{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Meningococcal+Polysaccharide+Diphtheria+Toxoid+Conjugate",
    "query": {
      "intervention": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Meningococcal+Polysaccharide+Diphtheria+Toxoid+Conjugate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T10:53:59.236Z",
  "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": "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": "2026-10-04T10:53:59.236Z",
      "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": "NCT00384397",
      "title": "A Study of 2 Doses of Menactra®, a Meningococcal Conjugate Vaccine in Healthy Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "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": "249 Days",
        "maximum_age": "305 Days",
        "sex": "ALL",
        "summary": "249 Days to 305 Days"
      },
      "enrollment_count": 1128,
      "start_date": "2006-09",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 39,
      "location_summary": "Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 35 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384397"
    },
    {
      "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": "2026-10-04T10:53:59.236Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01689155"
    },
    {
      "nct_id": "NCT02097849",
      "title": "Vaccination Response in Tecfidera-Treated Versus Interferon-Treated Participants With Relapsing Forms of Multiple Sclerosis.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Relapsing Forms of Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "dimethyl fumarate",
          "type": "DRUG"
        },
        {
          "name": "tetanus diphtheria toxoids vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "23-valent pneumococcal polysaccharide vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "meningococcal polysaccharide diphtheria conjugate vaccine (quadrivalent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "non-pegylated interferon",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 71,
      "start_date": "2015-02-28",
      "completion_date": "2016-05-02",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 14,
      "location_summary": "Gilbert, Arizona • Thornton, Colorado • Fort Lauderdale, Florida + 11 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Thornton",
          "state": "Colorado"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02097849"
    },
    {
      "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": "2026-10-04T10:53:59.236Z",
      "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": "NCT00422292",
      "title": "Immunogenicity and Safety of Pediatric Vaccines When Administered With Menactra® in Healthy Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide Diphtheria Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, Mumps, Rubella and Varicella",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "9 Months to 12 Months"
      },
      "enrollment_count": 1664,
      "start_date": "2006-12",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 87,
      "location_summary": "Tuscaloosa, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 74 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Atascadero",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422292"
    },
    {
      "nct_id": "NCT00700635",
      "title": "Dose Comparison Study of Menactra® in US Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection",
        "Neisseria Meningitidis"
      ],
      "interventions": [
        {
          "name": "Menactra®: Meningococcal Polysaccharide Diphtheria Conjugate",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "2 Years to 10 Years"
      },
      "enrollment_count": 333,
      "start_date": "2008-06",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 15,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Boca Raton, Florida + 12 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Viera",
          "state": "Florida"
        },
        {
          "city": "Woburn",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00700635"
    },
    {
      "nct_id": "NCT01659996",
      "title": "Study of Menactra® in Healthy Subjects at 9 Months and Concomitantly With Pentacel® at 15 to 18 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection",
        "Diphtheria",
        "Tetanus",
        "Pertussis",
        "Haemophilus Influenzae Serotype b (Hib)"
      ],
      "interventions": [
        {
          "name": "Meningococcal polysaccharide diphtheria toxoid conjugate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Meningococcal polysaccharide diphtheria toxoid conjugate + Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b 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": "18 Months",
        "sex": "ALL",
        "summary": "9 Months to 18 Months"
      },
      "enrollment_count": 1394,
      "start_date": "2012-07",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2015-12-15",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 56,
      "location_summary": "Birmingham, Alabama • Pinson, Alabama • Tucson, Arizona + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pinson",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01659996"
    },
    {
      "nct_id": "NCT00474526",
      "title": "A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningitis, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Meningococcal ACWY Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV-HBV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 7-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HAV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMR-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "2 Months to 2 Months"
      },
      "enrollment_count": 4545,
      "start_date": "2007-03",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-24",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 53,
      "location_summary": "Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more",
      "locations": [
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474526"
    },
    {
      "nct_id": "NCT01442675",
      "title": "Study of a Single Dose of Menactra® Vaccine 4-6 Years After Prior Menactra Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate: Menactra®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "15 Years to 55 Years"
      },
      "enrollment_count": 834,
      "start_date": "2011-09",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-11-18",
      "last_synced_at": "2026-10-04T10:53:59.236Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • San Diego, California • Bardstown, Kentucky + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bardstown",
          "state": "Kentucky"
        },
        {
          "city": "Crestview Hills",
          "state": "Kentucky"
        },
        {
          "city": "Spokane",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01442675"
    }
  ]
}