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Immunogenicity and safety after booster vaccination of diphtheria, tetanus, and acellular pertussis in young adults: an open randomized controlled trial in Japa

Not Applicable
Conditions
Adverse events of vaccination
Registration Number
JPRN-UMIN000010672
Lead Sponsor
Saga University
Brief Summary

Significant increases were found in the antibodies against pertussis toxin, filamentous hemagglutinin, diphtheria toxoid, and tetanus toxoid after booster vaccination in both groups, and the booster response rates for all reached 100%.

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up complete
Sex
All
Target Recruitment
100
Inclusion Criteria

Not provided

Exclusion Criteria

if their antibody level against PT was equal to or higher than 100 EU/mL in 2010; if they had any history of diphtheria, tetanus, and pertussis; if they had received any other drug or vaccine within 30 days of entry; if they had a history of allergic reactions to any vaccine component; if they had received immunoglobulins or any blood products; if they had an acute disease or a febrile illness at the time of vaccination.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Booster response rates at 4 weeks after vaccination are at least 80% for PT, FHA, D, and T in both 0.2mL and 0.5mL of DTaP groups
Secondary Outcome Measures
NameTimeMethod
Higher geometric mean concentration (GMC) of antibodies in the 0.5-mL group at 4 weeks after booster vaccination.
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