{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Monovalent+influenza+virus+vaccine",
    "query": {
      "intervention": "Monovalent influenza virus vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 97,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Monovalent+influenza+virus+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T06:16:46.492Z",
  "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": "NCT00133536",
      "title": "A/H5N1 Vaccine in Healthy Children Aged 2-9 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza A/H5N1 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "2 Years to 9 Years"
      },
      "enrollment_count": 157,
      "start_date": "2006-01",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2010-08-27",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 4,
      "location_summary": "Torrance, California • Baltimore, Maryland • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133536"
    },
    {
      "nct_id": "NCT00311675",
      "title": "St. Jude Open Label H5 Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Inactivated Influenza A/H5N1 Vaccine (sanofi pasteur)",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2006-04",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2010-08-27",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00311675"
    },
    {
      "nct_id": "NCT03312231",
      "title": "Sanofi 2017 H7N9 With/Without AS03 in Adults/Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Avian Influenza",
        "Influenza Immunisation"
      ],
      "interventions": [
        {
          "name": "AS03",
          "type": "DRUG"
        },
        {
          "name": "Inactivated influenza H7N9 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": "99 Years",
        "sex": "ALL",
        "summary": "19 Years to 99 Years"
      },
      "enrollment_count": 720,
      "start_date": "2018-02-14",
      "completion_date": "2019-09-26",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 5,
      "location_summary": "Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 2 more",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03312231"
    },
    {
      "nct_id": "NCT03158038",
      "title": "Study to Evaluate the Safety of 1 New 6:2 Influenza Virus Reassortant in Adults for the 2017-2018 Season",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Monovalent Influenza 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": 300,
      "start_date": "2017-05-30",
      "completion_date": "2017-12-14",
      "has_results": true,
      "last_update_posted_date": "2019-01-04",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 2,
      "location_summary": "Stockbridge, Georgia • Portland, Oregon",
      "locations": [
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03158038"
    },
    {
      "nct_id": "NCT00973349",
      "title": "Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Non-Elderly and Elderly Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "MF59-eH1N1_f",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2719,
      "start_date": "2009-09",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 20,
      "location_summary": "Miami, Florida • Lenexa, Kansas • Omaha, Nebraska + 16 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Endwell",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973349"
    },
    {
      "nct_id": "NCT01788228",
      "title": "Safety and Tolerability Study of GlaxoSmithKline (GSK)1557484A Vaccine in Adults at Occupational Risk for Influenza A (H5N1) Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza",
        "Influenza Vaccines"
      ],
      "interventions": [
        {
          "name": "Influenza A (H5N1) Virus Monovalent Vaccine, Adjuvanted (A/Indonesia)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2013-03-22",
      "completion_date": "2015-02-25",
      "has_results": true,
      "last_update_posted_date": "2020-06-23",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 3,
      "location_summary": "Stockbridge, Georgia • Rockville, Maryland • Madison, Wisconsin",
      "locations": [
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01788228"
    },
    {
      "nct_id": "NCT02921997",
      "title": "H7N9 Vaccination With and Without AS03 and Unadjuvanted H3N2v Vaccination: Standard and Systems Biology Analyses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Avian Influenza",
        "H1N1 Influenza",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "AS03",
          "type": "DRUG"
        },
        {
          "name": "Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Monovalent influenza A/H7N9 virus vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 30,
      "start_date": "2016-11-07",
      "completion_date": "2018-02-14",
      "has_results": true,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02921997"
    },
    {
      "nct_id": "NCT00972816",
      "title": "Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Children (3 to < 9 Years)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "MF59-eH1N1",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "3 Years to 8 Years"
      },
      "enrollment_count": 1357,
      "start_date": "2009-09",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 34,
      "location_summary": "Downey, California • Madera, California • Paramount, California + 29 more",
      "locations": [
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "West Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00972816"
    },
    {
      "nct_id": "NCT00289783",
      "title": "Safety and Immunogenicity Study of Hib-MenCY-TT Vaccine Compared to Licensed Hib Conjugate Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Haemophilus Influenzae Type b",
        "Neisseria Meningitidis"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis 792014 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ActHIB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PedvaxHIB",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "15 Months",
        "sex": "ALL",
        "summary": "6 Weeks to 15 Months"
      },
      "enrollment_count": 4441,
      "start_date": "2006-02-22",
      "completion_date": "2008-02-26",
      "has_results": true,
      "last_update_posted_date": "2018-08-24",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 88,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Bryant, Arkansas + 76 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bryant",
          "state": "Arkansas"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00289783"
    },
    {
      "nct_id": "NCT00945893",
      "title": "A Study to Evaluate the Safety of H1N1 Monovalent Vaccine (MEDI3414) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "MEDI3414 [Influenza A/H1N1 live attenuated, intranasal]",
          "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": 300,
      "start_date": "2009-08",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2011-09-12",
      "last_synced_at": "2026-10-08T06:16:46.492Z",
      "location_count": 5,
      "location_summary": "Daytona Beach, Florida • Miami, Florida • South Miami, Florida + 2 more",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00945893"
    }
  ]
}