{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ependymoma%2C+Recurrent&page=2",
    "query": {
      "condition": "Ependymoma, Recurrent",
      "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?condition=Ependymoma%2C+Recurrent&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:32:17.617Z",
  "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": "NCT01076530",
      "title": "Vorinostat and Temozolomide in Treating Young Patients With Relapsed or Refractory Primary Brain Tumors or Spinal Cord Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Childhood Atypical Teratoid/Rhabdoid Tumor",
        "Childhood Central Nervous System Choriocarcinoma",
        "Childhood Central Nervous System Embryonal Tumor",
        "Childhood Central Nervous System Germinoma",
        "Childhood Central Nervous System Mixed Germ Cell Tumor",
        "Childhood Central Nervous System Teratoma",
        "Childhood Central Nervous System Yolk Sac Tumor",
        "Childhood Choroid Plexus Tumor",
        "Childhood Craniopharyngioma",
        "Childhood Ependymoblastoma",
        "Childhood Grade I Meningioma",
        "Childhood Grade II Meningioma",
        "Childhood Grade III Meningioma",
        "Childhood High-grade Cerebellar Astrocytoma",
        "Childhood High-grade Cerebral Astrocytoma",
        "Childhood Infratentorial Ependymoma",
        "Childhood Low-grade Cerebellar Astrocytoma",
        "Childhood Low-grade Cerebral Astrocytoma",
        "Childhood Medulloepithelioma",
        "Childhood Mixed Glioma",
        "Childhood Oligodendroglioma",
        "Childhood Supratentorial Ependymoma",
        "Extra-adrenal Paraganglioma",
        "Recurrent Childhood Brain Stem Glioma",
        "Recurrent Childhood Central Nervous System Embryonal Tumor",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Pineoblastoma",
        "Recurrent Childhood Spinal Cord Neoplasm",
        "Recurrent Childhood Subependymal Giant Cell Astrocytoma",
        "Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor",
        "Recurrent Childhood Visual Pathway and Hypothalamic Glioma"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        },
        {
          "name": "temozolomide",
          "type": "DRUG"
        },
        {
          "name": "diagnostic laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 27,
      "start_date": "2010-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-03",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 7,
      "location_summary": "Chicago, Illinois • Ann Arbor, Michigan • Minneapolis, Minnesota + 4 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01076530"
    },
    {
      "nct_id": "NCT00025675",
      "title": "Gefitinib in Treating Patients With Recurrent or Progressive CNS Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 105,
      "start_date": "2001-10-09",
      "completion_date": "2010-01-02",
      "has_results": false,
      "last_update_posted_date": "2018-06-26",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 12,
      "location_summary": "Los Angeles, California • San Francisco, California • Bethesda, Maryland + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00025675"
    },
    {
      "nct_id": "NCT00544284",
      "title": "Bortezomib and Temozolomide in Treating Patients With Brain Tumors or Other Solid Tumors That Have Not Responded to Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Lymphoma",
        "Metastatic Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        },
        {
          "name": "temozolomide",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "City of Hope 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": 25,
      "start_date": "2005-01",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-15",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Pasadena, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00544284"
    },
    {
      "nct_id": "NCT07031765",
      "title": "Peds CHAMP1ON - Hematopoietic Stem Cell And Monoclonal Antibody PD-1 Blockade for RecurreNt Pediatric High-Grade Glioma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent High-grade Glioma",
        "Grade III Astrocytoma",
        "Oligodendroglioma",
        "Oligoastrocytoma",
        "Ependymoma",
        "Grade IV Astrocytoma"
      ],
      "interventions": [
        {
          "name": "exHSC",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Resection or biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "4 Years to 26 Years"
      },
      "enrollment_count": 12,
      "start_date": "2025-07-25",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07031765"
    },
    {
      "nct_id": "NCT01009307",
      "title": "Study of Blood and Cheek Cell Samples From Patients With Glioma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 1709,
      "start_date": "2001-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2019-07-22",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01009307"
    },
    {
      "nct_id": "NCT00994071",
      "title": "A Phase I Study of ABT-888, an Oral Inhibitor of Poly(ADP-ribose) Polymerase and Temozolomide in Children With Recurrent/Refractory CNS Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Medulloblastoma",
        "Pontine Glioma",
        "Ependymoma",
        "Astrocytoma",
        "PNET"
      ],
      "interventions": [
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "ABT-888",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 9,
      "start_date": "2009-09-22",
      "completion_date": "2013-03-19",
      "has_results": false,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00994071"
    },
    {
      "nct_id": "NCT06639607",
      "title": "PEP-CMV + Nivolumab for Newly Diagnosed Diffuse Midline Glioma/High-grade Glioma and Recurrent Diffuse Midline Glioma/High-grade Glioma, Medulloblastoma, and Ependymoma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Midline Glioma",
        "Diffuse Midline High-grade Glioma",
        "Medulloblastoma",
        "Ependymoma"
      ],
      "interventions": [
        {
          "name": "PEP-CMV vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tetanus booster",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "4 Years to 25 Years"
      },
      "enrollment_count": 68,
      "start_date": "2026-04-30",
      "completion_date": "2043-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Durham, North Carolina • Houston, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06639607"
    },
    {
      "nct_id": "NCT02194452",
      "title": "Efficacy of 68Ga-DOTATOC Positron Emission Tomography (PET) CT in Children and Young Adults With Brain Tumors",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acoustic Schwannoma",
        "Adult Anaplastic Astrocytoma",
        "Adult Anaplastic Ependymoma",
        "Adult Anaplastic Meningioma",
        "Adult Anaplastic Oligodendroglioma",
        "Adult Brain Stem Glioma",
        "Adult Choroid Plexus Tumor",
        "Adult Craniopharyngioma",
        "Adult Diffuse Astrocytoma",
        "Adult Ependymoblastoma",
        "Adult Ependymoma",
        "Adult Giant Cell Glioblastoma",
        "Adult Glioblastoma",
        "Adult Gliosarcoma",
        "Adult Grade I Meningioma",
        "Adult Grade II Meningioma",
        "Adult Medulloblastoma",
        "Adult Meningeal Hemangiopericytoma",
        "Adult Mixed Glioma",
        "Adult Myxopapillary Ependymoma",
        "Adult Oligodendroglioma",
        "Adult Papillary Meningioma",
        "Adult Pilocytic Astrocytoma",
        "Adult Pineal Gland Astrocytoma",
        "Adult Pineoblastoma",
        "Adult Pineocytoma",
        "Adult Subependymal Giant Cell Astrocytoma",
        "Adult Subependymoma",
        "Adult Supratentorial Primitive Neuroectodermal Tumor (PNET)",
        "Childhood Choroid Plexus Tumor",
        "Childhood Craniopharyngioma",
        "Childhood Ependymoblastoma",
        "Childhood Grade I Meningioma",
        "Childhood Grade II Meningioma",
        "Childhood Grade III Meningioma",
        "Childhood High-grade Cerebellar Astrocytoma",
        "Childhood High-grade Cerebral Astrocytoma",
        "Childhood Infratentorial Ependymoma",
        "Childhood Low-grade Cerebellar Astrocytoma",
        "Childhood Low-grade Cerebral Astrocytoma",
        "Childhood Medulloepithelioma",
        "Childhood Supratentorial Ependymoma",
        "Meningeal Melanocytoma",
        "Newly Diagnosed Childhood Ependymoma",
        "Recurrent Adult Brain Tumor",
        "Recurrent Childhood Anaplastic Astrocytoma",
        "Recurrent Childhood Anaplastic Oligoastrocytoma",
        "Recurrent Childhood Anaplastic Oligodendroglioma",
        "Recurrent Childhood Brain Stem Glioma",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Diffuse Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Fibrillary Astrocytoma",
        "Recurrent Childhood Gemistocytic Astrocytoma",
        "Recurrent Childhood Giant Cell Glioblastoma",
        "Recurrent Childhood Glioblastoma",
        "Recurrent Childhood Gliomatosis Cerebri",
        "Recurrent Childhood Gliosarcoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Oligoastrocytoma",
        "Recurrent Childhood Oligodendroglioma",
        "Recurrent Childhood Pilocytic Astrocytoma",
        "Recurrent Childhood Pilomyxoid Astrocytoma",
        "Recurrent Childhood Pineoblastoma",
        "Recurrent Childhood Pleomorphic Xanthoastrocytoma",
        "Recurrent Childhood Protoplasmic Astrocytoma",
        "Recurrent Childhood Subependymal Giant Cell Astrocytoma",
        "Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor",
        "Recurrent Childhood Visual Pathway and Hypothalamic Glioma",
        "Recurrent Childhood Visual Pathway Glioma",
        "Untreated Childhood Anaplastic Astrocytoma",
        "Untreated Childhood Anaplastic Oligodendroglioma",
        "Untreated Childhood Brain Stem Glioma",
        "Untreated Childhood Cerebellar Astrocytoma",
        "Untreated Childhood Cerebral Astrocytoma",
        "Untreated Childhood Diffuse Astrocytoma",
        "Untreated Childhood Fibrillary Astrocytoma",
        "Untreated Childhood Gemistocytic Astrocytoma",
        "Untreated Childhood Giant Cell Glioblastoma",
        "Untreated Childhood Glioblastoma",
        "Untreated Childhood Gliomatosis Cerebri",
        "Untreated Childhood Gliosarcoma",
        "Untreated Childhood Medulloblastoma",
        "Untreated Childhood Oligoastrocytoma",
        "Untreated Childhood Oligodendroglioma",
        "Untreated Childhood Pilocytic Astrocytoma",
        "Untreated Childhood Pilomyxoid Astrocytoma",
        "Untreated Childhood Pineoblastoma",
        "Untreated Childhood Pleomorphic Xanthoastrocytoma",
        "Untreated Childhood Protoplasmic Astrocytoma",
        "Untreated Childhood Subependymal Giant Cell Astrocytoma",
        "Untreated Childhood Supratentorial Primitive Neuroectodermal Tumor",
        "Untreated Childhood Visual Pathway and Hypothalamic Glioma",
        "Untreated Childhood Visual Pathway Glioma"
      ],
      "interventions": [
        {
          "name": "gallium Ga 68-edotreotide",
          "type": "RADIATION"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Sue O'Dorisio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "6 Months to 29 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-09",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-04-28",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02194452"
    },
    {
      "nct_id": "NCT07017816",
      "title": "A Phase 0/1 Study of cDNA for TP53, Checkpoint Inhibition and Radiation in Children With Recurrent, Progressive or Refractory CNS Malignancies.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "CNS Malignancies",
        "Medulloblastoma Recurrent",
        "ATRT Recurrent",
        "Pineoblastoma",
        "Embryonal Neoplasm",
        "Ependymoma Recurrent",
        "High Grade Gliomas"
      ],
      "interventions": [
        {
          "name": "SGT-53",
          "type": "DRUG"
        },
        {
          "name": "hypofractionated radiotherapy with immunotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 18,
      "start_date": "2025-12-16",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07017816"
    },
    {
      "nct_id": "NCT00919750",
      "title": "Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Atypical Teratoid/Rhabdoid Tumor",
        "Childhood Central Nervous System Germ Cell Tumor",
        "Childhood Cerebral Anaplastic Astrocytoma",
        "Childhood Cerebral Astrocytoma",
        "Childhood Choroid Plexus Neoplasm",
        "Childhood Craniopharyngioma",
        "Childhood Grade I Meningioma",
        "Childhood Grade II Meningioma",
        "Childhood Grade III Meningioma",
        "Childhood Infratentorial Ependymoma",
        "Childhood Oligodendroglioma",
        "Childhood Supratentorial Ependymoma",
        "Ependymoma",
        "Newly Diagnosed Childhood Ependymoma",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified",
        "Recurrent Childhood Visual Pathway Glioma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 1258,
      "start_date": "2004-02-16",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-16",
      "last_synced_at": "2026-05-21T22:32:17.617Z",
      "location_count": 163,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 123 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00919750"
    }
  ]
}