{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Human",
    "query": {
      "condition": "Influenza Human"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1097,
    "total_pages": 110,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Human&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T17:17:02.505Z",
  "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": "NCT02876159",
      "title": "The Immunologic Basis for an Attenuated Immune Response to the Influenza Vaccine After Repeated Annual Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "2016-2017 Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "20 Years to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-07",
      "completion_date": "2016-12-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876159"
    },
    {
      "nct_id": "NCT04451954",
      "title": "Study of Recombinant Influenza Vaccine Containing Different H3 Antigens Without or With Adjuvant in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza Immunisation",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Quadrivalent RIV with H3 strain 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent RIV with H3 strain 1 and adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent RIV with H3 strain 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent RIV with H3 strain 2 and adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent RIV with 2018-2019 NH H3 strain",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent RIV with 2018-2019 NH H3 strain and adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2020-07-02",
      "completion_date": "2021-09-20",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Melbourne, Florida • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04451954"
    },
    {
      "nct_id": "NCT05019456",
      "title": "Exercise and COVID-19 Viral T-cell Immunity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Respiratory Infection",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 26,
      "start_date": "2021-03-09",
      "completion_date": "2025-12-25",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019456"
    },
    {
      "nct_id": "NCT06680375",
      "title": "A Study of an Investigational Flu Seasonal/SARS-CoV-2 Combination Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal /SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Flu Seasonal mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "SARS-CoV-2 mRNA Dose 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Flu Seasonal",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed COVID-19 mRNA",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 106,
      "start_date": "2024-11-11",
      "completion_date": "2025-06-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 9,
      "location_summary": "Anniston, Alabama • Rolling Hills Estates, California • Hialeah, Florida + 5 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06680375"
    },
    {
      "nct_id": "NCT02251288",
      "title": "A Phase I Study Priming With an Inactivated A/H7N9 Influenza Virus Vaccine With or Without MF59 Adjuvant Followed by Live Attenuated A/H7N9 Influenza Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Avian Influenza",
        "Immunisation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine, Live Attenuated H7N9 Anhui 2013/AA ca",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF59 adjuvant",
          "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": "47 Years",
        "sex": "ALL",
        "summary": "18 Years to 47 Years"
      },
      "enrollment_count": 62,
      "start_date": "2015-05-18",
      "completion_date": "2018-08-17",
      "has_results": false,
      "last_update_posted_date": "2020-01-27",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02251288"
    },
    {
      "nct_id": "NCT02438423",
      "title": "Inactivated Influenza Vaccine Delivered by Microneedle Patch or by Hypodermic Needle",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Mark Prausnitz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-06",
      "completion_date": "2016-03-23",
      "has_results": true,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02438423"
    },
    {
      "nct_id": "NCT01302990",
      "title": "Safety, Tolerability and Immunogenicity of a Plant-Made H1 VLP Influenza Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Flu"
      ],
      "interventions": [
        {
          "name": "Dose given at Day 0",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medicago",
      "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": 100,
      "start_date": "2011-02",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2013-08-16",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01302990"
    },
    {
      "nct_id": "NCT03010410",
      "title": "Platelet Immune Responses in Aging and Influenza and Sepsis (INVACS)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sepsis",
        "Influenza"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2014-12-21",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2019-08-13",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03010410"
    },
    {
      "nct_id": "NCT00436046",
      "title": "Interferon as a Mucosal Adjuvant for Influenza Vaccine Given Intranasally",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent inactivated influenza virus vaccine (2006-2007 formulation)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Type 1 interferon",
          "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": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 95,
      "start_date": "2007-03",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2011-06-13",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436046"
    },
    {
      "nct_id": "NCT06057727",
      "title": "Behavioral Economics to Improve Flu Vaccination Using EHR Nudges",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health",
        "Flu",
        "Flu Vaccination"
      ],
      "interventions": [
        {
          "name": "Pre-visit patient text messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Default pended order",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monthly peer comparison feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High risk bidirectional pre-visit text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 80039,
      "start_date": "2023-09-25",
      "completion_date": "2024-05-20",
      "has_results": true,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-07-22T17:17:02.505Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Seattle, Washington",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06057727"
    }
  ]
}