{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ewing%27s+Tumor+Recurrent&page=2",
    "query": {
      "condition": "Ewing's Tumor Recurrent",
      "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%27s+Tumor+Recurrent&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T03:15:40.131Z",
  "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": "NCT04483778",
      "title": "B7H3 CAR T Cell Immunotherapy for Recurrent/Refractory Solid Tumors in Children and Young Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pediatric Solid Tumor",
        "Germ Cell Tumor",
        "Retinoblastoma",
        "Hepatoblastoma",
        "Wilms Tumor",
        "Rhabdoid Tumor",
        "Carcinoma",
        "Osteosarcoma",
        "Ewing Sarcoma",
        "Rhabdomyosarcoma",
        "Synovial Sarcoma",
        "Clear Cell Sarcoma",
        "Malignant Peripheral Nerve Sheath Tumors",
        "Desmoplastic Small Round Cell Tumor",
        "Soft Tissue Sarcoma",
        "Neuroblastoma",
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "second generation 4-1BBζ B7H3-EGFRt-DHFR",
          "type": "BIOLOGICAL"
        },
        {
          "name": "second generation 4-1BBζ B7H3-EGFRt-DHFR(selected) and a second generation 4-1BBζ CD19-Her2tG",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "0 Years to 26 Years"
      },
      "enrollment_count": 68,
      "start_date": "2020-07-13",
      "completion_date": "2040-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04483778"
    },
    {
      "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": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048984"
    },
    {
      "nct_id": "NCT04183062",
      "title": "BIO-11006 for Osteosarcoma and Ewing's Sarcoma Lung Metastases",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteosarcoma Metastatic",
        "Ewing's Sarcoma Metastatic"
      ],
      "interventions": [
        {
          "name": "Chemotherapy (gemcitabine & docetaxel) plus BIO-11006",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nicklaus Children's Hospital f/k/a Miami Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "5 Years to 21 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-10-04",
      "completion_date": "2021-12-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-08",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04183062"
    },
    {
      "nct_id": "NCT00020267",
      "title": "Vaccine Therapy in Treating Patients With Metastatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer",
        "Adult Soft Tissue Sarcoma",
        "Colorectal Cancer",
        "Bone Cancer",
        "Ovarian Sarcoma",
        "Melanoma",
        "Colon Cancer",
        "Rectal Cancer",
        "Breast Cancer",
        "Eye Cancer",
        "Uterine Sarcoma"
      ],
      "interventions": [
        {
          "name": "interleukin-2",
          "type": "DRUG"
        },
        {
          "name": "MAGE-12 peptide vaccine",
          "type": "DRUG"
        },
        {
          "name": "Montanide ISA-51",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2000-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020267"
    },
    {
      "nct_id": "NCT01614795",
      "title": "Cixutumumab and Temsirolimus in Treating Younger Patients With Recurrent or Refractory Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Childhood Alveolar Soft Part Sarcoma",
        "Childhood Angiosarcoma",
        "Childhood Epithelioid Sarcoma",
        "Childhood Fibrosarcoma",
        "Childhood Gliosarcoma",
        "Childhood Leiomyosarcoma",
        "Childhood Liposarcoma",
        "Childhood Malignant Peripheral Nerve Sheath Tumor",
        "Childhood Synovial Sarcoma",
        "Previously Treated Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Rhabdomyosarcoma",
        "Recurrent Childhood Soft Tissue Sarcoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Osteosarcoma",
        "Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Cixutumumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Temsirolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "1 Year to 30 Years"
      },
      "enrollment_count": 46,
      "start_date": "2012-06-18",
      "completion_date": "2014-04-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-11",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 74,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Loma Linda, California + 62 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01614795"
    },
    {
      "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": "2026-07-23T03:15:40.131Z",
      "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": "NCT01204450",
      "title": "Temsirolimus and Valproic Acid in Treating Young Patients With Relapsed Neuroblastoma, Bone Sarcoma, or Soft Tissue Sarcoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Neuroblastoma",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Temsirolimus",
          "type": "DRUG"
        },
        {
          "name": "Valproic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 7,
      "start_date": "2009-11",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2016-12-23",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Charlotte, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01204450"
    },
    {
      "nct_id": "NCT04195555",
      "title": "Ivosidenib in Treating Patients With Advanced Solid Tumors, Lymphoma, or Histiocytic Disorders With IDH1 Mutations (A Pediatric MATCH Treatment Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "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 Rhabdoid Tumor",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Recurrent WHO Grade 2 Glioma",
        "Refractory Ependymoma",
        "Refractory Ewing Sarcoma",
        "Refractory Hepatoblastoma",
        "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 Rhabdomyosarcoma",
        "Refractory Soft Tissue Sarcoma",
        "Refractory WHO Grade 2 Glioma",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Ivosidenib",
          "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": 3,
      "start_date": "2020-07-20",
      "completion_date": "2027-05-09",
      "has_results": true,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 171,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 129 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/NCT04195555"
    },
    {
      "nct_id": "NCT00330421",
      "title": "Sorafenib in Treating Patients With Soft Tissue Sarcomas (Extremity Sarcoma Closed to Entry as of 5/30/07)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Metastatic Osteosarcoma",
        "Recurrent Adult Soft Tissue Sarcoma",
        "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Osteosarcoma",
        "Stage I Adult Soft Tissue Sarcoma",
        "Stage II Adult Soft Tissue Sarcoma",
        "Stage III Adult Soft Tissue Sarcoma",
        "Stage IV Adult Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "sorafenib tosylate",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "dynamic contrast-enhanced magnetic resonance imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2006-06",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2014-04-30",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00330421"
    },
    {
      "nct_id": "NCT00084695",
      "title": "Umbilical Cord Blood for Stem Cell Transplantation in Treating Young Patients With Malignant or Nonmalignant Diseases",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Childhood Langerhans Cell Histiocytosis",
        "Fanconi Anemia",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Neuroblastoma",
        "Sarcoma",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 25,
      "start_date": "2003-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-01-10",
      "last_synced_at": "2026-07-23T03:15:40.131Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084695"
    }
  ]
}