{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Pediatric+Solid+Tumor&page=2",
    "query": {
      "condition": "Refractory Pediatric Solid Tumor",
      "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=Refractory+Pediatric+Solid+Tumor&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:09:17.877Z",
  "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": "NCT00005811",
      "title": "Topotecan Hydrochloride in Treating Children With Meningeal Cancer That Has Not Responded to Previous Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "AIDS-related Diffuse Large Cell Lymphoma",
        "AIDS-related Diffuse Mixed Cell Lymphoma",
        "AIDS-related Diffuse Small Cleaved Cell Lymphoma",
        "AIDS-related Immunoblastic Large Cell Lymphoma",
        "AIDS-related Lymphoblastic Lymphoma",
        "AIDS-related Peripheral/Systemic Lymphoma",
        "AIDS-related Primary CNS Lymphoma",
        "AIDS-related Small Noncleaved Cell Lymphoma",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "HIV-associated Hodgkin Lymphoma",
        "Leptomeningeal Metastases",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Medulloblastoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "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": 77,
      "start_date": "2000-04",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2013-02-21",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005811"
    },
    {
      "nct_id": "NCT00003894",
      "title": "Thalidomide in Treating Patients With Chronic Graft-Versus-Host Disease Following Bone Marrow Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Unspecified Adult Solid Tumor, Protocol Specific",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "thalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "1999-03",
      "completion_date": "2002-06",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 10,
      "location_summary": "Little Rock, Arkansas • Kansas City, Kansas • New Orleans, Louisiana + 6 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003894"
    },
    {
      "nct_id": "NCT00929903",
      "title": "Pazopanib Hydrochloride in Treating Young Patients With Solid Tumors That Have Relapsed or Not Responded to Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Childhood Central Nervous System Choriocarcinoma",
        "Childhood Central Nervous System Embryonal Tumor",
        "Childhood Central Nervous System Germ Cell 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",
        "Metastatic Childhood Soft Tissue Sarcoma",
        "Recurrent Childhood Brain Stem Glioma",
        "Recurrent Childhood Central Nervous System Embryonal Tumor",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Recurrent Childhood Visual Pathway Glioma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "pazopanib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "2 Years to 25 Years"
      },
      "enrollment_count": 55,
      "start_date": "2009-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-09-30",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Indianapolis, Indiana + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00929903"
    },
    {
      "nct_id": "NCT03445858",
      "title": "Pembrolizumab in Combination With Decitabine and Hypofractionated Index Lesion Radiation in Pediatrics and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Childhood Solid Tumor",
        "Childhood Lymphoma",
        "Relapsed Cancer",
        "Refractory Cancer",
        "Adult Solid Tumor",
        "Adult Lymphoma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Decitabine",
          "type": "DRUG"
        },
        {
          "name": "Hypofractionated Index Site Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Months to 40 Years"
      },
      "enrollment_count": 22,
      "start_date": "2018-02-12",
      "completion_date": "2023-11-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03445858"
    },
    {
      "nct_id": "NCT00040781",
      "title": "Gefitinib in Treating Children With Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 45,
      "start_date": "2002-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-23",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040781"
    },
    {
      "nct_id": "NCT04447755",
      "title": "A Study of Lenvatinib (MK-7902) in Pediatric Participants With Relapsed or Refractory Solid Malignancies (MK-7902-013/E7080)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Relapsed or Refractory Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "2 Years to 21 Years"
      },
      "enrollment_count": 127,
      "start_date": "2020-07-30",
      "completion_date": "2025-02-13",
      "has_results": true,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 4,
      "location_summary": "Aurora, Colorado • Cleveland, Ohio • Nashville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04447755"
    },
    {
      "nct_id": "NCT05071209",
      "title": "Elimusertib for the Treatment of Relapsed or Refractory Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Alveolar Rhabdomyosarcoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Refractory Alveolar Rhabdomyosarcoma",
        "Refractory Ewing Sarcoma",
        "Refractory Lymphoma",
        "Refractory Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Elimusertib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "12 Months to 30 Years"
      },
      "enrollment_count": 31,
      "start_date": "2021-12-22",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05071209"
    },
    {
      "nct_id": "NCT00005577",
      "title": "Gemcitabine in Treating Children With Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "gemcitabine hydrochloride",
          "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": 30,
      "start_date": "1996-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-05",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 22,
      "location_summary": "Los Angeles, California • Orange, California • San Francisco, California + 15 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005577"
    },
    {
      "nct_id": "NCT04530487",
      "title": "Donor Stem Cell Transplant After Chemotherapy for the Treatment of Recurrent or Refractory High-Risk Solid Tumors in Pediatric and Adolescent-Young Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Desmoplastic Small Round Cell Tumor",
        "Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Desmoplastic Small Round Cell Tumor",
        "Recurrent Malignant Peripheral Nerve Sheath Tumor",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Neuroblastoma",
        "Recurrent Rhabdomyosarcoma",
        "Refractory Desmoplastic Small Round Cell Tumor",
        "Refractory Malignant Peripheral Nerve Sheath Tumor",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Neuroblastoma",
        "Refractory Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Lapine T-Lymphocyte Immune Globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 1,
      "start_date": "2020-08-19",
      "completion_date": "2024-08-26",
      "has_results": true,
      "last_update_posted_date": "2025-06-29",
      "last_synced_at": "2026-05-22T03:09:17.877Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04530487"
    },
    {
      "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": "2026-05-22T03:09:17.877Z",
      "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"
    }
  ]
}