{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=4",
    "query": {
      "condition": "Pneumococcal Vaccines",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 177,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T14:54:56.794Z",
  "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": "NCT00578175",
      "title": "Immunogenicity and Safety of GlaxoSmithKline Biologicals' MMRV Vaccine vs. ProQuad® in Children 12-14 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Varicella",
        "Rubella",
        "Mumps",
        "Measles"
      ],
      "interventions": [
        {
          "name": "Priorix-Tetra™ (MMRV vaccine 208136)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ProQuad®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "14 Months",
        "sex": "ALL",
        "summary": "12 Months to 14 Months"
      },
      "enrollment_count": 1851,
      "start_date": "2007-11-20",
      "completion_date": "2009-03-17",
      "has_results": true,
      "last_update_posted_date": "2018-10-09",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 141,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 125 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Benton",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578175"
    },
    {
      "nct_id": "NCT06736041",
      "title": "Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Immunization"
      ],
      "interventions": [
        {
          "name": "PCV21 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 20 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Vaxelis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hexaxim 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": 1714,
      "start_date": "2024-12-18",
      "completion_date": "2027-05-17",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 66,
      "location_summary": "Glendale, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 48 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Huntington Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06736041"
    },
    {
      "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": "2026-10-23T14:54:56.794Z",
      "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": "NCT03615482",
      "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 When Administered Concomitantly With Influenza Vaccine in Healthy Adults 50 Years of Age or Older (V114-021/PNEU-FLU)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "V114",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matching Placebo for V114",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1200,
      "start_date": "2018-09-14",
      "completion_date": "2019-06-24",
      "has_results": true,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Mesa, Arizona + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03615482"
    },
    {
      "nct_id": "NCT07365826",
      "title": "A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 With Influenza Vaccine in Adults ≥ 50 Years of Age",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "31-valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Seasonal Influenza Vaccine (SIV) (Flublok)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vaxcyte, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1390,
      "start_date": "2026-01-12",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 25,
      "location_summary": "Phoenix, Arizona • Fort Collins, Colorado • DeLand, Florida + 22 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Jupiter",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07365826"
    },
    {
      "nct_id": "NCT02232191",
      "title": "Immunologic Response to Pneumococcal Polysaccharide Vaccine in Splenic Injury Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asplenia"
      ],
      "interventions": [
        {
          "name": "Pneumovax-23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 75,
      "start_date": "2014-12",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02232191"
    },
    {
      "nct_id": "NCT07247188",
      "title": "Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "PCV21",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20vPCV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-01-20",
      "completion_date": "2027-01-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 5,
      "location_summary": "Atlanta, Georgia • Omaha, Nebraska • New Brunswick, New Jersey + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07247188"
    },
    {
      "nct_id": "NCT04168190",
      "title": "A Phase 1/Phase 2 Study of Polyvalent Pneumococcal Conjugate Vaccine (V116) in Adults (V116-001)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pneumonia, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "V116",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumovax™23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2019-12-06",
      "completion_date": "2021-07-12",
      "has_results": true,
      "last_update_posted_date": "2022-09-16",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 20,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Coral Gables, Florida + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04168190"
    },
    {
      "nct_id": "NCT00133549",
      "title": "9-valent CRM 197 Pneumococcal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Infection"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "PNU-IMUNE®23",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nine-valent pneumococcal conjugate (PNCRM9)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2000-11",
      "completion_date": "2002-12",
      "has_results": false,
      "last_update_posted_date": "2014-10-17",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 2,
      "location_summary": "Rochester, New York • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00133549"
    },
    {
      "nct_id": "NCT01109108",
      "title": "Streptococcus Pneumonia: Effects of PCV13 on Pneumococcal Carriage",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nasopharyngeal Carriage of S. Pneumoniae"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 9000,
      "start_date": "2010-04",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-10-23T14:54:56.794Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01109108"
    }
  ]
}