NCT05552573

Brief Summary

This is a randomized, blinded, positive-controlled study to evaluate the safety and immnunogenicity of Recombinant SARS-CoV-2 Vaccine (CHO Cell) LYB001, in population aged 18 years old and above. 100 subjects will be recruited in this study, including 50 aged 18-59 years old and 50 aged 60 years old and above.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P75+ for phase_1 covid19

Timeline
Completed

Started Jul 2022

Typical duration for phase_1 covid19

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

July 19, 2022

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

September 15, 2022

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 23, 2022

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 10, 2023

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2023

Completed
Last Updated

March 10, 2023

Status Verified

September 1, 2022

Enrollment Period

6 months

First QC Date

September 15, 2022

Last Update Submit

March 9, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • The incidence of adverse reactions (ARs)

    The incidence of adverse reactions (ARs) within 7 days after each vaccination

    Day 0-7 days after each vaccination

Secondary Outcomes (10)

  • The occurrence of adverse events

    Day 0-28 days after each vaccination

  • The incidences of serious adverse events (SAEs) and adverse events of special interest (AESIs)

    Day 0 to 12 months after dose1, dose2 and dose 3.

  • Laboratory safety measures: coagulation, blood biochemistry, complete blood count and urinalysis

    Day 3 after each vaccination.

  • Geometric neutralizing titers (GMT) of neutralizing antibody against SARS-CoV-2 wild strain and variants of concern(VOCs).

    Day 14 after the second dose, day 14 , day 28 ,month 3, month 6, month 12 after full vaccination.

  • Geometric mean fold rise(GMFR) of neutralizing antibody against SARS-CoV-2 wild strain and variants of concern(VOCs).

    Day 14 after the second dose, day 14, day 28, month 3, month 6, month 12 after full vaccination.

  • +5 more secondary outcomes

Other Outcomes (1)

  • Anti-VLP antibody levels

    Day 14, day 28, month 3, month 6, month 12 after full vaccination.

Study Arms (4)

Low-dose vaccine(18-59 years)

EXPERIMENTAL

3 doses of LYB001 or Recombinant COVID-19 Vaccine (CHO Cell) at the immunization schedule of 0, 28, 56 days. Vaccination or positve-controlled group will be randomly assigned to receive in a 4:1 ratio.

Biological: low-dose LYB001Biological: Recombinant COVID-19 Vaccine (CHO Cell)

Low-dose vaccine(60 years old and above)

EXPERIMENTAL

3 doses of LYB001 or Recombinant COVID-19 Vaccine (CHO Cell) at the immunization schedule of 0, 28, 56 days. Vaccination or positve-controlled group will be randomly assigned to receive in a 4:1 ratio.

Biological: low-dose LYB001Biological: Recombinant COVID-19 Vaccine (CHO Cell)

High-dose vaccine(18-59 years)

EXPERIMENTAL

3 doses of LYB001 or Recombinant COVID-19 Vaccine (CHO Cell) at the immunization schedule of 0, 28, 56 days. Vaccination or positve-controlled group will be randomly assigned to receive in a 4:1 ratio.

Biological: Recombinant COVID-19 Vaccine (CHO Cell)Biological: high-dose LYB001

High-dose vaccine(60 years old and above)

EXPERIMENTAL

3 doses of LYB001 or Recombinant COVID-19 Vaccine (CHO Cell) at the immunization schedule of 0, 28, 56 days. Vaccination or positve-controlled group will be randomly assigned to receive in a 4:1 ratio.

Biological: Recombinant COVID-19 Vaccine (CHO Cell)Biological: high-dose LYB001

Interventions

low-dose LYB001BIOLOGICAL

This vaccine is prepared through gene recombination and 3 doses of low-dose(30µg/0.5ml) LYB001 at the schedule of 0, 28, 56 days.

Low-dose vaccine(18-59 years)Low-dose vaccine(60 years old and above)

This vaccine is Positive-controlled vaccine and 3 doses (0.5ml) at the schedule of 0, 28, 56 days.

High-dose vaccine(18-59 years)High-dose vaccine(60 years old and above)Low-dose vaccine(18-59 years)Low-dose vaccine(60 years old and above)

This vaccine is prepared through gene recombination and 3 doses of high-dose(60µg/0.5ml) LYB001 at the schedule of 0, 28, 56 days.

High-dose vaccine(18-59 years)High-dose vaccine(60 years old and above)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged 18 years and above.
  • Participate the trial voluntarily and sign informed consent form.
  • Subjects are willing to comply with the requirements of the clinical trial protocol -and complete the study follow-up.
  • Armpit temperature ≤37.0℃ on the day of enrollment.
  • Novel Coronavirus (COVID-19) Antibody (IgG and IgM) was negative.

You may not qualify if:

  • Known allergy to investigational vaccine or its excipients, or previous history of anaphylactic shock or other serious adverse reactions to other vaccines
  • History of severe acute respiratory syndrome (SARS) and/or Middle East respiratory syndrome (MERS) infection or disease;
  • History of COVID-19, or close contact with a confirmed/suspected COVID-19 patient, or SARS-CoV-2 nucleic acid test was positive or antibody test (IgG, IgM) was positive;
  • Used antipyretic drugs, painkillers or anti-allergic drugs within 24 h before enrollment;
  • Has received COVID-19 vaccine;
  • vaccination of subunit vaccines and/or inactivated vaccines within 7 days before enrollment, or vaccination of live attenuated vaccines within 14 days before enrollment;
  • Administration of blood or blood related products (including immunoglobulins) within 3 months before enrollment; or plan to use during the trial;
  • Patients with the following diseases:
  • Any acute disease or in the acute phase of chronic diseases within 7 days before enrollment;
  • Congenital malformation or developmental disorder, genetic defect, severe malnutrition, etc.;
  • History of congenital or acquired immunodeficiency or autoimmune diseases, or long-term(used continuously\>14 days)use of glucocorticoid (dose ≥ 20 mg/day prednisone or equivalent dose) or other immunosuppressants within the last 6 months, yet the following situations are allowed to be included: inhaled or topical use of external steroids, or short-term use (course ≤ 14 days ) of oral corticosteroids;
  • Known diagnosis of or having infectious diseases, or positive for any one of HBsAg, anti-HCV antibody, anti-TP antibody or anti-HCV antibody;
  • Neurological diseases or family history (convulsion, epilepsy, encephalopathy, etc.); history of psychosis or family history;
  • Asplenia or functional asplenia;
  • Serious or uncontrollable cardiovascular diseases, diabetes, hematological and lymphatic diseases, immune system diseases, liver and kidney diseases, respiratory diseases, metabolism and bone diseases, or malignant tumors that need hospitalization;
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Jiangsu Provincial Center for Disease Control and Prevention

Nanjing, Jiangsu, 210000, China

Location

Related Publications (1)

  • Tang R, Zeng Y, Zhou Y, Liang Q, Kang W, Yang Z, Zheng X, Zang X, Pan H, Jin J, Zhu F. Safety and immunogenicity of the SARS-CoV-2 LYB001 RBD-based VLP vaccine (CHO cell) phase 1 in Chinese adults: a randomized, double-blind, positive-parallel-controlled study. Expert Rev Vaccines. 2024 Jan-Dec;23(1):498-509. doi: 10.1080/14760584.2024.2337051. Epub 2024 May 2.

MeSH Terms

Conditions

COVID-19

Condition Hierarchy (Ancestors)

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

Study Officials

  • Fengcai Zhu

    Jiangsu Provincial Center for Disease Control and Prevention

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 15, 2022

First Posted

September 23, 2022

Study Start

July 19, 2022

Primary Completion

January 10, 2023

Study Completion

December 1, 2023

Last Updated

March 10, 2023

Record last verified: 2022-09

Data Sharing

IPD Sharing
Will not share

Locations