{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+polysaccharide+vaccination&page=2",
    "query": {
      "intervention": "Pneumococcal polysaccharide vaccination",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pneumococcal+polysaccharide+vaccination&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T02:22:06.212Z",
  "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": "NCT03802994",
      "title": "Pneumococcal Conjugate Vaccine in Aging Renal Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Renal Transplantation",
        "Aging"
      ],
      "interventions": [
        {
          "name": "23 valent pneumococcal polysaccharide vaccine",
          "type": "DRUG"
        },
        {
          "name": "13 valent conjugated pneumococcal vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Peripheral blood sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 57,
      "start_date": "2018-11-01",
      "completion_date": "2020-02-28",
      "has_results": true,
      "last_update_posted_date": "2021-04-30",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 2,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802994"
    },
    {
      "nct_id": "NCT00474526",
      "title": "A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningitis, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Meningococcal ACWY Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV-HBV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 7-valent Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HAV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMR-V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis Vaccines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "2 Months",
        "sex": "ALL",
        "summary": "2 Months to 2 Months"
      },
      "enrollment_count": 4545,
      "start_date": "2007-03",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2014-03-24",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 53,
      "location_summary": "Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more",
      "locations": [
        {
          "city": "Bessemer",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00474526"
    },
    {
      "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": "2026-09-30T02:22:06.212Z",
      "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": "NCT00706550",
      "title": "Immune Responses to Pneumococcal Vaccination Among HIV-infected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "(PV) 23-valent pneumococcal polysaccharide vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2008-10",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2014-04-24",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00706550"
    },
    {
      "nct_id": "NCT00257127",
      "title": "Immune System Function Following Vaccination in HIV Infected Children Taking Anti-HIV Drugs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Pneumococcal 7-valent conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal polysaccharide vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, mumps, and rubella virus vaccine, live",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "23 Years",
        "sex": "ALL",
        "summary": "6 Years to 23 Years"
      },
      "enrollment_count": 101,
      "start_date": "2006-02",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Alhambra, California • Long Beach, California + 17 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00257127"
    },
    {
      "nct_id": "NCT01545375",
      "title": "Evaluation of a Vaccine for Reducing Ear and Lung Infections in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Infections, Streptococcal"
      ],
      "interventions": [
        {
          "name": "Pneumococcal vaccine GSK2189242A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PedvaxHIB®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "12 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 12 Weeks"
      },
      "enrollment_count": 1806,
      "start_date": "2012-05-21",
      "completion_date": "2016-07-26",
      "has_results": true,
      "last_update_posted_date": "2019-12-27",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 5,
      "location_summary": "Chinle, Arizona • Fort Defiance, Arizona • Whiteriver, Arizona + 2 more",
      "locations": [
        {
          "city": "Chinle",
          "state": "Arizona"
        },
        {
          "city": "Fort Defiance",
          "state": "Arizona"
        },
        {
          "city": "Whiteriver",
          "state": "Arizona"
        },
        {
          "city": "Gallup",
          "state": "New Mexico"
        },
        {
          "city": "Shiprock",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545375"
    },
    {
      "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": "2026-09-30T02:22:06.212Z",
      "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": "NCT00622843",
      "title": "Pneumococcal Conjugate Vaccination in HIV in Comparison to Polysaccharide Vaccine Boosting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Streptococcus Pneumoniae"
      ],
      "interventions": [
        {
          "name": "pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "pneumococcal polysaccharide vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 275,
      "start_date": "2002-12",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 6,
      "location_summary": "San Diego, California • Washington D.C., District of Columbia • Tripler AMC, Hawaii + 3 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tripler AMC",
          "state": "Hawaii"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Lackland Air Force Base",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622843"
    },
    {
      "nct_id": "NCT03547167",
      "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Adults at Increased Risk for Pneumococcal Disease (V114-017/PNEU-DAY)",
      "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": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 1515,
      "start_date": "2018-07-16",
      "completion_date": "2020-01-20",
      "has_results": true,
      "last_update_posted_date": "2021-01-15",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 38,
      "location_summary": "Chinle, Arizona • Fort Defiance, Arizona • Glendale, Arizona + 34 more",
      "locations": [
        {
          "city": "Chinle",
          "state": "Arizona"
        },
        {
          "city": "Fort Defiance",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Whiteriver",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03547167"
    },
    {
      "nct_id": "NCT03260790",
      "title": "Pneumococcal Vaccines in Patients With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "PCV13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "19 Years to 64 Years"
      },
      "enrollment_count": 17,
      "start_date": "2017-10-01",
      "completion_date": "2020-12-25",
      "has_results": true,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-09-30T02:22:06.212Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260790"
    }
  ]
}