{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Meningococcal+vaccine",
    "query": {
      "intervention": "Meningococcal vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 121,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Meningococcal+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T00:30:27.127Z",
  "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": "NCT04886154",
      "title": "A Study on the Safety, Effectiveness and Immune Response of Meningococcal Combined ABCWY Vaccine in Healthy Adolescents and Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Infections, Meningococcal"
      ],
      "interventions": [
        {
          "name": "MenABCWY-2Gen low dose vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "MenABCWY-2Gen high dose vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "MenB vaccine",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "MenACWY vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "10 Years to 50 Years"
      },
      "enrollment_count": 1440,
      "start_date": "2021-06-14",
      "completion_date": "2024-02-02",
      "has_results": true,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 12,
      "location_summary": "Colorado Springs, Colorado • Longmont, Colorado • Doral, Florida + 9 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Longmont",
          "state": "Colorado"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04886154"
    },
    {
      "nct_id": "NCT01689155",
      "title": "Post-licensure Safety Surveillance Study of Menactra Vaccine When Administered As a 2-dose Schedule to Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Menactra®: Meningococcal Polysaccharide Diphtheria Toxoid Conjugate",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "23 Months",
        "sex": "ALL",
        "summary": "9 Months to 23 Months"
      },
      "enrollment_count": 116,
      "start_date": "2011-06",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2016-11-11",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01689155"
    },
    {
      "nct_id": "NCT03135834",
      "title": "A Trial to Describe the Immunogenicity and Safety of 2 Doses of Bivalent rLP2086 (Trumenba) and a Pentavalent Meningococcal Vaccine in Healthy Subjects >=10 to <26 Years of Age.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Vaccine"
      ],
      "interventions": [
        {
          "name": "MenABCWY",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rLP2086",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MenACWY-CRM",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "10 Years to 25 Years"
      },
      "enrollment_count": 1610,
      "start_date": "2017-04-24",
      "completion_date": "2022-10-25",
      "has_results": true,
      "last_update_posted_date": "2023-08-08",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Fountain Hills, Arizona + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Fountain Hills",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Harrisburg",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03135834"
    },
    {
      "nct_id": "NCT00678652",
      "title": "Phase 1 Safety and Immunogenicity of Meningococcal Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Meningococcal Infection, Group B"
      ],
      "interventions": [
        {
          "name": "10 μg Group B Meningococcal 8570 HOPS-G NOMV Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "25 μg Group B Meningococcal 8570 HOPS-G NOMV Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "50 μg Group B Meningococcal 8570 HOPS-G NOMV Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "75 μg Group B Meningococcal 8570 HOPS-G NOMV Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 36,
      "start_date": "2008-04",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-18",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00678652"
    },
    {
      "nct_id": "NCT01482052",
      "title": "Safety Study of Group A, C, Y & W-135 Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine for Meningitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "meningococcal meningitis conjugate vaccine, quadrivalent",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "JN-International Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 60,
      "start_date": "2011-11",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-01-14",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 1,
      "location_summary": "Hanford, California",
      "locations": [
        {
          "city": "Hanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482052"
    },
    {
      "nct_id": "NCT02752906",
      "title": "Immunogenicity and Safety of a Booster Dose of an Investigational Quadrivalent Meningococcal Conjugate Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Meningitis",
        "Meningococcal Infections"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal (Groups A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 810,
      "start_date": "2016-04-15",
      "completion_date": "2016-12-19",
      "has_results": true,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Mesa, Arizona + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02752906"
    },
    {
      "nct_id": "NCT01148017",
      "title": "Evaluation of Meningococcal Immune Response Among Children Who Previously Received MenACWY Conjugate Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis"
      ],
      "interventions": [
        {
          "name": "Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "37 Months",
        "maximum_age": "63 Months",
        "sex": "ALL",
        "summary": "37 Months to 63 Months"
      },
      "enrollment_count": 433,
      "start_date": "2010-07",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 19,
      "location_summary": "Birmingham, Alabama • Downey, California • Oakland, California + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01148017"
    },
    {
      "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": "2026-09-23T00:30:27.127Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02287688"
    },
    {
      "nct_id": "NCT00258856",
      "title": "Persistence of Antibodies in Children Aged 7 to 15 Years Who Previously Received One Dose of Menactra® or Menomune®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Polysaccharide Diphtheria Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "7 Years to 15 Years"
      },
      "enrollment_count": 234,
      "start_date": "2006-01",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 11,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Marietta, Georgia + 8 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00258856"
    },
    {
      "nct_id": "NCT01823536",
      "title": "Persistence of Immunogenicity of MenACWY Conjugate Vaccine 5 Years After Childhood Vaccination, and Immune Response to a Booster Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningococcal Disease"
      ],
      "interventions": [
        {
          "name": "Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "7 Years to 15 Years"
      },
      "enrollment_count": 465,
      "start_date": "2013-05",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-15",
      "last_synced_at": "2026-09-23T00:30:27.127Z",
      "location_count": 15,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Downey, California + 10 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01823536"
    }
  ]
}