{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vaccine+Candidate+%234&page=2",
    "query": {
      "intervention": "Vaccine Candidate #4",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 70,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vaccine+Candidate+%234&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vaccine+Candidate+%234&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T06:23:06.697Z",
  "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": "NCT06337643",
      "title": "A Study to Evaluate Tolerability, Safety and Immunogenicity of MVX01 Pneumococcal Vaccine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Vaccine"
      ],
      "interventions": [
        {
          "name": "MVX01",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MVX01 Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Matrivax Research and Development Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 75,
      "start_date": "2023-03-07",
      "completion_date": "2024-04-16",
      "has_results": false,
      "last_update_posted_date": "2024-03-29",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 2,
      "location_summary": "Savannah, Georgia • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06337643"
    },
    {
      "nct_id": "NCT05153304",
      "title": "Personalized Immunotherapy in Adults With Upper Gastrointestinal Tract Cancers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cancer of Gastrointestinal Tract"
      ],
      "interventions": [
        {
          "name": "personalized vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2024-06-10",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05153304"
    },
    {
      "nct_id": "NCT04142086",
      "title": "Dose-ranging Study of an Investigational Yellow Fever Candidate Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Yellow Fever (Healthy Volunteers)"
      ],
      "interventions": [
        {
          "name": "Yellow fever vaccine (produced on serum-free Vero cells), Dosage 1 vYF vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Yellow fever vaccine (produced on serum-free Vero cells), Dosage 2 vYF vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Yellow fever vaccine (produced on serum-free Vero cells), Dosage 3 vYF vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Yellow fever 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": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 73,
      "start_date": "2020-01-15",
      "completion_date": "2021-06-24",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04142086"
    },
    {
      "nct_id": "NCT07730450",
      "title": "A Study to Learn About a COVID-19 Vaccine in Healthy Adults 18 Through 64 Years of Age",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "COVID-19 Vaccines"
      ],
      "interventions": [
        {
          "name": "BNT162b2 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tdap Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 200,
      "start_date": "2026-07-23",
      "completion_date": "2027-08-20",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 5,
      "location_summary": "Walnut Creek, California • Miami Lakes, Florida • Honolulu, Hawaii + 2 more",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07730450"
    },
    {
      "nct_id": "NCT00375726",
      "title": "Safety of and Immune Response to a Dengue Virus Vaccine (rDEN3/4delta30[ME]) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dengue"
      ],
      "interventions": [
        {
          "name": "rDEN3/4delta30(ME)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 58,
      "start_date": "2006-10",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2010-12-14",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00375726"
    },
    {
      "nct_id": "NCT01006798",
      "title": "Safety and Immunogenicity of Replication-Competent Adenovirus 4-vectored Vaccine for Avian Influenza H5N1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bird Flu",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Ad4-H5-Vtn",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sanofi Pasteur Influenza Virus Vaccine, H5N1",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Emergent BioSolutions",
      "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": 166,
      "start_date": "2009-10",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2024-03-18",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 4,
      "location_summary": "Lexington, Kentucky • Kansas City, Missouri • Rochester, New York + 1 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01006798"
    },
    {
      "nct_id": "NCT00919178",
      "title": "Safety of and Immune Response to DEN4 Vaccine Component Candidate for Dengue Virus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dengue Shock Syndrome",
        "Dengue Hemorrhagic Fever"
      ],
      "interventions": [
        {
          "name": "DEN4 Vaccine Candidate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DEN4 Vaccine Placebo",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 70,
      "start_date": "2009-07",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2013-01-03",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Burlington, Vermont",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919178"
    },
    {
      "nct_id": "NCT00516035",
      "title": "Single Group Study of the Safety of and Immune Response to a Bird Flu Vaccine (H7N3) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)",
          "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": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 22,
      "start_date": "2007-09",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-18",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00516035"
    },
    {
      "nct_id": "NCT06118151",
      "title": "Safety and Immunogenicity of a Monovalent mRNA Vaccine Encoding Influenza Hemagglutinin in Adult Participants 18 Years of Age and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Influenza",
        "Influenza Immunization"
      ],
      "interventions": [
        {
          "name": "Influenza Hemagglutinin mRNA vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quadrivalent Recombinant Influenza 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": 388,
      "start_date": "2022-04-11",
      "completion_date": "2023-02-17",
      "has_results": false,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 20,
      "location_summary": "Rolling Hills Estates, California • San Diego, California • Coral Gables, Florida + 14 more",
      "locations": [
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06118151"
    },
    {
      "nct_id": "NCT00322946",
      "title": "Safety of and Immune Response to a Dengue Virus Vaccine (rDEN4delta30-4995) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dengue"
      ],
      "interventions": [
        {
          "name": "rDEN4delta30-4995",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 84,
      "start_date": "2007-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-08-07",
      "last_synced_at": "2026-10-02T06:23:06.697Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00322946"
    }
  ]
}