NCT05352867

Brief Summary

Phase Ⅱ Clinical Trial to Evaluate the Safety and Immunogenicity of the New Coronavirus mRNA Vaccine (LVRNA009) in Chinese People Aged 18\~59 Years

Trial Health

87
On Track

Trial Health Score

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

Enrollment
420

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Mar 2022

Shorter than P25 for phase_2

Geographic Reach
1 country

2 active sites

Status
completed

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

March 16, 2022

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

April 25, 2022

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 29, 2022

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 23, 2022

Completed
12 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 21, 2023

Completed
Last Updated

September 6, 2023

Status Verified

September 1, 2023

Enrollment Period

3 months

First QC Date

April 25, 2022

Last Update Submit

September 4, 2023

Conditions

Outcome Measures

Primary Outcomes (2)

  • Level of SARS-CoV-2 novel coronavirus S protein antibody (IgG)

    28 days after full-vaccination

  • Level of SARS-CoV-2 novel coronavirus neutralizing antibodies

    28 days after full-vaccination

Secondary Outcomes (12)

  • Incidence of adverse events

    14 days and 28 days after each dose of vaccination

  • Incidence of adverse events associated with the experimental vaccine

    14 days and 28 days after each dose of vaccination

  • Incidence of SAEs

    28 days, 3 months, 6 months and 12 months after first vaccination to full vaccination

  • Incidence of SAEs associated with the experimental vaccine

    28 days, 3 months, 6 months and 12 months after first vaccination to full vaccination

  • Incidence of grade ≥3 adverse events

    28 days after each dose or full vaccination

  • +7 more secondary outcomes

Study Arms (3)

50μg group

EXPERIMENTAL
Biological: SARS-CoV-2 (LVRNA009) 50μg group

100μg group

EXPERIMENTAL
Biological: SARS-CoV-2 (LVRNA009) 100μg group

Placebo

PLACEBO COMPARATOR
Other: Placebo

Interventions

50μg/person

50μg group

100μg/person

100μg group
PlaceboOTHER

0.5ml/person

Placebo

Eligibility Criteria

Age18 Years - 59 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • The age at the time of the first dose of the vaccine is 18-59 years old, and the gender is not limited;
  • The subject has full capacity for civil conduct;
  • Axillary body temperature is less than 37.3 ℃ on the day of enrollment;
  • Subjects have independent judgment ability, can read, understand and complete vaccination diary cards, and they participate voluntarily and sign an informed consent form.

You may not qualify if:

  • The subject has a history of contact with a person infected with SARS-CoV-2 (positive nucleic acid test) or a person suspected of being infected within 14 days;
  • Have a history of severe allergies to any vaccines, foods, and drugs, such as urticaria, anaphylactic shock, skin eczema, allergic dyspnea, angioedema, etc.;
  • The subject has a history of hypersensitivity to any component of the study vaccine (SARS-CoV-2 mRNA, Dlin-MC3-DMA, cholesterol, distearoylphosphatidylcholine, PEG2000-DMG, phosphate buffer);
  • Have a history of SARS virus infection;
  • Those with a medical history or family history of epileptic convulsions or convulsions, neurological diseases and mental diseases;
  • There is a history of thrombocytopenia or other coagulation disorders diagnosed by the hospital before enrollment;
  • The investigator judges that they are known or suspected to suffer from more serious diseases at the same time, including: respiratory diseases, tuberculosis, acute infection or active chronic disease, liver and kidney disease, cardiovascular disease (cardiopulmonary failure), and drug-uncontrollable hypertension (systolic blood pressure ≥ 160 mmHg, diastolic blood pressure ≥ 100 mmHg), malignant tumor, infection or allergic skin disease, HIV infection (test report can be provided);
  • Congenital malformations, developmental disorders, or chronic diseases (such as Down's syndrome, diabetes, sickle cell anemia or neurological disorders, Guillain-Barré syndrome) determined by the investigator to be unsuitable for participating in this research;
  • Those with known immunological impairment or low function diagnosed by the hospital before enrollment;
  • There is evidence that he is a smoker, alcohol abuser and drug abuser;
  • Positive SARS-CoV-2 nucleic acid test results and/or positive antibody test results before the first dose of vaccination;
  • Female: a person with a positive urine pregnancy test, who is pregnant, breastfeeding, or has a pregnancy plan within 1 year; male: a person whose spouse has a pregnancy plan within 1 year;
  • Any other investigational or unregistered product (drug, biological product, or device) is being used before the first dose of vaccine, or is planned to be used during the study;
  • Those who received immune enhancement or immunosuppressive therapy within 6 months before the first dose of vaccine (continuous oral or infusion for more than 14 days);
  • Has been diagnosed with congenital or acquired immunodeficiency, or suspected of having a systemic disease that may interfere with the conduct or completion of the study, such as: tuberculosis, hepatitis B, hepatitis C, human immunodeficiency virus (HIV); ), syphilis infection, etc.;
  • +6 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Outpatient Department of Hunan Provincial Center For Disease Control And Prevention

Changsha, Hunan, 410028, China

Location

Xiangtan Center For Disease Control And Prevention

Xiangtan, Hunan, 411228, China

Location

MeSH Terms

Interventions

LVRNA009 COVID-19 vaccinePopulation Groups

Intervention Hierarchy (Ancestors)

DemographyPopulation Characteristics

Study Officials

  • Tao Huang

    Hunan Provincial Center for Disease Control and Prevention

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 25, 2022

First Posted

April 29, 2022

Study Start

March 16, 2022

Primary Completion

June 23, 2022

Study Completion

June 21, 2023

Last Updated

September 6, 2023

Record last verified: 2023-09

Locations