{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=13+valent+pneumococcal+conjugate+vaccine",
    "query": {
      "intervention": "13 valent pneumococcal conjugate vaccine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 93,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=13+valent+pneumococcal+conjugate+vaccine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T11:28:46.497Z",
  "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": "NCT03056924",
      "title": "Immunogenicity of Influenza, Pneumococcal and Hepatitis B Vaccines in IBD Patients Treated With Vedolizumab",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "Pneumococcal Pneumonia vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 173,
      "start_date": "2017-07-05",
      "completion_date": "2019-01-15",
      "has_results": false,
      "last_update_posted_date": "2019-12-30",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03056924"
    },
    {
      "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": "2026-10-06T11:28:46.497Z",
      "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": "NCT03893448",
      "title": "Safety, Tolerability, and Immunogenicity of V114 in Healthy Infants (V114-029)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections",
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "V114",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentacel™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RECOMBIVAX HB™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VAQTA™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMR II™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VARIVAX™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HIBERIX™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "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": 1720,
      "start_date": "2019-06-19",
      "completion_date": "2021-05-24",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Opp, Alabama + 58 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Opp",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03893448"
    },
    {
      "nct_id": "NCT01852591",
      "title": "Exploration of Immune Response to Early PCV13 Vaccination in Conjunction With Autologous Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "PCV 13",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2013-02",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-02-02",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01852591"
    },
    {
      "nct_id": "NCT03950622",
      "title": "Safety and Immunogenicity of V114 in Healthy Adults (V114-019/PNEU-AGE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "V114",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "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": 1205,
      "start_date": "2019-06-13",
      "completion_date": "2020-03-30",
      "has_results": true,
      "last_update_posted_date": "2021-04-26",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 14,
      "location_summary": "Mesa, Arizona • San Diego, California • Hialeah, Florida + 10 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03950622"
    },
    {
      "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": "2026-10-06T11:28:46.497Z",
      "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": "NCT05489328",
      "title": "Safety and Immunogenicity of Pneumococcal Conjugate Formulations in Healthy Adults 18 Through 49 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "Candidate-1",
          "type": "OTHER"
        },
        {
          "name": "Candidate-2",
          "type": "OTHER"
        },
        {
          "name": "Candidate-3",
          "type": "OTHER"
        },
        {
          "name": "Candidate-4",
          "type": "OTHER"
        },
        {
          "name": "Candidate-5",
          "type": "OTHER"
        },
        {
          "name": "Candidate-6",
          "type": "OTHER"
        },
        {
          "name": "Candidate Control",
          "type": "OTHER"
        },
        {
          "name": "13vPnC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PCV15",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "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": 394,
      "start_date": "2022-08-15",
      "completion_date": "2022-10-07",
      "has_results": true,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 18,
      "location_summary": "Tustin, California • Walnut Creek, California • Milford, Connecticut + 12 more",
      "locations": [
        {
          "city": "Tustin",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Milford",
          "state": "Connecticut"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05489328"
    },
    {
      "nct_id": "NCT01272999",
      "title": "Impact of Prevnar 13 on Ear Infections in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Otitis Media",
        "Mastoiditis"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": 391,
      "start_date": "2010-05-21",
      "completion_date": "2013-12-19",
      "has_results": true,
      "last_update_posted_date": "2023-05-23",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 8,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • San Diego, California + 5 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01272999"
    },
    {
      "nct_id": "NCT01681992",
      "title": "Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Combined Measles-mumps-rubella (MMR) Vaccine in Children in Their Second Year of Life",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Measles",
        "Mumps",
        "Rubella",
        "Measles-Mumps-Rubella Vaccine"
      ],
      "interventions": [
        {
          "name": "Priorix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Havrix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "15 Months",
        "sex": "ALL",
        "summary": "12 Months to 15 Months"
      },
      "enrollment_count": 4538,
      "start_date": "2012-10-10",
      "completion_date": "2015-08-18",
      "has_results": true,
      "last_update_posted_date": "2021-01-07",
      "last_synced_at": "2026-10-06T11:28:46.497Z",
      "location_count": 40,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01681992"
    },
    {
      "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": "2026-10-06T11:28:46.497Z",
      "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"
    }
  ]
}