{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=12",
    "query": {
      "condition": "Histiocytic Syndrome",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 377,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T22:49:14.118Z",
  "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": "NCT02089724",
      "title": "Long-term Outcome After Vemurafenib / BRAF Inhibitors Interruption in Erdheim-chester Disease",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Erdheim-Chester Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Groupe Hospitalier Pitie-Salpetriere",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2014-03",
      "completion_date": "2019-04",
      "has_results": false,
      "last_update_posted_date": "2016-10-28",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02089724"
    },
    {
      "nct_id": "NCT00993694",
      "title": "Methemoglobinemia in Young Patients With Hematologic Cancer or Aplastic Anemia Treated With Dapsone",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Methemoglobinemia",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Nonmalignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "dapsone",
          "type": "DRUG"
        },
        {
          "name": "medical chart review",
          "type": "OTHER"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 41,
      "start_date": "2009-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00993694"
    },
    {
      "nct_id": "NCT00008307",
      "title": "Combination Chemotherapy Followed by Donor Bone Marrow Transplant or Peripheral Stem Cell Transplant in Treating Patients With Hematologic Cancer or Genetic Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "syngeneic bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Herbert Irving Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "1 Year to 80 Years"
      },
      "enrollment_count": 52,
      "start_date": "1998-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-01-06",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00008307"
    },
    {
      "nct_id": "NCT00057811",
      "title": "Rituximab, Rasburicase, and Combination Chemotherapy in Treating Young Patients With Newly Diagnosed Advanced B-Cell Leukemia or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Childhood Burkitt Lymphoma",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Stage I Childhood Large Cell Lymphoma",
        "Stage I Childhood Small Noncleaved Cell Lymphoma",
        "Stage II Childhood Large Cell Lymphoma",
        "Stage II Childhood Small Noncleaved Cell Lymphoma",
        "Stage III Childhood Large Cell Lymphoma",
        "Stage III Childhood Small Noncleaved Cell Lymphoma",
        "Stage IV Childhood Large Cell Lymphoma",
        "Stage IV Childhood Small Noncleaved Cell Lymphoma",
        "Untreated Childhood Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "rasburicase",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "hydrocortisone sodium succinate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "1 Year to 29 Years"
      },
      "enrollment_count": 97,
      "start_date": "2004-06",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2014-09-19",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "Arcadia, California",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00057811"
    },
    {
      "nct_id": "NCT00003883",
      "title": "Itraconazole Compared With Fluconazole to Prevent Infections in Patients Undergoing Peripheral Stem Cell or Bone Marrow Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "fluconazole",
          "type": "DRUG"
        },
        {
          "name": "itraconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 578,
      "start_date": "1998-10",
      "completion_date": "2002-07",
      "has_results": false,
      "last_update_posted_date": "2010-04-02",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003883"
    },
    {
      "nct_id": "NCT00924326",
      "title": "CAR T Cell Receptor Immunotherapy for Patients With B-cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Mediastinal B-cell Lymphoma",
        "Diffuse, Large B-cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma Transformed From Follicular Lymphoma",
        "Mantle Cell"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Anti-cluster of differentiation 19 (CD19)-CAR PBL",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aldesleukin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-02-17",
      "completion_date": "2021-11-17",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00924326"
    },
    {
      "nct_id": "NCT01417520",
      "title": "Clinical and Pathophysiological Investigations Into Erdheim Chester Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myelofibrosis",
        "Gaucher Disease",
        "Pulmonary Fibrosis",
        "Hermansky-Pudlak Syndrome (HPS)",
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "2 Years to 80 Years"
      },
      "enrollment_count": 88,
      "start_date": "2011-08-01",
      "completion_date": "2019-07-24",
      "has_results": false,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01417520"
    },
    {
      "nct_id": "NCT02000310",
      "title": "Molecular and Cellular Mechanisms of Lysosomal Storage Diseases",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lysosomal Storage Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "O & O Alpan LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Day to 100 Years"
      },
      "enrollment_count": 80,
      "start_date": "2013-11",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2021-02-23",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "Fairfax, Virginia",
      "locations": [
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02000310"
    },
    {
      "nct_id": "NCT03975829",
      "title": "Pediatric Long-Term Follow-up and Rollover Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diffuse Astrocytoma",
        "Anaplastic Astrocytoma",
        "Astrocytoma",
        "Oligodendroglioma, Childhood",
        "Anaplastic Oligodendroglioma",
        "Glioblastoma",
        "Pilocytic Astrocytoma",
        "Giant Cell Astrocytoma",
        "Pleomorphic Xanthoastrocytoma",
        "Anaplastic Pleomorphic Xanthoastrocytoma",
        "Angiocentric Glioma",
        "Chordoid Glioma of Third Ventricle",
        "Gangliocytoma",
        "Ganglioglioma",
        "Anaplastic Ganglioglioma",
        "Dysplastic Gangliocytoma of Cerebrellum",
        "Desmoplastic Infantile Astrocytoma and Ganglioglioma",
        "Papillary Glioneuronal Tumor",
        "Rosette-forming Glioneuronal Tumor",
        "Central Neurocytoma",
        "Extraventricular Neurocytoma",
        "Cerebellar Liponeurocytoma",
        "Neurofibromatosis Type 1"
      ],
      "interventions": [
        {
          "name": "dabrafenib",
          "type": "DRUG"
        },
        {
          "name": "trametinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "1 Year to 99 Years"
      },
      "enrollment_count": 163,
      "start_date": "2019-11-04",
      "completion_date": "2026-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Washington D.C., District of Columbia • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03975829"
    },
    {
      "nct_id": "NCT02400463",
      "title": "A Pilot Study of Ruxolitinib in Secondary Hemophagocytic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemophagocytic Syndrome (HPS)"
      ],
      "interventions": [
        {
          "name": "Ruxolitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel 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": 6,
      "start_date": "2016-02-05",
      "completion_date": "2020-01-07",
      "has_results": true,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-10-20T22:49:14.118Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02400463"
    }
  ]
}