{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine+%28Fluzone%C2%AE%29&page=8",
    "query": {
      "intervention": "Influenza Virus Vaccine (Fluzone®)",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 173,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine+%28Fluzone%C2%AE%29&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine+%28Fluzone%C2%AE%29&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T04:08:52.469Z",
  "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": "NCT06361875",
      "title": "A Study to Investigate the Safety and Immunogenicity of the Quadrivalent Influenza mRNA Vaccines in Adults Aged 18 Years and Above",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza Immunization",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Influenza mRNA Vaccine MRT5421",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza mRNA Vaccine MRT5424",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza mRNA Vaccine MRT5429",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza Standard Dose Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza High-Dose Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Recombinant Influenza Vaccine",
          "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": 908,
      "start_date": "2024-04-01",
      "completion_date": "2025-06-09",
      "has_results": true,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 11,
      "location_summary": "San Diego, California • Hialeah, Florida • Hollywood, Florida + 8 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06361875"
    },
    {
      "nct_id": "NCT00980005",
      "title": "Study to Assess the Immunogenicity and Safety of an Investigational Influenza Vaccine in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "GSK investigational vaccine GSK1557482A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 2116,
      "start_date": "2009-10-13",
      "completion_date": "2010-06-17",
      "has_results": true,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Benton, Arkansas • Huntington Beach, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Benton",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "West Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00980005"
    },
    {
      "nct_id": "NCT05513391",
      "title": "Study With Quadrivalent Recombinant Influenza Vaccine (RIV4) Compared With Egg-Based Quadrivalent Influenza Vaccine (IIV4) in Participants Aged 3 to 8 Years",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "Recombinant influenza vaccine (RIV4)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent influenza vaccine (IIV4)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "3 Years to 8 Years"
      },
      "enrollment_count": 366,
      "start_date": "2022-11-10",
      "completion_date": "2023-10-03",
      "has_results": true,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • San Diego, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Newton",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05513391"
    },
    {
      "nct_id": "NCT01405885",
      "title": "A Study of DNA Vaccine With Electroporation for the Prevention of Disease Caused by H1 and H5 Influenza Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "INO-3605",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-3609",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-3401",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-3605 AND INO-3609",
          "type": "BIOLOGICAL"
        },
        {
          "name": "INO-3510",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Seasonal Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Inovio Pharmaceuticals",
      "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": 116,
      "start_date": "2011-05",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2014-03-03",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Overland Park, Kansas • Baltimore, Maryland",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01405885"
    },
    {
      "nct_id": "NCT07431840",
      "title": "Immune Defense Protein Impact On Respiratory Immune Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Upper Respiratory Disease",
        "Influenza",
        "Viral Upper Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "Immune Defense Protein 50mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "IDP 200mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Matching Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Quantec Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2025-12-05",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431840"
    },
    {
      "nct_id": "NCT07300085",
      "title": "A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Fluzone® High-Dose (HD) influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MK-1406 Injection",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "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": 710,
      "start_date": "2025-11-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 4,
      "location_summary": "Glendale, California • Baltimore, Maryland",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07300085"
    },
    {
      "nct_id": "NCT01044095",
      "title": "Study of Seasonal Influenza Vaccine Against H5N1 Avian Influenza Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "FluMist® live, attenuated, intranasal seasonal influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone® inactivated influenza virus vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Armed Forces Research Institute of Medical Sciences, Thailand",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 26,
      "start_date": "2009-11",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-07-23",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 0,
      "location_summary": "Not listed",
      "locations": [],
      "official_url": "https://clinicaltrials.gov/study/NCT01044095"
    },
    {
      "nct_id": "NCT03028987",
      "title": "Adaptive Immune Responses and Repertoire in Influenza Vaccination and Infection (SLVP031)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluMist®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "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": 10,
      "start_date": "2014-11-19",
      "completion_date": "2015-11-18",
      "has_results": true,
      "last_update_posted_date": "2017-09-12",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03028987"
    },
    {
      "nct_id": "NCT00390884",
      "title": "Safety and Immunogenicity of Fluzone® Vaccine in Children Who Received 2 Doses of the 2005-2006 Fluzone Formulation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine, Fluzone®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Months",
        "maximum_age": "14 Months",
        "sex": "ALL",
        "summary": "11 Months to 14 Months"
      },
      "enrollment_count": 173,
      "start_date": "2006-10",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 5,
      "location_summary": "Layton, Utah • Pleasant Grove, Utah • Provo, Utah + 2 more",
      "locations": [
        {
          "city": "Layton",
          "state": "Utah"
        },
        {
          "city": "Pleasant Grove",
          "state": "Utah"
        },
        {
          "city": "Provo",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "South Jordan",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00390884"
    },
    {
      "nct_id": "NCT02918006",
      "title": "A Phase 2 Influenza A Challenge Study Following Oral Administration of an H1N1 HA Ad-Vector Seasonal Flu Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VXA-A1.1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Tablets",
          "type": "OTHER"
        },
        {
          "name": "Saline Solution for Placebo IM Injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Vaxart",
      "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": 179,
      "start_date": "2016-08-31",
      "completion_date": "2018-01-19",
      "has_results": true,
      "last_update_posted_date": "2022-10-06",
      "last_synced_at": "2026-10-15T04:08:52.469Z",
      "location_count": 1,
      "location_summary": "Costa Mesa, California",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918006"
    }
  ]
}