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A Study to Evaluate Persistence of Immunity of PCV13 in Healthy Population Aged 2 Months,7 Months-5 Years

Phase 4
Completed
Conditions
Pneumonia
Interventions
Biological: PCV13
Registration Number
NCT06210737
Lead Sponsor
Beijing Minhai Biotechnology Co., Ltd
Brief Summary

The goal of this clinical trial is to learn about persistence of immunity of PCV13 in healthy population aged 2 months, 7 months-5 years. The main questions it aims to answer are the percentage of subjects reached the IgG level of ≥0.35 µg/mL, GMCs level for IgG antibody, and SAEs from one month to 12 months after the last injection.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
621
Inclusion Criteria
  • Those who have participated in the Phase III clinical study of Beijing Minhai PCV13 and have been fully vaccinated with Minhai PCV13;
  • An informed consent was required to sign by their legal guardians;
  • Volunteers and their legal guardians/caregivers were able to attend the study visit as required by the protocol.
Exclusion Criteria
  • Those who had any administration history of pneumococcal polysaccharide or conjugate vaccine after participating in the Phase III clinical study;
  • Prior to enrollment, patients who had a history of pneumococcal infection with one or more of the well-defined PCV13 serotypes;
  • The researchers shall judge the other conditions which might be not in compliance with the requirements of this clinical trial.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
2 months groupPCV13-
12-23 months groupPCV13-
2-5 years old groupPCV13-
7-11 months groupPCV13-
Primary Outcome Measures
NameTimeMethod
Serious Adverse Events (SAE)one months to 12 months after the last injection
percentage of subjects reached the IgG level of ≥0.35 µg/mL2-5 years after the first dose

evaluation time: two years after the first dose for 2-5 years old group, two and three years after the first dose for 12-23 months group, two, three and four years after the first dose for 7-11 months group, two, three, four and five years after the first dose for 2 months group.

GMCs level for IgG antibody2-5 years after the first dose

evaluation time: two years after the first dose for 2-5 years old group, two and three years after the first dose for 12-23 months group, two, three and four years after the first dose for 7-11 months group, two, three, four and five years after the first dose for 2 months group.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Jiangsu Provincial Center for Diseases Control and Prevention

🇨🇳

Nanjing, Jiangsu, China

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