{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing+Sarcoma&page=4",
    "query": {
      "condition": "Ewing Sarcoma",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 263,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing+Sarcoma&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing+Sarcoma&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T07:26:02.937Z",
  "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": "NCT00001686",
      "title": "Evaluation, Treatment, and Natural History of Children and Young Adults With Cancer or Rare Diseases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ewing's Sarcoma",
        "Leukemia",
        "Lymphoma",
        "Brain Tumors",
        "Rhabdomyosarcoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "2 Years to 40 Years"
      },
      "enrollment_count": 482,
      "start_date": "1998-03-19",
      "completion_date": "2020-09-02",
      "has_results": false,
      "last_update_posted_date": "2020-09-10",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001686"
    },
    {
      "nct_id": "NCT00020150",
      "title": "Temozolomide and O6-benzylguanine in Treating Children With 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": "O6-benzylguanine",
          "type": "DRUG"
        },
        {
          "name": "temozolomide",
          "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": null,
      "start_date": "2000-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020150"
    },
    {
      "nct_id": "NCT01518413",
      "title": "Dose Escalation Study of Sorafenib and Irinotecan Combination Therapy in Pediatric Patients With Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhabdomyosarcoma and Other Soft Tissue Sarcomas",
        "Ewing's Sarcoma Family of Tumors",
        "Osteosarcoma",
        "Neuroblastoma",
        "Brain Tumors"
      ],
      "interventions": [
        {
          "name": "sorafenib",
          "type": "DRUG"
        },
        {
          "name": "irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HMeany",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "2 Years to 22 Years"
      },
      "enrollment_count": 17,
      "start_date": "2011-12",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-02-27",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Bethesda, Maryland • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01518413"
    },
    {
      "nct_id": "NCT01858168",
      "title": "Phase I Study of Olaparib and Temozolomide for Ewings Sarcoma or Rhabdoomyosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2013-07-01",
      "completion_date": "2025-12-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 5,
      "location_summary": "Boston, Massachusetts • Memphis, Tennessee",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01858168"
    },
    {
      "nct_id": "NCT00002515",
      "title": "Combination Chemotherapy Followed by Bone Marrow Transplantation in Treating Patients With Rare Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Liver Cancer",
        "Lymphoma",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Retinoblastoma",
        "Sarcoma",
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "thiotepa",
          "type": "DRUG"
        },
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "autologous bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "bone marrow ablation with stem cell support",
          "type": "PROCEDURE"
        },
        {
          "name": "in vitro-treated bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": null,
      "start_date": "1992-10",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002515"
    },
    {
      "nct_id": "NCT00020566",
      "title": "Combination Chemotherapy With or Without Peripheral Stem Cell Transplantation, Radiation Therapy, and/or Surgery in Treating Patients With Ewing's Sarcoma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "dactinomycin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "autologous hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Leicester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "Up to 49 Years"
      },
      "enrollment_count": 1200,
      "start_date": "2001-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-06-24",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 88,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 80 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020566"
    },
    {
      "nct_id": "NCT03442465",
      "title": "Assessment of Healing and Function After Reconstruction Surgery for Bone Sarcomas",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Sarcoma",
        "Osteosarcoma",
        "Chondrosarcoma",
        "Ewing's Sarcoma",
        "Osseous Sarcoma",
        "Bone Neoplasm"
      ],
      "interventions": [
        {
          "name": "Toronto Extremity Salvage Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Musculoskeletal Tumor Society Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Timed Get Up and Go Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Orthogonal Radiographs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Weight Bearing for lower extremities only",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Range of Motion",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2018-02-14",
      "completion_date": "2027-02-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 5,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Harrison, New York + 2 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Uniondale",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442465"
    },
    {
      "nct_id": "NCT02945800",
      "title": "Nab-Paclitaxel and Gemcitabine for Recurrent/Refractory Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteosarcoma",
        "Ewing Sarcoma",
        "Rhabdomyosarcoma",
        "Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "nab-Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "3 Years to 30 Years"
      },
      "enrollment_count": 59,
      "start_date": "2016-10-25",
      "completion_date": "2025-02-17",
      "has_results": true,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Hartford, Connecticut + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02945800"
    },
    {
      "nct_id": "NCT00072488",
      "title": "Whole-Body MRI and Conventional Imaging in Detecting Distant Metastases in Young Patients With Solid Tumors or Lymphoma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphoma",
        "Neuroblastoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "American College of Radiology Imaging Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 226,
      "start_date": "2004-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-06-08",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 17,
      "location_summary": "San Francisco, California • Aurora, Colorado • Jacksonville, Florida + 14 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00072488"
    },
    {
      "nct_id": "NCT00026780",
      "title": "Eligibility Screening for a NCI Pediatric Oncology Branch Research Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ewing Sarcoma",
        "Osteosarcoma",
        "Neuroblastoma",
        "Acute Lymphoblastic Leukemia",
        "Neurofibromatosis Type 1"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "Up to 35 Years"
      },
      "enrollment_count": 1720,
      "start_date": "2001-09-24",
      "completion_date": "2020-10-07",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-20T07:26:02.937Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026780"
    }
  ]
}