{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=19",
    "query": {
      "intervention": "Influenza Vaccine 2",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 575,
    "total_pages": 58,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+Vaccine+2&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T00:11:27.248Z",
  "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": "NCT06431607",
      "title": "A Study to Find the Dose and Assess the Immune Response and Safety of a Vaccine Against Influenza in Healthy Younger and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "F2G22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23D/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23B/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23H/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FDQ23A-NH (Flu D-QIV)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "GSK5800544A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flu D-TIV",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2H23A/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2H23G/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone HD Quadrivalent",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Fluzone HD",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 845,
      "start_date": "2024-05-23",
      "completion_date": "2025-06-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 18,
      "location_summary": "Hialeah, Florida • Miami, Florida • Chicago, Illinois + 14 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Valparaiso",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06431607"
    },
    {
      "nct_id": "NCT04074928",
      "title": "Safety and Immunogenicity Study of QIVc in Healthy Pediatric Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza",
        "Human",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "QIVc",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Comparator QIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "47 Months",
        "sex": "ALL",
        "summary": "6 Months to 47 Months"
      },
      "enrollment_count": 2414,
      "start_date": "2019-09-06",
      "completion_date": "2020-09-03",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 47,
      "location_summary": "Mobile, Alabama • Anaheim, California • Downey, California + 37 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Ontario",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04074928"
    },
    {
      "nct_id": "NCT00709800",
      "title": "Pandemic Influenza Plasmid DNA Vaccines (Needle)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "VCL-IPT1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VCL-IPM1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PBS",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 56,
      "start_date": "2007-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-02-12",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 3,
      "location_summary": "San Diego, California • Baltimore, Maryland • Stony Brook, New York",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00709800"
    },
    {
      "nct_id": "NCT01946425",
      "title": "Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Quadrivalent Influenza Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone® Quadrivalent Influenza Virus Vaccine, No Preservative",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "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": 60,
      "start_date": "2013-09",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2014-09-25",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "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/NCT01946425"
    },
    {
      "nct_id": "NCT00113880",
      "title": "A Study to Evaluate the Safety of FluMist in Healthy Children and Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "FluMist",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "5 Years to 49 Years"
      },
      "enrollment_count": 63061,
      "start_date": "2003-10",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2013-01-08",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 77,
      "location_summary": "Alameda, California • Antioch, California • Clovis, California + 49 more",
      "locations": [
        {
          "city": "Alameda",
          "state": "California"
        },
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00113880"
    },
    {
      "nct_id": "NCT03666026",
      "title": "Patient Portal - Flu Reminder Recall",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections",
        "Vaccines"
      ],
      "interventions": [
        {
          "name": "1 MyChart R/R",
          "type": "BEHAVIORAL"
        },
        {
          "name": "2 MyChart R/R",
          "type": "BEHAVIORAL"
        },
        {
          "name": "3 MyChart R/R",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Months and older"
      },
      "enrollment_count": 164205,
      "start_date": "2018-10-02",
      "completion_date": "2019-04-02",
      "has_results": true,
      "last_update_posted_date": "2021-11-17",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03666026"
    },
    {
      "nct_id": "NCT07225959",
      "title": "A Study of Annual Doses of MK-1406/CD388 in Healthy Adults (MK-1406-006/CD388.SQ.2.07)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "MK-1406 Injection",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "66 Years",
        "sex": "ALL",
        "summary": "18 Years to 66 Years"
      },
      "enrollment_count": 400,
      "start_date": "2025-10-29",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 4,
      "location_summary": "Miami Lakes, Florida • Spartanburg, South Carolina",
      "locations": [
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        },
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225959"
    },
    {
      "nct_id": "NCT05027932",
      "title": "Safety and Immunogenicity of BPL-1357, A BPL-Inactivated, Whole-Virus, Universal Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "IN Placebo",
          "type": "OTHER"
        },
        {
          "name": "IM Placebo",
          "type": "OTHER"
        },
        {
          "name": "BPL-1357",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 45,
      "start_date": "2022-06-27",
      "completion_date": "2025-02-25",
      "has_results": true,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05027932"
    },
    {
      "nct_id": "NCT07110532",
      "title": "pH1N1 Blinded Challenge Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "A/Arkansas/08/2020 (pH1N1)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sham/Diluent (1X SPG+Arg+Gel)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 90,
      "start_date": "2025-09-10",
      "completion_date": "2026-10-10",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Durham, North Carolina",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07110532"
    },
    {
      "nct_id": "NCT01164553",
      "title": "Comparison of Flu Vaccine Doses in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "35 Months",
        "sex": "ALL",
        "summary": "6 Months to 35 Months"
      },
      "enrollment_count": 243,
      "start_date": "2010-10",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-04-29",
      "last_synced_at": "2026-10-15T00:11:27.248Z",
      "location_count": 7,
      "location_summary": "Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164553"
    }
  ]
}