{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+A%2FH5N1&page=3",
    "query": {
      "intervention": "Influenza A/H5N1",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 113,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+A%2FH5N1&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+A%2FH5N1&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T12:24:30.850Z",
  "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": "NCT01776554",
      "title": "Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pandemic H5N1 Influenza"
      ],
      "interventions": [
        {
          "name": "Adjuvanted H5N1 pandemic influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 662,
      "start_date": "2013-01",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2019-01-16",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 10,
      "location_summary": "Miami, Florida • Newton, Kansas • Wichita, Kansas + 6 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Newton",
          "state": "Kansas"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01776554"
    },
    {
      "nct_id": "NCT00532792",
      "title": "A/H5N1 Dose Ranging Study With Adjuvant Patch",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pandemic Influenza"
      ],
      "interventions": [
        {
          "name": "A/H5N1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Intercell USA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 501,
      "start_date": "2007-08",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-14",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 5,
      "location_summary": "Vallejo, California • Miami, Florida • Kansas City, Kansas + 2 more",
      "locations": [
        {
          "city": "Vallejo",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00532792"
    },
    {
      "nct_id": "NCT00294099",
      "title": "H5 Vaccine Alone or With Aluminum Hydroxide in Elderly Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Aluminum hydroxide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inactivated Influenza A/H5N1 Vaccine (sanofi pasteur)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2006-03",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2013-06-03",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 7,
      "location_summary": "Iowa City, Iowa • Baltimore, Maryland • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00294099"
    },
    {
      "nct_id": "NCT01766921",
      "title": "Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Elderly Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pandemic H5N1 Influenza"
      ],
      "interventions": [
        {
          "name": "Adjuvanted H5N1 pandemic influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1393,
      "start_date": "2013-01",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Hollywood, Florida • Wichita, Kansas + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01766921"
    },
    {
      "nct_id": "NCT00734175",
      "title": "Safety of and Immune Response to Recombinant Live-Attenuated Influenza H6N1 Virus Vaccine Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "H6N1 Teal HK 97/AA ca recombinant vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 22,
      "start_date": "2008-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-08-07",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00734175"
    },
    {
      "nct_id": "NCT00408109",
      "title": "Safety Study of Avian Flu Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza A Virus, H5N1 Subtype",
        "Influenza A Virus",
        "Influenzavirus A",
        "Orthomyxoviridae",
        "H5N1 Virus"
      ],
      "interventions": [
        {
          "name": "VRC-AVIDNA036-00-VP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 45,
      "start_date": "2006-12-04",
      "completion_date": "2008-08-28",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00408109"
    },
    {
      "nct_id": "NCT00439335",
      "title": "Higher Dose Intradermal H5 Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated Influenza A Vaccine A/H5N1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (IM)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (ID)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 227,
      "start_date": "2007-03",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2013-04-09",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00439335"
    },
    {
      "nct_id": "NCT00519389",
      "title": "Safety, Reactogenicity and Immunogenicity of an H5N1 VLP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pandemic Influenza"
      ],
      "interventions": [
        {
          "name": "H5N1 VLP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 230,
      "start_date": "2007-07",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00519389"
    },
    {
      "nct_id": "NCT01317758",
      "title": "H5N1 Mix and Match With AS03",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "AS03 Adjuvant",
          "type": "DRUG"
        },
        {
          "name": "Phosphate Buffered Saline (PBS) diluent",
          "type": "OTHER"
        },
        {
          "name": "Sanofi H5N1 Antigen",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 245,
      "start_date": "2011-05",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Nashville, Tennessee • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01317758"
    },
    {
      "nct_id": "NCT00664417",
      "title": "Study of Different Formulations of an Intramuscular A/H5N1 Inactivated, Split Virion Influenza Adjuvanted Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Orthomyxoviridae Infections"
      ],
      "interventions": [
        {
          "name": "Monovalent subvirion H5N1 influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Physiological saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 375,
      "start_date": "2008-04",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2012-04-17",
      "last_synced_at": "2026-10-03T12:24:30.850Z",
      "location_count": 6,
      "location_summary": "San Diego, California • South Miami, Florida • Springfield, Missouri + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00664417"
    }
  ]
}