NCT05075083

Brief Summary

Evaluation of immunogenicity and safety of the subjects aged 60 years and above with chronic bronchitis and chronic obstructive pulmonary disease recruited to receive the schedule of two doses inactivated COVID-19 vaccine with the interval of 21 days .

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
400

participants targeted

Target at P50-P75 for phase_4 covid19

Timeline
Completed

Started Oct 2021

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

First Submitted

Initial submission to the registry

October 4, 2021

Completed
4 days until next milestone

Study Start

First participant enrolled

October 8, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

October 12, 2021

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2022

Completed
Last Updated

October 22, 2021

Status Verified

October 1, 2021

Enrollment Period

9 months

First QC Date

October 4, 2021

Last Update Submit

October 20, 2021

Conditions

Outcome Measures

Primary Outcomes (3)

  • Seroconversion rate

    The rate of seroconversion against coronavirus

    28 days after the 2th dose (Day 49)

  • Baseline neutralizing antibody level

    Neutralizing antibody geometric mean titer(GMT) against coronavirus before vaccination

    Before vaccination (Day 0)

  • Neutralizing antibody level

    Neutralizing antibody GMT against coronavirus after the 2th dose

    28 days after the 2th dose (Day 49)

Secondary Outcomes (2)

  • Adverse events rate

    0-21days following vaccinations

  • Serious adverse event rate

    0-6 months

Study Arms (1)

Experimental Group

EXPERIMENTAL

A total 400 subjects receive two doses inactivated COVID-19 vaccine with the interval of 21 days

Biological: Inactivated COVID-19 vaccine

Interventions

receive two doses inactivated COVID-19 vaccine with the interval of 21 days

Experimental Group

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subjects aged 60 and above with full capacity for civil conduct;
  • Chronic bronchitis (or chronic obstructive pulmonary disease) diagnosed by a medical institution at level I or above;
  • Body temperature \< 37.3 ° C confirmed by clinical examination before enrollment ;
  • Able and willing to complete the entire study plan during the study follow-up period;
  • Have the ability to understand the study procedures, voluntarily sign informed consent, and comply with the requirements of the clinical study protocol

You may not qualify if:

  • Subjects were previously confirmed cases of COVID-19 or asymptomatic infected persons;
  • Subjects have history of vaccination against COVID-19;
  • Being allergic to any component of vaccines (including excipients) ;
  • Injection of non-specific immunoglobulin within 1 month before enrollment;
  • Injection of live attenuated vaccines within 1 month and injection of other vaccines within 14 days before enrollment;
  • Subjects who have experienced severe allergic reactions to vaccines (e.g. acute anaphylaxis, urticaria, angioneurotic edema, dyspnea, etc.);
  • Having uncontrolled epilepsy and other progressive neurological disorders and a history of Guillain-Barre syndrome;
  • Having severe liver and kidney diseases, malignant tumors, acute diseases or acute episodes of chronic diseases;
  • Have been diagnosed with congenital or acquired immunodeficiency, HIV infection, lymphoma, leukaemia or other autoimmune diseases;
  • Have been diagnosed with thrombocytopenia or other clotting disorders that may contraindicate subcutaneous injection;
  • During an acute episode of chronic bronchitis/chronic obstructive pulmonary disease;
  • Subjects who had vaccine-related adverse reactions after the first dose;
  • Having high fever (axillary temperature ≥39.0℃) for three days after the first dose of inoculation, or severe allergic reaction;
  • Having any adverse nervous system reaction after the first dose;
  • During the acute onset of a chronic disease, or the recovery of acute complications less than two weeks;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhejiang provincial center for disease control and prevention

Hangzhou, Zhejiang, 310051, China

RECRUITING

MeSH Terms

Conditions

COVID-19Bronchitis, ChronicPulmonary Disease, Chronic Obstructive

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract DiseasesBronchitisBronchial DiseasesLung Diseases, ObstructiveChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Hanqing He

    Zhejiang Provincial Center for Disease Control and Prevention

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Model Details: subjects aged ≥60 with chronic bronchitis and COPD receive two doses inactivated COVID-19 vaccine
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 4, 2021

First Posted

October 12, 2021

Study Start

October 8, 2021

Primary Completion

June 30, 2022

Study Completion

June 30, 2022

Last Updated

October 22, 2021

Record last verified: 2021-10

Data Sharing

IPD Sharing
Will not share

Locations