{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fluzone&page=4",
    "query": {
      "intervention": "Fluzone",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1159,
    "total_pages": 116,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fluzone&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fluzone&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T06:01:04.971Z",
  "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": "NCT00461981",
      "title": "A Phase 2 Study to Evaluate Immune Responses of FluMist®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza Vaccine"
      ],
      "interventions": [
        {
          "name": "TIV, Trivalent Inactivated Influenza Virus Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluMist, Influenza Virus Vaccine Live",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "35 Months",
        "sex": "ALL",
        "summary": "12 Months to 35 Months"
      },
      "enrollment_count": 101,
      "start_date": "2007-05",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2021-10-06",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 19,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Anaheim, California + 16 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00461981"
    },
    {
      "nct_id": "NCT04120194",
      "title": "Phase 3 Pivotal Trial of NanoFlu™ in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "NanoFlu",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone Quadrivalent",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 2654,
      "start_date": "2019-10-14",
      "completion_date": "2020-12-13",
      "has_results": true,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 19,
      "location_summary": "Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 16 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Nampa",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04120194"
    },
    {
      "nct_id": "NCT04358029",
      "title": "Cardiac Arrhythmias In Patients With Coronavirus Disease (COVID-19)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID 19 Cardiac",
        "COVID 16 Arrhythmia",
        "COVID 19 Death"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vivek Reddy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 4000,
      "start_date": "2020-04-09",
      "completion_date": "2023-04-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-05",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04358029"
    },
    {
      "nct_id": "NCT01609998",
      "title": "Seasonal Influenza DNA Vaccine & Seasonal Influenza Trivalent Inactivated Vaccine (TIV) in Children & Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Seasonal Influenza DNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 75,
      "start_date": "2012-06",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2018-12-06",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • St Louis, Missouri • Lebanon, New Hampshire + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01609998"
    },
    {
      "nct_id": "NCT07204964",
      "title": "A Study to Evaluate the Immune Response and Safety of an Influenza Vaccine in Adults 18 Years of Age and Above",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Flu mRNA (Formulation B1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu mRNA (Formulation B3)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu mRNA(Formulation A)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Comparator 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Comparator 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Comparator 3",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 971,
      "start_date": "2025-10-07",
      "completion_date": "2026-08-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 15,
      "location_summary": "Guntersville, Alabama • Canoga Park, California • Walnut Creek, California + 12 more",
      "locations": [
        {
          "city": "Guntersville",
          "state": "Alabama"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07204964"
    },
    {
      "nct_id": "NCT03332992",
      "title": "Comparative Tests of Flu Vaccination Phone Messages",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Viral changes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Protect others",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Accountability",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7206,
      "start_date": "2017-11-11",
      "completion_date": "2018-04-30",
      "has_results": false,
      "last_update_posted_date": "2018-05-15",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03332992"
    },
    {
      "nct_id": "NCT00996307",
      "title": "Pivotal, Multicenter, Observer-Blind, Randomized Study of Influenza A (H1N1)2009 Monovalent Subunit Vaccine With and Without Adjuvant in Children Ages 6 to <36 Months",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "MF59-eH1N1_f",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "35 Months",
        "sex": "ALL",
        "summary": "6 Months to 35 Months"
      },
      "enrollment_count": 654,
      "start_date": "2009-10",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 28,
      "location_summary": "Bentonville, Arkansas • Fort Smith, Arkansas • Canoga Park, California + 25 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Dinuba",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00996307"
    },
    {
      "nct_id": "NCT00630331",
      "title": "Efficacy Study of Two Influenza Vaccines and Placebo in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Cell culture-derived influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Egg-derived influenza virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "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": 11404,
      "start_date": "2007-10",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2024-05-24",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 17,
      "location_summary": "Denver, Colorado • Pembroke Pines, Florida • South Miami, Florida + 13 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00630331"
    },
    {
      "nct_id": "NCT04080245",
      "title": "Functional Consequences of T-bet Expression in Flu-specific Memory B Cells After Live Attenuated Influenza Vaccine (LAIV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Treatment Group Live Attenuated Flu Vaccine (LAIV)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-11-15",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04080245"
    },
    {
      "nct_id": "NCT00943202",
      "title": "Sanofi Pasteur, TIV + H1N1, Pediatric Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated H1N1 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 531,
      "start_date": "2009-08",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2013-04-22",
      "last_synced_at": "2026-10-18T06:01:04.971Z",
      "location_count": 8,
      "location_summary": "Atlanta, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943202"
    }
  ]
}