{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=adjuvanted+influenza+vaccine&page=2",
    "query": {
      "intervention": "adjuvanted influenza vaccine",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=adjuvanted+influenza+vaccine&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=adjuvanted+influenza+vaccine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T09:35:15.206Z",
  "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": "NCT06087640",
      "title": "A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "aQIV or aTIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QIV or TIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seqirus",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 38769,
      "start_date": "2023-10-23",
      "completion_date": "2026-06-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 111,
      "location_summary": "Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 96 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06087640"
    },
    {
      "nct_id": "NCT02464163",
      "title": "Trial to Evaluate the Immunogenicity and Safety of Panblok® (H7 rHA) in Healthy Adults Aged 18 and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Panblok",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rHA adjuvant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Protein Sciences Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 407,
      "start_date": "2015-07",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 9,
      "location_summary": "Mobile, Alabama • DeLand, Florida • Savannah, Georgia + 6 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Endwell",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02464163"
    },
    {
      "nct_id": "NCT04077424",
      "title": "Senescent Immunity in Elders and Vaccine Responses (SILVER)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Flu Vaccine"
      ],
      "interventions": [
        {
          "name": "Fluzone-High Dose Quadrivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluad",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Flublock",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "125 Years",
        "sex": "ALL",
        "summary": "65 Years to 125 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-10-21",
      "completion_date": "2020-02-01",
      "has_results": true,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077424"
    },
    {
      "nct_id": "NCT03275389",
      "title": "A Study to Evaluate the Reactogenicity, Safety and Immunogenicity of GlaxoSmithKline (GSK) Biologicals' Investigational Supra-seasonal Universal Influenza Vaccines - Inactivated (SUIVs) (GSK3816302A) in Healthy Adults Aged 18 to 39 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "D-SUIV cH8/1N1+AS03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH5/1N1+AS03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH11/1N1+AS03",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH8/1N1+AS01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH5/1N1+AS01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH11/1N1+AS01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH8/1N1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH5/1N1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "D-SUIV cH11/1N1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluarix Quadrivalent",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 470,
      "start_date": "2017-09-08",
      "completion_date": "2020-03-26",
      "has_results": true,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 5,
      "location_summary": "South Miami, Florida • Wichita, Kansas • Rochester, New York + 2 more",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03275389"
    },
    {
      "nct_id": "NCT02882100",
      "title": "Adjuvanted Influenza Vaccination in U.S. Nursing Homes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza",
        "Influenza-like Illness"
      ],
      "interventions": [
        {
          "name": "adjuvanted trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trivalent influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Insight Therapeutics, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 823,
      "start_date": "2016-04",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-03-15",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02882100"
    },
    {
      "nct_id": "NCT00664417",
      "title": "Study of Different Formulations of an Intramuscular A/H5N1 Inactivated, Split Virion Influenza Adjuvanted Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Orthomyxoviridae Infections"
      ],
      "interventions": [
        {
          "name": "Monovalent subvirion H5N1 influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Physiological saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 375,
      "start_date": "2008-04",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2012-04-17",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 6,
      "location_summary": "San Diego, California • South Miami, Florida • Springfield, Missouri + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00664417"
    },
    {
      "nct_id": "NCT04101838",
      "title": "B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone",
          "type": "DRUG"
        },
        {
          "name": "Flucelvax",
          "type": "DRUG"
        },
        {
          "name": "Fluzone High-Dose",
          "type": "DRUG"
        },
        {
          "name": "Fluad",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2021-04-01",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04101838"
    },
    {
      "nct_id": "NCT05397119",
      "title": "A Safety and Immunogenicity of Intranasal Nanoemulsion Adjuvanted Recombinant Pandemic Flu Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza, Pandemic"
      ],
      "interventions": [
        {
          "name": "BW-1014: 25 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BW-1014: 50 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BW-1014: 100 µg rH5 in 20% NE - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rH5 (100 µg) control - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline (Placebo) - pipette - IN",
          "type": "BIOLOGICAL"
        },
        {
          "name": "H5N1 IIV - IM",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BlueWillow Biologics",
      "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": 40,
      "start_date": "2022-07-07",
      "completion_date": "2023-10-12",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05397119"
    },
    {
      "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": "2026-10-10T09:35:15.206Z",
      "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": "NCT03599739",
      "title": "Adjuvanted Influenza Vaccination Year 2 Follow-On Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Influenza",
        "Influenza-like Illness",
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Influenza",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Insight Therapeutics, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 598,
      "start_date": "2018-07-13",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-03-16",
      "last_synced_at": "2026-10-10T09:35:15.206Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03599739"
    }
  ]
}