{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=31",
    "query": {
      "condition": "Flu",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 1140,
    "total_pages": 114,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Flu&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T04:09:00.890Z",
  "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": "NCT03644498",
      "title": "Study to Determine if the Flu Vaccine Increases the Risk of Muscle Damage in Participants Taking Drugs That Block Certain Proteins Made by Some Types of Immune System Cells",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Non-Interventional",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1056,
      "start_date": "2018-05-02",
      "completion_date": "2018-10-17",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "Princeton, New Jersey",
      "locations": [
        {
          "city": "Princeton",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03644498"
    },
    {
      "nct_id": "NCT04579614",
      "title": "Performance Feedback in Health Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "The Impact of Performance Feedback and Variable Goal Setting on Flu Vaccination Success Rates of Providers",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 595,
      "start_date": "2019-09-23",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04579614"
    },
    {
      "nct_id": "NCT03287830",
      "title": "Flu2Text: Text Message Reminders for 2nd Dose of Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Vaccination"
      ],
      "interventions": [
        {
          "name": "Text message influenza vaccine reminders",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "6 Months to 8 Years"
      },
      "enrollment_count": 2105,
      "start_date": "2017-10-06",
      "completion_date": "2019-04-30",
      "has_results": true,
      "last_update_posted_date": "2023-09-15",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 3,
      "location_summary": "Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Itasca",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03287830"
    },
    {
      "nct_id": "NCT04682132",
      "title": "Polk COVID-19 and Flu Response",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "COVID-19 antigen and antibody tests, and influenza rapid test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Polk County Fire Rescue",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 686,
      "start_date": "2020-05-26",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-21",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "Bartow, Florida",
      "locations": [
        {
          "city": "Bartow",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04682132"
    },
    {
      "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": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "Northglenn, Colorado",
      "locations": [
        {
          "city": "Northglenn",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095844"
    },
    {
      "nct_id": "NCT02814643",
      "title": "Study to Evaluate the Potential Effect of Benralizumab on the Humoral Immune Response to the Seasonal Influenza Vaccination in Adolescent and Young Adult Patients With Severe Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Benralizumab",
          "type": "DRUG"
        },
        {
          "name": "Benralizumab Placebo",
          "type": "DRUG"
        },
        {
          "name": "Seasonal influenza virus vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 103,
      "start_date": "2016-07-01",
      "completion_date": "2017-01-24",
      "has_results": true,
      "last_update_posted_date": "2018-10-24",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Huntington Beach, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02814643"
    },
    {
      "nct_id": "NCT03372967",
      "title": "Project IMPACT Immunizations (IMProving America's Communities Together) Scaled Demonstration",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Vaccine administration by a pharmacist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Unmet vaccination needs identified and met",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vaccination forecast review and patient education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "BEHAVIORAL"
      ],
      "sponsor": "American Pharmacists Association Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6234,
      "start_date": "2017-12-12",
      "completion_date": "2019-11-20",
      "has_results": false,
      "last_update_posted_date": "2019-12-13",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 22,
      "location_summary": "Atlantic, Iowa • Carlisle, Iowa • Coralville, Iowa + 18 more",
      "locations": [
        {
          "city": "Atlantic",
          "state": "Iowa"
        },
        {
          "city": "Carlisle",
          "state": "Iowa"
        },
        {
          "city": "Coralville",
          "state": "Iowa"
        },
        {
          "city": "Eagle Grove",
          "state": "Iowa"
        },
        {
          "city": "Eldora",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03372967"
    },
    {
      "nct_id": "NCT00001681",
      "title": "A Pilot Study of the Patterns of Cellular Gene Expression in HIV-1 Patients Following Clinical Events Which Increase Plasma Virus Concentrations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "1997-10",
      "completion_date": "2000-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001681"
    },
    {
      "nct_id": "NCT01083511",
      "title": "Collection and Extraction of Respiratory Specimens",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "QIAGEN Gaithersburg, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 600,
      "start_date": "2010-03",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2014-05-14",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 3,
      "location_summary": "Tucson, Arizona • Chapel Hill, North Carolina • Columbus, Ohio",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01083511"
    },
    {
      "nct_id": "NCT02675608",
      "title": "Vaccine Efficacy in Diabetic and Elderly Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2015-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-10-23T04:09:00.890Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02675608"
    }
  ]
}