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Safety and Immunogenicity of SARS-CoV-2 mRNA Vaccine (BNT162b2) in Chinese Healthy Population

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT04649021
Recruitment Status : Completed
First Posted : December 2, 2020
Last Update Posted : May 10, 2022
Sponsor:
Collaborator:
Shanghai Fosun Pharmaceutical Industrial Development Co. Ltd.
Information provided by (Responsible Party):
BioNTech SE

Study Description
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Brief Summary:
This is a phase II, randomized, placebo-controlled, observer-blinded study of the safety and immunogenicity of SARS-CoV-2 messenger RNA (mRNA) vaccine (BNT162b2) in Chinese healthy population. After randomization, the trial for each participant will last for approximately 13 months. Screening period is 2 weeks prior to randomization (Day -14 to Day 0), and two doses of either SARS-CoV-2 vaccine (BNT162b2) or placebo will be given intramuscularly (IM) separated by 21 days.

Condition or disease Intervention/treatment Phase
SARS-CoV-2 Biological: BNT162b2 Other: Placebo Phase 2

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 950 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
Official Title: Safety and Immunogenicity of SARS-CoV-2 mRNA Vaccine (BNT162b2) in Chinese Healthy Population: A Phase II, Randomized, Placebo-controlled, Observer-blinded Study
Actual Study Start Date : December 4, 2020
Actual Primary Completion Date : February 7, 2021
Actual Study Completion Date : January 9, 2022

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Vaccines

Arms and Interventions
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Arm Intervention/treatment
Experimental: BNT162b2 18-85 years of age Biological: BNT162b2
Intramuscular injection
Placebo Comparator: Placebo 18-85 years of age Other: Placebo
Intramuscular injection


Outcome Measures
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Primary Outcome Measures :
  1. SARS-CoV-2 serum neutralizing titers - Seroconversion rates (SCR) [ Time Frame: 1 Month after Dose 2 ]
    SCR of SARS-CoV-2 serum neutralizing titers at 1-month after dose 2. Seroconversion is defined as ≥4-fold rise from before vaccination to 1-month post dose 2.

  2. The geometric mean titer (GMT) of SARS-CoV-2 serum neutralizing titers at 1 month after dose 2 [ Time Frame: 1 Month after Dose 2 ]

Secondary Outcome Measures :
  1. SARS-CoV-2 serum neutralizing titers - SCR [ Time Frame: 1 Week, 6 and 12 Months after Dose 2 ]
    Compared with baseline before Vaccination 1, SCR of SARS-CoV-2 serum neutralizing titers at 1 week, 6 and 12 months after dose 2.

  2. SARS-CoV-2 serum neutralizing titers - GMT [ Time Frame: 1 Week, 6 and 12 Months after Dose 2 ]
    GMT of SARS-CoV-2 serum neutralizing titers at 1 week, 6 and 12 months after dose 2.

  3. SARS-CoV-2 anti-S1 immunoglobulin G (IgG) antibody level - SCR [ Time Frame: 1 Week, 1, 6 and 12 Months after Dose 2 ]
    Compared with baseline before Vaccination 1, SCR of SARS-CoV-2 anti-S1 IgG antibody level at 1 week, 1, 6 and 12 months after dose 2.

  4. SARS-CoV-2 anti-S1 IgG antibody level - GMT [ Time Frame: 1 Week, 1, 6 and 12 Months after Dose 2 ]
    GMT of SARS-CoV-2 anti-S1 IgG antibody level at 1 week, 1, 6 and 12 months after dose 2.

  5. SARS-CoV-2 serum neutralizing antibody level - Geometric mean fold rise (GMFR) [ Time Frame: 1 Week, 1, 6 and 12 Months after Dose 2 ]
    Compared with baseline before Vaccination 1, the GMFR of SARS-CoV-2 serum neutralizing antibody titers at 1 week, 1, 6 and 12 months after dose 2.

  6. SARS-CoV-2 anti-S1 IgG antibody level - GMFR [ Time Frame: 1 Week, 1, 6 and 12 Months after Dose 2 ]
    Compared with baseline before Vaccination 1, GMFR of SARS-CoV-2 anti-S1 IgG antibody level at 1 week, 1, 6 and 12 months after dose 2.

  7. Percentage of participants reporting local reactions [ Time Frame: Within 7 Days and 14 Days after each vaccination ]
    Pain at the injection site, redness, and swelling as self-reported on diary cards.

  8. Percentage of participants reporting systemic events [ Time Frame: Within 7 Days and 14 Days after each vaccination ]
    Fever, fatigue, headache, chills, vomiting, diarrhea, new or worsened muscle pain, and new or worsened joint pain as self-reported on diary cards.

  9. Hematology laboratory assessments [ Time Frame: Day 1 and 7 Days after Dose 1, before Dose 2, and 7 Days after Dose 2 ]
    Percentage of participants with abnormal hematology laboratory values 1 and 7 days after dose 1, before dose 2, and 7 days after dose 2.

  10. Chemistry laboratory assessments [ Time Frame: Day 1 and 7 Days after Dose 1, before Dose 2, and 7 Days after Dose 2 ]
    Percentage of participants with abnormal chemistry laboratory values 1 and 7 days after dose 1, before dose 2, and 7 days after dose 2.

  11. Hematology laboratory assessments [ Time Frame: Day 1 and 7 Days after Dose 1; and before Dose 2 and 7 Days after Dose 2 ]
    Percentage of participants with grading shifts in hematology laboratory assessments between baseline and 1 and 7 days after dose 1; and before dose 2 and 7 days after dose 2.

  12. Chemistry laboratory assessments [ Time Frame: Day 1 and 7 Days after Dose 1; and before Dose 2 and 7 Days after Dose 2 ]
    Percentage of participants with grading shifts in chemistry laboratory assessments between baseline and 1 and 7 days after dose 1; and before dose 2 and 7 days after dose 2.

  13. Adverse events (AEs) [ Time Frame: From Dose 1 through 1 Month after the last Dose ]
    AEs from dose 1 to 1 month after the last dose.

  14. Serious AEs (SAEs) [ Time Frame: From Dose 1 through 6 Months after the last Dose ]
    SAEs from dose 1 to 6 months after the last dose.


Eligibility Criteria
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Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 85 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Male or female participants between the ages of 18 and 85 years, inclusive, at randomization.
  • Participants who are willing and able to comply with all scheduled visits, vaccination plan, laboratory tests, lifestyle considerations, and other study procedures.
  • Healthy participants who are determined by medical history, physical examination (if required), and clinical judgment of the investigator to be eligible for inclusion in the study. Note: Healthy participants with preexisting stable disease, defined as disease not requiring significant change in therapy or hospitalization for worsening disease during the 6 weeks before enrollment, can be included.
  • Capable of giving personal signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form and this protocol.
  • SARS-CoV-2 antibody test screening is negative.
  • Negative SARS-CoV-2 test in throat swabs by reverse transcription-polymerase chain reaction (RT-PCR) (only for the first approximately 150 subjects).
  • Normal in chest computed tomography (CT) scans (no imaging features of coronavirus disease 2019 (COVID-19), only for the first approximately 150 subjects).

Exclusion Criteria:

  • Other medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study.
  • Known infection with human immunodeficiency virus (HIV), hepatitis C virus (HCV), or hepatitis B virus (HBV).
  • History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis) to any component of the study intervention(s).
  • Receipt of medications intended to prevent COVID-19.
  • Immunocompromised individuals with known or suspected immunodeficiency, determined by history and/or laboratory/physical examination.
  • Bleeding diathesis or condition associated with prolonged bleeding that would, in the opinion of the investigator, contraindicate intramuscular injection.
  • Women who are pregnant or breastfeeding.
  • Previous vaccination with any coronavirus vaccine.
  • Individuals who receive treatment with immunosuppressive therapy, including cytotoxic agents or systemic corticosteroids, eg, for cancer or an autoimmune disease, or planned receipt throughout the study. If systemic corticosteroids have been administered short term (<14 days) for treatment of an acute illness, participants should not be enrolled into the study until corticosteroid therapy has been discontinued for at least 28 days before study intervention administration. Inhaled/nebulized, intra-articular, intrabursal, or topical (skin or eyes) corticosteroids are permitted.
  • Receipt of blood/plasma products or immunoglobulin, from 60 days before study intervention administration or planned receipt throughout the study.
  • Participation in other studies involving study intervention within 28 days prior to study entry and/or during study participation.
  • Previous participation in other studies involving study intervention containing lipid nanoparticles.
  • Have had contact with confirmed COVID-19 patients or persons tested positive for SARS-CoV-2 within the 30 days prior to Screening Visit.
  • Travel or live in any country or region with a high SARS-CoV-2 infection risk (as defined at Screening Visit) within the 14 days prior to Screening Visit.
  • Symptoms of COVID-19, e.g., respiratory symptoms, fever, cough, shortness of breath and breathing difficulties.
  • Fever, defined as axillary temperature ≥37.3ºC or oral temperature ≥38ºC.
  • History of SARS, SARS-CoV-2 or middle east respiratory syndrome (MERS) infection. Suspected SARS patients should be screened for SARS antibodies.
  • Investigator site staff or Fosun employees directly involved in the conduct of the study, site staff otherwise supervised by the investigator, and their respective family members.
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04649021


Locations
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China
Jiangsu Provincial Center for Disease Control and Prevention
Jiangsu, China, 210009
Sponsors and Collaborators
BioNTech SE
Shanghai Fosun Pharmaceutical Industrial Development Co. Ltd.
Investigators
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Study Director: BioNTech Responsible Person BioNTech SE
More Information
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Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

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Responsible Party: BioNTech SE
ClinicalTrials.gov Identifier: NCT04649021    
Other Study ID Numbers: BNT162-06
First Posted: December 2, 2020    Key Record Dates
Last Update Posted: May 10, 2022
Last Verified: May 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by BioNTech SE:
Coronavirus Disease 2019
Coronavirus infection
Vaccine
 Protection against COVID-19
Covid19
SARS (Severe Acute Respiratory Syndrome)