{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Newly+Diagnosed+Ewing+Sarcoma",
    "query": {
      "condition": "Newly Diagnosed Ewing Sarcoma"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Newly+Diagnosed+Ewing+Sarcoma&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T23:35:09.092Z",
  "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": "NCT00004853",
      "title": "Comparison of Filgrastim and Filgrastim SD/01in Boosting White Cell Counts After Intensive Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ewing's Sarcoma",
        "Rhabdomyosarcoma",
        "MPNST",
        "Synovial Sarcoma",
        "High-risk Sarcoma"
      ],
      "interventions": [
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Filgrastim-SD/01",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 34,
      "start_date": "2000-03-03",
      "completion_date": "2009-05-20",
      "has_results": false,
      "last_update_posted_date": "2019-11-12",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004853"
    },
    {
      "nct_id": "NCT00040911",
      "title": "Electroacupuncture in Treating Delayed Nausea and Vomiting in Patients Receiving Chemotherapy For Newly Diagnosed Childhood Sarcoma, Neuroblastoma, Nasopharyngeal Cancer, Germ Cell Tumors, or Hodgkin Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Tumors",
        "Central Nervous System Tumors",
        "Childhood Germ Cell Tumor",
        "Extragonadal Germ Cell Tumor",
        "Head and Neck Cancer",
        "Lymphoma",
        "Nausea",
        "Vomiting",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "electroacupuncture therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "sham intervention",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "5 Years to 35 Years"
      },
      "enrollment_count": 17,
      "start_date": "2005-04",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2013-05-31",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040911"
    },
    {
      "nct_id": "NCT00445965",
      "title": "Iodine I 131 Monoclonal Antibody 3F8 in Treating Patients With Central Nervous System Cancer or Leptomeningeal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Intraocular Melanoma",
        "Lung Cancer",
        "Melanoma (Skin)",
        "Metastatic Cancer",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Retinoblastoma",
        "Sarcoma",
        "Small Intestine Cancer"
      ],
      "interventions": [
        {
          "name": "DNA analysis",
          "type": "GENETIC"
        },
        {
          "name": "immunologic technique",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "iodine I 131 monoclonal antibody 3F8",
          "type": "RADIATION"
        },
        {
          "name": "131I-3F8",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 78,
      "start_date": "2006-01",
      "completion_date": "2023-02-01",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00445965"
    },
    {
      "nct_id": "NCT02867592",
      "title": "Cabozantinib-S-Malate in Treating Younger Patients With Recurrent, Refractory, or Newly Diagnosed Sarcomas, Wilms Tumor, or Other Rare Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adrenal Cortical Carcinoma",
        "Alveolar Soft Part Sarcoma",
        "Central Nervous System Neoplasm",
        "Childhood Clear Cell Sarcoma of Soft Tissue",
        "Clear Cell Sarcoma of Soft Tissue",
        "Ewing Sarcoma",
        "Hepatoblastoma",
        "Hepatocellular Carcinoma",
        "Osteosarcoma",
        "Recurrent Adrenal Cortical Carcinoma",
        "Recurrent Alveolar Soft Part Sarcoma",
        "Recurrent Clear Cell Sarcoma of Soft Tissue",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "Recurrent Hepatocellular Carcinoma",
        "Recurrent Kidney Wilms Tumor",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Osteosarcoma",
        "Recurrent Primary Malignant Central Nervous System Neoplasm",
        "Recurrent Renal Cell Carcinoma",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Recurrent Thyroid Gland Medullary Carcinoma",
        "Refractory Adrenal Cortical Carcinoma",
        "Refractory Alveolar Soft Part Sarcoma",
        "Refractory Clear Cell Sarcoma of Soft Tissue",
        "Refractory Ewing Sarcoma",
        "Refractory Hepatoblastoma",
        "Refractory Hepatocellular Carcinoma",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Osteosarcoma",
        "Refractory Primary Central Nervous System Neoplasm",
        "Refractory Primary Malignant Central Nervous System Neoplasm",
        "Refractory Renal Cell Carcinoma",
        "Refractory Rhabdomyosarcoma",
        "Refractory Soft Tissue Sarcoma",
        "Refractory Thyroid Gland Medullary Carcinoma",
        "Refractory Wilms Tumor",
        "Renal Cell Carcinoma",
        "Rhabdomyosarcoma",
        "Soft Tissue Sarcoma",
        "Solid Neoplasm",
        "Thyroid Gland Medullary Carcinoma",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        },
        {
          "name": "Cabozantinib S-malate",
          "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": "30 Years",
        "sex": "ALL",
        "summary": "2 Years to 30 Years"
      },
      "enrollment_count": 109,
      "start_date": "2017-05-18",
      "completion_date": "2027-06-28",
      "has_results": true,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 142,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Little Rock, Arkansas + 104 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bellflower",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02867592"
    },
    {
      "nct_id": "NCT02306161",
      "title": "Combination Chemotherapy With or Without Ganitumab in Treating Patients With Newly Diagnosed Metastatic Ewing Sarcoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Ewing Sarcoma",
        "Metastatic Malignant Neoplasm in the Bone",
        "Metastatic Malignant Neoplasm in the Bone Marrow",
        "Metastatic Malignant Neoplasm in the Lung",
        "Metastatic Peripheral Primitive Neuroectodermal Tumor of Bone",
        "Peripheral Primitive Neuroectodermal Tumor of Soft Tissues"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide Phosphate",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Ganitumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Surgical Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 312,
      "start_date": "2014-12-12",
      "completion_date": "2026-09-17",
      "has_results": true,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 298,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 203 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02306161"
    },
    {
      "nct_id": "NCT00618813",
      "title": "Two Regimens of Combination Chemotherapy in Treating Younger Patients With Newly Diagnosed Localized Ewing Sarcoma Family of Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ewing Sarcoma of Bone",
        "Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor"
      ],
      "interventions": [
        {
          "name": "radiation therapy",
          "type": "OTHER"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "OTHER"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 35,
      "start_date": "2008-03",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2014-09-25",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00618813"
    },
    {
      "nct_id": "NCT00499733",
      "title": "Cyclophosphamide and Cryoablation in Treating Patients With Advanced or Metastatic Epithelial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cryoablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 19,
      "start_date": "2007-06",
      "completion_date": "2013-01-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-18",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499733"
    },
    {
      "nct_id": "NCT00002643",
      "title": "Combination Chemotherapy in Treating Patients With Newly Diagnosed Metastatic Ewing's Sarcoma or Primitive Neuroectodermal Tumor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neutropenia",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "amifostine trihydrate",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "low-LET cobalt-60 gamma ray therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET electron therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET photon therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 130,
      "start_date": "1995-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-02-01",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 43,
      "location_summary": "Long Beach, California • Los Angeles, California • Orange, California + 35 more",
      "locations": [
        {
          "city": "Long Beach",
          "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/NCT00002643"
    },
    {
      "nct_id": "NCT00003667",
      "title": "Combination Chemotherapy and Biological Therapy in Treating Patients With High-Risk Ewing's Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "dexrazoxane hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "disaccharide tripeptide glycerol dipalmitoyl",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "surgical procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "3 Years to 60 Years"
      },
      "enrollment_count": null,
      "start_date": "1998-09",
      "completion_date": "2000-08",
      "has_results": false,
      "last_update_posted_date": "2013-06-25",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 2,
      "location_summary": "New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003667"
    },
    {
      "nct_id": "NCT02415816",
      "title": "Diffusion Weighted Magnetic Resonance in Imaging Younger Patients With Newly Diagnosed Bone or Soft Tissue Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcoma, Bone",
        "Sarcoma, Soft Tissue",
        "Osteosarcoma",
        "Sarcoma, Ewing",
        "Rhabdomyosarcoma",
        "Non-rhabdomyosarcoma Soft-tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Diffusion Weighted Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 98,
      "start_date": "2015-06-05",
      "completion_date": "2022-10-28",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-07-22T23:35:09.092Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415816"
    }
  ]
}