{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TIV+%28Fluzone%29+Influenza+Vaccination",
    "query": {
      "intervention": "TIV (Fluzone) Influenza Vaccination"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 350,
    "total_pages": 35,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=TIV+%28Fluzone%29+Influenza+Vaccination&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T06:13:47.524Z",
  "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": "NCT04613206",
      "title": "High vs. Standard Dose Influenza Vaccine in Adult SOT Recipients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Immunization; Infection",
        "Transplantation Infection",
        "Influenza",
        "Solid Organ Transplant"
      ],
      "interventions": [
        {
          "name": "High Dose Quadrivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard Dose Quadrivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 396,
      "start_date": "2021-01-11",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04613206"
    },
    {
      "nct_id": "NCT07147517",
      "title": "Preparedness Through Respiratory Virus Epidemiology and Community Engagement",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Infection Virus",
        "COVID -19",
        "RSV",
        "FLU"
      ],
      "interventions": [
        {
          "name": "Component A0",
          "type": "OTHER"
        },
        {
          "name": "Component A1",
          "type": "OTHER"
        },
        {
          "name": "Component A2",
          "type": "OTHER"
        },
        {
          "name": "Component B",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 25000,
      "start_date": "2025-10-08",
      "completion_date": "2030-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • San Ysidro, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Ysidro",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07147517"
    },
    {
      "nct_id": "NCT02874274",
      "title": "Vaccination Uptake (VAX) in PD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home Visit Program (HVP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2016-09",
      "completion_date": "2018-04-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-10",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02874274"
    },
    {
      "nct_id": "NCT02982915",
      "title": "Lomecel-B on Vaccine-Specific Antibody- Response in Subjects With Aging Frailty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Aging Frailty"
      ],
      "interventions": [
        {
          "name": "Longeveron Mesenchymal Stem Cells (LMSCs)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High Dose Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Longeveron Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "65 Years to 90 Years"
      },
      "enrollment_count": 62,
      "start_date": "2016-11",
      "completion_date": "2022-09",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 6,
      "location_summary": "Coral Gables, Florida • Fort Myers, Florida • Miami, Florida + 2 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02982915"
    },
    {
      "nct_id": "NCT02385123",
      "title": "Evaluation of Human Immune Responses to Influenza Virus Vaccination in Healthy Volunteers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine Inactivated",
          "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": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-04-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-25",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02385123"
    },
    {
      "nct_id": "NCT01831934",
      "title": "Responses to Influenza Vaccine in Patients With Mitochondrial Disorders (MELAS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "MELAS Syndrome"
      ],
      "interventions": [
        {
          "name": "Fluzone®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "13 Years to 65 Years"
      },
      "enrollment_count": 22,
      "start_date": "2010-09",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831934"
    },
    {
      "nct_id": "NCT02212990",
      "title": "The Effect of Prophylactic Antipyretics on Immune Responses and Fever After 2014-2015 and 2015-2016 Inactivated Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fever"
      ],
      "interventions": [
        {
          "name": "Acetaminophen Arm",
          "type": "OTHER"
        },
        {
          "name": "Placebo Arm",
          "type": "OTHER"
        },
        {
          "name": "Ibuprofen Arm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "47 Months",
        "sex": "ALL",
        "summary": "6 Months to 47 Months"
      },
      "enrollment_count": 104,
      "start_date": "2014-09",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02212990"
    },
    {
      "nct_id": "NCT00133588",
      "title": "Proteomic Profiling for Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent split Inf",
          "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": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2006-11",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2010-08-27",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133588"
    },
    {
      "nct_id": "NCT02872311",
      "title": "Open-Label Influenza Vaccine Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immune Response"
      ],
      "interventions": [
        {
          "name": "High Dose Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adjuvanted Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard Dose Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Recombinant Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "65 Years to 74 Years"
      },
      "enrollment_count": 179,
      "start_date": "2016-09",
      "completion_date": "2018-09",
      "has_results": true,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872311"
    },
    {
      "nct_id": "NCT03163342",
      "title": "Immune Response Following Seasonal Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Licensed seasonal influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Altimmune, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-08",
      "completion_date": "2018-06-15",
      "has_results": true,
      "last_update_posted_date": "2019-04-26",
      "last_synced_at": "2026-09-28T06:13:47.524Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03163342"
    }
  ]
}