{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Adjuvanted+H5N1+pandemic+influenza+vaccine",
    "query": {
      "intervention": "Adjuvanted H5N1 pandemic influenza vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Adjuvanted+H5N1+pandemic+influenza+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T07:59:33.103Z",
  "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": "NCT02415842",
      "title": "A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunologic Tests"
      ],
      "interventions": [
        {
          "name": "Serum samples",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "6 Months to 64 Years"
      },
      "enrollment_count": 414,
      "start_date": "2015-10-26",
      "completion_date": "2018-02-16",
      "has_results": true,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415842"
    },
    {
      "nct_id": "NCT02839330",
      "title": "A Study to Evaluate Safety, Immunogenicity, and Lot-to-Lot Consistency of H5N1 Subunit Influenza Virus Vaccine in Healthy Adult Subjects ≥18 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Avian Influenza"
      ],
      "interventions": [
        {
          "name": "aH5N1c",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3196,
      "start_date": "2016-07-11",
      "completion_date": "2017-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Chandler, Arizona • Tempe, Arizona + 20 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02839330"
    },
    {
      "nct_id": "NCT01776541",
      "title": "Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Healthy Adults",
      "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": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 979,
      "start_date": "2013-01",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2015-02-03",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • St Louis, Missouri • Austin, Texas",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01776541"
    },
    {
      "nct_id": "NCT00812019",
      "title": "Dose Ranging Study to Evaluate Immunogenicity and Safety of Adjuvanted or Non-adjuvanted Cell Culture-derived H5N1 Influenza Vaccine in Young Adults (18-40 Years Old)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_0%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_25%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_50%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_100%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_0%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_25%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_50%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_100%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_0%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_25%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_50%MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_100%MF59",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "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": 753,
      "start_date": "2008-11",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2020-08-24",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00812019"
    },
    {
      "nct_id": "NCT05397119",
      "title": "A Safety and Immunogenicity of Intranasal Nanoemulsion Adjuvanted Recombinant Pandemic Flu Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Pandemic"
      ],
      "interventions": [
        {
          "name": "BW-1014: 25 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BW-1014: 50 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BW-1014: 100 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rH5 (100 µg) control - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline (Placebo) - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "H5N1 IIV - IM",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BlueWillow Biologics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-07-07",
      "completion_date": "2023-10-12",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397119"
    },
    {
      "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": "2026-10-14T07:59:33.103Z",
      "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"
    },
    {
      "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": "2026-10-14T07:59:33.103Z",
      "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": "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": "2026-10-14T07:59:33.103Z",
      "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": "NCT05422326",
      "title": "A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or Unprimed",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human",
        "Influenza in Birds",
        "Respiratory Tract Infections",
        "Infections",
        "Orthomyxoviridae Infections",
        "RNA Virus Infections",
        "Virus Diseases",
        "Respiratory Tract Diseases"
      ],
      "interventions": [
        {
          "name": "aH5N6c on Day 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aH5N6c on Day 22",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo on Day 22",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2022-07-18",
      "completion_date": "2023-03-24",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 18,
      "location_summary": "Huntsville, Alabama • Tempe, Arizona • San Diego, California + 14 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05422326"
    },
    {
      "nct_id": "NCT01310413",
      "title": "Monovalent H5N1 Vaccine GSK1557484A in Children 6 Months to < 18 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza",
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Influenza A (H5N1) Virus monovalent vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 842,
      "start_date": "2011-03-07",
      "completion_date": "2014-01-26",
      "has_results": true,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-14T07:59:33.103Z",
      "location_count": 11,
      "location_summary": "Paramount, California • Sacramento, California • Newton, Kansas + 8 more",
      "locations": [
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Newton",
          "state": "Kansas"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310413"
    }
  ]
}