{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=29",
    "query": {
      "intervention": "Influenza vaccine",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1158,
    "total_pages": 116,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+vaccine&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T19:23:48.272Z",
  "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": "NCT01954251",
      "title": "Study to Evaluate the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster Vaccine GSK1437173A When Co-administered With GSK Biologicals' Seasonal Influenza Vaccine GSK2321138A in Adults Aged 50 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes Zoster vaccine GSK 1437173A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GSK Biologicals' quadrivalent seasonal influenza vaccine FLU-D-QIV GSK2321138A",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 829,
      "start_date": "2013-10-03",
      "completion_date": "2015-03-20",
      "has_results": true,
      "last_update_posted_date": "2018-05-02",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Carnegie, Pennsylvania • Erie, Pennsylvania",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carnegie",
          "state": "Pennsylvania"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954251"
    },
    {
      "nct_id": "NCT04439695",
      "title": "Study to Evaluate the Safety and Immunogenicity of KBP-V001 Quadrivalent Influenza Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Low dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Intermediate dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "KBio Inc",
      "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": 120,
      "start_date": "2020-06-25",
      "completion_date": "2021-07-28",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04439695"
    },
    {
      "nct_id": "NCT00735475",
      "title": "A Study to Determine the Immunogenicity and Safety Profile of CSL Limited's Influenza Virus Vaccine Compared to a US Licensed Comparator Influenza Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "CSL Limited Influenza Virus Vaccine (Afluria®)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "US Licensed Influenza Virus Vaccine (Fluzone®)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1268,
      "start_date": "2008-10",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2018-05-23",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 13,
      "location_summary": "Mountain Home, Arkansas • Boise, Idaho • Iowa City, Iowa + 10 more",
      "locations": [
        {
          "city": "Mountain Home",
          "state": "Arkansas"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00735475"
    },
    {
      "nct_id": "NCT04597554",
      "title": "Cranberry Supplementation, Viral Defense, Antibody Response to the Flu Shot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition Immunology"
      ],
      "interventions": [
        {
          "name": "Cranberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 84,
      "start_date": "2020-09-21",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-21",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597554"
    },
    {
      "nct_id": "NCT02927431",
      "title": "Study to Evaluate the Efficacy and Safety of Danirixin Co-administered With Oseltamivir in the Treatment of Adults Hospitalized With Influenza",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "Danirixin 15 mg FBE",
          "type": "DRUG"
        },
        {
          "name": "Danirixin 50 mg FBE",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir 75 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2017-01-19",
      "completion_date": "2017-05-24",
      "has_results": true,
      "last_update_posted_date": "2020-11-30",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 5,
      "location_summary": "Stamford, Connecticut • Council Bluffs, Iowa • Natchitoches, Louisiana + 2 more",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Council Bluffs",
          "state": "Iowa"
        },
        {
          "city": "Natchitoches",
          "state": "Louisiana"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927431"
    },
    {
      "nct_id": "NCT04584645",
      "title": "A Digital Flu Intervention for People With Cardiovascular Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Atrial Fibrillation",
        "Abnormal Heart Rhythms",
        "Cardiac Arrest",
        "Heart Attack",
        "Myocardial Infarction",
        "Coronary Heart Disease",
        "Heart Failure",
        "Stroke",
        "Cerebrovascular Accident"
      ],
      "interventions": [
        {
          "name": "Targeted digital intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Evidation Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49138,
      "start_date": "2020-09-21",
      "completion_date": "2021-04-12",
      "has_results": true,
      "last_update_posted_date": "2022-06-21",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 1,
      "location_summary": "San Mateo, California",
      "locations": [
        {
          "city": "San Mateo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04584645"
    },
    {
      "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": "2026-10-15T19:23:48.272Z",
      "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": "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": "2026-10-15T19:23:48.272Z",
      "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"
    },
    {
      "nct_id": "NCT02151201",
      "title": "Impact of Influenza Vaccination in Pregnancy Video Education",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza vaccination video education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Hand washing video education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 105,
      "start_date": "2013-11",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-06-02",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02151201"
    },
    {
      "nct_id": "NCT06683352",
      "title": "A Study to Learn About Flu and COVID-19 Vaccine Responses in Healthy People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza,Human",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Investigational Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza/COVID-19 Vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Licensed Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT",
        "OTHER"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1353,
      "start_date": "2024-11-11",
      "completion_date": "2025-07-15",
      "has_results": true,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-15T19:23:48.272Z",
      "location_count": 22,
      "location_summary": "Lake Forest, California • San Diego, California • Walnut Creek, California + 17 more",
      "locations": [
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06683352"
    }
  ]
}