{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Varicella+%28Chickenpox%29&page=4",
    "query": {
      "condition": "Varicella (Chickenpox)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 136,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Varicella+%28Chickenpox%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Varicella+%28Chickenpox%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T02:19:22.516Z",
  "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": "NCT00059592",
      "title": "Valacyclovir in Immunocompromised Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Shingles",
        "Bone Marrow Transplantation"
      ],
      "interventions": [
        {
          "name": "Valacyclovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 37,
      "start_date": "1998-04-07",
      "completion_date": "2005-05-05",
      "has_results": false,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00059592"
    },
    {
      "nct_id": "NCT01331161",
      "title": "Systems Biology of Zoster Vaccine (ZOSTAVAX®) in Young and Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shingles"
      ],
      "interventions": [
        {
          "name": "ZOSTAVAX",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "25 Years to 79 Years"
      },
      "enrollment_count": 77,
      "start_date": "2011-07",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2016-02-17",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 2,
      "location_summary": "Aurora, Colorado • Atlanta, Georgia",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01331161"
    },
    {
      "nct_id": "NCT00029484",
      "title": "Tai Chi Chih and Varicella Zoster Immunity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Varicella"
      ],
      "interventions": [
        {
          "name": "Tai chi chih",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Center for Complementary and Integrative Health (NCCIH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 70,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-08-18",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00029484"
    },
    {
      "nct_id": "NCT00197015",
      "title": "Immunogenicity & Safety of Hepatitis A Vaccine Co-admin With a Measles/Mumps/Rubella & a Varicella Vaccine in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hepatitis A"
      ],
      "interventions": [
        {
          "name": "Havrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-R®II",
          "type": "BIOLOGICAL"
        },
        {
          "name": "VARIVAX®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "13 Months",
        "sex": "ALL",
        "summary": "12 Months to 13 Months"
      },
      "enrollment_count": 1474,
      "start_date": "2003-10-06",
      "completion_date": "2009-06-09",
      "has_results": true,
      "last_update_posted_date": "2018-07-31",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 42,
      "location_summary": "Cabot, Arkansas • Jonesboro, Arkansas • North Little Rock, Arkansas + 37 more",
      "locations": [
        {
          "city": "Cabot",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197015"
    },
    {
      "nct_id": "NCT02026089",
      "title": "Persistence of Varicella Immunity in Hospital Employees Receiving Varicella Vaccine",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Persistence of Varicella Immunity"
      ],
      "interventions": [
        {
          "name": "Varicella vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-12",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02026089"
    },
    {
      "nct_id": "NCT00871117",
      "title": "Immunogenicity and Safety of Kinrix + (Measles Mumps Rubella) MMR Vaccine With and Without Varicella Vaccine in Healthy Children 4-6 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tetanus",
        "Acellular Pertussis",
        "Diphtheria"
      ],
      "interventions": [
        {
          "name": "GSK Biologicals'Kinrix®",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Merck and Company's MMRII",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Merck and Company's Varivax",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 478,
      "start_date": "2009-03-31",
      "completion_date": "2010-06-15",
      "has_results": true,
      "last_update_posted_date": "2018-08-22",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 11,
      "location_summary": "Antioch, California • Daly City, California • Hayward, California + 7 more",
      "locations": [
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Daly City",
          "state": "California"
        },
        {
          "city": "Hayward",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00871117"
    },
    {
      "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": "2026-10-07T02:19:22.516Z",
      "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": "NCT07742644",
      "title": "A Study on the Immune Response and Safety of an Investigational Combined Measles, Mumps, Rubella and Varicella Vaccine, When Given to Healthy Children 4 to 6 Years of Age",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Measles",
        "Mumps",
        "Rubella",
        "Varicella (Chickenpox)",
        "Measles-Mumps-Rubella+Chickenpox Vaccine"
      ],
      "interventions": [
        {
          "name": "MMRVNS vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MMRV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "DTaP-IPV vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 1860,
      "start_date": "2026-08-11",
      "completion_date": "2028-11-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 38,
      "location_summary": "Jonesboro, Arkansas • Little Rock, Arkansas • Huntington Park, California + 32 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Park",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07742644"
    },
    {
      "nct_id": "NCT01767467",
      "title": "Study to Assess the Safety and Immunogenicity of GlaxoSmithKline (GSK) Biologicals' Herpes Zoster Subunit (HZ/su) Vaccine in Adults Aged 18 Years and Older With Blood Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes zoster vaccine (GSK 1437173A)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 568,
      "start_date": "2013-03-01",
      "completion_date": "2017-01-06",
      "has_results": true,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 8,
      "location_summary": "Inverness, Florida • Chicago, Illinois • Elkhart, Indiana + 5 more",
      "locations": [
        {
          "city": "Inverness",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Elkhart",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01767467"
    },
    {
      "nct_id": "NCT00809679",
      "title": "Analgesic Efficacy and Safety Study of T-62 in Subjects With Postherpetic Neuralgia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "T-62 Dose 1",
          "type": "DRUG"
        },
        {
          "name": "T-62 Dose 2",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2008-12",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2012-06-08",
      "last_synced_at": "2026-10-07T02:19:22.516Z",
      "location_count": 13,
      "location_summary": "Tucson, Arizona • Westlake Village, California • Bradenton, Florida + 10 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Westlake Village",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "New Port Richey",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00809679"
    }
  ]
}