{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Disease%3B+Flu&page=5",
    "query": {
      "condition": "Influenza Disease; Flu",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 1036,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Disease%3B+Flu&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Disease%3B+Flu&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T12:28:52.962Z",
  "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": "NCT03673345",
      "title": "Development of Childhood Anti-Influenza Immunity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Quadrivalent Inactivated Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "3 Months to 15 Years"
      },
      "enrollment_count": 125,
      "start_date": "2018-09-25",
      "completion_date": "2020-12-22",
      "has_results": true,
      "last_update_posted_date": "2022-03-18",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03673345"
    },
    {
      "nct_id": "NCT01258595",
      "title": "A Study of High-Dose Trivalent Inactivated Influenza Vaccine in Adults 50 to 64 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "High-Dose Trivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "50 Years to 64 Years"
      },
      "enrollment_count": 300,
      "start_date": "2010-11",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2016-05-16",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 5,
      "location_summary": "Idaho Falls, Idaho • Columbia, Maryland • Ellicott City, Maryland + 2 more",
      "locations": [
        {
          "city": "Idaho Falls",
          "state": "Idaho"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Ellicott City",
          "state": "Maryland"
        },
        {
          "city": "Missoula",
          "state": "Montana"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01258595"
    },
    {
      "nct_id": "NCT01353729",
      "title": "A Study to Evaluate the Effect of Intravenous Zanamivir on Cardiac Conduction in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "600 mg zanamivir + moxifloxacin placebo",
          "type": "DRUG"
        },
        {
          "name": "1200 mg zanamivir + moxifloxacin placebo",
          "type": "DRUG"
        },
        {
          "name": "zanamivir placebo + moxifloxacin placebo",
          "type": "DRUG"
        },
        {
          "name": "zanamivir placebo + 400 mg moxifloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-05-19",
      "completion_date": "2011-08-02",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01353729"
    },
    {
      "nct_id": "NCT01910519",
      "title": "Systems Biology of Influenza A (H5N1) Virus Monovalent Vaccine With and Without Adjuvant System 03 (AS03)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza A Virus, H5N1 Subtype"
      ],
      "interventions": [
        {
          "name": "H5N1 vaccine plus AS03 adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "H5N1 vaccine without adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 50,
      "start_date": "2013-07",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2019-02-12",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01910519"
    },
    {
      "nct_id": "NCT00943631",
      "title": "Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels in Adult and Elderly Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated H1N1 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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2009-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2012-10-31",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina • Nashville, Tennessee",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943631"
    },
    {
      "nct_id": "NCT00428831",
      "title": "Clinical IGSP-CHOP Boston",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Days",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Days and older"
      },
      "enrollment_count": 500,
      "start_date": "2007-02",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2013-12-20",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00428831"
    },
    {
      "nct_id": "NCT04978454",
      "title": "Influenza Challenge Study to Determine the Optimal Infection Dose and Safety of a Recombinant H3N2 (A/Texas/71/2017 (H3N2, Clade 3C3a) Influenza Strain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza RG-A/Texas/71/2017 (H3N2) Challenge",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-08-19",
      "completion_date": "2022-09-22",
      "has_results": true,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04978454"
    },
    {
      "nct_id": "NCT01733056",
      "title": "Immune Response to Vaccination in Patients Receiving Single Drug Immunosuppression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunosuppression"
      ],
      "interventions": [
        {
          "name": "Flu Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 43,
      "start_date": "2011-01",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2014-07-21",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01733056"
    },
    {
      "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": "2026-10-09T12:28:52.962Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019456"
    },
    {
      "nct_id": "NCT02015494",
      "title": "Phase 1 Safety Study of Recombinant Influenza Vaccine for Prevention",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VAX2012Q",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "VaxInnate Corporation",
      "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": 316,
      "start_date": "2014-03",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-10-09T12:28:52.962Z",
      "location_count": 4,
      "location_summary": "Lenexa, Kansas • Rochester, New York • Mt. Pleasant, South Carolina + 1 more",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02015494"
    }
  ]
}