Estimated revaccination coverage rate of pneumococcal vaccines among adults aged 65 years or older in Japan

Estimated revaccination coverage rate of pneumococcal vaccines among adults aged 65 years or older in Japan - Estimated revaccination coverage rate of pneumococcal vaccines among adults aged 65 years or older in Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000033095

Enrollment

5000

Registered

2018-06-22

Start date

2018-06-22

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

infectious disease of pneumococci

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Subjects criteria: Provide completed informed consent Aged 65 years and older Available for internet based survey Doctors criteria: Provide completed informed consent Treating more than 100 subjects of aged 65 years and older per month Available for internet based survey

Exclusion criteria

Exclusion criteria: No exclusion criteria

Design outcomes

Primary

Measure	Time frame
Subjects' panel: -Revaccination coverage rate of the PPSV23 in primary vaccinated older adults (aged 65+)	—

Secondary

Measure	Time frame
Subjects' panel: -Reasons for receiving or not receiving the PPSV23 revaccination in older adults (aged 65+) -Predictors of the PPSV23 revaccination in older adults (aged 65+) -Revaccination coverage rate of the PPSV23 in older adults (aged 65+) (Revaccinated: two times of receiving the PPSV23) (Revaccination coverage rate: Number of revaccinated subjects devided by all replied subjects) Doctors' panel -Reasons for recommending or not recommending the PPSV23 revaccination to older adults	—

Measure

Time frame

Subjects' panel: -Reasons for receiving or not receiving the PPSV23 revaccination in older adults (aged 65+) -Predictors of the PPSV23 revaccination in older adults (aged 65+) -Revaccination coverage rate of the PPSV23 in older adults (aged 65+) (Revaccinated: two times of receiving the PPSV23) (Revaccination coverage rate: Number of revaccinated subjects devided by all replied subjects) Doctors' panel -Reasons for recommending or not recommending the PPSV23 revaccination to older adults

—

Countries

Japan

Contacts

Public ContactTomoharu Iino

MSD K.K. Medical Affairs Vaccine

ldgproject@merck.com03-6272-2049

Outcome results