{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=8",
    "query": {
      "intervention": "Influenza Virus Vaccine",
      "page": 8
    },
    "page_size": 10
  },
  "pagination": {
    "page": 8,
    "page_size": 10,
    "total_count": 1124,
    "total_pages": 113,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=9&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=7&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T04:43:06.447Z",
  "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": "NCT00972816",
      "title": "Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Children (3 to < 9 Years)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "MF59-eH1N1",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "3 Years to 8 Years"
      },
      "enrollment_count": 1357,
      "start_date": "2009-09",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 34,
      "location_summary": "Downey, California • Madera, California • Paramount, California + 29 more",
      "locations": [
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "West Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00972816"
    },
    {
      "nct_id": "NCT05886777",
      "title": "A Study to Learn About Two or More Vaccines That Are Put Together as One Shot Against Infectious Lung Illnesses, Including COVID-19 and Respiratory Syncytial Virus (RSV).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Combination [RSVpreF+BNTb162b2]",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bivalent BNT162b2 (original/Omi BA.4/BA.5)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSVpreF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1142,
      "start_date": "2023-06-05",
      "completion_date": "2024-01-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 37,
      "location_summary": "Dublin, California • Huntington Beach, California • Lake Forest, California + 26 more",
      "locations": [
        {
          "city": "Dublin",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886777"
    },
    {
      "nct_id": "NCT04109222",
      "title": "Collection of Serum Samples From Children and Older Adults Receiving the 2019-2020 Formulations of Fluzone® Quadrivalent and Fluzone® High-Dose Influenza Vaccines, Respectively",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone Quadrivalent vaccine, no preservative (0.5-mL), 2019-2020 formulation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High-Dose vaccine, 2019-2020 formulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "83 Years",
        "sex": "ALL",
        "summary": "6 Months to 83 Years"
      },
      "enrollment_count": 90,
      "start_date": "2019-09-30",
      "completion_date": "2019-12-10",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "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/NCT04109222"
    },
    {
      "nct_id": "NCT04712539",
      "title": "Baloxavir and Oseltamivir for the Treatment of Severe Influenza Infection in Immunocompromised Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Baloxavir Marboxil",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2021-10-11",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04712539"
    },
    {
      "nct_id": "NCT03246100",
      "title": "Centralized IIS-based Reminder/Recall to Increase Childhood Influenza Vaccination Rates_2nd Trial in Colorado",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reminder Systems",
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Reminders",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 25531,
      "start_date": "2017-09-06",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03246100"
    },
    {
      "nct_id": "NCT03336619",
      "title": "A Phase III, Randomized, Double-Blind, Placebo Controlled Trial to Evaluate the Efficacy and Safety of Nitazoxanide in the Treatment of Uncomplicated Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Nitazoxanide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Romark Laboratories L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1030,
      "start_date": "2018-01-17",
      "completion_date": "2019-04-17",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 34,
      "location_summary": "Alabaster, Alabama • Birmingham, Alabama • Hoover, Alabama + 28 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Pelham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03336619"
    },
    {
      "nct_id": "NCT05513053",
      "title": "Study With Quadrivalent Recombinant Influenza Vaccine (RIV4) in Participants 9 Through 49 Years of Age.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Recombinant influenza vaccine (RIV4) season/2022-2023/NH",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "9 Years to 49 Years"
      },
      "enrollment_count": 1308,
      "start_date": "2022-10-27",
      "completion_date": "2023-10-27",
      "has_results": true,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • San Diego, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05513053"
    },
    {
      "nct_id": "NCT03479736",
      "title": "A Study of Fluoroquinolones Exposure and Collagen-Related Serious Adverse Events",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Detachment",
        "Achilles Tendon",
        "Aneurysm, Dissecting"
      ],
      "interventions": [
        {
          "name": "Oral Fluoroquinolones (FQ)",
          "type": "DRUG"
        },
        {
          "name": "Other Antibiotics",
          "type": "DRUG"
        },
        {
          "name": "Febrile Illness Not Treated with Antibiotics Will be Analyzed as an Exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 117911,
      "start_date": "2017-11-20",
      "completion_date": "2018-06-04",
      "has_results": false,
      "last_update_posted_date": "2025-06-25",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 1,
      "location_summary": "Titusville, New Jersey",
      "locations": [
        {
          "city": "Titusville",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03479736"
    },
    {
      "nct_id": "NCT04956575",
      "title": "A Study of mRNA-1010 Seasonal Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Influenza"
      ],
      "interventions": [
        {
          "name": "mRNA-1010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Active Comparator",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 885,
      "start_date": "2021-07-06",
      "completion_date": "2022-09-27",
      "has_results": true,
      "last_update_posted_date": "2023-10-27",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Colton, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04956575"
    },
    {
      "nct_id": "NCT05095844",
      "title": "National Vaccine Adverse Event Reporting Survey and Etiology",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Vaccine Adverse Reaction",
        "Vaccine Reaction",
        "Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use",
        "Corona Virus Infection",
        "Blood Clot",
        "Thrombocytopenia",
        "Neuritis",
        "Vasculitis",
        "Influenza",
        "Guillain-Barré",
        "GWAS",
        "Genetic Sequencing"
      ],
      "interventions": [
        {
          "name": "vaccinated",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Neuroganics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "5 Years to 99 Years"
      },
      "enrollment_count": 100000,
      "start_date": "2022-03-15",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-03-18",
      "last_synced_at": "2026-10-14T04:43:06.447Z",
      "location_count": 1,
      "location_summary": "Northglenn, Colorado",
      "locations": [
        {
          "city": "Northglenn",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095844"
    }
  ]
}