{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+Influenza+Vaccine+2",
    "query": {
      "intervention": "Investigational Influenza Vaccine 2"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Investigational+Influenza+Vaccine+2&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T01:41:26.202Z",
  "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": "NCT01063933",
      "title": "Pharmacokinetic/Pharmacodynamic and Safety Evaluation of Intravenous Peramivir in Children With Influenza",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Peramivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2011-11-11",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Orange, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01063933"
    },
    {
      "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": "2026-10-07T01:41:26.202Z",
      "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": "NCT03658629",
      "title": "Phase 2 Dose and Formulation Confirmation of Quad-NIV in Older Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "NanoFlu (Quad-NIV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matrix-M Adjuvant",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Fluzone HD",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flublok Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 1375,
      "start_date": "2018-09-24",
      "completion_date": "2019-04-26",
      "has_results": true,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 14,
      "location_summary": "Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 11 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03658629"
    },
    {
      "nct_id": "NCT00995982",
      "title": "VRC 309: A Multi-Center, Open-Label, Randomized Phase I Study of an Investigational Influenza DNA Vaccine Followed by 2009/2010 Seasonal Influenza Trivalent Inactivated Vaccine (TIV) Compared to Two Injections of TIV in Adults 45-70 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "VRC-FLUDNA056-00VP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "45 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2009-10-08",
      "completion_date": "2010-09-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Annandale, Virginia",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Annandale",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00995982"
    },
    {
      "nct_id": "NCT04576702",
      "title": "Safety and Immunogenicity of an MF59-Adjuvanted Influenza Vaccine in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Human"
      ],
      "interventions": [
        {
          "name": "Investigational aIIV4c",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV4c",
          "type": "BIOLOGICAL"
        },
        {
          "name": "aIIV4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RIV4",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 471,
      "start_date": "2020-10-08",
      "completion_date": "2021-05-24",
      "has_results": true,
      "last_update_posted_date": "2024-04-17",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 21,
      "location_summary": "Mobile, Alabama • Tempe, Arizona • Jacksonville, Florida + 17 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Oakland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04576702"
    },
    {
      "nct_id": "NCT01240746",
      "title": "Study of Quadrivalent Influenza Vaccine Among Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Licensed 2010-2011 Trivalent Influenza Vaccine, No Preservative",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Trivalent Influenza Vaccine with alternate B strain, No Preservative",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza 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": 4363,
      "start_date": "2010-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2015-07-14",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 67,
      "location_summary": "Dothan, Alabama • Chandler, Arizona • Mesa, Arizona + 55 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240746"
    },
    {
      "nct_id": "NCT01218646",
      "title": "Study of Quadrivalent Influenza Vaccine Among Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Investigational Quadrivalent Inactivated Influenza Vaccine, No Preservative",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational Trivalent Inactivated Influenza Vaccine, No Preservative",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone®: 2010-2011 Trivalent Inactivated Influenza Vaccine, No Preservative",
          "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": 739,
      "start_date": "2010-10",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2013-10-23",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 12,
      "location_summary": "Hoover, Alabama • South Miami, Florida • Springfield, Missouri + 9 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01218646"
    },
    {
      "nct_id": "NCT05901636",
      "title": "A Clinical Study to Evaluate an Experimental Universal Influenza Vaccine, INFLUENZA G1 mHA, in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza Prevention"
      ],
      "interventions": [
        {
          "name": "INFLUENZA G1 mHA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Al(OH)3",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "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": 170,
      "start_date": "2023-05-17",
      "completion_date": "2024-08-19",
      "has_results": true,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 4,
      "location_summary": "Miami Lakes, Florida • Lenexa, Kansas • Metairie, Louisiana + 1 more",
      "locations": [
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05901636"
    },
    {
      "nct_id": "NCT00771615",
      "title": "Immunogenicity & Safety of GSK's Avian Flu Vaccine 1557484A Given to Adults Aged 18-64 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "GSK A/turkey H5N1 Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 469,
      "start_date": "2008-10-16",
      "completion_date": "2009-12-04",
      "has_results": true,
      "last_update_posted_date": "2018-09-21",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 7,
      "location_summary": "Huntsville, Alabama • Anaheim, California • Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00771615"
    },
    {
      "nct_id": "NCT07431853",
      "title": "A Study to Learn About mRNA Vaccines Against Influenza in Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Vaccine Candidate #1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #5",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #6",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV1 or TIV2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 770,
      "start_date": "2026-02-23",
      "completion_date": "2027-06-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-07T01:41:26.202Z",
      "location_count": 15,
      "location_summary": "Mobile, Alabama • Walnut Creek, California • Milford, Connecticut + 12 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431853"
    }
  ]
}