{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=4",
    "query": {
      "condition": "Histiocytic Syndrome",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 377,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Histiocytic+Syndrome&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T04:36:23.502Z",
  "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": "NCT02402244",
      "title": "Project: Every Child for Younger Patients With Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adrenal Gland Pheochromocytoma",
        "Carcinoma In Situ",
        "Central Nervous System Neoplasm",
        "Childhood Immature Teratoma",
        "Childhood Kidney Neoplasm",
        "Childhood Langerhans Cell Histiocytosis",
        "Childhood Mature Teratoma",
        "Congenital Mesoblastic Nephroma",
        "Desmoid Fibromatosis",
        "Ganglioneuroma",
        "Lymphoproliferative Disorder",
        "Malignant Neoplasm",
        "Malignant Solid Neoplasm",
        "Melanocytic Neoplasm",
        "Myeloproliferative Neoplasm",
        "Neoplasm of Uncertain Malignant Potential",
        "Neuroendocrine Neoplasm",
        "Stromal Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "Up to 25 Years"
      },
      "enrollment_count": 75000,
      "start_date": "2015-11-03",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 246,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 177 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02402244"
    },
    {
      "nct_id": "NCT02534844",
      "title": "VTS-270 to Treat Niemann-Pick Type C1 (NPC1) Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Niemann-Pick Disease, Type C"
      ],
      "interventions": [
        {
          "name": "Parts A/B: Adrabetadex",
          "type": "DRUG"
        },
        {
          "name": "Parts A/B: Sham Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mandos LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 56,
      "start_date": "2015-10",
      "completion_date": "2018-03-28",
      "has_results": true,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Orange, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02534844"
    },
    {
      "nct_id": "NCT00003538",
      "title": "Prevention of Graft-Versus-Host Disease in Patients Undergoing Bone Marrow Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "graft versus host disease prophylaxis/therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": null,
      "start_date": "1997-03",
      "completion_date": "2004-05",
      "has_results": false,
      "last_update_posted_date": "2014-05-02",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003538"
    },
    {
      "nct_id": "NCT01225718",
      "title": "Ceftriaxone in Non-neutropenic Fever",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Histiocytosis",
        "Pediatric Patients With Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "Up to 22 Years"
      },
      "enrollment_count": 463,
      "start_date": "2010-08",
      "completion_date": "2016-06-25",
      "has_results": false,
      "last_update_posted_date": "2017-04-17",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225718"
    },
    {
      "nct_id": "NCT01962415",
      "title": "Reduced Intensity Conditioning for Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Immunodeficiency (PID)",
        "Congenital Bone Marrow Failure Syndromes",
        "Inherited Metabolic Disorders (IMD)",
        "Hereditary Anemias",
        "Inflammatory Conditions",
        "Systemic Juvenile Idiopathic Arthritis (sJIA)",
        "Juvenile Rheumatoid Arthritis (JRA)"
      ],
      "interventions": [
        {
          "name": "Hydroxyurea",
          "type": "DRUG"
        },
        {
          "name": "Alemtuzumab",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paul Szabolcs",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "2 Months to 55 Years"
      },
      "enrollment_count": 100,
      "start_date": "2014-02-04",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01962415"
    },
    {
      "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": "2026-10-20T04:36:23.502Z",
      "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": "NCT05277272",
      "title": "INTO-HLH: A Disease Registry for Patients With Hemophagocytic Lymphohistiocytosis (HLH)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophagocytic Lymphohistiocytoses"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "2021-12-31",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05277272"
    },
    {
      "nct_id": "NCT03759639",
      "title": "N-Acetyl-L-Leucine for Niemann-Pick Disease, Type C (NPC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Niemann-Pick Disease, Type C"
      ],
      "interventions": [
        {
          "name": "IB1001",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "IntraBio Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2019-09-04",
      "completion_date": "2022-11-07",
      "has_results": true,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03759639"
    },
    {
      "nct_id": "NCT00344331",
      "title": "Evaluation of Biochemical Markers and Clinical Investigation of Niemann-Pick Disease, Type C",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Niemann-Pick Disease, Type C"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "1 Day to 120 Years"
      },
      "enrollment_count": 900,
      "start_date": "2006-08-14",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344331"
    },
    {
      "nct_id": "NCT06014762",
      "title": "P-CD19CD20-ALLO1 Allogeneic CAR-T Cells in the Treatment of Subjects With B Cell Malignancies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "High-grade B-cell Lymphoma",
        "Primary Mediastinal Large B-cell Lymphoma (PMBCL)",
        "Transformed Follicular Lymphoma (tFL)",
        "Follicular Lymphoma Grade 3B",
        "DLBCL",
        "DLBCL - Diffuse Large B Cell Lymphoma",
        "DLBCL Arising From Follicular Lymphoma",
        "DLBCL, Diffused Large B Cell Lymphoma",
        "DLBCL NOS"
      ],
      "interventions": [
        {
          "name": "P-CD19CD20-ALLO1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rimiducid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Poseida Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2024-04-16",
      "completion_date": "2041-03",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-10-20T04:36:23.502Z",
      "location_count": 16,
      "location_summary": "Loma Linda, California • Los Angeles, California • Orlando, Florida + 13 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06014762"
    }
  ]
}