{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Prevnar13",
    "query": {
      "intervention": "Placebo Prevnar13"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T11:22:55.036Z",
  "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": "NCT03313037",
      "title": "Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Adults 60 Through 64 Years of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Infections"
      ],
      "interventions": [
        {
          "name": "Multivalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PPSV23",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "60 Years to 64 Years"
      },
      "enrollment_count": 444,
      "start_date": "2017-10-10",
      "completion_date": "2018-12-10",
      "has_results": true,
      "last_update_posted_date": "2019-12-26",
      "last_synced_at": "2026-09-07T11:22:55.036Z",
      "location_count": 14,
      "location_summary": "Anaheim, California • Coral Gables, Florida • DeLand, Florida + 11 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03313037"
    },
    {
      "nct_id": "NCT03621670",
      "title": "Safety and Immunogenicity of GSK Meningococcal Group B Vaccine and 13-valent Pneumococcal Vaccine Administered Concomitantly With Routine Infant Vaccines to Healthy Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infections, Meningococcal"
      ],
      "interventions": [
        {
          "name": "Bexsero (GSK Biologicals' Meningococcal group-B vaccine/ rMenB+OMV NZ)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pediarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hiberix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varivax",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo (saline water)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 20",
          "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": 1196,
      "start_date": "2018-07-27",
      "completion_date": "2024-12-27",
      "has_results": true,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-07T11:22:55.036Z",
      "location_count": 56,
      "location_summary": "Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 47 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03621670"
    },
    {
      "nct_id": "NCT03376477",
      "title": "Allogeneic Myeloma GM-CSF Vaccine With Lenalidomide in Multiple Myeloma Patients in Complete or Near Complete Remission",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "GM-CSF vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Prevnar13",
          "type": "DRUG"
        },
        {
          "name": "Placebo Prevnar13",
          "type": "OTHER"
        },
        {
          "name": "Placebo GM-CSF Vaccine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2019-09-23",
      "completion_date": "2025-05-30",
      "has_results": true,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-09-07T11:22:55.036Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03376477"
    },
    {
      "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": "2026-09-07T11:22:55.036Z",
      "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": "NCT03819049",
      "title": "A Study of Three Different Doses of VAC52416 (ExPEC10V) in Adults Aged 60 to 85 Years in Stable Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Extraintestinal Pathogenic Escherichia Coli Prevention"
      ],
      "interventions": [
        {
          "name": "ExPEC10V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ExPEC4V",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prevnar 13",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 836,
      "start_date": "2019-06-06",
      "completion_date": "2024-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-07T11:22:55.036Z",
      "location_count": 12,
      "location_summary": "Huntsville, Alabama • Melbourne, Florida • Miami, Florida + 9 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03819049"
    }
  ]
}