{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=H1N1+Pandemic+Flu",
    "query": {
      "condition": "H1N1 Pandemic Flu"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=H1N1+Pandemic+Flu&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T18:24:04.348Z",
  "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": "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": "2026-06-10T18:24:04.348Z",
      "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": "NCT01249625",
      "title": "The Respiratory Protection Effectiveness Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Syncytial Viruses",
        "Paramyxoviridae Infections",
        "Coronavirus",
        "Rhinovirus"
      ],
      "interventions": [
        {
          "name": "N95 Respirator",
          "type": "DEVICE"
        },
        {
          "name": "Medical/surgical mask",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 2862,
      "start_date": "2010-12",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2019-04-25",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Denver, Colorado • Washington D.C., District of Columbia + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01249625"
    },
    {
      "nct_id": "NCT00953524",
      "title": "A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Adults and the Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Swine-origin A/H1N1 Influenza"
      ],
      "interventions": [
        {
          "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (7.5 µg of HA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (15 µg of HA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (30 µg of HA)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal saline solution (placebo)",
          "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": 849,
      "start_date": "2009-08",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2014-03-10",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 15,
      "location_summary": "Hoover, Alabama • Chandler, Arizona • Phoenix, Arizona + 12 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00953524"
    },
    {
      "nct_id": "NCT01032837",
      "title": "A Study of Tamiflu (Oseltamivir) for Treatment of Influenza With a Focus on (H1N1) 2009 Flu Strain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 102,
      "start_date": "2009-11",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-10-02",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 100,
      "location_summary": "Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 91 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01032837"
    },
    {
      "nct_id": "NCT00952419",
      "title": "A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Children Aged 6 Months to 9 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza",
        "Swine-origin A/H1N1 Influenza"
      ],
      "interventions": [
        {
          "name": "Monovalent Subvirion A/H1N1 Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal saline solution (placebo)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "6 Months to 9 Years"
      },
      "enrollment_count": 474,
      "start_date": "2009-08",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 20,
      "location_summary": "Miami Beach, Florida • Marietta, Georgia • Woodstock, Georgia + 16 more",
      "locations": [
        {
          "city": "Miami Beach",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Woodstock",
          "state": "Georgia"
        },
        {
          "city": "Crestview Hills",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00952419"
    },
    {
      "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": "2026-06-10T18:24:04.348Z",
      "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"
    },
    {
      "nct_id": "NCT00989404",
      "title": "Crossover Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Repeat Dose Zanamivir/Placebo Via Devices Administered Twice Daily for 5 Days",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza A Virus, H1N1 Subtype"
      ],
      "interventions": [
        {
          "name": "Zanamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2009-10-12",
      "completion_date": "2009-12-07",
      "has_results": false,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00989404"
    },
    {
      "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": "2026-06-10T18:24:04.348Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973895"
    },
    {
      "nct_id": "NCT01014988",
      "title": "Safety Study to Assess IV Zanamivir for Treatment of Influenza Infection in Patients Who Are in Hospital",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "zanamivir aqueous solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 202,
      "start_date": "2009-11",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2017-03-28",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01014988"
    },
    {
      "nct_id": "NCT01000571",
      "title": "Immunogenicity and Safety of Inactivated H1N1 Swine-origin Influenza Monovalent Vaccine in Immunocompromised Children and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "H1N1 Pandemic Flu"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Months to 21 Years"
      },
      "enrollment_count": 104,
      "start_date": "2009-10",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2011-10-07",
      "last_synced_at": "2026-06-10T18:24:04.348Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01000571"
    }
  ]
}