{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=28",
    "query": {
      "intervention": "Influenza Virus Vaccine",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 1125,
    "total_pages": 113,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T04:56:45.670Z",
  "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": "NCT01187017",
      "title": "A Pilot Study of Fludarabine Plus Cyclophosphamide in Refractory Severe Aplastic Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Aplastic Anemia",
        "Neutropenia",
        "Pancytopenia",
        "Severe Aplastic Anemia"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2010-08",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2021-07-02",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01187017"
    },
    {
      "nct_id": "NCT02947217",
      "title": "Effect of Influenza Vaccination on IVF Outcomes - IVF",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sterile Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Center for Human Reproduction",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "38 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 38 Years · Female only"
      },
      "enrollment_count": 238,
      "start_date": "2017-01-19",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-03-10",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947217"
    },
    {
      "nct_id": "NCT01216332",
      "title": "Standard Versus High-Dose Trivalent Inactivated Flu Vaccine in Pediatric Acute Lymphoblastic Leukemia Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pediatric Patients With Acute Lymphoblastic Leukemia"
      ],
      "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": 50,
      "start_date": "2010-10",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2019-05-03",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01216332"
    },
    {
      "nct_id": "NCT05630365",
      "title": "Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Rapid Panel Professional Use Product Using Mid-Turbinate Nasal Swabs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19",
        "Influenza A",
        "Influenza Type B"
      ],
      "interventions": [
        {
          "name": "Panbio™",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Abbott Rapid Dx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1129,
      "start_date": "2022-12-15",
      "completion_date": "2023-03-31",
      "has_results": false,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05630365"
    },
    {
      "nct_id": "NCT02250274",
      "title": "Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immune Response to Influenza Vaccine",
        "Influenza A Virus Infection",
        "Influenza B Virus Infection"
      ],
      "interventions": [
        {
          "name": "LAIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 131,
      "start_date": "2014-09",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02250274"
    },
    {
      "nct_id": "NCT00722774",
      "title": "Safety and Immune Response to Recombinant Live-Attenuated Influenza H2N2 Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "H2N2 1960 AA ca recombinant 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": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 22,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2008-11-10",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00722774"
    },
    {
      "nct_id": "NCT02371668",
      "title": "Efficacy and Safety of CR6261 in an H1N1 Influenza Healthy Volunteer Human Challenge Model",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "H1N1 Influenza Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "CR6261",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 104,
      "start_date": "2015-02-25",
      "completion_date": "2018-11-30",
      "has_results": true,
      "last_update_posted_date": "2020-03-17",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02371668"
    },
    {
      "nct_id": "NCT04579250",
      "title": "Dose, Safety, Tolerability and Immunogenicity of an Influenza H10 Stabilized Stem Ferritin Vaccine, VRC-FLUNPF0103-00-VP, in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VRC-FLUNPF0103-00-VP (H10ssF-6473)",
          "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": 25,
      "start_date": "2020-10-08",
      "completion_date": "2022-01-27",
      "has_results": true,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04579250"
    },
    {
      "nct_id": "NCT00538512",
      "title": "Comparative Study of Influenza Vaccines in Adults, FLUVACS-year 4",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flumist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Physiologic saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "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": 1952,
      "start_date": "2007-09",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 4,
      "location_summary": "Ann Arbor, Michigan • Kalamazoo, Michigan • Mount Pleasant, Michigan + 1 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        },
        {
          "city": "Mount Pleasant",
          "state": "Michigan"
        },
        {
          "city": "Ypsilanti",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538512"
    },
    {
      "nct_id": "NCT00258830",
      "title": "Safety and Immunogenicity of the 2005-2006 Fluzone® Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone®: Influenza Virus Vaccine",
          "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": 120,
      "start_date": "2005-09",
      "completion_date": "2007-03",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-17T04:56:45.670Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00258830"
    }
  ]
}