{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=28",
    "query": {
      "condition": "Flu",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 1140,
    "total_pages": 114,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T17:34:36.434Z",
  "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": "NCT01695733",
      "title": "Response to Influenza Vaccine in Patients With Non-Hematologic Malignancies Receiving Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-09",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2018-08-31",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01695733"
    },
    {
      "nct_id": "NCT01691326",
      "title": "Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Influenza Virus Vaccine (2012-2013 Formulation)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone®: Influenza Virus Vaccine, No Preservative: Pediatric Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®; Influenza Virus Vaccine, No Preservative",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "6 Months to 8 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-09",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-04-16",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 2,
      "location_summary": "Bardstown, Kentucky • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691326"
    },
    {
      "nct_id": "NCT00524940",
      "title": "Trial to Describe the Safety and Immunogenicity of Fluzone®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated, Split-Virion Influenza Virus",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2007-08",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00524940"
    },
    {
      "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": "2026-10-23T17:34:36.434Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02212990"
    },
    {
      "nct_id": "NCT02768805",
      "title": "Immunogenicity of a Quadrivalent Virus-Like Particles (VLP) Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Virus Diseases",
        "RNA Virus Infections",
        "Respiratory Tract Diseases",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "15 µg/strain of Quadrivalent VLP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "30 µg/strain of Quadrivalent VLP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "15 µg/strain of the licensed quadrivalent vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medicago",
      "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": 900,
      "start_date": "2016-03-02",
      "completion_date": "2016-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-06-11",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 3,
      "location_summary": "Hollywood, Florida • South Miami, Florida • Endwell, New York",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Endwell",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02768805"
    },
    {
      "nct_id": "NCT00985088",
      "title": "Safety and Immunogenicity of H1N1 Vaccines in Adults Aged 18 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "GSK2340274A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GSK2340273A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline placebo",
          "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": 1343,
      "start_date": "2009-10-11",
      "completion_date": "2010-12-16",
      "has_results": true,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 10,
      "location_summary": "Huntsville, Alabama • Jacksonville, Florida • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00985088"
    },
    {
      "nct_id": "NCT03481270",
      "title": "The Oakland Men's Health Disparities Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior",
        "Cardiovascular Risk Factor",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Concordant",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 1374,
      "start_date": "2017-10-14",
      "completion_date": "2018-03-03",
      "has_results": true,
      "last_update_posted_date": "2019-10-25",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03481270"
    },
    {
      "nct_id": "NCT01068912",
      "title": "Dose-Finding Study of Favipiravir in the Treatment of Uncomplicated Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Favipiravir",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MDVI, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 530,
      "start_date": "2010-02",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2015-11-18",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 148,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 118 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Scottsboro",
          "state": "Alabama"
        },
        {
          "city": "Toney",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068912"
    },
    {
      "nct_id": "NCT04596657",
      "title": "Vitamin D3 Supplementation to Prevent Respiratory Tract Infections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Tract Infections",
        "Covid19",
        "Flu Like Illness"
      ],
      "interventions": [
        {
          "name": "Vitamin D supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Cooper Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 877,
      "start_date": "2020-10-27",
      "completion_date": "2023-10-19",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04596657"
    },
    {
      "nct_id": "NCT00645411",
      "title": "Pediatric Safety and Immunogenicity Study of Cell-Culture Derived and Egg-based Subunit Influenza Vaccines in Healthy Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Cell culture-derived influenza subunit vaccine (cTIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Egg derived influenza subunit vaccine (eTIV)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 3604,
      "start_date": "2007-10",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2015-11-23",
      "last_synced_at": "2026-10-23T17:34:36.434Z",
      "location_count": 16,
      "location_summary": "Fayetteville, Arkansas • Downey, California • Bardstown, Kentucky + 12 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00645411"
    }
  ]
}