{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Influenza",
    "query": {
      "condition": "Seasonal Influenza"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 104,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Influenza&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T02:50:22.951Z",
  "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": "NCT01196975",
      "title": "A Study to Evaluate the Safety and Immunogenicity of GSK Biologicals' Seasonal Influenza Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Quadrivalent seasonal influenza vaccine GSK2282512A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluLavalTM-VB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluLavalTM-YB",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1707,
      "start_date": "2010-10-01",
      "completion_date": "2011-06-24",
      "has_results": true,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 6,
      "location_summary": "Mesa, Arizona • Wichita, Kansas • Elkridge, Maryland + 3 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Elkridge",
          "state": "Maryland"
        },
        {
          "city": "Endwell",
          "state": "New York"
        },
        {
          "city": "Jefferson Hills",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01196975"
    },
    {
      "nct_id": "NCT01381029",
      "title": "Immune Response to Seasonal Influenza Vaccine in HIV Infected Individuals",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza, Human",
        "Human Immunodeficiency Virus I Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 74,
      "start_date": "2009-09",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2023-05-19",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01381029"
    },
    {
      "nct_id": "NCT01014988",
      "title": "Safety Study to Assess IV Zanamivir for Treatment of Influenza Infection in Patients Who Are in Hospital",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "zanamivir aqueous solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 202,
      "start_date": "2009-11",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2017-03-28",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01014988"
    },
    {
      "nct_id": "NCT02342249",
      "title": "Study of Acute Uncomplicated Seasonal Influenza A in Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza A"
      ],
      "interventions": [
        {
          "name": "VX-787 300 mg",
          "type": "DRUG"
        },
        {
          "name": "VX-787 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir 75 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 292,
      "start_date": "2014-12-11",
      "completion_date": "2016-05-25",
      "has_results": false,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 129,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 126 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gulf Shores",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Scottsboro",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02342249"
    },
    {
      "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": "2026-05-22T02:50:22.951Z",
      "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": "NCT01688297",
      "title": "Safety Study of an Oral Vaccine to Prevent Seasonal Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VXA-A1.1 Oral Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VXA Placebo Tablet",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vaxart",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 61,
      "start_date": "2012-09",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2017-05-12",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01688297"
    },
    {
      "nct_id": "NCT01609998",
      "title": "Seasonal Influenza DNA Vaccine & Seasonal Influenza Trivalent Inactivated Vaccine (TIV) in Children & Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Seasonal Influenza DNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 75,
      "start_date": "2012-06",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2018-12-06",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • St Louis, Missouri • Lebanon, New Hampshire + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01609998"
    },
    {
      "nct_id": "NCT00987350",
      "title": "Safety Study of Seasonal Influenza Vaccine by Jet Injection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "LectraJet",
          "type": "DEVICE"
        },
        {
          "name": "TIV by jet injection",
          "type": "DEVICE"
        },
        {
          "name": "Seasonal Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BIOLOGICAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "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": "2010-01",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987350"
    },
    {
      "nct_id": "NCT01676402",
      "title": "Seasonal Influenza HA DNA With Trivalent Inactivated Vaccine (TIV) Administered ID or IM in Healthy Adults 18-70 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Seasonal Influenza DNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV",
          "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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 316,
      "start_date": "2012-08",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2022-08-25",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 4,
      "location_summary": "Stanford, California • Iowa City, Iowa • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01676402"
    },
    {
      "nct_id": "NCT00412737",
      "title": "A Study of Oseltamivir (Tamiflu) for the Seasonal Prophylaxis of Influenza in Immunocompromised Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 477,
      "start_date": "2007-01",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2016-06-10",
      "last_synced_at": "2026-05-22T02:50:22.951Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Stanford, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00412737"
    }
  ]
}