A Clinical Trial of 23-valent Pneumococcal Polysaccharide Vaccine

NCT ID: NCT04989465

Last Updated: 2022-08-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

600 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-09-10

Study Completion Date

2021-09-13

Brief Summary

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This an open phase Ⅳ clinical trial of 23-valent pneumococcal polysaccharide vaccine manufactured by Sinovac Biotech Co., Ltd.The purpose of this study is to evaluate the immunity persistence after single dose of 23-valent pneumococcal polysaccharide vaccine.

Detailed Description

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This study is an open phase Ⅳ clinical trial to evaluate the immunity persistence after single dose of 23-valent pneumococcal polysaccharide vaccine.The experimental vaccine was manufactured by Sinovac Biotech Co., Ltd,the control vaccine was manufactured by Chengdu Institute of Biological products Co., Ltd..A total of 600 subjects including 450 subjects in the experimental group and 150 subjects in the control group who participated in the second stage of phase Ⅲ clinical trial (PPS)will be enrolled .Based on the age at the time of enrollment in the phase Ⅲ study, there will be 150 participants in each age group (2-17 years old group, 18-60 years old group and ≥61 years old) in the experimental group and 50 participants in each age group in the control group .3.0-3.5ml of venous blood will be collected from all subjects after enrollment.

Conditions

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Pneumococcal Infections

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Experimental Group

450 Participants (including 150 subjects aged 2\~17 years, 150 subjects aged18\~60 years and 150 subjects aged 61years and older ) received one dose of 23-valent pneumococcal polysaccharide vaccine manufactured by Sinovac Biotech Co., Ltd will be collected venous blood about 3.0\~3.5 ml.

Group Type EXPERIMENTAL

Investigational 23-valent PPV

Intervention Type BIOLOGICAL

The investigational vaccine was manufactured by Sinovac Biotech Co., Ltd.25μg each for serotypes 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F, and 33F in 0·5 mL of sodium chloride, sodium dihydrogen phosphate and disodium hydrogen phosphate per injection

Control Group

150 Participants (including 50 subjects aged 2\~17 years, 50 subjects aged18\~60 years and 50 subjects aged 61years and older ) received one dose of 23-valent pneumococcal polysaccharide vaccine manufactured by Chengdu Institute of Biological Products will be collected venous blood about 3.0\~3.5 ml.

Group Type PLACEBO_COMPARATOR

Control 23-valent PPV

Intervention Type BIOLOGICAL

The control vaccine was manufactured by Chengdu Institute of Biological products Co., Ltd. 25μg each for serotypes 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F, and 33F in 0·5 mL of light disodium phenol phosphate, sodium hydrogen phosphate and sodium chloride per injection

Interventions

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Investigational 23-valent PPV

The investigational vaccine was manufactured by Sinovac Biotech Co., Ltd.25μg each for serotypes 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F, and 33F in 0·5 mL of sodium chloride, sodium dihydrogen phosphate and disodium hydrogen phosphate per injection

Intervention Type BIOLOGICAL

Control 23-valent PPV

The control vaccine was manufactured by Chengdu Institute of Biological products Co., Ltd. 25μg each for serotypes 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F, and 33F in 0·5 mL of light disodium phenol phosphate, sodium hydrogen phosphate and sodium chloride per injection

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Subjects who participated in the second stage of phase Ⅲ clinical trial (PPS);
* The subjects and/or guardians can understand and voluntarily sign the informed consent form (For subjects aged 8-17 years, both subjects and guardians need to sign the informed consent form);
* Proven legal identity.

Exclusion Criteria

* Have received any pneumococcal vaccine after participating the phase III clinical trial of 23-valent pneumococcal polysaccharide vaccine ;
* History of invasive disease caused by streptococcus pneumoniae after participating the phase III clinical trial of 23-valent pneumococcal polysaccharide vaccine;
* Autoimmune disease or immunodeficiency / immunosuppression was known after participating the phase III clinical trial of 23-valent pneumococcal polysaccharide vaccine;
* History of immunosuppressive therapy after participating the phase III clinical trial of 23-valent pneumococcal polysaccharide vaccine;
* According to the investigator's judgment, the subject has any other factors that are not suitable for participating in the clinical trial.
Minimum Eligible Age

2 Years

Maximum Eligible Age

110 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Sinovac Biotech Co., Ltd

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Lili Huang, Master

Role: PRINCIPAL_INVESTIGATOR

Henan Provincial Center for Disease Prevention and Control

Locations

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Kaifeng County Center for Disease Control and Prevention

Kaifeng, Henan, China

Site Status

Countries

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China

Other Identifiers

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PRO-PPV-4001

Identifier Type: -

Identifier Source: org_study_id

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