{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=41",
    "query": {
      "intervention": "Influenza Virus Vaccine",
      "page": 41
    },
    "page_size": 10
  },
  "pagination": {
    "page": 41,
    "page_size": 10,
    "total_count": 1125,
    "total_pages": 113,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=42&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Virus+Vaccine&page=40&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T16:24:05.886Z",
  "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": "NCT02623075",
      "title": "Influenza Vaccine Responses as a Means of Assessing Immune Competence in Chimeric Kidney/Stem Cell Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2015-10",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02623075"
    },
    {
      "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": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597554"
    },
    {
      "nct_id": "NCT04302675",
      "title": "Adapting Motivational Interviewing for Maternal Immunizations (MI4MI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Maternal Immunization"
      ],
      "interventions": [
        {
          "name": "Prevention, Maternal Immunization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "15 Years and older · Female only"
      },
      "enrollment_count": 1350,
      "start_date": "2020-05-27",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04302675"
    },
    {
      "nct_id": "NCT02957136",
      "title": "Rapid Diagnostics for Upper Respiratory Infections in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Tract Infections",
        "Influenza, Human",
        "Common Cold"
      ],
      "interventions": [
        {
          "name": "Rapid respiratory pathogen nucleic acid amplification test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "101 Years",
        "sex": "ALL",
        "summary": "1 Year to 101 Years"
      },
      "enrollment_count": 194,
      "start_date": "2016-12-08",
      "completion_date": "2018-04-30",
      "has_results": true,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02957136"
    },
    {
      "nct_id": "NCT07464314",
      "title": "A Study on the Safety and Immune Response of Investigational mRNA Seasonal Flu/COVID-19 Combination Vaccine in Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human+COVID-19"
      ],
      "interventions": [
        {
          "name": "Investigational mRNA Seasonal Flu/COVID-19 Combination (Flu/COVm) Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed Seasonal Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 225,
      "start_date": "2026-03-09",
      "completion_date": "2027-06-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 12,
      "location_summary": "Anniston, Alabama • Little Rock, Arkansas • Fair Oaks, California + 9 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07464314"
    },
    {
      "nct_id": "NCT00873912",
      "title": "A Prospective Study to Evaluate the Safety of a New Monovalent Intranasal Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Monovalent influenza virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "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": 300,
      "start_date": "2009-05",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2011-07-14",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 3,
      "location_summary": "Daytona Beach, Florida • Portland, Oregon • Austin, Texas",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00873912"
    },
    {
      "nct_id": "NCT01581164",
      "title": "Studies of the Immune Response to Vaccination After Hematopoietic Stem Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Stem Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "5 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2011-12",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-08",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01581164"
    },
    {
      "nct_id": "NCT07786467",
      "title": "Optimizing Lymphatic Pumping for Influenza Vaccine Responses in Vulnerable Populations",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "No Disease or Condition is Being Directly Studied",
        "The Focus of the Study in Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Osteopathic manipulation",
          "type": "OTHER"
        },
        {
          "name": "Sham",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Lake Erie College of Osteopathic Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2026-09",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Erie, Pennsylvania",
      "locations": [
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07786467"
    },
    {
      "nct_id": "NCT05787444",
      "title": "Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "SARS-CoV-2",
        "Influenza A",
        "Influenza B",
        "Asymptomatic COVID-19"
      ],
      "interventions": [
        {
          "name": "LumiraDx SARS-CoV-2 & Flu A/B",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "LumiraDx UK Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 1081,
      "start_date": "2023-05-04",
      "completion_date": "2024-04-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 1,
      "location_summary": "Cullman, Alabama",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05787444"
    },
    {
      "nct_id": "NCT02623322",
      "title": "A Study of MHAA4549A as Monotherapy for Acute Uncomplicated Seasonal Influenza A in Otherwise Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza A"
      ],
      "interventions": [
        {
          "name": "MHAA4549A",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 124,
      "start_date": "2016-10-12",
      "completion_date": "2017-11-13",
      "has_results": true,
      "last_update_posted_date": "2019-01-08",
      "last_synced_at": "2026-10-20T16:24:05.886Z",
      "location_count": 38,
      "location_summary": "Athens, Alabama • Costa Mesa, California • Fountain Valley, California + 32 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Doral",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02623322"
    }
  ]
}