{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumovax-23",
    "query": {
      "intervention": "Pneumovax-23"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumovax-23&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T08:47:00.395Z",
  "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": "NCT05170399",
      "title": "Vaccine Responses in Patients With B Cell Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "AREXVY, ABRYSVO",
          "type": "DRUG"
        },
        {
          "name": "PREVNAR 20",
          "type": "DRUG"
        },
        {
          "name": "PNEUMOVAX 23",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Heplisav -B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PREVNAR 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Shingrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 350,
      "start_date": "2022-09-14",
      "completion_date": "2036-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05170399"
    },
    {
      "nct_id": "NCT03313037",
      "title": "Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Adults 60 Through 64 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Multivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "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": 444,
      "start_date": "2017-10-10",
      "completion_date": "2018-12-10",
      "has_results": true,
      "last_update_posted_date": "2019-12-26",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 14,
      "location_summary": "Anaheim, California • Coral Gables, Florida • DeLand, Florida + 11 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03313037"
    },
    {
      "nct_id": "NCT01239875",
      "title": "Vaccine Therapy With or Without Cryosurgery in Treating Patients With Residual, Relapsed, or Refractory B-Cell Non-Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Adult Diffuse Mixed Cell Lymphoma",
        "Adult Diffuse Small Cleaved Cell Lymphoma",
        "Adult Grade III Lymphomatoid Granulomatosis",
        "Adult Immunoblastic Large Cell Lymphoma",
        "Adult Lymphoblastic Lymphoma",
        "Grade 1 Follicular Lymphoma",
        "Grade 2 Follicular Lymphoma",
        "Grade 3 Follicular Lymphoma",
        "Mantle Cell Lymphoma",
        "Marginal Zone Lymphoma",
        "Small Lymphocytic Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Waldenstrom Macroglobulinemia With Nodal Disease"
      ],
      "interventions": [
        {
          "name": "dendritic cell vaccine therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cryotherapy",
          "type": "PROCEDURE"
        },
        {
          "name": "pneumococcal polyvalent vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "autologous dendritic cell-tumor fusion vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 16,
      "start_date": "2010-11",
      "completion_date": "2019-07-17",
      "has_results": false,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01239875"
    },
    {
      "nct_id": "NCT04583618",
      "title": "Study of a Pneumococcal Conjugate Vaccine in Adults Aged 50 to 84 Years.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Immunization"
      ],
      "interventions": [
        {
          "name": "Pneumococcal Conjugate Vaccine - formulation 1-SP0202-IIb",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine - formulation 2-SP0202-VI",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine - formulation 3-SP0202-VII",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 13 - valent conjugate vaccine-Prevnar 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Vaccine Polyvalent-Pneumovax 23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "50 Years to 84 Years"
      },
      "enrollment_count": 750,
      "start_date": "2020-10-08",
      "completion_date": "2022-01-20",
      "has_results": true,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 17,
      "location_summary": "Anaheim, California • Rolling Hills Estates, California • Wheat Ridge, Colorado + 14 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04583618"
    },
    {
      "nct_id": "NCT03760146",
      "title": "Trial to Evaluate the Safety and Immunogenicity of a 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-naïve Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "20vPnC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "13vPnC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 3902,
      "start_date": "2018-12-12",
      "completion_date": "2019-12-16",
      "has_results": true,
      "last_update_posted_date": "2021-12-02",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 61,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 45 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03760146"
    },
    {
      "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": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03104075"
    },
    {
      "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": "2026-09-05T08:47:00.395Z",
      "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": "NCT02707692",
      "title": "Perturbing of HIV Reservoir With Immune Stimulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "AIDS",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Fluarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumovax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "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": 54,
      "start_date": "2016-08",
      "completion_date": "2022-01",
      "has_results": true,
      "last_update_posted_date": "2022-08-24",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02707692"
    },
    {
      "nct_id": "NCT00479323",
      "title": "Pneumococcal Reference Standard",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Pneumovax 23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 250,
      "start_date": "2007-06",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2016-12-26",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479323"
    },
    {
      "nct_id": "NCT04481243",
      "title": "A Study to Evaluate Pneumococcal Polysaccharide Vaccine Effectiveness in Children With Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Pneumovax 23- pneumococcal polysaccharide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 29,
      "start_date": "2021-04-30",
      "completion_date": "2023-01-20",
      "has_results": true,
      "last_update_posted_date": "2023-11-08",
      "last_synced_at": "2026-09-05T08:47:00.395Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481243"
    }
  ]
}