{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Approved+influenza+virus+vaccine.",
    "query": {
      "intervention": "Approved influenza virus vaccine."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Approved+influenza+virus+vaccine.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T19:29:21.157Z",
  "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": "NCT01737710",
      "title": "Atopic Dermatitis Research Network (ADRN) Influenza Vaccine Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dermatitis, Atopic"
      ],
      "interventions": [
        {
          "name": "Fluzone® Intradermal Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone® (Intramuscular) 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": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 368,
      "start_date": "2012-10",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 5,
      "location_summary": "Denver, Colorado • Chicago, Illinois • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Protland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01737710"
    },
    {
      "nct_id": "NCT06191393",
      "title": "SARS-CoV-2 and Influenza A/B in Point-of-Care and Non-Laboratory Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "SARS-CoV-2 Infection",
        "Influenza A",
        "Influenza B"
      ],
      "interventions": [
        {
          "name": "Aptitude Medical Systems Metrix COVID/Flu Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Aptitude Medical Systems",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 614,
      "start_date": "2023-11-20",
      "completion_date": "2025-03-11",
      "has_results": true,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 3,
      "location_summary": "Trussville, Alabama • Goleta, California • Chelmsford, Massachusetts",
      "locations": [
        {
          "city": "Trussville",
          "state": "Alabama"
        },
        {
          "city": "Goleta",
          "state": "California"
        },
        {
          "city": "Chelmsford",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06191393"
    },
    {
      "nct_id": "NCT04077424",
      "title": "Senescent Immunity in Elders and Vaccine Responses (SILVER)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Flu Vaccine"
      ],
      "interventions": [
        {
          "name": "Fluzone-High Dose Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluad",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flublock",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "125 Years",
        "sex": "ALL",
        "summary": "65 Years to 125 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-10-21",
      "completion_date": "2020-02-01",
      "has_results": true,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077424"
    },
    {
      "nct_id": "NCT01309568",
      "title": "\"Quidel Reader Influenza A + B Test 510(k) and CLIA Waiver Field Study\"",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Quidel Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2500,
      "start_date": "2011-02",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2011-05-12",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 16,
      "location_summary": "Carlsbad, California • Panorama City, California • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        },
        {
          "city": "Panorama City",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Northglenn",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01309568"
    },
    {
      "nct_id": "NCT03743688",
      "title": "Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza",
        "Influenza, Human",
        "Vaccine Reaction",
        "Influenza A",
        "Influenza Type B",
        "Influenza A H1N1",
        "Influenza A H3N2"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine Recipients",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-12-04",
      "completion_date": "2019-07-26",
      "has_results": false,
      "last_update_posted_date": "2019-08-05",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03743688"
    },
    {
      "nct_id": "NCT02946177",
      "title": "Effect of Influenza Vaccination on Donor Egg Recipient Outcomes",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Infertility",
        "Recurrent Miscarriage"
      ],
      "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": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 126,
      "start_date": "2017-01-19",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-18",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02946177"
    },
    {
      "nct_id": "NCT02872311",
      "title": "Open-Label Influenza Vaccine Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immune Response"
      ],
      "interventions": [
        {
          "name": "High Dose Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adjuvanted Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard Dose Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Recombinant Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "65 Years to 74 Years"
      },
      "enrollment_count": 179,
      "start_date": "2016-09",
      "completion_date": "2018-09",
      "has_results": true,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872311"
    },
    {
      "nct_id": "NCT05616546",
      "title": "Bone Marrow and Peripheral Blood Immune Responses Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 90,
      "start_date": "2023-10-16",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-31",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05616546"
    },
    {
      "nct_id": "NCT05140148",
      "title": "Promoting Recovery After STroke With Amantadine",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Stroke, Ischemic",
        "Stroke Hemorrhagic"
      ],
      "interventions": [
        {
          "name": "Amantadine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-02-01",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05140148"
    },
    {
      "nct_id": "NCT05352581",
      "title": "BD Veritor™ At-Home and BD Veritor™ Professional",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Upper Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "BD Veritor At-Home",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "BD Veritor Professional",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Becton, Dickinson and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 1146,
      "start_date": "2022-07-21",
      "completion_date": "2023-04-14",
      "has_results": false,
      "last_update_posted_date": "2023-06-07",
      "last_synced_at": "2026-10-09T19:29:21.157Z",
      "location_count": 9,
      "location_summary": "Coconut Creek, Florida • Palm Springs, Florida • Pembroke Pines, Florida + 6 more",
      "locations": [
        {
          "city": "Coconut Creek",
          "state": "Florida"
        },
        {
          "city": "Palm Springs",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Asheville",
          "state": "North Carolina"
        },
        {
          "city": "Easley",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05352581"
    }
  ]
}