{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Papillomavirus+%28HPV%29+Vaccines&page=4",
    "query": {
      "condition": "Human Papillomavirus (HPV) Vaccines",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Papillomavirus+%28HPV%29+Vaccines&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Papillomavirus+%28HPV%29+Vaccines&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T00:53:03.696Z",
  "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": "NCT00798265",
      "title": "A Phase I Study of Quadrivalent Human Papilloma Virus (HPV) (Types 6, 11, 16, 18) Recombinant Vaccine in HIV-Infected and HIV-Negative Pre-Adolescents, Adolescents, and Young Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Immunodeficiency Virus",
        "Human Papillomavirus- 6, 11, 16, 18",
        "Adolescent",
        "Papillomavirus Vaccines"
      ],
      "interventions": [
        {
          "name": "Gardasil",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "12 Years to 26 Years"
      },
      "enrollment_count": 26,
      "start_date": "2009-06-29",
      "completion_date": "2013-02-04",
      "has_results": true,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00798265"
    },
    {
      "nct_id": "NCT04180462",
      "title": "Increasing Optimal Use of HPV Vaccination in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papillomavirus Vaccines"
      ],
      "interventions": [
        {
          "name": "Practice Facilitation",
          "type": "OTHER"
        },
        {
          "name": "Education",
          "type": "OTHER"
        },
        {
          "name": "Audit and Feedback",
          "type": "OTHER"
        },
        {
          "name": "Communication Strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2020-01-07",
      "completion_date": "2024-04-29",
      "has_results": true,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04180462"
    },
    {
      "nct_id": "NCT05742386",
      "title": "Impact of Standing Orders Optimization",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Communication training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Communication training enhanced with standing orders optimization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "9 Years to 12 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-02-22",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05742386"
    },
    {
      "nct_id": "NCT04380623",
      "title": "A Tailored, Health Communication Intervention for HPV Vaccine Hesitant Families",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus",
        "HPV-Related Carcinoma",
        "Vaccine Refusal",
        "Parents",
        "Program, Communication"
      ],
      "interventions": [
        {
          "name": "Mobile Phone-Based Web-Page: HPV vaccine",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Meharry Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 244,
      "start_date": "2021-02-15",
      "completion_date": "2024-05-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-08",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04380623"
    },
    {
      "nct_id": "NCT04199689",
      "title": "Efficacy Against Oral Persistent Infection, Immunogenicity and Safety of the 9-valent Human Papillomavirus Vaccine (9vHPV) in Men Aged 20-45 Years (V503-049)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Papillomavirus Infections"
      ],
      "interventions": [
        {
          "name": "9vHPV Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (Saline for Injection)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "20 Years to 45 Years · Male only"
      },
      "enrollment_count": 6033,
      "start_date": "2020-02-27",
      "completion_date": "2027-08-13",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 32,
      "location_summary": "Northridge, California • Rialto, California • Simi Valley, California + 28 more",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Rialto",
          "state": "California"
        },
        {
          "city": "Simi Valley",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199689"
    },
    {
      "nct_id": "NCT00546078",
      "title": "Follow-up Study to Evaluate the Safety and Immunogenicity of a HPV Vaccine (580299) in North America",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infections, Papillomavirus"
      ],
      "interventions": [
        {
          "name": "Cervarix™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 25 Years · Female only"
      },
      "enrollment_count": 116,
      "start_date": "2008-01-14",
      "completion_date": "2009-12-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 13,
      "location_summary": "San Francisco, California • Augusta, Georgia • Bardstown, Kentucky + 10 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00546078"
    },
    {
      "nct_id": "NCT04667702",
      "title": "HPV Vaccine Hesitancy Among Indiana Youth With Cancer and Blood Diseases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papilloma Virus Vaccine Hesitancy"
      ],
      "interventions": [
        {
          "name": "Interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "9 Years to 75 Years"
      },
      "enrollment_count": 176,
      "start_date": "2021-01-04",
      "completion_date": "2022-07-05",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04667702"
    },
    {
      "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": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07301905"
    },
    {
      "nct_id": "NCT04247282",
      "title": "Anti-PD-L1/TGF-beta Trap (M7824) Alone and in Combination With TriAd Vaccine and N-803 for Resectable Head and Neck Squamous Cell Carcinoma Not Associated With Human Papillomavirus Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Head and Neck Neoplasms"
      ],
      "interventions": [
        {
          "name": "M7824",
          "type": "DRUG"
        },
        {
          "name": "N803",
          "type": "DRUG"
        },
        {
          "name": "TriAd vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2020-06-09",
      "completion_date": "2023-06-12",
      "has_results": true,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247282"
    },
    {
      "nct_id": "NCT04611022",
      "title": "Educate and Improve Underserved Populations' Uptake and Completion of the HPV Vaccine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "HPV Educational Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2020-08-28",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-23T00:53:03.696Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04611022"
    }
  ]
}