{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=21",
    "query": {
      "intervention": "Influenza Vaccine 2",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 575,
    "total_pages": 58,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T05:40:49.297Z",
  "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": "NCT01985997",
      "title": "Postmarketing Safety Study of Q/LAIV in Subjects 2 Through 49 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Observation Safety"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 95000,
      "start_date": "2014-01",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2016-09-07",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01985997"
    },
    {
      "nct_id": "NCT03336619",
      "title": "A Phase III, Randomized, Double-Blind, Placebo Controlled Trial to Evaluate the Efficacy and Safety of Nitazoxanide in the Treatment of Uncomplicated Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Nitazoxanide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Romark Laboratories L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1030,
      "start_date": "2018-01-17",
      "completion_date": "2019-04-17",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 34,
      "location_summary": "Alabaster, Alabama • Birmingham, Alabama • Hoover, Alabama + 28 more",
      "locations": [
        {
          "city": "Alabaster",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Pelham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03336619"
    },
    {
      "nct_id": "NCT00860067",
      "title": "A Study to Evaluate the Immunogenicity of Quadrivalent LAIV in Adults 18 to 49 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Healthy or Stable Underlying Chronic Medical Condition"
      ],
      "interventions": [
        {
          "name": "Q/LAIV (MEDI3250)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluMist/B/Yamagata",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluMist/B/Victoria",
          "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": 1800,
      "start_date": "2009-03",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2011-12-05",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 18,
      "location_summary": "Sacramento, California • San Diego, California • San Francisco, California + 15 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860067"
    },
    {
      "nct_id": "NCT01658800",
      "title": "Study of the Safety and Immunogenicity of a Novel H5N1 Influenza Vaccine in Healthy Adults Age 18-49",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VAX161C vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "VaxInnate Corporation",
      "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": 275,
      "start_date": "2012-09",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 2,
      "location_summary": "South Miami, Florida • Lenexa, Kansas",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01658800"
    },
    {
      "nct_id": "NCT00546585",
      "title": "Safety, Reactogenicity, and Immunogenicity of Inactivated Influenza A/H7/N7 Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza A/H7N7 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 126,
      "start_date": "2008-03",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2013-08-23",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00546585"
    },
    {
      "nct_id": "NCT07779408",
      "title": "Study to Assess Safety and Immunogenicity of an Egg-based H5N8 Influenza Vaccine at Multiple Dose Levels Adjuvanted With Matrix-M in Healthy Participants 18 Years of Age and Above.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Flu H5 egg pandemic low dose vaccine, with adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu H5 Egg Pandemic medium dose vaccine, with adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu H5 Egg Pandemic high dose vaccine, with adjuvant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu H5 Egg Pandemic high dose vaccine, without adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 640,
      "start_date": "2026-08-03",
      "completion_date": "2028-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 16,
      "location_summary": "Tempe, Arizona • Rolling Hills Estates, California • San Diego, California + 12 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07779408"
    },
    {
      "nct_id": "NCT05827926",
      "title": "A Study of mRNA-based Influenza and SARS-CoV-2 (COVID-19) Multi-component Vaccines in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "SARS-CoV-2",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083.3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1083",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational COVID-19 Vaccine 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine 2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 1758,
      "start_date": "2023-04-14",
      "completion_date": "2024-12-03",
      "has_results": true,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 69,
      "location_summary": "Chandler, Arizona • Colton, California • Huntington Beach, California + 59 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05827926"
    },
    {
      "nct_id": "NCT07431840",
      "title": "Immune Defense Protein Impact On Respiratory Immune Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Upper Respiratory Disease",
        "Influenza",
        "Viral Upper Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "Immune Defense Protein 50mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "IDP 200mg Dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Matching Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Quantec Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2025-12-05",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431840"
    },
    {
      "nct_id": "NCT05028634",
      "title": "Safety Study to Evaluate Immune Response of Vaccines in Participants With Relapsing Forms of Multiple Sclerosis Who Receive Ozanimod Compared to Non-Pegylated Interferon (IFN)-β or No Disease Modifying Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Multiple Sclerosis, Relapsing-Remitting"
      ],
      "interventions": [
        {
          "name": "Tetanus, diphtheria, and acellular pertussis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal polysaccharide vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Seasonal influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Celgene",
      "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": 63,
      "start_date": "2021-11-11",
      "completion_date": "2023-11-15",
      "has_results": true,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-15T05:40:49.297Z",
      "location_count": 29,
      "location_summary": "Palo Alto, California • Colorado Springs, Colorado • Southington, Connecticut + 26 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Southington",
          "state": "Connecticut"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Port Charlotte",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028634"
    },
    {
      "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": "2026-10-15T05:40:49.297Z",
      "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"
    }
  ]
}