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New strategies help more teens get HPV vaccine

NCT ID NCT03726151

Vaccine Sponsor: University of California, Los Angeles Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested different ways to help teenagers complete the HPV vaccine series at community health centers serving low-income families. Researchers compared parent reminders (by mail and text), clinic system changes, and a combination of both against usual care. Over 17,000 teens aged 11-17 took part, and the goal was to see which approach worked best to protect against HPV-related cancers.

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

17,000 people

The number who actually took part.

Started

May 2018

Finished

May 2024

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

11 to 17 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Must be a patient at one of the seven Northeast Valley Health Corporation (NEVHC) clinics participating in this study * Has had at least one appointment at NEVHC in the last 2 years * Must be aged 11-17 Exclusion Criteria: * Is not a patient at one of the seven Northeast Valley Health Corporation (NEVHC) clinics participating in this study * Has not had an appointment at NEVHC in the last 2 years * Is not aged 11-17

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Conditions

The condition(s) this trial relates to.

Uterine Cervical Neoplasms human papilloma virus infection prevention target

As listed by the trial registrant

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

Human papillomavirus infection

Contacts and locations

Locations

  • Northeast Valley Health Corporation- Canoga Park

    Canoga Park, California, 91303, United States

  • Northeast Valley Health Corporation- Pacoima

    Pacoima, California, 91331, United States

  • Northeast Valley Health Corporation- San Fernando

    San Fernando, California, 91340, United States

  • Northeast Valley Health Corporation- Santa Clarita

    Santa Clarita, California, 91351, United States

  • Northeast Valley Health Corporation- Sun Valley

    Sun Valley, California, 91352, United States

  • Northeast Valley Health Corporation- Valencia

    Valencia, California, 91355, United States

  • Northeast Valley Health Corporation- Van Nuys

    Van Nuys, California, 91405, United States

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