{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+Central+Nervous+System+Tumor&page=4",
    "query": {
      "condition": "Relapsed Central Nervous System Tumor",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 174,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+Central+Nervous+System+Tumor&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Relapsed+Central+Nervous+System+Tumor&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T09:53:27.999Z",
  "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": "NCT07793994",
      "title": "Pedi-STAR: Surface Target Antibody-drug Conjugate (ADC) Antigen Expression in Relapsed/Refractory Pediatric Solid and CNS Tumors",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "CNS Tumor",
        "Solid Tumor",
        "Relapsed Cancer",
        "Refractory Cancer",
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Bulk RNA Sequencing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Immunohistochemistry (IHC)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 130,
      "start_date": "2026-09",
      "completion_date": "2030-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07793994"
    },
    {
      "nct_id": "NCT01528046",
      "title": "Metformin in Children With Relapsed or Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors",
        "Primary Brain Tumors"
      ],
      "interventions": [
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Metformin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Year to 18 Years"
      },
      "enrollment_count": 26,
      "start_date": "2012-09-24",
      "completion_date": "2020-02-03",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 14,
      "location_summary": "Hartford, Connecticut • Wilmington, Delaware • Gainesville, Florida + 10 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01528046"
    },
    {
      "nct_id": "NCT00301418",
      "title": "Oral Tarceva Study for Recurrent/Residual Glioblastoma Multiforme and Anaplastic Astrocytoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme",
        "Anaplastic Astrocytoma"
      ],
      "interventions": [
        {
          "name": "Erlotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2006-03",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2016-02-10",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00301418"
    },
    {
      "nct_id": "NCT00073944",
      "title": "BCX-1777 in Treating Patients With Refractory Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "forodesine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioCryst Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2003-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00073944"
    },
    {
      "nct_id": "NCT04984330",
      "title": "Selinexor for Treatment of Light Chain Amyloidosis With Relapsed/Refractory Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Amyloid",
        "Amyloidosis",
        "AL Amyloidosis"
      ],
      "interventions": [
        {
          "name": "Selinexor",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-12",
      "completion_date": "2024-06",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04984330"
    },
    {
      "nct_id": "NCT04031469",
      "title": "A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Disease",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gut Microbiome",
        "Gastrointestinal Microbiome",
        "Autism",
        "Autism Spectrum Disorder",
        "Autism Spectrum Disorder High-Functioning",
        "Alzheimer Disease",
        "Alzheimer Dementia (AD)",
        "Alzheimer Dementia",
        "Alzheimer Disease (AD)",
        "Crohn",
        "Crohn Colitis",
        "Crohn Disease (CD)",
        "Crohn Disease Colon",
        "Myalgic Encephalomyelitis",
        "ME/CFS",
        "Myalgic Encephalomyelitis (ME)",
        "Myalgic Encephalomyelitis/Chronic Fatigue Syndrome",
        "Psoriasis",
        "Psoriasis Annularis",
        "Psoriasis Chronic",
        "Chronic Urinary Tract Infection",
        "Ulcerative Colitis (Disorder)",
        "Ulcerative Colitis (UC)",
        "Ulcerative Colitis Acute",
        "Ulcerative Colitis Chronic",
        "Multiple Sclerosis",
        "Multiple Sclerosis (MS) - Relapsing-remitting",
        "Multiple Sclerosis (MS) Primary Progressive",
        "Constipation Chronic Idiopathic",
        "Constipation",
        "Celiac",
        "Celiac Disease",
        "Celiac Sprue",
        "Lyme Arthritis",
        "Lyme Borreliosis, Nervous System",
        "Lyme Disease, Chronic",
        "Cholesterol",
        "Cholesterol Level, High",
        "Cancer",
        "Colon Cancer",
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Amyotrophic Lateral Sclerosis",
        "Rheumatoid Arthritis (RA)",
        "Rheumatoid Arthritis - Rheumatism",
        "Chronic Fatigue Syndrome (CFS)",
        "PARKINSON DISEASE (Disorder)",
        "Parkinson Disease",
        "Parkinson Disease (PD)",
        "Depression",
        "Major Depressive Disorder (MDD)",
        "Depression Disorder",
        "Depression in Adults",
        "Anxiety",
        "Anxiety Disorder Generalized",
        "Obsessive Compulsive Disorder (OCD)",
        "Obsessive Compulsive Disorder OCD",
        "Obsessive - Compulsive Disorder",
        "Bipolar",
        "Bipolar 1 Disorder",
        "Bipolar Disorder (BD)",
        "Bipolar Disorder I and II",
        "Bipolar and Related Disorders",
        "Migraine",
        "Migraine Disorder",
        "Diabetes (DM)",
        "Diabetes",
        "Lupus",
        "Lupus Erythematosus",
        "Epidermolysis Bullosa (EB)",
        "Mesothelioma",
        "Mesothelioma Malignant",
        "IBS (Irritable Bowel Syndrome)",
        "Irritable Bowel",
        "IBS - Irritable Bowel Syndrome",
        "Irritable Bowel Syndrome (IBS)",
        "Eczema",
        "Eczema Atopic Dermatitis",
        "Acne",
        "Myasthaenia Gravis",
        "Gout"
      ],
      "interventions": [
        {
          "name": "There is no intervention in this study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2019-07-11",
      "completion_date": "2030-12-10",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04031469"
    },
    {
      "nct_id": "NCT04978727",
      "title": "A Pilot Study of SurVaxM in Children Progressive or Relapsed Medulloblastoma, High Grade Glioma, Ependymoma and Newly Diagnosed Diffuse Intrinsic Pontine Glioma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Medulloblastoma",
        "Glioblastoma Multiforme",
        "Anaplastic Astrocytoma",
        "High-grade Astrocytoma NOS",
        "Anaplastic Oligodendroglioma",
        "Anaplastic Ependymoma",
        "Ependymoma",
        "Diffuse Intrinsic Pontine Glioma"
      ],
      "interventions": [
        {
          "name": "SurVaxM for patients with relapsed or progressive MB, HGG or ependymoma ages ≥10 and ≤21 years",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SurVaxM for patients with relapsed or progressive MB, HGG or ependymoma ages ≥1 and <10 years",
          "type": "BIOLOGICAL"
        },
        {
          "name": "SurVaxM for patients with non-relapsed DIPG post radiation-therapy ages ≥1 and ≤21 years",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 35,
      "start_date": "2022-07-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 13,
      "location_summary": "Los Angeles, California • Palo Alto, California • Aurora, Colorado + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04978727"
    },
    {
      "nct_id": "NCT04049669",
      "title": "Pediatric Trial of Indoximod With Chemotherapy and Radiation for Relapsed Brain Tumors or Newly Diagnosed DIPG",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma",
        "Medulloblastoma",
        "Ependymoma",
        "Diffuse Intrinsic Pontine Glioma"
      ],
      "interventions": [
        {
          "name": "Indoximod",
          "type": "DRUG"
        },
        {
          "name": "Partial Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Full-dose Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Lomustine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Theodore S. Johnson",
      "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": 130,
      "start_date": "2019-10-02",
      "completion_date": "2027-10-02",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 5,
      "location_summary": "Augusta, Georgia • Druid Hills, Georgia • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Druid Hills",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04049669"
    },
    {
      "nct_id": "NCT03604978",
      "title": "Nivolumab and Multi-fraction Stereotactic Radiosurgery With or Without Ipilimumab in Treating Patients With Recurrent Grade II-III Meningioma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Grade 2 Meningioma",
        "Grade 3 Meningioma",
        "Recurrent Meningioma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2019-06-17",
      "completion_date": "2027-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 29,
      "location_summary": "Phoenix, Arizona • Duarte, California • La Jolla, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03604978"
    },
    {
      "nct_id": "NCT02162732",
      "title": "Molecular-Guided Therapy for Childhood Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neuroblastoma",
        "Medulloblastoma",
        "Glioma",
        "Ependymoma",
        "Choroid Plexus Neoplasms",
        "Craniopharyngioma",
        "Dysembryoplastic Neuroepithelial Tumor",
        "Meningioma",
        "Primitive Neuroectodermal Tumors (PNETs)",
        "Germ Cell Tumors",
        "Rhabdomyosarcoma",
        "Non-rhabdomyosarcoma",
        "Ewings Sarcoma",
        "Osteosarcoma",
        "Wilms Tumor",
        "Renal Cell Carcinoma",
        "Malignant Rhabdoid Tumor",
        "Clear Cell Sarcoma",
        "Liver Tumors"
      ],
      "interventions": [
        {
          "name": "Guided Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Giselle Sholler",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Months to 21 Years"
      },
      "enrollment_count": 186,
      "start_date": "2014-07-08",
      "completion_date": "2024-01-18",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-05T09:53:27.999Z",
      "location_count": 18,
      "location_summary": "Little Rock, Arkansas • San Diego, California • Hartford, Connecticut + 15 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162732"
    }
  ]
}