{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Gardasil-9",
    "query": {
      "intervention": "Gardasil-9"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Gardasil-9&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T19:32:47.408Z",
  "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": "NCT03519464",
      "title": "Immunogenicity of the 9-Valent Human Papillomavirus Recombinant Vaccine in People With Idiopathic CD4 T Cell Lymphocytopenia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Idiopathic CD4 T Cell Lymphocytopenia"
      ],
      "interventions": [
        {
          "name": "Gardasil 9",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 54,
      "start_date": "2019-02-04",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03519464"
    },
    {
      "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": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07339163"
    },
    {
      "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": "2026-09-04T19:32:47.408Z",
      "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": "NCT05672927",
      "title": "Comparing Immune Response of 2 vs 3 HPV Doses (27-45 Years Old)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immunization",
        "HPV Infection",
        "Human Papillomavirus"
      ],
      "interventions": [
        {
          "name": "9-valent HPV vaccine, 2 doses alternate timing",
          "type": "BIOLOGICAL"
        },
        {
          "name": "9-valent HPV vaccine, 3 doses standard timing",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "27 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "27 Years to 45 Years · Female only"
      },
      "enrollment_count": 618,
      "start_date": "2023-01-18",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05672927"
    },
    {
      "nct_id": "NCT04206813",
      "title": "An Exploratory Open-Label Clinical Trial Evaluating the Immunogenicity of the 9-valent 2-dose HPV Vaccination Regimen",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HPV Infection"
      ],
      "interventions": [
        {
          "name": "Gardasil 9 2 dose regimen",
          "type": "DRUG"
        },
        {
          "name": "Gardasil 9 3 dose regimen",
          "type": "DRUG"
        },
        {
          "name": "Gardasil 9 rescue dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 352,
      "start_date": "2020-12-01",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04206813"
    },
    {
      "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": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05266898"
    },
    {
      "nct_id": "NCT02568566",
      "title": "Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Human Papillomavirus-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Recombinant Human Papillomavirus Nonavalent Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "9 Years to 11 Years"
      },
      "enrollment_count": 201,
      "start_date": "2016-05-19",
      "completion_date": "2027-01-10",
      "has_results": true,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • Los Angeles, California",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02568566"
    },
    {
      "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": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03023631"
    },
    {
      "nct_id": "NCT06229353",
      "title": "Developing and Evaluating a Novel Approach to Improve HPV Vaccination Coverage Among High-risk, Under-immunized Adults Via the Emergency Department",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Gardasil 9",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 34,
      "start_date": "2024-08-08",
      "completion_date": "2025-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06229353"
    },
    {
      "nct_id": "NCT04274153",
      "title": "HPV Vaccination Study in Postpartum Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HPV",
        "Immunization",
        "Human Papilloma Virus"
      ],
      "interventions": [
        {
          "name": "Gardasil9",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 45 Years · Female only"
      },
      "enrollment_count": 225,
      "start_date": "2020-08-03",
      "completion_date": "2023-02-01",
      "has_results": true,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-09-04T19:32:47.408Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04274153"
    }
  ]
}