Chatbot vs. HPV: 18,000 parents test digital nudge for teen vaccination
NCT ID NCT07525245
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will enroll 18,000 parents of junior high school girls to see if a vaccine chatbot can boost HPV vaccination rates. Parents are split into four groups: chatbot plus videos, chatbot only, videos only, or no intervention. The goal is to improve vaccine awareness, intention, and actual vaccination among the girls.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 18,000 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Parents of junior high school girls. 2. Possess an electronic device with QR code scanning capability. 3. Junior high school girls have no contraindications to HPV vaccination. 4. No mental disorders or visual/reading impairments; able to cooperate with and implement the corresponding intervention activities. 5. Have provided informed consent and are willing to participate in the study. Exclusion Criteria: \-
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
More trials for these conditions
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