Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT03801603 · ClinicalTrials.gov registry record · NA

Improving HPV Vaccination Rates Among Rural and Native American Adolescents

A NA study, sponsored by University of California, Davis.

Completed
Registry status
NA
Development phase
263
Enrollment target

NCT03801603: Completed NA study, sponsored by University of California, Davis.

NCT03801603 is a NA study that has completed, run by University of California, Davis. The registered enrollment target is 263 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (81% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT03801603, a NA study, has completed, sponsored by University of California, Davis.

COMPLETED
Registry status
NA
Development phase
263 participants
Enrollment target

Study Summary

This study will develop and implement a multi-level intervention aimed at improving human papillomavirus (HPV) vaccination rates at an Indian rural health clinic.

Primary Outcome

HPV vaccine uptake rates (initiation and completion of the 2-dose series) among clinic patients aged 11-17 as measured by the HPV ICD code from baseline to post.

Interventions

  • BEHAVIORAL HPV vaccination training and education

Trial Details

FieldValue
Enrollment Target 263 participants
Start Date 2018-11-30
Est. Completion 2020-06-30
Phase NA
University of California, Davis

657 total trials

What the finished NCT03801603 record still lists

NCT03801603 is an interventional study that assigns participants to a tested intervention. The registered 263 participants enrollment target is mid-sized for trials with a published cap, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (81% lower).

The record links to 0 conditions, and to 1 intervention - of which HPV vaccination training and education is the first listed.

NCT03801603 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03801603 about?

NCT03801603 is a clinical study titled "Improving HPV Vaccination Rates Among Rural and Native American Adolescents". This study will develop and implement a multi-level intervention aimed at improving human papillomavirus (HPV) vaccination rates at an Indian rural health clinic.

What is the current status of trial NCT03801603?

This trial is currently completed. It is a NA study. The enrollment target is 263 participants. The study started on 2018-11-30. Estimated completion is 2020-06-30.

What interventions are being tested in trial NCT03801603?

The interventions under investigation include: HPV vaccination training and education (BEHAVIORAL).

Who is sponsoring clinical trial NCT03801603?

This trial is sponsored by University of California, Davis, which has 657 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03801603's enrollment target sits among peer trials

263 396th of 2000 higher than 1,604 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT04067336 · 263 participants · Phase 1

    First in Human Study of Ziftomenib in Relapsed or Refractory Acute Myeloid Leukemia

  • NCT06234423 · 263 participants · Phase 1

    A Study of CUSP06 in Patients With Platinum-Refractory/Resistant Ovarian Cancer and Other Advanced Solid Tumors

  • NCT06724627 · 263 participants · NA

    Application of the Belle.AI Dermatological Image Reference System for Patient Diagnosis in an Active Clinical Setting

  • NCT04101669 · 264 participants · NA

    RESET System Pivotal Trial (Rev F)

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT03801603, the US trial registry maintained by the National Library of Medicine. NCT03801603 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.