{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=9",
    "query": {
      "intervention": "Influenza vaccine",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 1157,
    "total_pages": 116,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T11:07:43.828Z",
  "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": "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": "2026-10-14T11:07:43.828Z",
      "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": "2026-10-14T11:07:43.828Z",
      "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": "2026-10-14T11:07:43.828Z",
      "location_count": 1,
      "location_summary": "Northglenn, Colorado",
      "locations": [
        {
          "city": "Northglenn",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095844"
    },
    {
      "nct_id": "NCT03969212",
      "title": "Study to Assess the Efficacy of Baloxavir Marboxil Versus Placebo to Reduce Onward Transmission of Influenza A or B in Households",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Baloxavir Marboxil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "5 Years to 64 Years"
      },
      "enrollment_count": 4138,
      "start_date": "2019-10-10",
      "completion_date": "2024-05-10",
      "has_results": true,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Pelham, Alabama • Phoenix, Arizona + 32 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pelham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03969212"
    },
    {
      "nct_id": "NCT07215871",
      "title": "Rechallenge With a Low Pathogenicity Avian H10N7 Influenza Virus in Healthy Human Volunteers Previously Challenged With H10N7 Influenza",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza Infection",
        "Infections",
        "Respiratory Virus Infections",
        "Respiratory Tract Infections",
        "RNA Viruses",
        "Orthomyxoviridae Infections",
        "Viral Diseases"
      ],
      "interventions": [
        {
          "name": "A/Mallard/Ohio-99/MM4/1989 H10N7",
          "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": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 33,
      "start_date": "2026-04-21",
      "completion_date": "2027-09-29",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07215871"
    },
    {
      "nct_id": "NCT00328107",
      "title": "Immunogenicity and Safety of Trivalent Recombinant Hemagglutinin Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine, recombinant Hemagglutinin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Protein Sciences Corporation",
      "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": 459,
      "start_date": "2004-11",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2010-01-12",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 3,
      "location_summary": "Rochester, New York • Cincinnati, Ohio • Charlottesville, Virginia",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00328107"
    },
    {
      "nct_id": "NCT03658629",
      "title": "Phase 2 Dose and Formulation Confirmation of Quad-NIV in Older Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "NanoFlu (Quad-NIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matrix-M Adjuvant",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Fluzone HD",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flublok Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1375,
      "start_date": "2018-09-24",
      "completion_date": "2019-04-26",
      "has_results": true,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 14,
      "location_summary": "Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 11 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03658629"
    },
    {
      "nct_id": "NCT06382311",
      "title": "A Study to Find and Confirm the Dose and Assess Safety, Reactogenicity and Immune Response of a Vaccine Against Pandemic H5N1 Influenza Virus in Healthy Younger and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Flu Pandemic mRNA_Dose level 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu Pandemic mRNA_Dose level 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu Pandemic mRNA_ Dose level 3.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu Pandemic mRNA_ Dose level 4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu Pandemic mRNA_Dose level 5",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu Pandemic mRNA_Dose level 6",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 991,
      "start_date": "2024-04-18",
      "completion_date": "2026-01-13",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 21,
      "location_summary": "Anniston, Alabama • Little Rock, Arkansas • Fort Collins, Colorado + 18 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06382311"
    },
    {
      "nct_id": "NCT01729429",
      "title": "An Intervention Promoting HPV Vaccination in Safety-net Clinics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus-Related Cervical Carcinoma"
      ],
      "interventions": [
        {
          "name": "HPV brochure, recall, reminders",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General Adolescent Vaccine Brochure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "11 Years to 18 Years · Female only"
      },
      "enrollment_count": 831,
      "start_date": "2010-05",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2020-03-18",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01729429"
    },
    {
      "nct_id": "NCT00943631",
      "title": "Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels in Adult and Elderly Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated H1N1 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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2009-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2012-10-31",
      "last_synced_at": "2026-10-14T11:07:43.828Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina • Nashville, Tennessee",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943631"
    }
  ]
}