{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=9-valent+human+papillomavirus+vaccine",
    "query": {
      "intervention": "9-valent human papillomavirus vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=9-valent+human+papillomavirus+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T08:19:20.732Z",
  "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": "NCT05031078",
      "title": "Assessing Durable Antibody Response to HPV Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HPV"
      ],
      "interventions": [
        {
          "name": "Gardasil-9",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lidocaine injections",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 17,
      "start_date": "2021-12-21",
      "completion_date": "2026-03-26",
      "has_results": true,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05031078"
    },
    {
      "nct_id": "NCT04708041",
      "title": "Safety and Immunogenicity of Extended 2-dose Regimens of 9-valent Human Papillomavirus (9vHPV) Vaccine (V503-069)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Papillomavirus Infections"
      ],
      "interventions": [
        {
          "name": "9vHPV vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "9 Years to 26 Years"
      },
      "enrollment_count": 700,
      "start_date": "2021-03-15",
      "completion_date": "2029-10-23",
      "has_results": false,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 14,
      "location_summary": "Daly City, California • Oakland, California • Roseville, California + 10 more",
      "locations": [
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04708041"
    },
    {
      "nct_id": "NCT05985681",
      "title": "Testing RG1-VLP Vaccine to Prevent HPV-related Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Papillomavirus-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "HPV16 RG1 VLP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Recombinant Human Papillomavirus Nonavalent Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2026-01-27",
      "completion_date": "2028-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985681"
    },
    {
      "nct_id": "NCT07806617",
      "title": "Intralesional Gardasil-9 for the Treatment of Recalcitrant Warts",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Warts",
        "Verruca (Warts)",
        "Verruca Vulgaris"
      ],
      "interventions": [
        {
          "name": "9-valent human papillomavirus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sterile Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2025-09-02",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07806617"
    },
    {
      "nct_id": "NCT05266898",
      "title": "Immunogenicity of Gardasil-9 HPV Vaccine in People Living With HIV",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Papillomavirus Vaccines",
        "Human Immunodeficiency Virus",
        "Papillomavirus Infection",
        "Serology",
        "Cervical Intraepithelial Neoplasia",
        "Anal Intraepithelial Neoplasia",
        "Oral Cavity Infection"
      ],
      "interventions": [
        {
          "name": "Human papillomavirus 9-valent vaccine, recombinant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "human papillomavirus vaccine, recombinant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 250,
      "start_date": "2022-11-30",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-18",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05266898"
    },
    {
      "nct_id": "NCT07339163",
      "title": "Efficacy of Booster Injection With Gardasil-9 Vaccine on Intersurgical Interval* for Adults With Recurrent Respiratory Papillomatosis*",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Respiratory Papillomatosis (RRP)"
      ],
      "interventions": [
        {
          "name": "GARDASIL®9 (Human Papillomavirus 9-valent Vaccine, Recombinant)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-04-01",
      "completion_date": "2035-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07339163"
    },
    {
      "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": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "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": "NCT03023631",
      "title": "Gardasil 9 Vaccine in Preventing HPV Infection in Patients With Hematologic Malignancies Undergoing Donor Stem Cell Transplant",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allogeneic Hematopoietic Stem Cell Transplant Recipient",
        "Hematopoietic and Lymphoid Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "Recombinant Human Papillomavirus Nonavalent Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2017-04-23",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03023631"
    },
    {
      "nct_id": "NCT06799494",
      "title": "HPV Vaccine Reduced Dose",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HPV"
      ],
      "interventions": [
        {
          "name": "Gardasil-9",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lidocaine injection",
          "type": "DRUG"
        },
        {
          "name": "Lorazepam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-08-06",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06799494"
    },
    {
      "nct_id": "NCT03051516",
      "title": "HPV Vaccine Therapy in Interrupting Progression in Patients With High-Grade Vulvar or Anal Lesions",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "High Grade Anal Canal Intraepithelial Neoplasia",
        "High Grade Vulvar Squamous Intraepithelial Lesion"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Recombinant Human Papillomavirus Nonavalent Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "27 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "27 Years to 69 Years"
      },
      "enrollment_count": 188,
      "start_date": "2017-08-01",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-02-28",
      "last_synced_at": "2026-10-06T08:19:20.732Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03051516"
    }
  ]
}