{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Meningococcal+Vaccines",
    "query": {
      "condition": "Meningococcal Vaccines"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 111,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Meningococcal+Vaccines&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T18:22:58.990Z",
  "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": "NCT04440176",
      "title": "A Trial to Describe the Safety and Immunogenicity of MenABCWY When Administered on 2 Schedules",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningococcal Vaccine"
      ],
      "interventions": [
        {
          "name": "MenABCWY",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "11 Years to 14 Years"
      },
      "enrollment_count": 309,
      "start_date": "2020-06-17",
      "completion_date": "2024-01-05",
      "has_results": true,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 20,
      "location_summary": "Mobile, Alabama • San Diego, California • Orlando, Florida + 14 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Norfolk",
          "state": "Nebraska"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04440176"
    },
    {
      "nct_id": "NCT01984125",
      "title": "Testing the Use of Prompts to Increase Adolescent Immunization Rates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccine Preventable Diseases",
        "Meningococcal Disease",
        "Human Papillomavirus",
        "Pertussis",
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Point-of-Care Prompt",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 7040,
      "start_date": "2011-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 22,
      "location_summary": "Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01984125"
    },
    {
      "nct_id": "NCT00459316",
      "title": "Safety of and Immune Response to a Meningitis Vaccine in HIV-Infected Children and Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections",
        "Meningitis"
      ],
      "interventions": [
        {
          "name": "Quadrivalent meningococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "2 Years to 24 Years"
      },
      "enrollment_count": 384,
      "start_date": "2007-06",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 35,
      "location_summary": "Alhambra, California • Long Beach, California • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00459316"
    },
    {
      "nct_id": "NCT04142242",
      "title": "Study to Assess the Safety and Immunogenicity of a Single Dose of a Quadrivalent Meningococcal (MenACYW) Conjugate Vaccine in Older Adults Who Received a Primary Vaccination (3 or More Years Earlier) in Study MET49",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Infection (Healthy Volunteers)"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide (serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "59 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "59 Years and older"
      },
      "enrollment_count": 471,
      "start_date": "2019-10-04",
      "completion_date": "2022-05-25",
      "has_results": true,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 33,
      "location_summary": "Chandler, Arizona • San Diego, California • Waterbury, Connecticut + 27 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Waterbury",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04142242"
    },
    {
      "nct_id": "NCT00777790",
      "title": "Study of a Booster Dose of Meningococcal Diphtheria Toxoid Conjugate Vaccine in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcemia"
      ],
      "interventions": [
        {
          "name": "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": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 241,
      "start_date": "2004-02",
      "completion_date": "2005-04",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 9,
      "location_summary": "Atlanta, Georgia • Marietta, Georgia • Woburn, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Woburn",
          "state": "Massachusetts"
        },
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777790"
    },
    {
      "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": "2026-06-10T18:22:58.990Z",
      "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"
    },
    {
      "nct_id": "NCT04440163",
      "title": "MenABCWY Noninferiority Study in Healthy Participants ≥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": "Trumenba",
          "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": 2431,
      "start_date": "2020-06-17",
      "completion_date": "2022-07-24",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Tempe, Arizona • Banning, California + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Banning",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04440163"
    },
    {
      "nct_id": "NCT03537508",
      "title": "Immunogenicity and Safety of a Quadrivalent Meningococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers in the US",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy Volunteers (Meningococcal Infection)"
      ],
      "interventions": [
        {
          "name": "MenACYW conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MenACYW-135 conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV//Hib vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 13-valent conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentavalent rotavirus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, mumps, rubella (MMR) vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis A vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "89 Days",
        "sex": "ALL",
        "summary": "42 Days to 89 Days"
      },
      "enrollment_count": 2627,
      "start_date": "2018-04-25",
      "completion_date": "2023-09-22",
      "has_results": true,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 65,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03537508"
    },
    {
      "nct_id": "NCT01544764",
      "title": "Examining Adolescent Assessment, Feedback, Incentive, and Exchange (AFIX) in North Carolina",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Health Services",
        "Immunization"
      ],
      "interventions": [
        {
          "name": "Assessment , Feedback, Incentives, and eXchange Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 91,
      "start_date": "2011-04",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-12-18",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01544764"
    },
    {
      "nct_id": "NCT02975596",
      "title": "MenB Vaccine: Implementation Via Information, Empowerment and Accessibility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meningococcal Vaccine"
      ],
      "interventions": [
        {
          "name": "Awareness",
          "type": "OTHER"
        },
        {
          "name": "Education",
          "type": "OTHER"
        },
        {
          "name": "Empowerment",
          "type": "OTHER"
        },
        {
          "name": "Accessibility",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "16 Years to 99 Years"
      },
      "enrollment_count": 1326,
      "start_date": "2016-12",
      "completion_date": "2019-10-08",
      "has_results": false,
      "last_update_posted_date": "2020-02-06",
      "last_synced_at": "2026-06-10T18:22:58.990Z",
      "location_count": 6,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02975596"
    }
  ]
}