{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Trivalent+Influenza+Vaccine",
    "query": {
      "intervention": "Trivalent Influenza Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 184,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Trivalent+Influenza+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T06:24:30.027Z",
  "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": "NCT00170443",
      "title": "Trivalent rHA Dose Escalation Study in Elderly Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "rHAO Trivalent 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": "65 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "65 Years to 80 Years"
      },
      "enrollment_count": 399,
      "start_date": null,
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2011-08-12",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 3,
      "location_summary": "Rochester, New York • Cincinnati, Ohio • Houston, Texas",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00170443"
    },
    {
      "nct_id": "NCT02214225",
      "title": "A Study to Evaluate the Immunogenicity and Safety of bioCSL Quadrivalent Influenza Vaccine (QIV) in Adults Aged 18 Years and Above.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Influenza Vaccine (QIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent Influenza Vaccine (TIV-1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent Influenza Vaccine (TIV-2)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3484,
      "start_date": "2014-08",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-03-13",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 33,
      "location_summary": "Huntsville, Alabama • Los Angeles, California • San Diego, California + 29 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02214225"
    },
    {
      "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": "2026-09-26T06:24:30.027Z",
      "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": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831934"
    },
    {
      "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": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133588"
    },
    {
      "nct_id": "NCT00192192",
      "title": "Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine, Trivalent, Types A & B, Live Cold Adapted (CAIV-T) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "CAIV-T",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2000-11",
      "completion_date": "2000-12",
      "has_results": false,
      "last_update_posted_date": "2021-09-13",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Stamford, Connecticut",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00192192"
    },
    {
      "nct_id": "NCT00375206",
      "title": "A Safety and Immunology Study of a DNA Trivalent Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent DNA Vaccine (PIA0601) with or without DEI-LT (pPJV2012)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "PowderMed",
      "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": 189,
      "start_date": "2006-09",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2007-01-29",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 2,
      "location_summary": "Lenexa, Kansas • Springfield, Missouri",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00375206"
    },
    {
      "nct_id": "NCT01215734",
      "title": "Standard vs High-Dose Trivalent Inactivated Flu Vaccine in Adult Hematopoetic Stem Cell Transplant (HSCT) Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Stem Cell Hematopoetic Transplant"
      ],
      "interventions": [
        {
          "name": "High-Dose Trivalent Inactivated Influenza Vaccine (HD-TIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard Dose Trivalent Inactivated Flu Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2010-10",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2013-03-08",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01215734"
    },
    {
      "nct_id": "NCT01698177",
      "title": "Optimizing Influenza Vaccination in Surgical Oncology Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 204,
      "start_date": "2011-10",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-04-19",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01698177"
    },
    {
      "nct_id": "NCT01224301",
      "title": "School Influenza Vaccine vs Standard of Care With Nested Trial of 2 Parent Notification Intensities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunizations",
        "Vaccination",
        "Influenza",
        "School Health"
      ],
      "interventions": [
        {
          "name": "School based flu vaccine: Low intensity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "School based flu vaccine: High intensity",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Monroe County Department of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "13 Years",
        "sex": "ALL",
        "summary": "4 Years to 13 Years"
      },
      "enrollment_count": 25366,
      "start_date": "2009-09",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2012-04-04",
      "last_synced_at": "2026-09-26T06:24:30.027Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01224301"
    }
  ]
}