{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Immunization&page=2",
    "query": {
      "condition": "Influenza Immunization",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Immunization&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T09:18:20.444Z",
  "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": "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": "2026-06-10T09:18:20.444Z",
      "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": "NCT01761799",
      "title": "Protecting Pregnant Women From Infectious Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Pertussis"
      ],
      "interventions": [
        {
          "name": "P3 Vaccine Promotion Package.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 330,
      "start_date": "2012-12",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-02",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 11,
      "location_summary": "Athens, Georgia • Atlanta, Georgia • Bogart, Georgia + 6 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Bogart",
          "state": "Georgia"
        },
        {
          "city": "Cumming",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01761799"
    },
    {
      "nct_id": "NCT03332992",
      "title": "Comparative Tests of Flu Vaccination Phone Messages",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Viral changes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Protect others",
          "type": "BEHAVIORAL"
        },
        {
          "name": "General intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Accountability",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7206,
      "start_date": "2017-11-11",
      "completion_date": "2018-04-30",
      "has_results": false,
      "last_update_posted_date": "2018-05-15",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03332992"
    },
    {
      "nct_id": "NCT01207232",
      "title": "The Effect of a Planning Prompt on Seasonal Influenza Vaccination Rates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Influenza"
      ],
      "interventions": [
        {
          "name": "Planning Prompt",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3272,
      "start_date": "2009-10",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2010-09-22",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01207232"
    },
    {
      "nct_id": "NCT00570037",
      "title": "Feasibility of Cocooning Immunization Strategy With Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 544,
      "start_date": "2007-10",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00570037"
    },
    {
      "nct_id": "NCT00769002",
      "title": "PET-CT Scans in Healthy Volunteers After Flu Vaccination",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Flu"
      ],
      "interventions": [
        {
          "name": "FluShield",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluShield - same arm",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluShield - opposite arm",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood Draws",
          "type": "PROCEDURE"
        },
        {
          "name": "FDG PET-CT Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cytokine Profiling",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "GENETIC"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-09",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00769002"
    },
    {
      "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": "2026-06-10T09:18:20.444Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597554"
    },
    {
      "nct_id": "NCT02559505",
      "title": "Influenza Immunity in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Seasonal IIV 0.25 mL dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Natural influenza infection",
          "type": "OTHER"
        },
        {
          "name": "Seasonal IIV 0.5 mL dose",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "3 Months to 8 Years"
      },
      "enrollment_count": 134,
      "start_date": "2015-10",
      "completion_date": "2020-07-03",
      "has_results": true,
      "last_update_posted_date": "2021-09-02",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02559505"
    },
    {
      "nct_id": "NCT05650554",
      "title": "Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Influenza mRNA Vaccine MRT5413",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Recombinant Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza Standard Dose Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza High-Dose Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 682,
      "start_date": "2022-12-12",
      "completion_date": "2024-04-02",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "location_count": 28,
      "location_summary": "Chula Vista, California • Gardena, California • Long Beach, California + 24 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Gardena",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "North Hollywood",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650554"
    },
    {
      "nct_id": "NCT04551677",
      "title": "Annual Study for Collection of Serum Samples in Children and Older Adults Receiving the 2020-2021 Formulations of Fluzone Quadrivalent Vaccine and Fluzone High-Dose Quadrivalent Vaccine, Respectively",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza Immunization",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Fluzone Quadrivalent vaccine, No Preservative (0.5-mL dose), 2020-2021 formulation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High-Dose Quadrivalent vaccine (0.7-mL dose), 2020-2021 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": "84 Years",
        "sex": "ALL",
        "summary": "6 Months to 84 Years"
      },
      "enrollment_count": 90,
      "start_date": "2020-09-16",
      "completion_date": "2020-12-18",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-06-10T09:18:20.444Z",
      "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/NCT04551677"
    }
  ]
}