{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=polyvalent+pneumococcal+vaccine&page=3",
    "query": {
      "intervention": "polyvalent pneumococcal vaccine",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 132,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=polyvalent+pneumococcal+vaccine&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=polyvalent+pneumococcal+vaccine&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T04:50:04.557Z",
  "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": "NCT03950856",
      "title": "Lot-to-Lot Consistency of V114 in Healthy Adults (V114-020)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections",
        "Pneumonia, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "V114",
          "type": "DRUG"
        },
        {
          "name": "Prevnar 13™",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 2340,
      "start_date": "2019-06-12",
      "completion_date": "2020-04-03",
      "has_results": true,
      "last_update_posted_date": "2021-04-12",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 30,
      "location_summary": "Chandler, Arizona • Mesa, Arizona • Fountain Valley, California + 26 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03950856"
    },
    {
      "nct_id": "NCT06514547",
      "title": "Vaccine Immunity and Inflammation in the Aging Person Living With HIV",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infections",
        "Age"
      ],
      "interventions": [
        {
          "name": "Conjugate Pneumococcal Vaccine 20 (PCV20)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2024-07-08",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06514547"
    },
    {
      "nct_id": "NCT06128915",
      "title": "The Role of Neutrophils in the Age-driven Decline in Anti-pneumococcal Vaccine Responses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "vaccine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2024-01-08",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06128915"
    },
    {
      "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": "2026-10-05T04:50:04.557Z",
      "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": "NCT07629440",
      "title": "A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.",
      "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": "42 Days",
        "maximum_age": "211 Days",
        "sex": "ALL",
        "summary": "42 Days to 211 Days"
      },
      "enrollment_count": 3230,
      "start_date": "2026-05-29",
      "completion_date": "2029-06-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 106,
      "location_summary": "Bessemer, Alabama • Birmingham, Alabama • Centreville, Alabama + 75 more",
      "locations": [
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Centreville",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07629440"
    },
    {
      "nct_id": "NCT00169234",
      "title": "Pneumococcal Adult-dose Ranging Immunization Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "PCV7, Prevnar®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumovax 23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "70 Years to 79 Years"
      },
      "enrollment_count": 220,
      "start_date": "2003-05",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00169234"
    },
    {
      "nct_id": "NCT02309515",
      "title": "Lenalidomide in Improving Immune Response to Vaccine Therapy in Patients With Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, or Monoclonal B Cell Lymphocytosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Monoclonal B-Cell Lymphocytosis",
        "Stage 0 Chronic Lymphocytic Leukemia",
        "Stage I Chronic Lymphocytic Leukemia",
        "Stage I Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Pneumococcal 13-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2015-06-11",
      "completion_date": "2017-07-21",
      "has_results": true,
      "last_update_posted_date": "2021-01-19",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02309515"
    },
    {
      "nct_id": "NCT05412030",
      "title": "A Phase 2 Study to Evaluate the Safety, Tolerability, and Immune Response of AFX3772 Vaccine in Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumonia, Bacterial",
        "Pneumococcal Infections",
        "Pneumonia, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "AFX3772",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 20",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "90 Days",
        "sex": "ALL",
        "summary": "42 Days to 90 Days"
      },
      "enrollment_count": 388,
      "start_date": "2022-06-16",
      "completion_date": "2025-09-18",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 42,
      "location_summary": "Jonesboro, Arkansas • Los Angeles, California • Miami, Florida + 35 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Saint Augustine",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05412030"
    },
    {
      "nct_id": "NCT05794191",
      "title": "A Study To Learn About The Effects Of Pneumococcal Vaccine In People With HIV",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV",
        "Pneumonia",
        "Infections, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "Vaccine Administration",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350399,
      "start_date": "2023-03-22",
      "completion_date": "2024-08-15",
      "has_results": true,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05794191"
    },
    {
      "nct_id": "NCT05425732",
      "title": "Safety and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Adults (V116-003, STRIDE-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infection"
      ],
      "interventions": [
        {
          "name": "V116",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PCV20",
          "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": 2663,
      "start_date": "2022-07-13",
      "completion_date": "2023-05-18",
      "has_results": true,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-10-05T04:50:04.557Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 52 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05425732"
    }
  ]
}