{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=5",
    "query": {
      "condition": "Pneumococcal Vaccines",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 177,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pneumococcal+Vaccines&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T15:32:36.100Z",
  "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": "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": "2026-10-23T15:32:36.100Z",
      "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": "NCT05696080",
      "title": "Safety and Immunogenicity of V116 in Adults With Increased Risk for Pneumococcal Disease (V116-008)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infection"
      ],
      "interventions": [
        {
          "name": "V116",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PCV15",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "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": 518,
      "start_date": "2023-02-13",
      "completion_date": "2024-02-16",
      "has_results": true,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 8,
      "location_summary": "Mesa, Arizona • Hialeah, Florida • West Palm Beach, Florida + 5 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Ridgeland",
          "state": "Mississippi"
        },
        {
          "city": "New Windsor",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05696080"
    },
    {
      "nct_id": "NCT01199016",
      "title": "Effect of Prevnar 13 on Ear Infections in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Otitis Media"
      ],
      "interventions": [
        {
          "name": "Tympanocentesis",
          "type": "PROCEDURE"
        },
        {
          "name": "Nose/throat swab",
          "type": "PROCEDURE"
        },
        {
          "name": "Observational",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "30 Months",
        "sex": "ALL",
        "summary": "6 Months to 30 Months"
      },
      "enrollment_count": 239,
      "start_date": "2010-09",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2017-03-01",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 7,
      "location_summary": "Penfield, New York • Rochester, New York",
      "locations": [
        {
          "city": "Penfield",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199016"
    },
    {
      "nct_id": "NCT01537185",
      "title": "Phase I Safety Trial of Streptococcus Pneumoniae Whole Cell Vaccine (SPWCV) + Alum in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "SPWCV+Alum 100 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SPWCV+Alum 600 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SPWCV+Alum 300 mcg",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "PATH Vaccine Solutions",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 42,
      "start_date": "2012-02",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2014-06-05",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01537185"
    },
    {
      "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": "2026-10-23T15:32:36.100Z",
      "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": "NCT05526716",
      "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 When Administered Concomitantly With Influenza Vaccine in Adults 50 Years of Age or Older (V116-005, STRIDE-5)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia, Pneumococcal"
      ],
      "interventions": [
        {
          "name": "V116",
          "type": "BIOLOGICAL"
        },
        {
          "name": "QIV",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matching Placebo for V116",
          "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": 1080,
      "start_date": "2022-09-23",
      "completion_date": "2023-06-21",
      "has_results": true,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 56,
      "location_summary": "Phoenix, Arizona • Canoga Park, California • La Mesa, California + 46 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Montclair",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05526716"
    },
    {
      "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": "2026-10-23T15:32:36.100Z",
      "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"
    },
    {
      "nct_id": "NCT00334607",
      "title": "Study of 2 Doses of HRV Vaccine Given Concomitantly or Separately With Routine Vaccinations in Healthy Infants in USA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infections, Rotavirus"
      ],
      "interventions": [
        {
          "name": "2-dose oral live attenuated G1P[8] human rotavirus vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Weeks",
        "maximum_age": "16 Weeks",
        "sex": "ALL",
        "summary": "6 Weeks to 16 Weeks"
      },
      "enrollment_count": 484,
      "start_date": "2006-06",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2016-11-04",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 42,
      "location_summary": "Benton, Arkansas • Cabot, Arkansas • Jonesboro, Arkansas + 37 more",
      "locations": [
        {
          "city": "Benton",
          "state": "Arkansas"
        },
        {
          "city": "Cabot",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334607"
    },
    {
      "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": "2026-10-23T15:32:36.100Z",
      "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": "NCT06720038",
      "title": "A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 in Healthy Infants",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Vaccines"
      ],
      "interventions": [
        {
          "name": "0.5 mL of the low dose VAX-31",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.5 mL of the mid dose VAX-31",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.5 mL of the high dose VAX-31",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.5 mL dose of PCV20",
          "type": "BIOLOGICAL"
        },
        {
          "name": "0.5 mL of the High-PFS dose VAX-31",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Vaxcyte, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "89 Days",
        "sex": "ALL",
        "summary": "42 Days to 89 Days"
      },
      "enrollment_count": 900,
      "start_date": "2024-11-25",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-23T15:32:36.100Z",
      "location_count": 45,
      "location_summary": "Jonesboro, Arkansas • Gardena, California • Los Angeles, California + 32 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Gardena",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Ontario",
          "state": "California"
        },
        {
          "city": "West Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06720038"
    }
  ]
}