{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPV+vaccination+messages",
    "query": {
      "intervention": "HPV vaccination messages"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 42,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=HPV+vaccination+messages&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T09:20:25.667Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03628885",
      "title": "An Evaluation of Tailored Messages to Address Parental Questions About HPV Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus Vaccines",
        "Attitude to Health"
      ],
      "interventions": [
        {
          "name": "Top Concern Tailored Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "All Concerns Tailored Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 908,
      "start_date": "2018-09-11",
      "completion_date": "2018-09-27",
      "has_results": true,
      "last_update_posted_date": "2019-04-02",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03628885"
    },
    {
      "nct_id": "NCT01461408",
      "title": "Promoting Human Papillomavirus (HPV) Vaccination Through African American Beauty Salons",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Health Education Session",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "MEE Productions, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 240,
      "start_date": "2013-05",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-10-10",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01461408"
    },
    {
      "nct_id": "NCT03002324",
      "title": "Tailoring of Vaccine-Focused Messages: Disease Salience",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Baseline Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current CDC Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cervical Cancer Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post-Intervention Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1320,
      "start_date": "2017-01",
      "completion_date": "2017-05-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03002324"
    },
    {
      "nct_id": "NCT02145156",
      "title": "Educational Intervention to Minimize Disparities in Humanpapillomavirus Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination Status"
      ],
      "interventions": [
        {
          "name": "Tailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Untailored educational materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey-only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1294,
      "start_date": "2014-06",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02145156"
    },
    {
      "nct_id": "NCT01343485",
      "title": "Innovative Tool to Increase Completion of Human Papillomavirus (HPV) Vaccine Series",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "GARDASIL Vaccination"
      ],
      "interventions": [
        {
          "name": "Computer reminder system",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Planned Parenthood Federation of America",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "26 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 26 Years · Female only"
      },
      "enrollment_count": 365,
      "start_date": "2011-09",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 9,
      "location_summary": "Glendale, Arizona • Arvada, Colorado • Denver, Colorado + 6 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Arvada",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01343485"
    },
    {
      "nct_id": "NCT01731496",
      "title": "The Efficacy of Reminders to Complete HPV Series",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Completion of Three Dose Series of HPV",
        "Improvement in Vaccine Intervals Between HPV Doses"
      ],
      "interventions": [
        {
          "name": "Telephone reminder",
          "type": "OTHER"
        },
        {
          "name": "Text Message reminder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 749,
      "start_date": "2012-04",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-02-06",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 3,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731496"
    },
    {
      "nct_id": "NCT07217145",
      "title": "PREVENT HPV -Related Cancers Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HPV Vaccination",
        "Uptake Vaccination",
        "Series Completion"
      ],
      "interventions": [
        {
          "name": "PREVENT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1455,
      "start_date": "2025-10-06",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217145"
    },
    {
      "nct_id": "NCT03497936",
      "title": "Marketability of a Technology-based Intervention to Increase HPV Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Women's Stories",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Real Prevention, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 26 Years · Female only"
      },
      "enrollment_count": 360,
      "start_date": "2018-05-01",
      "completion_date": "2021-03-29",
      "has_results": false,
      "last_update_posted_date": "2022-09-19",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 7,
      "location_summary": "Irvine, California • Chicago, Illinois • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Clifton",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03497936"
    },
    {
      "nct_id": "NCT03294551",
      "title": "HPV Centralized R/R RCT #2 - New York State",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccines"
      ],
      "interventions": [
        {
          "name": "HPV Vaccine Reminder Recall - Autodialer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV Vaccine Reminder Recall - Texting",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 37003,
      "start_date": "2017-10-27",
      "completion_date": "2019-11-05",
      "has_results": false,
      "last_update_posted_date": "2021-05-27",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294551"
    },
    {
      "nct_id": "NCT02994108",
      "title": "txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "txt2protect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sexual Health Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2018-01-03",
      "completion_date": "2019-06-30",
      "has_results": true,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-09-26T09:20:25.667Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994108"
    }
  ]
}