{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+Vaccination&page=2",
    "query": {
      "condition": "Influenza Vaccination",
      "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+Vaccination&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T21:05:21.666Z",
  "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": "NCT03328325",
      "title": "Age and Response to Flu Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Quadrivalent Inactivated Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "9 Years to 99 Years"
      },
      "enrollment_count": 152,
      "start_date": "2017-12-14",
      "completion_date": "2020-04-20",
      "has_results": true,
      "last_update_posted_date": "2021-05-24",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 2,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03328325"
    },
    {
      "nct_id": "NCT00391391",
      "title": "Study of Inactivated, Split-Virion Influenza Vaccine Compared With Standard Fluzone Vaccine in Infants and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Orthomyxoviridae Infection",
        "Influenza",
        "Myxovirus Infection"
      ],
      "interventions": [
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Split, Inactivated, Trivalent Influenza Vaccine ( Fluzone® 2006/2007 Formulation)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "6 Months to 8 Years"
      },
      "enrollment_count": 520,
      "start_date": "2006-10",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2011-12-01",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 19,
      "location_summary": "Harrisburg, Arkansas • Little Rock, Arkansas • Trumann, Arkansas + 15 more",
      "locations": [
        {
          "city": "Harrisburg",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Trumann",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00391391"
    },
    {
      "nct_id": "NCT06274359",
      "title": "Digital Storytelling to Reduce Pediatric Influenza Vaccination Disparities",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Digital storytelling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-08-02",
      "completion_date": "2025-03-10",
      "has_results": false,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06274359"
    },
    {
      "nct_id": "NCT00296270",
      "title": "Memory for Flu Facts and Myths and Effects on Vaccine Intentions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Memory for truth",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 175,
      "start_date": "2005-03",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2006-02-24",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00296270"
    },
    {
      "nct_id": "NCT03982069",
      "title": "Immunologic Response to FluMist vs. Flucelvax",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza, Human",
        "Immune Response"
      ],
      "interventions": [
        {
          "name": "FluMist live attenuated influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flucelvax inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Richard Zimmerman MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 465,
      "start_date": "2019-09-20",
      "completion_date": "2020-12-09",
      "has_results": true,
      "last_update_posted_date": "2021-10-14",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03982069"
    },
    {
      "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": "2026-06-10T21:05:21.666Z",
      "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": "NCT00192218",
      "title": "Study to Evaluate the Effectiveness of FluMist Vaccination in a School-Based Intervention Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "FluMist",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 3022,
      "start_date": "2004-10",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2008-09-22",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Seattle, Washington",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00192218"
    },
    {
      "nct_id": "NCT05874713",
      "title": "Study to Evaluate Safety and Immunogenicity of Different Priming and Booster Regimens With Adjuvanted H5N8 and/or H5N6 Influenza Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human",
        "Infections",
        "Respiratory Tract Infections",
        "Virus Diseases",
        "Infection Viral"
      ],
      "interventions": [
        {
          "name": "aH5N8c on Day 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aH5N6c on Day 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aH5N8c on Day 22",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aH5N6c on Day 22",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aH5N8c on Day 202",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2023-06-07",
      "completion_date": "2024-09-25",
      "has_results": false,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 9,
      "location_summary": "Cullman, Alabama • Lilburn, Georgia • Norcross, Georgia + 6 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Lilburn",
          "state": "Georgia"
        },
        {
          "city": "Norcross",
          "state": "Georgia"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05874713"
    },
    {
      "nct_id": "NCT02243774",
      "title": "Mail Outreach To Increase Vaccination Acceptance Through Engagement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human",
        "Influenza",
        "Human Flu"
      ],
      "interventions": [
        {
          "name": "Core letter signed by Surgeon General",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Core letter signed by the Director of the National Vaccine Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Core letter signed by Surgeon General + implementation prompt",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Core letter signed by SG + enhanced implementation prompt",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "66 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "66 Years and older"
      },
      "enrollment_count": 228000,
      "start_date": "2014-09",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2017-07-12",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02243774"
    },
    {
      "nct_id": "NCT01868334",
      "title": "SOP Toolkit in Diverse Practices Implemented & Tested With RE-AIM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adult Influenza Vaccinations",
        "Adult PPSV Vaccinations",
        "Adult Tdap/Td Vaccinations"
      ],
      "interventions": [
        {
          "name": "Pillar 1: Convenient Vaccination Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 2: Patient notification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 3: Enhanced Office Systems",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 4: Motivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70549,
      "start_date": "2013-04",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-06-10T21:05:21.666Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01868334"
    }
  ]
}