Acceptance, Attitude, Knowledge and Perception of Pneumococcal Vaccination among physicians and parents with high-risk children in Japan: A quantitative web-based survey

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1030250520

Enrollment

2046

Registered

2025-11-21

Start date

2025-11-21

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

Pneumococcal Disease Pneumococcal Disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Physicians 1.Aged 24 years or older 2.Have treated at least one high-risk patient with PDs aged 2 to 14 years in the past year 3.Physician who provides informed consent to participate in the study Parents 1.Aged 18 years or older 2.Parent of a child at high-risk of PDs aged 2 to 14 years 3.Parent who provides informed consent to participate in the study 4.Parent who is able to confirm their child's immunization records through the maternal and child health handbook

Exclusion criteria

Exclusion criteria: Physicians and parents who do not meet the respective inclusion criteria above will be excluded from this study. Note that the participants for the pilot interviews and pilot survey will not be eligible for the main survey.

Design outcomes

Primary

Measure	Time frame
The following primary outcomes will be obtained with a questionnaire to determine: Parents with high-risk children Level of attitude, knowledge, and perception of pneumococcal disease and pneumococcal vaccine among parents with high-risk children Estimated vaccination rate of supplemental pneumococcal vaccine (ex. PPSV23) after completion of routine pneumococcal vaccination among high-risk children Physicians who have treated high-risk children Level of attitude, knowledge, and perception of pneumococcal disease and pneumococcal vaccine among physicians who have treated high-risk children Estimated recommendation rate of supplemental pneumococcal vaccine (ex. PPSV23) after completion of routine pneumococcal vaccination by physicians for high-risk children	—

Measure

Time frame

The following primary outcomes will be obtained with a questionnaire to determine: Parents with high-risk children Level of attitude, knowledge, and perception of pneumococcal disease and pneumococcal vaccine among parents with high-risk children Estimated vaccination rate of supplemental pneumococcal vaccine (ex. PPSV23) after completion of routine pneumococcal vaccination among high-risk children Physicians who have treated high-risk children Level of attitude, knowledge, and perception of pneumococcal disease and pneumococcal vaccine among physicians who have treated high-risk children Estimated recommendation rate of supplemental pneumococcal vaccine (ex. PPSV23) after completion of routine pneumococcal vaccination by physicians for high-risk children

—

Secondary

Measure	Time frame
The following secondary outcomes will be obtained with a questionnaire to determine: Parents with high-risk children Reasons for parents had their children vaccinated / not vaccinated supplemental pneumococcal vaccine Physicians who have treated high-risk children Reasons for physicians to recommend / not recommend supplemental pneumococcal vaccine to high-risk children	—

Contacts

Public ContactSari Miyashita

MSD K.K.

sari.miyashita@msd.com+81-3-6272-2541

Outcome results