{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing%27s+Tumor+Recurrent&page=3",
    "query": {
      "condition": "Ewing's Tumor Recurrent",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 119,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing%27s+Tumor+Recurrent&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing%27s+Tumor+Recurrent&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T02:44:24.981Z",
  "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": "NCT06892678",
      "title": "DFMO Maintenance for Patients With Relapsed/Refractory Ewing Sarcoma or Osteosarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Osteosarcoma Recurrent",
        "Ewing's Tumor Recurrent"
      ],
      "interventions": [
        {
          "name": "DFMO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "Up to 39 Years"
      },
      "enrollment_count": 15,
      "start_date": "2025-04-07",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06892678"
    },
    {
      "nct_id": "NCT02304458",
      "title": "Nivolumab With or Without Ipilimumab in Treating Younger Patients With Recurrent or Refractory Solid Tumors or Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Melanoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Hodgkin Lymphoma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Melanoma",
        "Recurrent Neuroblastoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Recurrent Rhabdomyosarcoma",
        "Refractory Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Hodgkin Lymphoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Melanoma",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Refractory Rhabdomyosarcoma",
        "Stage III Cutaneous Melanoma AJCC v7",
        "Stage IIIA Cutaneous Melanoma AJCC v7",
        "Stage IIIB Cutaneous Melanoma AJCC v7",
        "Stage IIIC Cutaneous Melanoma AJCC v7",
        "Stage IV Cutaneous Melanoma AJCC v6 and v7",
        "Unresectable Melanoma"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 140,
      "start_date": "2015-03-30",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-10-17",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02304458"
    },
    {
      "nct_id": "NCT00161187",
      "title": "Irradiated Donor Lymphocyte Infusion in Treating Patients With Relapsed or Refractory Hematologic Cancer or Solid Tumor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 37,
      "start_date": "2001-05",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2015-11-06",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00161187"
    },
    {
      "nct_id": "NCT02116777",
      "title": "Talazoparib and Temozolomide in Treating Younger Patients With Refractory or Recurrent Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adult Solid Neoplasm",
        "Childhood Solid Neoplasm",
        "Recurrent Childhood Central Nervous System Neoplasm",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Malignant Solid Neoplasm",
        "Refractory Central Nervous System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Talazoparib",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Months",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "13 Months to 30 Years"
      },
      "enrollment_count": 40,
      "start_date": "2014-05-16",
      "completion_date": "2018-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Orange, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02116777"
    },
    {
      "nct_id": "NCT00048984",
      "title": "Diagnostic Study of Tumor Characteristics in Patients With Ewing's Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 637,
      "start_date": "2003-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048984"
    },
    {
      "nct_id": "NCT03213665",
      "title": "Tazemetostat in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With EZH2, SMARCB1, or SMARCA4 Gene Mutations (A Pediatric MATCH Treatment Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Ann Arbor Stage III Hodgkin Lymphoma",
        "Ann Arbor Stage III Non-Hodgkin Lymphoma",
        "Ann Arbor Stage IV Hodgkin Lymphoma",
        "Ann Arbor Stage IV Non-Hodgkin Lymphoma",
        "Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Low Grade Glioma",
        "Recurrent Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Glioma",
        "Recurrent Hepatoblastoma",
        "Recurrent Hodgkin Lymphoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Malignant Germ Cell Tumor",
        "Recurrent Malignant Glioma",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Medulloblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Recurrent Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Primary Central Nervous System Neoplasm",
        "Recurrent Rhabdoid Tumor",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Refractory Hodgkin Lymphoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Malignant Germ Cell Tumor",
        "Refractory Malignant Glioma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Medulloblastoma",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Refractory Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Rhabdoid Tumor",
        "Refractory Soft Tissue Sarcoma",
        "Rhabdoid Tumor",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Tazemetostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Months to 21 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-11-13",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 115,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 91 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03213665"
    },
    {
      "nct_id": "NCT00070109",
      "title": "Trabectedin in Treating Young Patients With Recurrent or Refractory Soft Tissue Sarcoma or Ewing's Family of Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Recurrent Ewing Sarcoma",
        "Peripheral Primitive Neuroectodermal Tumor"
      ],
      "interventions": [
        {
          "name": "trabectedin",
          "type": "DRUG"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "12 Months to 50 Years"
      },
      "enrollment_count": 50,
      "start_date": "2008-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-09-14",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 11,
      "location_summary": "Little Rock, Arkansas • Madera, California • Chicago, Illinois + 7 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00070109"
    },
    {
      "nct_id": "NCT00112645",
      "title": "Donor Stem Cell Transplant in Treating Young Patients With Relapsed or Refractory Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 10,
      "start_date": "2005-04",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2013-07-18",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112645"
    },
    {
      "nct_id": "NCT04238819",
      "title": "A Study of Abemaciclib (LY2835219) in Combination With Other Anti-Cancer Treatments in Children and Young Adult Participants With Solid Tumors, Including Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Relapsed Solid Tumor",
        "Refractory Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Dinutuximab",
          "type": "DRUG"
        },
        {
          "name": "GM-CSF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 47,
      "start_date": "2020-11-09",
      "completion_date": "2025-08-19",
      "has_results": true,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-10-02T02:44:24.981Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Oakland, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Santa Clara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04238819"
    },
    {
      "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": "2026-10-02T02:44:24.981Z",
      "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"
    }
  ]
}