{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=13-valent+Pneumococcal+Vaccine",
    "query": {
      "condition": "13-valent Pneumococcal Vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=13-valent+Pneumococcal+Vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T17:29:19.108Z",
  "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": "NCT03530124",
      "title": "Apnea in Hospitalized Preterm Infants Following the Administration of Routine Childhood Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Apnea",
        "Apnea Neonatal",
        "Prematurity"
      ],
      "interventions": [
        {
          "name": "PCV13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HBV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "IPV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hib",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Weeks and older"
      },
      "enrollment_count": 223,
      "start_date": "2018-07-17",
      "completion_date": "2021-11-01",
      "has_results": true,
      "last_update_posted_date": "2024-02-14",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia • Chapel Hill, North Carolina • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03530124"
    },
    {
      "nct_id": "NCT01025336",
      "title": "Study Evaluating Persistence Of Antibody Response Elicited By 13vPnC In Healthy Adults Previously Vaccinated",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 962,
      "start_date": "2009-12",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-06-20",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 29,
      "location_summary": "Chandler, Arizona • Phoenix, Arizona • Denver, Colorado + 25 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Pinellas Park",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01025336"
    },
    {
      "nct_id": "NCT00918580",
      "title": "Study Evaluating 13-valent Pneumococcal Conjugate Vaccine (13vPnC) in Children With Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Conjugate Vaccine"
      ],
      "interventions": [
        {
          "name": "13-valent Pneumoccocal Conjugate Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 158,
      "start_date": "2009-11",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Louisville, Kentucky • The Bronx, New York + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00918580"
    },
    {
      "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": "2026-07-22T17:29:19.108Z",
      "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": "NCT00205803",
      "title": "Study Evaluating Pneumococcal Vaccine in Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy Subjects",
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "13-Valent Pneumococcal Conjugate Vaccine (13vPnC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "7-Valent Pneumococcal Conjugate Vaccine (7vPnC)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "98 Days",
        "sex": "ALL",
        "summary": "42 Days to 98 Days"
      },
      "enrollment_count": 249,
      "start_date": "2004-09",
      "completion_date": "2007-05",
      "has_results": true,
      "last_update_posted_date": "2012-08-15",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00205803"
    },
    {
      "nct_id": "NCT00963235",
      "title": "Safety & Immunogenicity of 13vPnC in HIV-Infected Subjects Aged 18 or Older Who Were Previously Immunized With 23vPS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infections",
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "13-valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "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": 331,
      "start_date": "2009-11",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2013-06-10",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963235"
    },
    {
      "nct_id": "NCT00761631",
      "title": "Study Evaluating 13-valent Pneumococcal Conjugate Vaccine (13vPnC) in Healthy Children Aged 15 Months to 17 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "13 valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Months",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "15 Months to 18 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2008-11-18",
      "completion_date": "2010-08-10",
      "has_results": true,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 36,
      "location_summary": "Benton, Arkansas • Fayetteville, Arkansas • Jonesboro, Arkansas + 29 more",
      "locations": [
        {
          "city": "Benton",
          "state": "Arkansas"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00761631"
    },
    {
      "nct_id": "NCT00427895",
      "title": "Study Comparing a 13-valent Pneumococcal Conjugate Vaccine With 23-valent Pneumococcal Polysaccharide Vaccine in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "13-valent pneumococcal conjugate vaccine (13vPnC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "23-valent Pneumococcal Polysaccharide Vaccine (23vPS)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "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": 2141,
      "start_date": "2007-02-27",
      "completion_date": "2011-08-01",
      "has_results": true,
      "last_update_posted_date": "2021-11-15",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 19 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00427895"
    },
    {
      "nct_id": "NCT01128426",
      "title": "Postlicensure Observational Safety Study of 13vPnC Administered to Infants and Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "3 Years",
        "sex": "ALL",
        "summary": "2 Months to 3 Years"
      },
      "enrollment_count": 53902,
      "start_date": "2010-06",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-07-14",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128426"
    },
    {
      "nct_id": "NCT01654263",
      "title": "A Phase IIb, Open-Label, Dose Ranging Study of 13-Valent Pneumococcal Conjugate Vaccine in Adults 55 Through 74 Years of Age Previously Vaccinated With 23-Valent Pneumococcal Polysaccharide Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Infection"
      ],
      "interventions": [
        {
          "name": "Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "55 Years to 74 Years"
      },
      "enrollment_count": 884,
      "start_date": "2012-10-10",
      "completion_date": "2015-08-21",
      "has_results": true,
      "last_update_posted_date": "2017-03-27",
      "last_synced_at": "2026-07-22T17:29:19.108Z",
      "location_count": 7,
      "location_summary": "Decatur, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01654263"
    }
  ]
}