{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=2009+H1N1+Virus+Vaccine",
    "query": {
      "intervention": "2009 H1N1 Virus Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=2009+H1N1+Virus+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T20:39:45.426Z",
  "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": "NCT00992836",
      "title": "Safety of and Immune Response to an H1N1 Influenza Virus Vaccine in HIV Infected Children and Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections",
        "H1N1 Influenza Virus"
      ],
      "interventions": [
        {
          "name": "Influenza A (H1N1) 2009 monovalent vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "4 Years to 25 Years"
      },
      "enrollment_count": 155,
      "start_date": "2009-10",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Alhambra, California • La Jolla, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00992836"
    },
    {
      "nct_id": "NCT03300050",
      "title": "Safety and Immunogenicity of a Live-attenuated Universal Flu Vaccine Followed by an Inactivated Universal Flu Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Vaccine"
      ],
      "interventions": [
        {
          "name": "cH8/1N1 LAIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AS03-adjuvanted cH5/1N1 IIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cH5/1N1 IIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AS03-adjuvanted cH8/1N1 IIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal saline",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Phosphate buffered saline (PBS)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "PATH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 65,
      "start_date": "2017-10-10",
      "completion_date": "2019-08-09",
      "has_results": true,
      "last_update_posted_date": "2021-02-21",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03300050"
    },
    {
      "nct_id": "NCT01023711",
      "title": "Immunologic Response to Inactivated Vaccine for Novel H1N1 Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated H1N1 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2009-11",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2015-05-12",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023711"
    },
    {
      "nct_id": "NCT03673345",
      "title": "Development of Childhood Anti-Influenza Immunity",
      "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": "3 Months",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "3 Months to 15 Years"
      },
      "enrollment_count": 125,
      "start_date": "2018-09-25",
      "completion_date": "2020-12-22",
      "has_results": true,
      "last_update_posted_date": "2022-03-18",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03673345"
    },
    {
      "nct_id": "NCT00973895",
      "title": "VRC 308: An Open-Label Phase I Study of the Safety and Immunogenicity of an Investigational H1 DNA Influenza Vaccine, VRC-FLUDNA057-00-VP, in Healthy Adults 18-70 Years Old",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza A Virus, H1N1 Subtype",
        "Novel Swine-Origin"
      ],
      "interventions": [
        {
          "name": "VRC-FLUDNA057-00-VP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 20,
      "start_date": "2009-08-06",
      "completion_date": "2010-09-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973895"
    },
    {
      "nct_id": "NCT01579916",
      "title": "A Study to Evaluate the Safety of 3 New 6:2 Influenza Virus Reassortants in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Trivalent Influenza Virus Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 303,
      "start_date": "2012-05",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-02-03",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Stockbridge, Georgia • Portland, Oregon",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01579916"
    },
    {
      "nct_id": "NCT02950688",
      "title": "Safety and Effectiveness of a Seasonal Live Attenuated Influenza Vaccine in a Human Challenge Model of Infection With Wild-type (wt) Influenza A/California/2009 (H1N1)-Like Virus",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Seasonal LAIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Wild-type A/California/2009-like Influenza Virus",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02950688"
    },
    {
      "nct_id": "NCT00944073",
      "title": "Peds Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine, Monovalent A/H1N1 A/California/7/2009 NYMC X-179A",
          "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": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 583,
      "start_date": "2009-08",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2015-02-18",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 9,
      "location_summary": "Baltimore, Maryland • Kansas City, Missouri • St Louis, Missouri + 6 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00944073"
    },
    {
      "nct_id": "NCT01518478",
      "title": "Atopic Dermatitis Research Network (ADRN) Influenza Vaccine Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Fluzone® Intradermal (Sanofi Pasteur Inc.)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-11",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2017-03-01",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01518478"
    },
    {
      "nct_id": "NCT01059617",
      "title": "Safety and Immune Response of Candidate H1N1 Influenza Vaccine GSK2340274A Following Seasonal Influenza Vaccination in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals' FluLaval®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (saline)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GSK Biologicals' investigational H1N1 Influenza Vaccine - GSK2340274A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GSK Biologicals' investigational H1N1 Influenza Vaccine - GSK2340273A",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "19 Years to 40 Years"
      },
      "enrollment_count": 133,
      "start_date": "2010-02-09",
      "completion_date": "2011-10-21",
      "has_results": true,
      "last_update_posted_date": "2018-08-20",
      "last_synced_at": "2026-09-30T20:39:45.426Z",
      "location_count": 3,
      "location_summary": "Milford, Massachusetts • Salisbury, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Milford",
          "state": "Massachusetts"
        },
        {
          "city": "Salisbury",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059617"
    }
  ]
}