{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+Vaccine+Polyvalent-Pneumovax+23",
    "query": {
      "intervention": "Pneumococcal Vaccine Polyvalent-Pneumovax 23"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 46,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+Vaccine+Polyvalent-Pneumovax+23&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T00:15:19.538Z",
  "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": "NCT00000829",
      "title": "A Double-Blind Placebo-Controlled Trial of the Safety and Immunogenicity of a Seven Valent Pneumococcal Conjugate Vaccine in Presumed HIV-Infected Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Pneumococcal Vaccine, Polyvalent (23-valent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine, Heptavalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "6 Months",
        "sex": "ALL",
        "summary": "2 Months to 6 Months"
      },
      "enrollment_count": 60,
      "start_date": null,
      "completion_date": "1999-10",
      "has_results": false,
      "last_update_posted_date": "2021-10-28",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 31,
      "location_summary": "Los Angeles, California • Oakland, California • San Diego, California + 21 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000829"
    },
    {
      "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": "2026-10-04T00:15:19.538Z",
      "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": "NCT02079701",
      "title": "Effectiveness of the Pneumococcal Polysaccharide Vaccine in Military Recruits",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pneumonia",
        "Acute Respiratory Disease"
      ],
      "interventions": [
        {
          "name": "23-valent pneumococcal vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Naval Health Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 152723,
      "start_date": "2000-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Great Lakes, Illinois • Fort Leonard Wood, Missouri + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Great Lakes",
          "state": "Illinois"
        },
        {
          "city": "Fort Leonard Wood",
          "state": "Missouri"
        },
        {
          "city": "Fort Jackson",
          "state": "South Carolina"
        },
        {
          "city": "Parris Island",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02079701"
    },
    {
      "nct_id": "NCT00013871",
      "title": "Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Hepatitis B",
        "Measles",
        "Pneumococcal Infections",
        "Pertussis"
      ],
      "interventions": [
        {
          "name": "Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles-Mumps-Rubella Vaccine (Live)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Vaccine, Polyvalent (23-valent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine, Heptavalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B Vaccine (Recombinant)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 300,
      "start_date": null,
      "completion_date": "2004-11",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013871"
    },
    {
      "nct_id": "NCT00034086",
      "title": "Study of Anti-HIV Therapy Intensification",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Lopinavir/Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Lamivudine/Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Tenofovir disoproxil fumarate",
          "type": "DRUG"
        },
        {
          "name": "Pneumococcal Vaccine, Polyvalent (23-valent)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lamivudine",
          "type": "DRUG"
        },
        {
          "name": "Stavudine",
          "type": "DRUG"
        },
        {
          "name": "Zidovudine",
          "type": "DRUG"
        },
        {
          "name": "Didanosine",
          "type": "DRUG"
        },
        {
          "name": "Lyme Disease Vaccine Recombinant OspA",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Haemophilus B Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 22,
      "start_date": null,
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2012-05-18",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Chicago, Illinois • Cleveland, Ohio",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00034086"
    },
    {
      "nct_id": "NCT00457977",
      "title": "Comparing Two Pneumococcal Vaccines in Adults With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Pneumovax (PPSV23)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar (PCV7)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 181,
      "start_date": "2007-03",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2015-05-12",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00457977"
    },
    {
      "nct_id": "NCT03039491",
      "title": "Immune Response to Pneumococcal Vaccination in Aging HIV Positive Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "HIV Lipodystrophy",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Pneumococcal polysaccharide vaccine 23 valent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "13 valent conjugated pneumococcal vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 160,
      "start_date": "2015-09-01",
      "completion_date": "2020-03-30",
      "has_results": false,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03039491"
    },
    {
      "nct_id": "NCT00829595",
      "title": "Pneumococcal Vaccination in Patients With Inflammatory Bowel Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Disease",
        "Crohn Disease",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "23-valent polysaccharide pneumococcal vaccine (Pneumovax TM)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2005-05",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2009-01-27",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00829595"
    },
    {
      "nct_id": "NCT03480802",
      "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Adults Infected With Human Immunodeficiency Virus (HIV) (V114-018)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "V114",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PNEUMOVAX™23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 302,
      "start_date": "2018-07-06",
      "completion_date": "2020-01-17",
      "has_results": true,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • West Palm Beach, Florida • Houston, Texas",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480802"
    },
    {
      "nct_id": "NCT05417165",
      "title": "Anti-pneumococcal Vaccine Strategy in Patients With Chronic Lymphocytic Leukemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Pneumococcal 20-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Polyvalent Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Seema Bhat",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2023-09-29",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-04T00:15:19.538Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05417165"
    }
  ]
}