{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=IIV+Flu+Vaccine",
    "query": {
      "intervention": "IIV Flu Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=IIV+Flu+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T01:24:12.637Z",
  "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": "NCT02967393",
      "title": "Influenza Vaccine Feasibility Study in Children With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthmatic"
      ],
      "interventions": [
        {
          "name": "ccIIV4",
          "type": "DRUG"
        },
        {
          "name": "IIV4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-10-10",
      "completion_date": "2017-02-01",
      "has_results": true,
      "last_update_posted_date": "2018-04-23",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02967393"
    },
    {
      "nct_id": "NCT02508194",
      "title": "A Study to Evaluate the Efficacy of MEDI7510 in Older Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus"
      ],
      "interventions": [
        {
          "name": "MEDI7510",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "60 Years to 99 Years"
      },
      "enrollment_count": 1900,
      "start_date": "2015-09-29",
      "completion_date": "2016-11-07",
      "has_results": true,
      "last_update_posted_date": "2017-12-26",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 30,
      "location_summary": "Sacramento, California • San Francisco, California • Aurora, Colorado + 27 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Lady Lake",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02508194"
    },
    {
      "nct_id": "NCT03682120",
      "title": "Safety/Efficacy Study of Seqirus A/H7N9 IIV With or Without MF59(R) Adjuvant to Prevent Avian Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Avian Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "A/H7N9",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF59",
          "type": "DRUG"
        },
        {
          "name": "Phosphate Buffered Saline (PBS) diluent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 372,
      "start_date": "2018-11-02",
      "completion_date": "2020-04-30",
      "has_results": true,
      "last_update_posted_date": "2021-05-17",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • St Louis, Missouri • Cincinnati, Ohio + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03682120"
    },
    {
      "nct_id": "NCT03472976",
      "title": "H5N1 With or Without Topical Aldara in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Avian Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "Aqueous Cream B.P.",
          "type": "OTHER"
        },
        {
          "name": "Imiquimod",
          "type": "DRUG"
        },
        {
          "name": "Influenza Virus Vaccine, Monovalent A/H5N1 A/Vietnam/1203/04",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 50,
      "start_date": "2018-06-13",
      "completion_date": "2019-03-04",
      "has_results": false,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03472976"
    },
    {
      "nct_id": "NCT02154061",
      "title": "Systems Biology of Flu Vaccine in Healthy Adults With and Without the Use of Antibiotics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "IIV Flu Vaccine",
          "type": "DRUG"
        },
        {
          "name": "Metronidazole",
          "type": "DRUG"
        },
        {
          "name": "Neomycin",
          "type": "DRUG"
        },
        {
          "name": "Vancomycin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 33,
      "start_date": "2015-04",
      "completion_date": "2017-05-26",
      "has_results": true,
      "last_update_posted_date": "2018-08-15",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02154061"
    },
    {
      "nct_id": "NCT02250274",
      "title": "Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immune Response to Influenza Vaccine",
        "Influenza A Virus Infection",
        "Influenza B Virus Infection"
      ],
      "interventions": [
        {
          "name": "LAIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 131,
      "start_date": "2014-09",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02250274"
    },
    {
      "nct_id": "NCT03600428",
      "title": "Safety of LAIV4 in Children With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma in Children",
        "Vaccine Adverse Reaction",
        "Vaccine Reaction",
        "Asthma",
        "Wheezing",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Live Attenuated Influenza Vaccine (LAIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inactivated Influenza Vaccine (IIV)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 152,
      "start_date": "2018-10-15",
      "completion_date": "2020-03-20",
      "has_results": true,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 3,
      "location_summary": "Durham, North Carolina • Cincinnati, Ohio • Nashville, Tennessee",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03600428"
    },
    {
      "nct_id": "NCT03738241",
      "title": "2017 A/H7N9 IIV Revaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Avian Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "A/H7N9",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AS03",
          "type": "DRUG"
        },
        {
          "name": "Phosphate Buffered Saline (PBS) diluent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 304,
      "start_date": "2018-12-18",
      "completion_date": "2020-06-19",
      "has_results": true,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 9,
      "location_summary": "Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 6 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03738241"
    },
    {
      "nct_id": "NCT04785794",
      "title": "Safety and Immunogenicity of the Sing2016 M2SR H3N2 Monovalent Influenza Vaccine in Adults Ages 50 to 85 Years Old",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza Vaccine"
      ],
      "interventions": [
        {
          "name": "Sing2016 M2SR H3N2 influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "FluGen Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 122,
      "start_date": "2021-06-30",
      "completion_date": "2021-11-30",
      "has_results": true,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 3,
      "location_summary": "Anaheim, California • DeLand, Florida • Lenexa, Kansas",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04785794"
    },
    {
      "nct_id": "NCT01825200",
      "title": "Comparison of the Safety of Flublok® Versus Licensed IIV in Healthy, Medically Stable Adults ≥ 50 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Flublok",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Afluria",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Protein Sciences Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2640,
      "start_date": "2013-03",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2015-02-18",
      "last_synced_at": "2026-09-21T01:24:12.637Z",
      "location_count": 14,
      "location_summary": "Tucson, Arizona • Coral Gables, Florida • Savannah, Georgia + 11 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01825200"
    }
  ]
}