{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Meningococcal+Vaccines&page=4",
    "query": {
      "condition": "Meningococcal Vaccines",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 112,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Meningococcal+Vaccines&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Meningococcal+Vaccines&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T12:27:35.157Z",
  "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": "NCT00856297",
      "title": "Evaluation of Persistence of Anti-meningococcal Bactericidal Antibodies Among Adolescents Who Previously Received MenACWY Conjugate Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis"
      ],
      "interventions": [
        {
          "name": "MenACWY-CRM conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed comparator",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 389,
      "start_date": "2009-02",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Fremont, California • Fresno, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00856297"
    },
    {
      "nct_id": "NCT02500511",
      "title": "Persistence of Protective Antibody Titers 12-24 Months After NmVac4-A/C/Y/W-135-DT Vaccination: Follow Up Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "NmVac4-A/C/Y/W-135-DT™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "JN-International Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 50,
      "start_date": "2015-06",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-04-12",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 1,
      "location_summary": "Towson, Maryland",
      "locations": [
        {
          "city": "Towson",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500511"
    },
    {
      "nct_id": "NCT00777257",
      "title": "Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcemia",
        "Pertussis",
        "Tetanus",
        "Diphtheria"
      ],
      "interventions": [
        {
          "name": "T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 1345,
      "start_date": "2005-04",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 20,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Boulder, Colorado + 17 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Woodstock",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777257"
    },
    {
      "nct_id": "NCT02287688",
      "title": "Meningococcal Quadrivalent CRM-197 Conjugate Vaccine Infant Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningococcal Disease",
        "Infections, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Meningococcal quadrivalent CRM-197 conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "23 Months",
        "sex": "ALL",
        "summary": "2 Months to 23 Months"
      },
      "enrollment_count": 144,
      "start_date": "2014-12-01",
      "completion_date": "2017-11-29",
      "has_results": true,
      "last_update_posted_date": "2019-10-21",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02287688"
    },
    {
      "nct_id": "NCT02199691",
      "title": "Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide (Serogroups A, C, Y, and W135) Tetanus Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal (Groups A, C, Y and W135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Adacel®: Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GARDASIL®: Human Papillomavirus Quadrivalent (Types 6, 11, 16, and 18) Vaccine, Recombinant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 1715,
      "start_date": "2014-07-22",
      "completion_date": "2015-10-02",
      "has_results": true,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Downey, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02199691"
    },
    {
      "nct_id": "NCT02569632",
      "title": "Investigating the Immunogenicity of a U.S.-Licensed Meningococcal Serogroup B Vaccine (Trumenba)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Trumenba Vaccine (Wyeth/Pfizer Pharmaceuticals)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "UCSF Benioff Children's Hospital Oakland",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2015-01",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 2,
      "location_summary": "Oakland, California • Worcester, Massachusetts",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02569632"
    },
    {
      "nct_id": "NCT01830855",
      "title": "A Trial to Assess the Lot Consistency, Safety, Tolerability and Immunogenicity of Bivalent rLP2086 Vaccine When Given to Healthy Subjects Aged ≥10 to <19 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Vaccine"
      ],
      "interventions": [
        {
          "name": "rLP2086",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix (HAV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 3596,
      "start_date": "2013-04",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2016-06-14",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 62,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Harrisburg, Arkansas + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Harrisburg",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01830855"
    },
    {
      "nct_id": "NCT00297817",
      "title": "Study of the Safety and Immune Response of Two Serogroup B Meningococcal Vaccines Administered to Healthy Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningococcal Disease"
      ],
      "interventions": [
        {
          "name": "serogroup B meningococcal vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 203,
      "start_date": "2006-02",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2016-12-01",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 8,
      "location_summary": "Encinitas, California • Atlanta, Georgia • St Louis, Missouri + 5 more",
      "locations": [
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00297817"
    },
    {
      "nct_id": "NCT01239043",
      "title": "Antibody Persistence and Response to Re-vaccination With Either Menactra® or Menomune® 3 Years After Initial Vaccination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Menomune®: A, C, Y, W 135 Meningococcal Polysaccharide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Menactra®: Meningococcal (A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "56 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "56 Years and older"
      },
      "enrollment_count": 139,
      "start_date": "2010-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2012-06-25",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • Bardstown, Kentucky • Albuquerque, New Mexico + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "West Jordan",
          "state": "Utah"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01239043"
    },
    {
      "nct_id": "NCT00643916",
      "title": "Study of a Tetravalent Meningococcal Diphtheria Toxoid Conjugate Vaccine in Toddlers 9 to 18 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide Diphtheria Protein Conjugate (Menactra®)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "A/C/Y/W-135, Meningococcal Polysaccharide Vaccine (Menomune®)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "9 Months to 5 Years"
      },
      "enrollment_count": 378,
      "start_date": "2004-12",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-10-11T12:27:35.157Z",
      "location_count": 14,
      "location_summary": "Little Rock, Arkansas • Norwich, Connecticut • Atlanta, Georgia + 11 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Norwich",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00643916"
    }
  ]
}