with two-dose or three-dose inactivated COVID-19 vaccine for 6-18 months (including boundary values).
  • For female participants of childbearing potential, effective contraception measures should be used within 2 weeks prior to participation in this study and the results of pregnancy test is required to be negative. Participants should voluntarily agree to use effective contraceptive measures from the time of signing the informed consent form to the end of the study (effective contraceptive measures including oral contraceptives (excluding emergency contraceptives), injectable or implantable contraceptives, sustained-release topical contraceptives, hormonal patches, intrauterine device, sterilization, abstinence, condoms (for males), diaphragms, cervical caps, etc.).

  • Receipt of any COVID-19 vaccines other than inactivated COVID-19 vaccine;

  • Systolic blood pressure ≥160 mmHg and/or diastolic blood pressure ≥100 mmHg (for subjects with poorly controlled blood pressure);

  • Axillary body temperature ≥ 37.3°C prior to enrolment;

  • Known allergy, or history of anaphylaxis or other serious adverse reactions to vaccines or their excipients;

  • History of severe acute respiratory syndrome (SARS) or Middle East respiratory syndrome (MERS);

  • History of COVID-19, or positive results for SARS-CoV-2 nucleic acid or antigen tests at screening;

  • Receipt of any live attenuated vaccine within 28 days prior to vaccination, and other vaccines such as subunit and inactivated vaccine within 14 days prior to vaccination;

  • Receipt of blood or blood-related products, including immunoglobulins, monoclonal antibodies, within 3 months prior to vaccination; or any planned use during the study period.

  • Subjects with the following diseases:

    1. Any acute diseases or acute attacks of chronic diseases within 7 days prior to enrolment；
    2. Congenital malformations or developmental disorders, genetic defects, severe malnutrition, etc.；
    3. Congenital or acquired immunodeficiency or autoimmune disease, or long-term receipt (>14 consecutive days) of glucocorticoid (reference value for dose: ≥20 mg/day prednisone or equivalent) or other immunosuppressive agents within the past 6 months, with exception of inhaled or topical steroids, or short-term use (≤14 consecutive days) of oral corticosteroids；
    4. Currently suffering from or diagnosed with infectious diseases, such as hepatitis B, hepatitis C, syphilis, AIDS etc.；
    5. History or family history of neurological disorders (convulsions, epilepsy, encephalopathy, etc.) or psychiatric disorders；
    6. Asplenia, or functional asplenia；
    7. Presence of severe, uncontrollable or hospitalized cardiovascular diseases, endocrine diseases, blood and lymphatic diseases, immune diseases, liver and kidney diseases, respiratory diseases, metabolic and skeletal diseases, or malignant tumors;
    8. Contraindications to IM injections and blood draws, such as coagulation disorders, thrombotic or bleeding disorders, or conditions that needs continuous anticoagulant usage.

  • Drug or alcohol abuse (alcohol intake ≥ 14 units per week) which in the investigator's opinion would compromise the participant's safety or compliance with the study procedures;

  • Pregnant or lactating females;

  • Having participated or participating in COVID-19 related clinical trials, and those participating or planning to participate in other clinical trials during the study period;

  • Presence of any underlying disease or condition which, in the opinion of the investigator, may place the subject at unacceptable risk, is unable to meet the requirements of the protocol, or interfere with the assessment of vaccine response.

Sources for eligibility
clinicaltrials.gov

  • Bishan District People's Hospital,ChongqingChongqing, China
  • Shandong Provincial Center for Disease Control and PreventionJinan, China
Sources for sites
clinicaltrials.gov

Related records

Drugs (1)

Collaborators (1)

Lead sponsors (1)

Conditions (1)

Targets (1)