{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zostavax",
    "query": {
      "intervention": "Zostavax"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 72,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zostavax&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T07:34:30.266Z",
  "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": "NCT02581410",
      "title": "Immunogenicity and Safety Study of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster Subunit (HZ/su) Vaccine (GSK1437173A) in Adults ≥ 65 Years of Age With and Without Zostavax® Vaccination at Least 5 Years Earlier",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals Herpes Zoster subunit (HZ/su) vaccine (GSK 1437173A)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 430,
      "start_date": "2015-12-15",
      "completion_date": "2017-08-01",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 32,
      "location_summary": "Huntsville, Alabama • Daly City, California • Los Gatos, California + 27 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Los Gatos",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02581410"
    },
    {
      "nct_id": "NCT01137669",
      "title": "ZOSTAVAX® in Renal Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Live attenuated herpes zoster vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 34,
      "start_date": "2010-09",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-09",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 3,
      "location_summary": "Iowa City, Iowa • Baltimore, Maryland • Nashville, Tennessee",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01137669"
    },
    {
      "nct_id": "NCT06605625",
      "title": "Vaccine Responses in Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Viral Vaccines"
      ],
      "interventions": [
        {
          "name": "Influenza vaccination",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SARS-CoV-2 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Zoster Vaccine Recombinant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 250,
      "start_date": "2022-11-04",
      "completion_date": "2028-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06605625"
    },
    {
      "nct_id": "NCT01483378",
      "title": "Increasing Use of the Vaccine Against Herpes Zoster/Shingles at NYULMC and Bellevue Hospital",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Choosing to receive the vaccine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2012-01",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2013-08-09",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01483378"
    },
    {
      "nct_id": "NCT03563183",
      "title": "A Study to Assess Frailty of Subjects During ZOSTER-006 and ZOSTER-022",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Encoding of data collected in Zoster 006 and Zoster 022 studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 26976,
      "start_date": "2018-06-05",
      "completion_date": "2019-04-30",
      "has_results": true,
      "last_update_posted_date": "2020-04-30",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 31,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Spring Valley, California + 26 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03563183"
    },
    {
      "nct_id": "NCT03591770",
      "title": "Shingrix Vaccine in Patients With Moderate to Severe Ulcerative Colitis on Tofacitinib",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Inflammatory Bowel Diseases"
      ],
      "interventions": [
        {
          "name": "SHINGRIX",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Boston Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2019-07-31",
      "completion_date": "2024-07-04",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03591770"
    },
    {
      "nct_id": "NCT00920218",
      "title": "Safety & Immunogenicity of GlaxoSmithKline Biologicals' Herpes Zoster Vaccine 1437173A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes Zoster Vaccine 1437173A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo vaccine (saline)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 121,
      "start_date": "2009-07-14",
      "completion_date": "2012-03-21",
      "has_results": true,
      "last_update_posted_date": "2017-12-12",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 11,
      "location_summary": "Little Rock, Arkansas • Duarte, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneota",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00920218"
    },
    {
      "nct_id": "NCT03993717",
      "title": "Solid Organ Transplant SHINGRIX",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant; Complications"
      ],
      "interventions": [
        {
          "name": "SHINGRIX",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2020-01-30",
      "completion_date": "2020-08-08",
      "has_results": false,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03993717"
    },
    {
      "nct_id": "NCT04523246",
      "title": "Training the Innate Immune System Against SARS-CoV-2 (COVID-19) Using the Shingrix Vaccine in Nursing Home Residents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Herpes Zoster",
        "Allergy and Immunology",
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "SHINGRIX (Zoster Vaccine REcombinant, Adjuvanted)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "65 Years to 100 Years"
      },
      "enrollment_count": 217,
      "start_date": "2020-09-01",
      "completion_date": "2023-05-19",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04523246"
    },
    {
      "nct_id": "NCT05775718",
      "title": "Shingrix In Recipients of Allogeneic Transplants",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bone Marrow Transplant",
        "Stem Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Zoster Vaccine Recombinant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 55,
      "start_date": "2023-10-24",
      "completion_date": "2030-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-11T07:34:30.266Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05775718"
    }
  ]
}