{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Infections%2C+Pneumococcal",
    "query": {
      "condition": "Infections, Pneumococcal"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 141,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Infections%2C+Pneumococcal&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T18:48:49.476Z",
  "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": "NCT03620162",
      "title": "A Study to Evaluate the Interchangeability of V114 and Prevnar 13™ in Healthy Infants (V114-027/PNEU-DIRECTION)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Prevnar 13™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "V114",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RotaTeq™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pentacel™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RECOMBIVAX HB™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HIBERIX™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R™ II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VARIVAX™",
          "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": 900,
      "start_date": "2018-10-18",
      "completion_date": "2020-12-14",
      "has_results": true,
      "last_update_posted_date": "2023-01-17",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Jonesboro, Arkansas + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03620162"
    },
    {
      "nct_id": "NCT03313050",
      "title": "A Trial To Evaluate A Multivalent Pneumococcal Conjugate Vaccine In Healthy Adults 50-85 Years Of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Multivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tdap",
          "type": "BIOLOGICAL"
        },
        {
          "name": "polysaccharide",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 511,
      "start_date": "2017-10-12",
      "completion_date": "2019-05-24",
      "has_results": true,
      "last_update_posted_date": "2020-06-04",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Cerritos, California • Savannah, Georgia + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Augusta",
          "state": "Kansas"
        },
        {
          "city": "Augusta",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03313050"
    },
    {
      "nct_id": "NCT00479323",
      "title": "Pneumococcal Reference Standard",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Pneumovax 23",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 250,
      "start_date": "2007-06",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2016-12-26",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479323"
    },
    {
      "nct_id": "NCT05464420",
      "title": "A Study to Evaluate the Safety, Tolerability, Immunogenicity, and Lot Consistency of V116 in Adults 18 to 49 Years of Age (V116-004, STRIDE-4)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "V116",
          "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": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 2162,
      "start_date": "2022-08-12",
      "completion_date": "2023-05-25",
      "has_results": true,
      "last_update_posted_date": "2024-09-24",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 30,
      "location_summary": "Mesa, Arizona • Tempe, Arizona • Little Rock, Arkansas + 27 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05464420"
    },
    {
      "nct_id": "NCT03034642",
      "title": "Modulation of Steroid Immunosuppression by Alveolar Efferocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Pneumonia, Bacterial"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with bilateral bronchoalveolar lavages",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Ann Arbor Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-10-01",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-03",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034642"
    },
    {
      "nct_id": "NCT02853617",
      "title": "A Study of AV0328 Administered to Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "PNAG-expressing Pathogenic Microbes Vaccine"
      ],
      "interventions": [
        {
          "name": "AV0328 - Cohort 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AV0328 - Cohort 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AV0328 - Cohort 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AV0328 - Cohort 4",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Alopexx Vaccine, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2017-03-22",
      "completion_date": "2018-04-23",
      "has_results": false,
      "last_update_posted_date": "2019-03-19",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 1,
      "location_summary": "Neptune City, New Jersey",
      "locations": [
        {
          "city": "Neptune City",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02853617"
    },
    {
      "nct_id": "NCT02955160",
      "title": "A Phase 1, Randomized, Controlled, Observer-blinded Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Healthy Adults Aged 18 to 49 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Multivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tdap",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "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": 66,
      "start_date": "2016-11-03",
      "completion_date": "2017-08-01",
      "has_results": false,
      "last_update_posted_date": "2018-09-11",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02955160"
    },
    {
      "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": "2026-07-22T18:48:49.476Z",
      "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": "NCT00422292",
      "title": "Immunogenicity and Safety of Pediatric Vaccines When Administered With Menactra® in Healthy Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Meningococcal Meningitis",
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Meningococcal Polysaccharide Diphtheria Conjugate Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, Mumps, Rubella and Varicella",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "9 Months to 12 Months"
      },
      "enrollment_count": 1664,
      "start_date": "2006-12",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-04-14",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 87,
      "location_summary": "Tuscaloosa, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 74 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Atascadero",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00422292"
    },
    {
      "nct_id": "NCT05831124",
      "title": "A Study to Learn About a Type of Pneumococcal Vaccine With a New Ingredient (PF-07872411) Intended to Enhance the Effects of the Vaccine Which is Given to Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pneumococcal Disease"
      ],
      "interventions": [
        {
          "name": "Low dose multivalent pneumococcal conjugate vaccine formulation A",
          "type": "OTHER"
        },
        {
          "name": "Low dose multivalent pneumococcal conjugate vaccine formulation B",
          "type": "OTHER"
        },
        {
          "name": "Low dose of multivalent pneumococcal conjugate vaccine control",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard dose multivalent pneumococcal conjugate vaccine control",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "50 Years to 64 Years"
      },
      "enrollment_count": 90,
      "start_date": "2023-04-19",
      "completion_date": "2024-06-26",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-07-22T18:48:49.476Z",
      "location_count": 9,
      "location_summary": "Hialeah, Florida • Hollywood, Florida • Columbia, Maryland + 4 more",
      "locations": [
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Elkridge",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05831124"
    }
  ]
}