Can a personalized video and phone call get more teens the HPV vaccine?
NCT ID NCT06831929
First seen Jul 17, 2026 · Last updated Aug 12, 2026 · Updated 2 times
Summary
This study tests whether a combination of a culturally tailored video message from an HPV cancer survivor and a reminder phone call can increase the number of adolescents aged 10-12 who get the HPV vaccine. The intervention is delivered through a patient portal and direct outreach. The goal is to improve vaccination rates and reduce the risk of HPV-related cancers.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a behavioral intervention including a culturally tailored video message and a reminder phone call
- What this could lead to
- If successful, this approach could significantly increase HPV vaccination rates and help prevent HPV-related cancers.
- What could go wrong
- The trial is behavioral and may not change vaccination behavior as expected; results may not apply to other populations or settings.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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 2,232 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Dec 2026
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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10 to 12 years
- 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: • Clinic patients between the ages of 10-12 who are eligible for the HPV vaccine Exclusion Criteria: • Clinic patients who already received the HPV vaccine or with any contraindication to the HPV vaccine.
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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
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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University of California Davis Health
RECRUITINGSacramento, California, 95817, United States
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