{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=3",
    "query": {
      "condition": "Pneumococcal Vaccines",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 177,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T16:58:33.339Z",
  "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": "NCT00824850",
      "title": "Study Evaluating Prevnar Infant Long-term Immune Response Versus Prevnar Naive Cohort",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Conjugate Vaccine"
      ],
      "interventions": [
        {
          "name": "13-valent Pneumococcal Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "8 Years to 16 Years"
      },
      "enrollment_count": 75,
      "start_date": "2010-01",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2011-11-11",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 2,
      "location_summary": "Hayward, California • San Jose, California",
      "locations": [
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824850"
    },
    {
      "nct_id": "NCT05266456",
      "title": "Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "24 valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20 valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vaxcyte, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 835,
      "start_date": "2022-02-22",
      "completion_date": "2023-01-10",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 13,
      "location_summary": "Hollywood, Florida • Sunrise, Florida • Savannah, Georgia + 10 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Sunrise",
          "state": "Florida"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Valparaiso",
          "state": "Indiana"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05266456"
    },
    {
      "nct_id": "NCT00508950",
      "title": "Study Evaluating Serum Collected From Healthy Adults For Development of Pneumococcal Opsonophagocytic Assay",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Large volume blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 152,
      "start_date": "2007-08",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-08-17",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 1,
      "location_summary": "Secaucus, New Jersey",
      "locations": [
        {
          "city": "Secaucus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00508950"
    },
    {
      "nct_id": "NCT06182124",
      "title": "A Study to Learn About the Safety and Immune Response of a New Pneumococcal Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "Multivalent Pneumococcal Vaccine - Formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivalent Pneumococcal Vaccine - Formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20-valent pneumococcal conjugate vaccine (20vPnC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed pneumococcal comparator vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivalent Pneumococcal Vaccine - Formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Multivalent Pneumococcal Vaccine - Formulation 4",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1710,
      "start_date": "2023-12-20",
      "completion_date": "2026-05-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 20,
      "location_summary": "Doral, Florida • Hialeah, Florida • Stockbridge, Georgia + 13 more",
      "locations": [
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06182124"
    },
    {
      "nct_id": "NCT00493324",
      "title": "Study to Evaluate the Immune Response to Pneumococcal Vaccine in Alefacept-treated Adults With Chronic Plaque Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "alefacept",
          "type": "DRUG"
        },
        {
          "name": "polyvalent pneumococcal vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2007-07",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2012-02-02",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • San Diego, California • New York, New York + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00493324"
    },
    {
      "nct_id": "NCT04745559",
      "title": "Optimizing Cellular and Humoral Immunity by Vaccinating With PCV13 Before and After CAR-T Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large-Cell Lymphoma",
        "Primary Mediastinal Large B-Cell Lymphoma (PMBCL)",
        "Transformed Follicular Lymphoma (TFL)",
        "High-grade B-cell Lymphoma (HGBCL)",
        "Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Pneumococcal conjugate vaccine (PCV13)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CD19 targeted CAR T Cell Therapy",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2021-02-18",
      "completion_date": "2027-06",
      "has_results": true,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04745559"
    },
    {
      "nct_id": "NCT03165981",
      "title": "Fever After Simultaneous Versus Sequential Vaccination in Young Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fever After Vaccination",
        "Fever",
        "Febrile Seizure"
      ],
      "interventions": [
        {
          "name": "PCV13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IIV",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "16 Months",
        "sex": "ALL",
        "summary": "12 Months to 16 Months"
      },
      "enrollment_count": 221,
      "start_date": "2017-08-25",
      "completion_date": "2018-01-15",
      "has_results": true,
      "last_update_posted_date": "2024-11-18",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Atlanta, Georgia • Durham, North Carolina",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03165981"
    },
    {
      "nct_id": "NCT03104075",
      "title": "Genomics and Epigenomics of the Elderly Response to Pneumococcal Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pneumonia",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Pneumococcal 13valent Conj Vaccine Diphtheria CRM197 Protein",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Vaccine Polyvalent",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "The Jackson Laboratory",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2017-04-17",
      "completion_date": "2020-08-29",
      "has_results": true,
      "last_update_posted_date": "2025-08-22",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03104075"
    },
    {
      "nct_id": "NCT00574548",
      "title": "Study Evaluating the Safety, Tolerability and Immunogenicity of 13vPnC as a 2-Dose Regimen or With 23vPS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "13 valent Pneumococcal Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "23-valent Pneumococcal Polysaccharide Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "60 Years to 64 Years"
      },
      "enrollment_count": 720,
      "start_date": "2007-11",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2011-07-22",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 6,
      "location_summary": "Chandler, Arizona • Pembroke Pines, Florida • Boise, Idaho + 3 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574548"
    },
    {
      "nct_id": "NCT07660198",
      "title": "Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "PG4",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20-valent pneumococcal conjugate vaccine (20vPnC)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "15 Months to 17 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2026-06-15",
      "completion_date": "2027-12-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-22T16:58:33.339Z",
      "location_count": 57,
      "location_summary": "Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Guntersville",
          "state": "Alabama"
        },
        {
          "city": "Fair Oaks",
          "state": "California"
        },
        {
          "city": "Ontario",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07660198"
    }
  ]
}