{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine&page=11",
    "query": {
      "intervention": "Influenza Vaccine",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 1157,
    "total_pages": 116,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T22:50:33.646Z",
  "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": "NCT01173211",
      "title": "2010-2011 Trivalent Influenza Vaccine (TIV) in Pregnant Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent inactivated 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": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 183,
      "start_date": "2010-09",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2014-12-24",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 5,
      "location_summary": "St Louis, Missouri • Durham, North Carolina • Nashville, Tennessee + 2 more",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01173211"
    },
    {
      "nct_id": "NCT06168019",
      "title": "Influenza & COVID-19 Obstetric and Perinatal Epidemiology Study in India",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza",
        "COVID-19",
        "SARS-COV-2 Infection",
        "Other Respiratory Viruses",
        "Perinatal Morbidity",
        "Infant Morbidity"
      ],
      "interventions": [
        {
          "name": "Exposures",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 10000,
      "start_date": "2023-12-26",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2025-11-28",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06168019"
    },
    {
      "nct_id": "NCT02908269",
      "title": "Safety and Immunogenicity of Fluzone® Quadrivalent and Fluzone® High-Dose, Influenza Vaccines, 2016-2017 Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone Quadrivalent vaccine, 2016-2017 formulation, No Preservative",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High-Dose, vaccine, 2016-2017 formulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2016-09-15",
      "completion_date": "2016-12-09",
      "has_results": true,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 2,
      "location_summary": "Bardstown, Kentucky • Metairie, Louisiana",
      "locations": [
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02908269"
    },
    {
      "nct_id": "NCT02544880",
      "title": "PDE5 Inhibition Via Tadalafil to Enhance Anti-Tumor Mucin 1 (MUC1) Vaccine Efficacy in Patients With HNSCC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Tadalafil",
          "type": "DRUG"
        },
        {
          "name": "Anti-MUC1 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anti-Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tadalafil Placebo",
          "type": "OTHER"
        },
        {
          "name": "Anti-MUC1 Vaccine Placebo",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care Treatment",
          "type": "OTHER"
        },
        {
          "name": "Anti-Influenza Vaccine Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Donald T. Weed, MD, FACS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2016-04-25",
      "completion_date": "2021-06-08",
      "has_results": false,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02544880"
    },
    {
      "nct_id": "NCT02907580",
      "title": "Influenza Vaccine Attitudes, Intent, and Receipt: Pediatric",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Local educational information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "National educational information",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 400,
      "start_date": "2016-09-13",
      "completion_date": "2017-06-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02907580"
    },
    {
      "nct_id": "NCT00610935",
      "title": "Intramuscular Peramivir in Subjects With Uncomplicated Acute Influenza",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Peramivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioCryst Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 82,
      "start_date": "2008-01",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 96,
      "location_summary": "Millbrook, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 80 more",
      "locations": [
        {
          "city": "Millbrook",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00610935"
    },
    {
      "nct_id": "NCT00519389",
      "title": "Safety, Reactogenicity and Immunogenicity of an H5N1 VLP",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pandemic Influenza"
      ],
      "interventions": [
        {
          "name": "H5N1 VLP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 230,
      "start_date": "2007-07",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00519389"
    },
    {
      "nct_id": "NCT06821061",
      "title": "A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "COVID-19 (Coronavirus Disease 2019)"
      ],
      "interventions": [
        {
          "name": "Investigational Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza and COVID-19 Combination Vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Influenza Vaccine 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2650,
      "start_date": "2025-02-10",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-01-26",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 31,
      "location_summary": "Anaheim, California • Lake Forest, California • Riverside, California + 26 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06821061"
    },
    {
      "nct_id": "NCT00133523",
      "title": "FLU-VACS Comparative Study in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Cold-adapted live attenuated influenza virus vaccine, trivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Trivalent inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 2349,
      "start_date": "2004-10",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2014-12-05",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 6,
      "location_summary": "Ann Arbor, Michigan • Kalamazoo, Michigan • Livonia, Michigan + 2 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        },
        {
          "city": "Livonia",
          "state": "Michigan"
        },
        {
          "city": "Mount Pleasant",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133523"
    },
    {
      "nct_id": "NCT00022035",
      "title": "Vaccine Therapy in Preventing Flu in Children With Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infection",
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "1 Year to 20 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-31",
      "last_synced_at": "2026-10-14T22:50:33.646Z",
      "location_count": 2,
      "location_summary": "Hackensack, New Jersey • Buffalo, New York",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00022035"
    }
  ]
}