{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Flu+Vaccine+%28Year+2%29&page=6",
    "query": {
      "intervention": "Flu Vaccine (Year 2)",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 193,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Flu+Vaccine+%28Year+2%29&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Flu+Vaccine+%28Year+2%29&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T02:56:58.659Z",
  "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": "NCT05945485",
      "title": "A Study to Evaluate the Safety and Immunogenicity of Two Doses of DCVC H1 HA mRNA-LNP in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "DCVC H1 HA mRNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Recombinant Seasonal Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sodium Chloride, 0.9%",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 50,
      "start_date": "2023-10-16",
      "completion_date": "2026-05-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05945485"
    },
    {
      "nct_id": "NCT01215981",
      "title": "Influenza Vaccine Post Allogeneic Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplant",
        "Hematologic Malignancy"
      ],
      "interventions": [
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 68,
      "start_date": "2010-09",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01215981"
    },
    {
      "nct_id": "NCT00113880",
      "title": "A Study to Evaluate the Safety of FluMist in Healthy Children and Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "FluMist",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "5 Years to 49 Years"
      },
      "enrollment_count": 63061,
      "start_date": "2003-10",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2013-01-08",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 77,
      "location_summary": "Alameda, California • Antioch, California • Clovis, California + 49 more",
      "locations": [
        {
          "city": "Alameda",
          "state": "California"
        },
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00113880"
    },
    {
      "nct_id": "NCT05606965",
      "title": "A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1010 in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "mRNA-1010",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Egg-based Quadrivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adjuvanted Quadrivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Inactivated Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1345",
          "type": "BIOLOGICAL"
        },
        {
          "name": "mRNA-1045",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "ModernaTX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 172,
      "start_date": "2022-11-02",
      "completion_date": "2025-11-13",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05606965"
    },
    {
      "nct_id": "NCT07431853",
      "title": "A Study to Learn About mRNA Vaccines Against Influenza in Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Vaccine Candidate #1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #5",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaccine Candidate #6",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TIV1 or TIV2",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 770,
      "start_date": "2026-02-23",
      "completion_date": "2027-06-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 15,
      "location_summary": "Mobile, Alabama • Walnut Creek, California • Milford, Connecticut + 12 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07431853"
    },
    {
      "nct_id": "NCT04551677",
      "title": "Annual Study for Collection of Serum Samples in Children and Older Adults Receiving the 2020-2021 Formulations of Fluzone Quadrivalent Vaccine and Fluzone High-Dose Quadrivalent Vaccine, Respectively",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza Immunization",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Fluzone Quadrivalent vaccine, No Preservative (0.5-mL dose), 2020-2021 formulation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluzone High-Dose Quadrivalent vaccine (0.7-mL dose), 2020-2021 formulation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "6 Months to 84 Years"
      },
      "enrollment_count": 90,
      "start_date": "2020-09-16",
      "completion_date": "2020-12-18",
      "has_results": true,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 2,
      "location_summary": "Bardstown, Kentucky • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04551677"
    },
    {
      "nct_id": "NCT02100436",
      "title": "Safety and Immunogenicity of a Monovalent Inactivated Influenza H3N2 Variant (H3N2v) Vaccine in Pediatric Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203",
          "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": 270,
      "start_date": "2014-06-11",
      "completion_date": "2015-03-20",
      "has_results": false,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 8,
      "location_summary": "Atlanta, Georgia • Baltimore, Maryland • Kansas City, Missouri + 5 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02100436"
    },
    {
      "nct_id": "NCT05650554",
      "title": "Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Influenza mRNA Vaccine MRT5413",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Recombinant Influenza Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza Standard Dose Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Influenza High-Dose Vaccine",
          "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": 682,
      "start_date": "2022-12-12",
      "completion_date": "2024-04-02",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 28,
      "location_summary": "Chula Vista, California • Gardena, California • Long Beach, California + 24 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Gardena",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "North Hollywood",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650554"
    },
    {
      "nct_id": "NCT01224262",
      "title": "A Study Evaluating the Safety and Tolerability of a Seasonal Influenza Vaccine Containing LIQ001",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Fluzone® (2010/2011 Inactivated Trivalent Influenza Vaccine)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "LIQ001 (0.45mg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "LIQ001 (1.8mg)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Liquidia Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2010-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-03-01",
      "last_synced_at": "2026-10-14T02:56:58.659Z",
      "location_count": 1,
      "location_summary": "Melbourne, Florida",
      "locations": [
        {
          "city": "Melbourne",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01224262"
    },
    {
      "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": "2026-10-14T02:56:58.659Z",
      "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"
    }
  ]
}