{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Live+Attenuated+Influenza+Vaccine+%28LAIV%29&page=3",
    "query": {
      "intervention": "Live Attenuated Influenza Vaccine (LAIV)",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Live+Attenuated+Influenza+Vaccine+%28LAIV%29&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Live+Attenuated+Influenza+Vaccine+%28LAIV%29&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T06:27:09.998Z",
  "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": "NCT03088904",
      "title": "Genetic and Environmental Factors in the Response to Influenza Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "FluMist® Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone® Quadrivalent vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "12 Years to 49 Years"
      },
      "enrollment_count": 109,
      "start_date": "2014-10-03",
      "completion_date": "2018-12-12",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03088904"
    },
    {
      "nct_id": "NCT01055184",
      "title": "Effects of Age on Response to the 2009 H1N1 Virus Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "2009 H1N1 Influenza Virus"
      ],
      "interventions": [
        {
          "name": "2009 H1N1 Virus Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2010-03",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2016-05-30",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01055184"
    },
    {
      "nct_id": "NCT01730144",
      "title": "Studying Cell Immune Responses to a Live Flu Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Physiology"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 10,
      "start_date": "2012-11-17",
      "completion_date": "2019-07-12",
      "has_results": false,
      "last_update_posted_date": "2019-10-18",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01730144"
    },
    {
      "nct_id": "NCT01545349",
      "title": "Safety of Lactobacillus Rhamnosus GG Versus Placebo in Elderly Subjects Receiving Live Attenuated Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Lactobacillus rhamnosus GG ATCC 53103 (LGG)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Live attenuated influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Patricia L. Hibberd",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "65 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-02",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545349"
    },
    {
      "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": "2026-10-12T06:27:09.998Z",
      "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": "NCT01181323",
      "title": "Post-Partum Immunization With Live Attenuated Influenza Vaccine (LAIV) or Trivalent Influenza Vaccine (TIV) in Post-Partum Breast Feeding Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Cold-adapted live attenuated influenza virus vaccine, trivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trivalent inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": "FEMALE",
        "summary": "18 Years to 49 Years · Female only"
      },
      "enrollment_count": 240,
      "start_date": "2011-09",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2015-01-28",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 6,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • St Louis, Missouri + 3 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01181323"
    },
    {
      "nct_id": "NCT02250274",
      "title": "Randomized Study of Immune Response to Licensed Influenza Vaccines in Children and Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Immune Response to Influenza Vaccine",
        "Influenza A Virus Infection",
        "Influenza B Virus Infection"
      ],
      "interventions": [
        {
          "name": "LAIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Marshfield Clinic Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 131,
      "start_date": "2014-09",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Marshfield, Wisconsin",
      "locations": [
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02250274"
    },
    {
      "nct_id": "NCT04960397",
      "title": "Assess the Safety and Immunogenicity of One or Two Doses of Sing2016 M2SR H3N2 Influenza Vaccine",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "H3N2 Influenza"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Sing2016 M2SR H3N2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 140,
      "start_date": "2021-09-10",
      "completion_date": "2024-04-12",
      "has_results": true,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 4,
      "location_summary": "Iowa City, Iowa • Baltimore, Maryland • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04960397"
    },
    {
      "nct_id": "NCT01443663",
      "title": "Evaluating the Safety and Immune Response to an H5N1 Influenza Vaccine in People Who Have Previously Received an H5N1 or H7N3 Influenza Vaccine and in People Who Have Never Received a Live Attenuated Influenza Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "H5N1 Influenza"
      ],
      "interventions": [
        {
          "name": "H5N1 Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "54 Years",
        "sex": "ALL",
        "summary": "22 Years to 54 Years"
      },
      "enrollment_count": 69,
      "start_date": "2011-10",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2016-02-09",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01443663"
    },
    {
      "nct_id": "NCT07177417",
      "title": "Characterizing the Human Airway Immune Response to FluMist Vaccination",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy Young Adults",
        "Influenza Vaccines",
        "Influenza Vaccine Response"
      ],
      "interventions": [
        {
          "name": "FluMist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "inactivated influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-09-09",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-10-12T06:27:09.998Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07177417"
    }
  ]
}