Effect of an Educational Intervention on Knowledge and Vaccination Attitudes toward the HPV Vaccine: A Multinational Online Randomized Controlled Trial

Effect of an Educational Intervention on Knowledge and Vaccination Attitudes toward the HPV Vaccine: A Multinational Online Randomized Controlled Trial - Effect of an Educational Intervention on Knowledge and Vaccination Attitudes toward the HPV Vaccine: A Multinational Online Randomized Controlled Trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061274

Enrollment

2500

Registered

2026-04-16

Start date

2026-04-20

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

For healthy adults

Interventions

Intervention group: Viewed the CDC&#39

s &quot

Answering Parents&#39

Questions&quot

video series Control group: No videos are presented

only the same questionnaire is administered

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who received sufficient explanation regarding the purpose and contents of this research, those who could consent, and those who fully understood the goal of this research and voluntarily agreed to participate.

Exclusion criteria

Exclusion criteria: Those who declined to participate in the research on their own will Individuals who are deemed ineligible by the research director

Design outcomes

Primary

Measure	Time frame
Improvement in the motivation score for HPV vaccination (vaccination intention) at 3 months	—

Secondary

Measure	Time frame
Improvement in knowledge scores regarding the HPV vaccine Improvement in the 7C scale of vaccination readiness	—

Countries

Japan,Asia(except Japan),North America,South America,Australia,Europe,Africa

Contacts

Public ContactNobuyuki Wakui

Hoshi University Division of Applied Pharmaceutical Education and Research

n-wakui@hoshi.ac.jp03-5498-5760

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026