{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Influenza&page=2",
    "query": {
      "condition": "Seasonal Influenza",
      "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=Seasonal+Influenza&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:06:00.108Z",
  "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": "NCT01987349",
      "title": "T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) - Year 1, 2009",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone® (intramuscular)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "FluMist® (intranasal)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "8 Years to 100 Years"
      },
      "enrollment_count": 72,
      "start_date": "2009-09",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2017-05-12",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01987349"
    },
    {
      "nct_id": "NCT03318315",
      "title": "Co-Administration of AS03 Adjuvanted A/H7N9 IIV With IIV4",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Avian Influenza",
        "Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "AS03",
          "type": "DRUG"
        },
        {
          "name": "Inactivated influenza H7N9 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Virus Quadrivalent Inactivated Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Phosphate Buffered Saline (PBS) diluent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "19 Years to 64 Years"
      },
      "enrollment_count": 149,
      "start_date": "2018-02-20",
      "completion_date": "2019-07-25",
      "has_results": true,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Baltimore, Maryland • Cincinnati, Ohio + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03318315"
    },
    {
      "nct_id": "NCT03700281",
      "title": "Investigating the Effectiveness of a Seasonal Influenza Vaccination Promotion Campaign for Members of a Non-Profit, Community-Based Health Insurance Plan: 2018-2019",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Vaccination"
      ],
      "interventions": [
        {
          "name": "Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentive",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center at Tyler",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22584,
      "start_date": "2018-10-06",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03700281"
    },
    {
      "nct_id": "NCT01044095",
      "title": "Study of Seasonal Influenza Vaccine Against H5N1 Avian Influenza Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "FluMist® live, attenuated, intranasal seasonal influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone® inactivated influenza virus vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Armed Forces Research Institute of Medical Sciences, Thailand",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 26,
      "start_date": "2009-11",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-07-23",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 0,
      "location_summary": "Not listed",
      "locations": [],
      "official_url": "https://clinicaltrials.gov/study/NCT01044095"
    },
    {
      "nct_id": "NCT01685372",
      "title": "Immunogenicity of Fluzone High Dose in Immunocompromised Children and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Solid Organ Transplant Recipient (Liver, Kidney, Heart)",
        "Rheumatologic Disorder",
        "Human Immunodeficiency Virus (HIV)",
        "Bone Marrow Transplant (BMT)",
        "Dialysis"
      ],
      "interventions": [
        {
          "name": "Fluzone High Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "5 Years to 35 Years"
      },
      "enrollment_count": 16,
      "start_date": "2012-09",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01685372"
    },
    {
      "nct_id": "NCT06863142",
      "title": "Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza Prevention",
        "Seasonal Influenza"
      ],
      "interventions": [
        {
          "name": "VRC-FLUMOS0116-00-VP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ALFQ",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 45,
      "start_date": "2025-04-28",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06863142"
    },
    {
      "nct_id": "NCT01773928",
      "title": "Inactivated Split Virus Seasonal Influenza Vaccine (Vero Cell-Derived)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Vero cell-derived trivalent influenza vaccine manufactured with the modified manufacturing process (VCIV modified)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VCIV manufactured with the current manufacturing process (VCIV current)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®, licensed trivalent influenza vaccine (TIV)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Alachua Government Services, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1928,
      "start_date": "2013-01",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 20,
      "location_summary": "Chandler, Arizona • Anaheim, California • Paramount, California + 17 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773928"
    },
    {
      "nct_id": "NCT03163342",
      "title": "Immune Response Following Seasonal Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Licensed seasonal influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Altimmune, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-05-08",
      "completion_date": "2018-06-15",
      "has_results": true,
      "last_update_posted_date": "2019-04-26",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03163342"
    },
    {
      "nct_id": "NCT01231620",
      "title": "A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Zanamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match zanamivir",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match oseltamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 626,
      "start_date": "2011-01-15",
      "completion_date": "2015-03-18",
      "has_results": true,
      "last_update_posted_date": "2018-10-15",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Chula Vista, California + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01231620"
    },
    {
      "nct_id": "NCT05823974",
      "title": "A Study to Assess the Safety and Immune Response of a Vaccine Against Influenza in Healthy Younger and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "F2C22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22A/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22D/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2B22E/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22A/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22B/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22C/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22D/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F22E/DL001Z",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F23D/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F23A/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "F2F23B/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F23C/DL001Z-NH",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control 3",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "F2F22F/DL001Z",
          "type": "BIOLOGICAL"
        }
      ],
      "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": 1275,
      "start_date": "2023-04-27",
      "completion_date": "2024-12-18",
      "has_results": true,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-05-22T09:06:00.108Z",
      "location_count": 24,
      "location_summary": "Hialeah, Florida • Miami, Florida • Chicago, Illinois + 21 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Valparaiso",
          "state": "Indiana"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05823974"
    }
  ]
}