{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varicella+Zoster+Virus+Vaccine+%28Zostavax%29&page=2",
    "query": {
      "intervention": "Varicella Zoster Virus Vaccine (Zostavax)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 30,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varicella+Zoster+Virus+Vaccine+%28Zostavax%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varicella+Zoster+Virus+Vaccine+%28Zostavax%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T12:10:29.292Z",
  "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": "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": "2026-10-11T12:10:29.292Z",
      "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": "NCT01049035",
      "title": "A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Meningitis",
        "Meningococcal Infection"
      ],
      "interventions": [
        {
          "name": "Quadrivalent Meningococcal Polysaccharide (A, C, Y, and W-135) Tetanus Protein Conjugate",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus B Conjugate (Tetanus Toxoid Conjugate) Vaccine Combined (DTaP-IPV/Hib combined)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "M-M-RII-Measles, Mumps, and Rubella Virus Vaccine Live",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella Virus Vaccine Live",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 13-valent Conjugate Vaccine (Diphtheria CRM197 Protein)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "365 Days",
        "sex": "ALL",
        "summary": "42 Days to 365 Days"
      },
      "enrollment_count": 580,
      "start_date": "2009-12-16",
      "completion_date": "2012-02-13",
      "has_results": true,
      "last_update_posted_date": "2022-03-28",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Jonesboro, Arkansas + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049035"
    },
    {
      "nct_id": "NCT05550194",
      "title": "VZV in the Enteric Nervous System: Pathogenesis and Consequences",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Achalasia"
      ],
      "interventions": [
        {
          "name": "ValACYclovir 1000 MG",
          "type": "DRUG"
        },
        {
          "name": "Shingrix",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-03-27",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05550194"
    },
    {
      "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": "2026-10-11T12:10:29.292Z",
      "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": "NCT01165203",
      "title": "Study to Evaluate GSK Biologicals' Herpes Zoster Vaccine GSK1437173A in Human Immunodeficiency Virus (HIV)-Infected Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes Zoster Vaccine GSK1437173A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": 123,
      "start_date": "2010-09-30",
      "completion_date": "2013-05-14",
      "has_results": true,
      "last_update_posted_date": "2018-04-30",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 5,
      "location_summary": "Long Beach, California • San Francisco, California • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Santa Fe",
          "state": "New Mexico"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01165203"
    },
    {
      "nct_id": "NCT00802464",
      "title": "Immunogenicity and Safety Study of GSK Biologicals' Herpes Zoster Vaccine With Various Formulations in Adults >= 50 Years",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Herpes zoster vaccine GSK1437173A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "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": 410,
      "start_date": "2009-01-12",
      "completion_date": "2010-07-02",
      "has_results": true,
      "last_update_posted_date": "2019-06-26",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Pembroke Pines, Florida • Las Vegas, Nevada + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Edison",
          "state": "New Jersey"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00802464"
    },
    {
      "nct_id": "NCT04398706",
      "title": "Study of a Pneumococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Toddlers and Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pneumococcal Immunisation",
        "Diphtheria Immunisation",
        "Tetanus Immunisation",
        "Pertussis Immunisation",
        "Hepatitis B Immunisation",
        "Haemophilus Influenzae Type b Immunisation",
        "Polio Immunisation",
        "Measles Immunisation",
        "Rubella Immunisation",
        "Varicella Immunisation",
        "Mumps Immunisation"
      ],
      "interventions": [
        {
          "name": "Pneumococcal Conjugate Vaccine formulation 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine formulation 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal Conjugate Vaccine formulation 3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella Virus Vaccine Live",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, Mumps, and Rubella Virus Vaccine Live",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate (Tetanus Toxoid Conjugate)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus Vaccine, Live, Oral, Pentavalent",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B Vaccine* [Recombinant] *as applicable",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "42 Days",
        "maximum_age": "15 Months",
        "sex": "ALL",
        "summary": "42 Days to 15 Months"
      },
      "enrollment_count": 852,
      "start_date": "2020-05-22",
      "completion_date": "2023-08-10",
      "has_results": true,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 49,
      "location_summary": "Jonesboro, Arkansas • Bellflower, California • Huntington Park, California + 41 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Bellflower",
          "state": "California"
        },
        {
          "city": "Huntington Park",
          "state": "California"
        },
        {
          "city": "Huntington Park",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04398706"
    },
    {
      "nct_id": "NCT06397768",
      "title": "Co-administration Study of an Investigational Live-Attenuated Respiratory Syncytial Virus Vaccine in Infants and Toddlers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "RSV Immunization"
      ],
      "interventions": [
        {
          "name": "RSVt vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria, tetanus, pertussis, poliomyelitis , Haemophilus influenzae type b, and hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Diphtheria, tetanus, pertussis, Haemophilus influenzae type b and poliomyelitis vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Hepatitis B vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Streptococcus pneumoniae vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rotavirus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Measles, mumps, and rubella vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Varicella virus vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sanofi Pasteur, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "6 Months to 12 Months"
      },
      "enrollment_count": 2226,
      "start_date": "2024-05-13",
      "completion_date": "2025-09-18",
      "has_results": false,
      "last_update_posted_date": "2026-10-05",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Grand Bay, Alabama • Mobile, Alabama + 55 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Grand Bay",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06397768"
    },
    {
      "nct_id": "NCT05966090",
      "title": "A Study on Safety and Immune Response of Investigational RSV OA Vaccine in Combination With Herpes Zoster Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Viruses",
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSVPreF3 OA investigational vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "HZ/su vaccine",
          "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": 530,
      "start_date": "2023-07-28",
      "completion_date": "2024-07-29",
      "has_results": true,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 11,
      "location_summary": "Daphne, Alabama • Tempe, Arizona • Corte Madera, California + 8 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Corte Madera",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "North Miami Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05966090"
    },
    {
      "nct_id": "NCT00851786",
      "title": "Live Zoster Vaccine in HIV-Infected Adults on Antiretroviral Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Herpes Zoster",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "ZOSTAVAX",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 395,
      "start_date": "2009-04-29",
      "completion_date": "2012-01-03",
      "has_results": true,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-10-11T12:10:29.292Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851786"
    }
  ]
}