{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing+Sarcoma&page=2",
    "query": {
      "condition": "Ewing Sarcoma",
      "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=Ewing+Sarcoma&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:47:02.263Z",
  "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": "NCT00186992",
      "title": "Radiation Therapy to Treat Musculoskeletal Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma, Ewing's",
        "Rhabdomyosarcoma",
        "Soft Tissue Sarcoma",
        "Musculoskeletal Tumors"
      ],
      "interventions": [
        {
          "name": "image-guided radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 202,
      "start_date": "2003-01-10",
      "completion_date": "2029-10",
      "has_results": true,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00186992"
    },
    {
      "nct_id": "NCT02574728",
      "title": "Sirolimus in Combination With Metronomic Chemotherapy in Children With Recurrent and/or Refractory Solid and CNS Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "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": 46,
      "start_date": "2015-06",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Wilmington, Delaware • Atlanta, Georgia + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02574728"
    },
    {
      "nct_id": "NCT04337177",
      "title": "Flavored, Oral Irinotecan VAL-413 (Orotecan®) Given With Temozolomide for Treatment of Recurrent Pediatric Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors",
        "Neuroblastoma",
        "Rhabdomyosarcoma",
        "Ewing Sarcoma",
        "Hepatoblastoma",
        "Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "VAL-413",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Valent Technologies, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-10-25",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • San Francisco, California • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04337177"
    },
    {
      "nct_id": "NCT07188532",
      "title": "Biologically-Adapted, Dose-Escalated Radiotherapy for the Treatment of Ewing Sarcoma, BEAR Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Round Cell Sarcoma With EWSR1-non-ETS Fusion"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Radiotherapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Definitive Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dose-escalated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2025-11-24",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07188532"
    },
    {
      "nct_id": "NCT00516295",
      "title": "Vincristine Sulfate, Topotecan Hydrochloride, and Cyclophosphamide With or Without Bevacizumab in Treating Young Patients With Refractory or First Recurrent Extracranial Ewing Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ewing Sarcoma of Bone",
        "Extraosseous Ewing Sarcoma",
        "Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor"
      ],
      "interventions": [
        {
          "name": "topotecan hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "1 Year to 29 Years"
      },
      "enrollment_count": 7,
      "start_date": "2008-02",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2014-09-02",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00516295"
    },
    {
      "nct_id": "NCT03495921",
      "title": "A Trial For Participants With Ewing's Sarcoma Treated With Vigil in Combination With Irinotecan and Temozolomide",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Ewing Family of Tumors",
        "Ewing's Tumor Metastatic",
        "Ewing's Sarcoma Metastatic",
        "Ewing's Tumor Recurrent",
        "Rare Diseases",
        "Sarcoma",
        "Neoplasms, Connective and Soft Tissue",
        "Neoplasms by Histologic Type",
        "Neoplasms, Bone Tissue",
        "Neoplasms, Connective Tissue",
        "Sarcoma, Ewing",
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "Vigil",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Gradalis, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2018-08-21",
      "completion_date": "2022-01-20",
      "has_results": true,
      "last_update_posted_date": "2023-04-26",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Jacksonville, Florida + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03495921"
    },
    {
      "nct_id": "NCT00560235",
      "title": "Study Of CP-751,871 In Patients With Ewing's Sarcoma Family Of Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Ewing's Sarcoma Family of Tumors"
      ],
      "interventions": [
        {
          "name": "CP-751,871",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 138,
      "start_date": "2008-03",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2015-10-28",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 10,
      "location_summary": "Tampa, Florida • Boston, Massachusetts • Rochester, Minnesota + 6 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00560235"
    },
    {
      "nct_id": "NCT03880123",
      "title": "Selinexor in Combination With Ixazomib for the Treatment of Advanced Sarcoma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liposarcoma",
        "Malignant Peripheral Nerve Sheath Tumors",
        "Alveolar Soft Part Sarcoma",
        "Ewing Sarcoma",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Selinexor",
          "type": "DRUG"
        },
        {
          "name": "Ixazomib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Matthew Ingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-11",
      "completion_date": "2020-11-24",
      "has_results": false,
      "last_update_posted_date": "2020-11-27",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03880123"
    },
    {
      "nct_id": "NCT00470275",
      "title": "Cytarabine in Treating Young Patients With Recurrent or Refractory Ewing's Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "cytarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 10,
      "start_date": "2007-05",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2014-10-20",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00470275"
    },
    {
      "nct_id": "NCT07222735",
      "title": "Hypofractionated Radiation in Combination With B7-H3-CAR T Cells for Pediatric Patients With Relapsed/Refractory Sarcomas",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sarcoma",
        "Childhood Osteosarcoma",
        "Childhood Rhabdomyosarcoma",
        "Childhood Soft Tissue Sarcoma",
        "Ewing Sarcoma"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "B7-H3-CAR T Cells",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 42,
      "start_date": "2026-01-21",
      "completion_date": "2031-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-05-21T22:47:02.263Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07222735"
    }
  ]
}