{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=General+HPV+Vaccine+Health+Messaging",
    "query": {
      "intervention": "General HPV Vaccine Health Messaging"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T02:59:04.596Z",
  "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": "2026-09-26T02:59:04.596Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03628885"
    },
    {
      "nct_id": "NCT07301905",
      "title": "Culturally Targeted Health Communication and Receptivity to the Human Papillomavirus Vaccine Among Parents in Flint, MI",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HPV Vaccination"
      ],
      "interventions": [
        {
          "name": "General HPV Vaccine Health Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Culturally Targeted HPV Vaccine Health Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 265,
      "start_date": "2024-11-17",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-26T02:59:04.596Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07301905"
    },
    {
      "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": "2026-09-26T02:59:04.596Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994108"
    },
    {
      "nct_id": "NCT01806714",
      "title": "Text Reminders to Immunize in a Managed Care Organization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Text-based reminder for recommended HPV vaccine or WCC",
          "type": "OTHER"
        },
        {
          "name": "Non-specific text-based reminder (general health tip)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 3812,
      "start_date": "2013-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-26",
      "last_synced_at": "2026-09-26T02:59:04.596Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01806714"
    },
    {
      "nct_id": "NCT03759236",
      "title": "Increasing Human Papillomavirus (HPV) Vaccine Uptake Via General Health Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Health Messaging via SMS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CDC Health Pamphlets",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2018-04-25",
      "completion_date": "2020-02-19",
      "has_results": false,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-09-26T02:59:04.596Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03759236"
    }
  ]
}