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Can text messages and phone calls boost HPV shots in rural kids?

NCT ID NCT06738355

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tested different outreach methods—like automated calls, texts, and emails—to encourage parents in rural areas to get their children (ages 9-17) the HPV vaccine. The study involved 335 parents and caregivers at four community clinics in rural Washington. The main goal was to see if a larger, full-scale trial is possible, not yet to prove the outreach works.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
behavioral intervention (automated calls, texts, emails, mailings, live calls)
What this could lead to
If successful, this approach could help more rural children get the HPV vaccine, reducing cancer risk in underserved communities.
What could go wrong
This is a small pilot trial focused on feasibility, not on proving the intervention works. Results may not apply to other settings or populations.

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

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

335 people

The number who actually took part.

Started

May 2025

Finished

Aug 2025

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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/Caregivers (P/C) of children/adolescents (C/A) ages 9-17 years of age (i.e., age-eligible for HPV vaccination); 2. P/C with active clinic patients (i.e., have been seen in the clinic in the last 12 months); and 3. P/C who speak either English or Spanish. Exclusion Criteria: 1. P/C of C/A with previous excluding HPV vaccination history (e.g., completed vaccination, or not due); 2. P/C of C/A with clinical conditions that influence the CDC HPV vaccination recommendations (e.g., pregnancy); 3. P/C of C/A with other factors that would influence CDC HPV recommendations; and 4. P/C that does not speak Spanish or English.

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Conditions

The condition(s) this trial relates to.

Behavior Communication human papilloma virus infection neoplasm Patient Acceptance of Health Care Vaccination Refusal

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Sea Mar Community Health Centers

    Seattle, Washington, 98108, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.