{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zostavax&page=2",
    "query": {
      "intervention": "Zostavax",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zostavax&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T22:35:37.948Z",
  "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": "NCT06224270",
      "title": "Study of Response to Zoster Vaccine in Adults with Inflammatory Bowel Disease Treated with Medications",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Inflammatory Bowel Diseases",
        "IBD"
      ],
      "interventions": [
        {
          "name": "Adjuvanted Recombinant Zoster Vaccine (RZV)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "19 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-10",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 6,
      "location_summary": "Jacksonville, Florida • Baltimore, Maryland • New York, New York + 3 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06224270"
    },
    {
      "nct_id": "NCT03604406",
      "title": "The Immunogenicity and Safety of Zostavax® and Shingrix® in Rheumatoid Arthritis Patients Using Abatacept",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster",
        "Inflammatory Disease",
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Varicella Zoster Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Kevin Winthrop",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2014-05-08",
      "completion_date": "2026-01-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 5,
      "location_summary": "Boise, Idaho • Eagan, Minnesota • Clovis, New Mexico + 2 more",
      "locations": [
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Eagan",
          "state": "Minnesota"
        },
        {
          "city": "Clovis",
          "state": "New Mexico"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Hixson",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604406"
    },
    {
      "nct_id": "NCT02147587",
      "title": "A Study to Assess Immune Response Following Zoster Vaccination to Subjects With Rheumatoid Arthritis Receiving Tofacitinib or Placebo With Background Methotrexate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "Tofacitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2014-06",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2018-04-11",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 36,
      "location_summary": "Jonesboro, Arkansas • Los Angeles, California • Santa Maria, California + 26 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02147587"
    },
    {
      "nct_id": "NCT04128189",
      "title": "Shingrix in Renal Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Transplant Recipient Response to Shingrix Vaccine",
        "Kidney Failure",
        "Kidney Failure, Chronic",
        "Kidney Transplantation",
        "Herpes Zoster (HZ)"
      ],
      "interventions": [
        {
          "name": "Shingrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 132,
      "start_date": "2023-03-02",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04128189"
    },
    {
      "nct_id": "NCT01506661",
      "title": "Safety of Zostavax Vaccination in Rheumatoid Arthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rheumatoid Arthritis",
        "Varicella Zoster"
      ],
      "interventions": [
        {
          "name": "Zostavax (varicella zoster virus) vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oklahoma Medical Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2012-01",
      "completion_date": "2018-10",
      "has_results": false,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01506661"
    },
    {
      "nct_id": "NCT01288014",
      "title": "Cytokine Production and Immunity to Varicella Zoster Virus (VZV) in Elderly Recipients of Zoster Vaccine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Immunity; Defect Due to Antibody or Cell Mediated Immune Defect"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 26,
      "start_date": "2011-01",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288014"
    },
    {
      "nct_id": "NCT01954251",
      "title": "Study to Evaluate the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster Vaccine GSK1437173A When Co-administered With GSK Biologicals' Seasonal Influenza Vaccine GSK2321138A in Adults Aged 50 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes Zoster vaccine GSK 1437173A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GSK Biologicals' quadrivalent seasonal influenza vaccine FLU-D-QIV GSK2321138A",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 829,
      "start_date": "2013-10-03",
      "completion_date": "2015-03-20",
      "has_results": true,
      "last_update_posted_date": "2018-05-02",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Carnegie, Pennsylvania • Erie, Pennsylvania",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carnegie",
          "state": "Pennsylvania"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01954251"
    },
    {
      "nct_id": "NCT01911065",
      "title": "T Cell Responses to Varicella Zoster Virus (VZV) Vaccine SLVP020",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Zostavax™",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2010-09",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2023-12-18",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01911065"
    },
    {
      "nct_id": "NCT01953900",
      "title": "iC9-GD2-CAR-VZV-CTLs/Refractory or Metastatic GD2-positive Sarcoma and Neuroblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Osteosarcoma",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "GD2 T cells",
          "type": "GENETIC"
        },
        {
          "name": "VZV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 26,
      "start_date": "2014-04",
      "completion_date": "2034-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953900"
    },
    {
      "nct_id": "NCT01751165",
      "title": "Safety and Immunogenicity of Different Dosing Schedules of GlaxoSmithkline (GSK) Biologicals' Herpes Zoster (HZ) Vaccine in Adults 50 Years of Age or Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes zoster vaccine GSK1437173A",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 354,
      "start_date": "2013-03-12",
      "completion_date": "2015-04-08",
      "has_results": true,
      "last_update_posted_date": "2018-10-18",
      "last_synced_at": "2026-09-25T22:35:37.948Z",
      "location_count": 3,
      "location_summary": "Spring Valley, California • Wichita, Kansas • Uniontown, Pennsylvania",
      "locations": [
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Uniontown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01751165"
    }
  ]
}