{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+Trivalent+Influenza+Vaccine",
    "query": {
      "intervention": "Standard Trivalent Influenza Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 38,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+Trivalent+Influenza+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T14:45:07.711Z",
  "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": "NCT00307177",
      "title": "Trivalent Baculovirus-expressed Influenza HA Vaccine in Adults With Non-Hodgkin's B-cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent Baculovirus-expressed Influenza HA vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2004-08",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2014-12-05",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00307177"
    },
    {
      "nct_id": "NCT01525004",
      "title": "Standard Dose Versus High-Dose Inactivated Flu Vaccine in Pediatric Solid Organ Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pediatric Solid Organ Transplant Patients"
      ],
      "interventions": [
        {
          "name": "High-Dose trivalent inactivated influenza vaccine",
          "type": "DRUG"
        },
        {
          "name": "Standard dose trivalent inactivated influenza vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 38,
      "start_date": "2011-09",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2016-08-16",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01525004"
    },
    {
      "nct_id": "NCT01264601",
      "title": "Safe Administration of Flu Vaccine to Egg Allergic Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Egg Allergy"
      ],
      "interventions": [
        {
          "name": "Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "6 Months to 24 Years"
      },
      "enrollment_count": 31,
      "start_date": "2010-10",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Ann Arbor, Michigan • Rochester, Minnesota + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01264601"
    },
    {
      "nct_id": "NCT02882100",
      "title": "Adjuvanted Influenza Vaccination in U.S. Nursing Homes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Influenza-like Illness"
      ],
      "interventions": [
        {
          "name": "adjuvanted trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Insight Therapeutics, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 823,
      "start_date": "2016-04",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-03-15",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02882100"
    },
    {
      "nct_id": "NCT06744205",
      "title": "A Study on the Safety and Immunogenicity of Hexavalent Influenza mRNA Vaccine in Adult Participants 50 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Trivalent (TIV) messenger ribonucleic acid (mRNA) hemagglutinin (HA) Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV mRNA-neuraminidase (NA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV mRNA-HA Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza Standard Dose Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza Vaccine High Dose",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1162,
      "start_date": "2025-01-06",
      "completion_date": "2026-05-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tempe, Arizona + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06744205"
    },
    {
      "nct_id": "NCT00772109",
      "title": "Study of Fluzone Vaccine Administered by Intradermal Route in Comparison With Standard Fluzone® in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Orthomyxoviridae Infection",
        "Influenza",
        "Myxovirus Infection"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine USP Trivalent Types A and B",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "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": 4292,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 46,
      "location_summary": "Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 40 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00772109"
    },
    {
      "nct_id": "NCT00396305",
      "title": "Th1 Response to Influenza: Aging and Vaccine Efficacy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Trivalent Inactivated Influenza",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 41,
      "start_date": "2006-11",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2010-08-27",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00396305"
    },
    {
      "nct_id": "NCT01666782",
      "title": "Study Comparing High-Dose Flu Vaccine to Standard Vaccine in Cancer Patients Less Than 65 Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer",
        "Influenza Viral Infections"
      ],
      "interventions": [
        {
          "name": "Standard Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High-Dose Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Saad Jamshed MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 105,
      "start_date": "2012-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-06-24",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 2,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01666782"
    },
    {
      "nct_id": "NCT00253734",
      "title": "Immunogenicity and Safety of Different Doses of Fluzone® Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone® (IM)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®",
          "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": 217,
      "start_date": "2005-11",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2013-06-03",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00253734"
    },
    {
      "nct_id": "NCT00551031",
      "title": "Study of Inactivated, Split-Virion Influenza Vaccine and Standard Fluzone® Vaccine in Adult and Elderly Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Myxovirus Infection"
      ],
      "interventions": [
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine (Intradermal Formulation 1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine (Intradermal Formulation 2)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine (Standard dose)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine (High-dose)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2098,
      "start_date": "2007-10",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2016-05-16",
      "last_synced_at": "2026-10-01T14:45:07.711Z",
      "location_count": 29,
      "location_summary": "Alabaster, Alabama • Mobile, Alabama • Chandler, Arizona + 26 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00551031"
    }
  ]
}