NCT04982068

Brief Summary

The purpose of this double-blind, randomized, controlled study is to assess safety, reactogenicity, and preliminary immunogenicity of 202-CoV at multiple dose levels, administered as 2 injections (i.m) at 28 days apart in adult subjects 18 years of age 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
72

participants targeted

Target at P50-P75 for phase_1 covid19

Timeline
Completed

Started Jul 2021

Longer than P75 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 12, 2021

Completed
14 days until next milestone

First Submitted

Initial submission to the registry

July 26, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

July 29, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 31, 2021

Completed
1.6 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2023

Completed
Last Updated

April 19, 2023

Status Verified

April 1, 2023

Enrollment Period

4 months

First QC Date

July 26, 2021

Last Update Submit

April 18, 2023

Conditions

Outcome Measures

Primary Outcomes (2)

  • Incidence of solicited adverse events (AEs) after vaccination

    Percentage of participants with solicited AEs (local, systemic) for 7 days following each primary vaccination (Days 0, 28) by intensity, relevance.

    7 days after the first or second vaccination

  • Incidence of unsolicited AEs after vaccination

    Percentage of participants with unsolicited AEs for 28 days following each vaccination

    Frame: Day 0 to Day 56

Secondary Outcomes (6)

  • Incidence of serious AEs (SAEs) and adverse events of special interest (AESIs)

    Day 0 to Month 13

  • Proportion of subjects with abnormal markers of hematology, biochemistry, urinalysis and coagulation parameters

    Day 4 after first or second vaccination

  • Geometric mean titer (GMT) of SARS-CoV-2 neutralising antibodies

    Day0, Day28, Day42 and Day56

  • Seroconversion rate (SCR) of SARS-CoV-2 neutralising antibodies

    Day0, Day28, Day42 and Day56

  • Geometric mean titer (GMT) of Serum IgG Antibody Levels

    Day0, Day28, Day42 and Day56

  • +1 more secondary outcomes

Study Arms (8)

Adult Group 1a

EXPERIMENTAL

Adult healthy subjects (18 to 59 years of age, inclusive) receive 202-CoV low adjuvant dose at Day 0 and Day 28

Biological: 202-CoV low adjuvant dose

Adult Group 1b

EXPERIMENTAL

Adult healthy subjects (18 to 59 years of age, inclusive) receive 202-CoV low antigen dose at Day 0 and Day 28

Biological: 202-CoV low antigen dose

Adult Group 1c

EXPERIMENTAL

Adult healthy subjects (18 to 59 years of age, inclusive) receive 202-CoV standard dose at Day 0 and Day 28

Biological: 202-CoV standard dose

Adult Placebo

PLACEBO COMPARATOR

Adult healthy subjects (18 to 59 years of age, inclusive) receive 2 doses of placebo (saline) at Day 0 and Day 28

Other: Placebo

Elderly Group 1d

EXPERIMENTAL

Adult healthy subjects (60 years of age and above) receive 202-CoV low adjuvant dose at Day 0 and Day 28

Biological: 202-CoV low adjuvant dose

Elderly Group 1e

EXPERIMENTAL

Adult healthy subjects (60 years of age and above) receive 202-CoV low antigen dose at Day 0 and Day 28

Biological: 202-CoV low antigen dose

Elderly Group 1f

EXPERIMENTAL

Adult healthy subjects (60 years of age and above) receive 202-CoV standard dose at Day 0 and Day 28

Biological: 202-CoV standard dose

Elderly Placebo

PLACEBO COMPARATOR

Adult healthy subjects (60 years of age and above) receive 2 doses of placebo (saline) at Day 0 and Day 28

Other: Placebo

Interventions

standard dose of 202-CoV with low dose CpG / alum adjuvant

Adult Group 1aElderly Group 1d

low dose 202-CoV with CpG / alum adjuvant

Adult Group 1bElderly Group 1e

standard dose 202-CoV with CpG / alum adjuvant

Adult Group 1cElderly Group 1f
PlaceboOTHER

Normal saline solution

Adult PlaceboElderly Placebo

Eligibility Criteria

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

You may qualify if:

  • Healthy individuals aged 18-59 years as well as 60 years and above who can provide legal identification (males and females are both required).
  • Willing to participate in the study with informed consent prior to screening
  • Negative in SARS-CoV-2 IgG and IgM test at screening.
  • Women of childbearing potential must be using effective method of birth control for 14 days prior to the enrollment of the study vaccine/placebo and must agree to continue such precautions during the study until 30 days after the second dose of the study vaccine/placebo.
  • Male subjects must agree to employ acceptable contraception from the day of first dose of the study vaccine/placebo until 30 days after the second dose of the study vaccine/placebo.

You may not qualify if:

  • Confirmed or asymptomatic COVID-19 cases or SARS-CoV-2 infection(had positive in SARS-CoV-2 nucleic acid test or serological test).
  • Had a history of traveling or residence in domestic area of high and moderate pandemic risk, overseas or epidemic areas, or had a history of contact with confirmed, asymptomatic or suspected COVID-19 cases within the past 14 days;
  • History of SARS;
  • Received SARS-CoV-2 vaccines for emergency use or approved SARS-CoV-2 vaccines;
  • Individuals involving a clinical study within 6 months prior to the screening visit; or planning to participate in another clinical study during study period.
  • Clinical laboratory abnormalities and with clinical significance judged by investigator
  • Individual's systolic blood pressure ≥ 150mmHg and/or diastolic blood pressure ≥ 100mmHg at screening visit
  • Axillary temperature \>=37.3℃ prior to vaccination
  • Individuals in other acute diseases, or in the acute phase of chronic diseases within 3 days prior to the signing of the informed consent form.
  • Received immunoglobulin and/or blood product 3 months prior to the first vaccination.
  • Presence of uncontrolled chronic pulmonary, cardiovascular, renal, hepatic, neurologic, hematologic or metabolic (including diabetes mellitus) disorders, which would include the potential subject in a high-risk category for SARS-CoV-2 infection and/or its complications as judged by the investigator..
  • Individuals with a history of severe allergic reaction (throat swelling, difficult in breath, dyspnea, or shock).
  • Individuals who have a history of severe adverse reaction associated with a vaccine or severe allergic reaction \[e.g., anaphylaxis to any component of the study vaccines (S protein, Aluminum hydroxide, CpG adjuvant).
  • Any autoimmune or immunodeficiency disease/condition \[e.g. human immunodeficiency virus (HIV) infection, Systemic lupus erythematosus (SLE)\]
  • Received immunoglobulin, blood-derived products within 3 months prior to the first study vaccination.
  • +3 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Xiangcheng Center for Disease Control and Prevention

Xuchang, China

Location

Related Publications (1)

  • Liu H, Zhou C, An J, Song Y, Yu P, Li J, Gu C, Hu D, Jiang Y, Zhang L, Huang C, Zhang C, Yang Y, Zhu Q, Wang D, Liu Y, Miao C, Cao X, Ding L, Zhu Y, Zhu H, Bao L, Zhou L, Yan H, Fan J, Xu J, Hu Z, Xie Y, Liu J, Liu G. Development of recombinant COVID-19 vaccine based on CHO-produced, prefusion spike trimer and alum/CpG adjuvants. Vaccine. 2021 Nov 26;39(48):7001-7011. doi: 10.1016/j.vaccine.2021.10.066. Epub 2021 Oct 30.

MeSH Terms

Conditions

COVID-19

Condition Hierarchy (Ancestors)

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

Study Design

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

Study Record Dates

First Submitted

July 26, 2021

First Posted

July 29, 2021

Study Start

July 12, 2021

Primary Completion

October 31, 2021

Study Completion

June 1, 2023

Last Updated

April 19, 2023

Record last verified: 2023-04

Locations