{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Childhood+Neuroblastoma&page=3",
    "query": {
      "condition": "Refractory Childhood Neuroblastoma",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 81,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Childhood+Neuroblastoma&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Childhood+Neuroblastoma&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-13T02:35:55.262Z",
  "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": "NCT00003597",
      "title": "Colony-Stimulating Factors in Treating Children With Recurrent or Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "recombinant human thrombopoietin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "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": 16,
      "start_date": "1998-11",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2014-07-24",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 23,
      "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003597"
    },
    {
      "nct_id": "NCT00002673",
      "title": "Immunotherapy in Treating Patients Who Are Undergoing Bone Marrow or Peripheral Stem Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "infection prophylaxis and management",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "12 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "1995-06",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2010-06-17",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002673"
    },
    {
      "nct_id": "NCT07087002",
      "title": "GPC2-CAR T Cell Therapy for Relapsed or Refractory Medulloblastoma in Children and Young Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Medulloblastoma",
        "Central Nervous System Embryonal Tumor",
        "Refractory Medulloblastoma",
        "Recurrent Medulloblastoma",
        "Pediatric Brain Tumor",
        "Embryonal Tumor With Multilayered Rosettes (ETMR)",
        "Pineoblastoma",
        "Atypical Teratoid/Rhabdoid Tumor (ATRT) of the CNS",
        "CNS Neuroblastoma",
        "FOXR2-activated",
        "Childhood"
      ],
      "interventions": [
        {
          "name": "GPC2-CAR T cells",
          "type": "GENETIC"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 18,
      "start_date": "2025-08-28",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-10-09",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07087002"
    },
    {
      "nct_id": "NCT01305200",
      "title": "Supersaturated Calcium Phosphate Rinse in Preventing Oral Mucositis in Young Patients Undergoing Autologous or Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Childhood Chronic Myelogenous Leukemia",
        "Childhood Myelodysplastic Syndromes",
        "Chronic Eosinophilic Leukemia",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Neutrophilic Leukemia",
        "de Novo Myelodysplastic Syndromes",
        "Disseminated Neuroblastoma",
        "Juvenile Myelomonocytic Leukemia",
        "Mucositis",
        "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable",
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Previously Treated Myelodysplastic Syndromes",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent Malignant Testicular Germ Cell Tumor",
        "Recurrent Wilms Tumor and Other Childhood Kidney Tumors",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Relapsing Chronic Myelogenous Leukemia",
        "Secondary Acute Myeloid Leukemia",
        "Secondary Myelodysplastic Syndromes",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "supersaturated calcium phosphate rinse",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 226,
      "start_date": "2011-03",
      "completion_date": "2015-06-30",
      "has_results": true,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 31,
      "location_summary": "Arcadia, California • Duarte, California • Oakland, California + 26 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01305200"
    },
    {
      "nct_id": "NCT00002485",
      "title": "Development of Strategies to Increase Enrollment in Clinical Trials for Children With Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Leukemia",
        "Liver Cancer",
        "Lymphoma",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Psychosocial Effects of Cancer and Its Treatment",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 359,
      "start_date": "1992-02",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 26,
      "location_summary": "Sacramento, California • Gainesville, Florida • Miami, Florida + 23 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002485"
    },
    {
      "nct_id": "NCT00003661",
      "title": "Chemotherapy, Radiation Therapy, and Umbilical Cord Blood Transplantation in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "54 Years",
        "sex": "ALL",
        "summary": "Up to 54 Years"
      },
      "enrollment_count": 3,
      "start_date": "1998-06",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 17,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida • Tampa, Florida + 12 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003661"
    },
    {
      "nct_id": "NCT04901702",
      "title": "Study of Onivyde With Talazoparib or Temozolomide in Children With Recurrent Solid Tumors and Ewing Sarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Solid Tumor",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "Recurrent Malignant Germ Cell Tumor",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Recurrent Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Rhabdoid Tumor",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Recurrent Wilms Tumor",
        "Refractory Ewing Sarcoma",
        "Refractory Hepatoblastoma",
        "Refractory Malignant Germ Cell Tumor",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Neuroblastoma",
        "Refractory Osteosarcoma",
        "Refractory Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Rhabdoid Tumor",
        "Refractory Rhabdomyosarcoma",
        "Refractory Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Onivyde",
          "type": "DRUG"
        },
        {
          "name": "Talazoparib",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Months to 30 Years"
      },
      "enrollment_count": 90,
      "start_date": "2021-06-09",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 7,
      "location_summary": "Palo Alto, California • Aurora, Colorado • Washington D.C., District of Columbia + 4 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04901702"
    },
    {
      "nct_id": "NCT00036959",
      "title": "ABT-751 in Treating Young Patients With Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Kidney Cancer",
        "Liver Cancer",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "ABT-751",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2002-03",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Bethesda, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00036959"
    },
    {
      "nct_id": "NCT00101270",
      "title": "Oxaliplatin and Irinotecan in Treating Young Patients With Refractory Solid Tumors or Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Childhood Burkitt Lymphoma",
        "Childhood Central Nervous System Germ Cell Tumor",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Grade III Lymphomatoid Granulomatosis",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Recurrent Childhood Brain Stem Glioma",
        "Recurrent Childhood Cerebellar Astrocytoma",
        "Recurrent Childhood Cerebral Astrocytoma",
        "Recurrent Childhood Ependymoma",
        "Recurrent Childhood Grade III Lymphomatoid Granulomatosis",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Liver Cancer",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Malignant Germ Cell Tumor",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor",
        "Recurrent Childhood Visual Pathway Glioma",
        "Recurrent Colon Cancer",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Melanoma",
        "Recurrent Nasopharyngeal Cancer",
        "Recurrent Neuroblastoma",
        "Recurrent Osteosarcoma",
        "Recurrent Wilms Tumor and Other Childhood Kidney Tumors",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 24,
      "start_date": "2005-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-05",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00101270"
    },
    {
      "nct_id": "NCT00118326",
      "title": "Donor Bone Marrow Transplant in Treating Young Patients With Cancer or a Non-Cancerous Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Neuroblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": null,
      "start_date": "2003-08",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2010-05-14",
      "last_synced_at": "2026-10-13T02:35:55.262Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee • Seattle, Washington",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118326"
    }
  ]
}