{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Langerhan%27s+Cell+Histiocytosis",
    "query": {
      "condition": "Langerhan's Cell Histiocytosis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 54,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Langerhan%27s+Cell+Histiocytosis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T18:09:15.321Z",
  "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": "NCT00176826",
      "title": "T-Cell Depletion and Stem Cell Transplant for Immune Deficiencies and Histiocytic Disorders",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hemophagocytic Lymphohistiocytosis",
        "X-Linked Lymphoproliferative Disorders",
        "Chediak-Higashi Syndrome",
        "Griscelli Syndrome",
        "Immunologic Diseases",
        "Langerhans-Cell Histiocytosis",
        "Hematologic Diseases"
      ],
      "interventions": [
        {
          "name": "Stem Cell Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Myeloablative conditioning regimen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "Up to 55 Years"
      },
      "enrollment_count": 22,
      "start_date": "2000-09",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00176826"
    },
    {
      "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": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084695"
    },
    {
      "nct_id": "NCT03329274",
      "title": "Registry for Patients With Erdheim-Chester Disease and Other Histiocytoses",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Erdheim-Chester Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2017-10-26",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-01-08",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03329274"
    },
    {
      "nct_id": "NCT02523040",
      "title": "Lenalidomide for Adult Histiocyte Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Langerhans Cell Histiocytosis (LCH)",
        "Histiocytoses Erdheim-chester Disease",
        "Histiocytic Sarcoma (HS)"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2015-08",
      "completion_date": "2026-02",
      "has_results": true,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02523040"
    },
    {
      "nct_id": "NCT02061800",
      "title": "CD34+ (Malignant) Stem Cell Selection for Patients Receiving Allogenic Stem Cell Transplant",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloid Leukemia (CML)",
        "Acute Myelogenous Leukemia (AML)",
        "Myelodysplastic Syndrome (MDS)",
        "Juvenile Myelomonocytic Leukemia (JMML)",
        "Acute Lymphoblastic Leukemia (ALL)",
        "Lymphoma (Hodgkin's and Non-Hodgkin's)"
      ],
      "interventions": [
        {
          "name": "CliniMACS CD34+ Reagent System",
          "type": "DEVICE"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Alemtuzumab",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Diane George",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "Up to 22 Years"
      },
      "enrollment_count": 14,
      "start_date": "2013-06-03",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061800"
    },
    {
      "nct_id": "NCT03213678",
      "title": "Samotolisib in Treating Patients With Relapsed or Refractory Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With TSC or PI3K/MTOR Mutations (A Pediatric MATCH Treatment Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Ann Arbor Stage III Non-Hodgkin Lymphoma",
        "Ann Arbor Stage IV Non-Hodgkin Lymphoma",
        "Malignant Glioma",
        "Recurrent Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Glioma",
        "Recurrent Hepatoblastoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Malignant Germ Cell Tumor",
        "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 Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Malignant Germ Cell Tumor",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Primary Central Nervous System Neoplasm",
        "Rhabdoid Tumor",
        "Stage III Osteosarcoma AJCC v7",
        "Stage III Soft Tissue Sarcoma AJCC v7",
        "Stage IV Osteosarcoma AJCC v7",
        "Stage IV Soft Tissue Sarcoma AJCC v7",
        "Stage IVA Osteosarcoma AJCC v7",
        "Stage IVB Osteosarcoma AJCC v7",
        "Wilms Tumor"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "FDG-Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Samotolisib",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 18,
      "start_date": "2017-11-28",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 125,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 96 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03213678"
    },
    {
      "nct_id": "NCT04320888",
      "title": "Selpercatinib for the Treatment of Advanced Solid Tumors, Lymphomas, or Histiocytic Disorders With Activating RET Gene Alterations, a Pediatric MATCH Treatment Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Recurrent Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Hepatoblastoma",
        "Recurrent Histiocytic and Dendritic Cell Neoplasm",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Lymphoma",
        "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 Histiocytic and Dendritic Cell Neoplasm",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Lymphoma",
        "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": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radionuclide Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Selpercatinib",
          "type": "DRUG"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 1,
      "start_date": "2021-05-03",
      "completion_date": "2026-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 172,
      "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/NCT04320888"
    },
    {
      "nct_id": "NCT05028621",
      "title": "Molecular Basis of Langerhans and Non-Langerhans Cell Histiocytic Neoplasms and Castleman Disease",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Castleman's Disease (CD)",
        "Langerhans Cell Histiocytosis (LCH)",
        "Non-Langerhans-Cell Histiocytosis"
      ],
      "interventions": [
        {
          "name": "Genetic testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 135,
      "start_date": "2021-06-18",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05028621"
    },
    {
      "nct_id": "NCT06712810",
      "title": "Q702 for the Treatment of Patients With Hematologic Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Histiocytic Sarcoma",
        "Malignant Histiocytosis",
        "Peripheral T-Cell Lymphoma, Not Otherwise Specified",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Chronic Myelomonocytic Leukemia",
        "Recurrent Follicular Lymphoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Lymphoplasmacytic Lymphoma",
        "Recurrent Myelodysplastic Syndrome",
        "Recurrent Myelofibrosis",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent Waldenstrom Macroglobulinemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Chronic Myelomonocytic Leukemia",
        "Refractory Erdheim-Chester Disease",
        "Refractory Follicular Lymphoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Lymphoplasmacytic Lymphoma",
        "Refractory Myelodysplastic Syndrome",
        "Refractory Myelofibrosis",
        "Refractory Small Lymphocytic Lymphoma",
        "Refractory Waldenstrom Macroglobulinemia",
        "Rosai-Dorfman-Destombes Disease",
        "Primary Central Nervous System Lymphoma",
        "Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Recurrent Erdheim-Chester Disease",
        "Recurrent Fibroblastic Reticular Cell Sarcoma",
        "Recurrent Histiocytic Sarcoma",
        "Recurrent Interdigitating Dendritic Cell Sarcoma",
        "Recurrent Rosai-Dorfman-Destombes Disease",
        "Refractory Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Refractory Fibroblastic Reticular Cell Sarcoma",
        "Refractory Histiocytic Sarcoma",
        "Refractory Interdigitating Dendritic Cell Sarcoma",
        "Refractory Rosai-Dorfman-Destombes Disease"
      ],
      "interventions": [
        {
          "name": "Axl/Mer/CSF1R Inhibitor Q702",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2025-08-27",
      "completion_date": "2030-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06712810"
    },
    {
      "nct_id": "NCT03526250",
      "title": "Palbociclib in Treating Patients With Relapsed or Refractory Rb Positive Advanced Solid Tumors, Non-Hodgkin Lymphoma, or Histiocytic Disorders With Activating Alterations in Cell Cycle Genes (A Pediatric MATCH Treatment Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Malignant Solid Neoplasm",
        "Recurrent Childhood Ependymoma",
        "Recurrent Ewing Sarcoma",
        "Recurrent Glioma",
        "Recurrent Hepatoblastoma",
        "Recurrent Kidney Wilms Tumor",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Malignant Germ Cell Tumor",
        "Recurrent Malignant Glioma",
        "Recurrent Medulloblastoma",
        "Recurrent Neuroblastoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Osteosarcoma",
        "Recurrent Peripheral Primitive Neuroectodermal Tumor",
        "Recurrent Rhabdoid Tumor",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Soft Tissue Sarcoma",
        "Refractory Ependymoma",
        "Refractory Ewing Sarcoma",
        "Refractory Glioma",
        "Refractory Hepatoblastoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Malignant Germ Cell Tumor",
        "Refractory Malignant Glioma",
        "Refractory Medulloblastoma",
        "Refractory Neuroblastoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Osteosarcoma",
        "Refractory Peripheral Primitive Neuroectodermal Tumor",
        "Refractory Rhabdoid Tumor",
        "Refractory Rhabdomyosarcoma",
        "Refractory Soft Tissue Sarcoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 23,
      "start_date": "2018-08-13",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-06-10T18:09:15.321Z",
      "location_count": 115,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 93 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/NCT03526250"
    }
  ]
}