{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Familial+Erythrophagocytic+Lymphohistiocytosis",
    "query": {
      "condition": "Familial Erythrophagocytic Lymphohistiocytosis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:05:51.290Z",
  "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": "NCT01494103",
      "title": "Administration of Donor T Cells With the Caspase-9 Suicide Gene",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Myelodysplastic Syndrome",
        "Acute Myeloid Leukemia",
        "Chronic Myelogenous Leukemia",
        "Non Hodgkin Lymphoma",
        "Hemophagocytic Lymphohistiocytosis",
        "Familial Hemophagocytic Lymphohistiocytosis",
        "Hemophagocytic Syndrome",
        "Epstein Barr Virus Infection",
        "X-linked Lymphoproliferative Disease"
      ],
      "interventions": [
        {
          "name": "iCaspase9-transduced T cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AP1903",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2011-11",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2025-07-11",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01494103"
    },
    {
      "nct_id": "NCT00006054",
      "title": "Allogeneic Bone Marrow Transplantation in Patients With Primary Immunodeficiencies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immunologic Deficiency Syndromes",
        "Chediak-Higashi Syndrome",
        "Common Variable Immunodeficiency",
        "Graft Versus Host Disease",
        "X-Linked Lymphoproliferative Syndrome",
        "Familial Erythrophagocytic Lymphohistiocytosis",
        "Hemophagocytic Lymphohistiocytosis",
        "X-linked Agammaglobulinemia",
        "Wiskott-Aldrich Syndrome",
        "Chronic Granulomatous Disease",
        "X-linked Hyper IgM Syndrome",
        "Severe Combined Immunodeficiency",
        "Leukocyte Adhesion Deficiency Syndrome",
        "Virus-Associated Hemophagocytic Syndrome"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "DRUG"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "Allogeneic Bone Marrow Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Fairview University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "Up to 35 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-03",
      "completion_date": "2002-12",
      "has_results": false,
      "last_update_posted_date": "2009-10-15",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006054"
    },
    {
      "nct_id": "NCT03827343",
      "title": "Retrospective Study of Immunotherapy Related Toxicities and Factors Impacting Outcomes in Children and Adults With Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Macrophage Activation Syndrome",
        "Primary Hemophagocytic Lymphohistiocytosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "1 Month to 120 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-01-23",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03827343"
    },
    {
      "nct_id": "NCT00006056",
      "title": "Pilot Study of Unrelated Donor Hematopoietic Stem Cell Transplantation in Patients With Life Threatening Hemophagocytic Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chediak-Higashi Syndrome",
        "Graft Versus Host Disease",
        "X-Linked Lymphoproliferative Syndrome",
        "Familial Erythrophagocytic Lymphohistiocytosis",
        "Hemophagocytic Lymphohistiocytosis",
        "Virus-Associated Hemophagocytic Syndrome"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "DRUG"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Fairview University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "0 Years to 55 Years"
      },
      "enrollment_count": 40,
      "start_date": "2000-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006056"
    },
    {
      "nct_id": "NCT01818492",
      "title": "Study to Investigate Safety, Efficacy of an Anti-IFNγ mAb in Children With Primary Haemophagocytic Lymphohistiocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Primary Haemophagocytic Lymphohistiocytosis"
      ],
      "interventions": [
        {
          "name": "NI-0501",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Swedish Orphan Biovitrum",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 45,
      "start_date": "2013-07",
      "completion_date": "2019-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 8,
      "location_summary": "Aurora, Colorado • Wilmington, Delaware • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01818492"
    },
    {
      "nct_id": "NCT00710892",
      "title": "CASPALLO: Allodepleted T Cells Transduced With Inducible Caspase 9 Suicide Gene",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Non-Hodgkin's Lymphoma",
        "Myelodysplastic Syndrome",
        "Chronic Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Allodepleted T Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2008-12",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-07-11",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710892"
    },
    {
      "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": "2026-05-22T04:05:51.290Z",
      "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": "NCT00368355",
      "title": "T Cell Depletion for Recipients of HLA Haploidentical Related Donor Stem Cell Grafts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Non Hodgkins Lymphoma",
        "Myelodysplastic Syndrome",
        "Acute Myeloid Leukemia",
        "Chronic Myelogenous Leukemia",
        "Hemophagocytic Lymphohistiocytosis (HLH)",
        "Familial Hemophagocytic Lymphohistiocytosis (FLH)",
        "Viral-associated Hemophagocytic Syndrome (VAHS)",
        "X-linked Lymphoproliferative Disease (XLP)"
      ],
      "interventions": [
        {
          "name": "Ara-C",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Campath-1H",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Stem Cell Infusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "Up to 55 Years"
      },
      "enrollment_count": 46,
      "start_date": "2000-04",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2020-01-21",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00368355"
    },
    {
      "nct_id": "NCT01966367",
      "title": "CD34+ (Non-Malignant) Stem Cell Selection for Patients Receiving Allogeneic Stem Cell Transplantation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Bone Marrow Failure Syndrome",
        "Severe Aplastic Anemia",
        "Severe Congenital Neutropenia",
        "Amegakaryocytic Thrombocytopenia",
        "Diamond-Blackfan Anemia",
        "Schwachman Diamond Syndrome",
        "Primary Immunodeficiency Syndromes",
        "Acquired Immunodeficiency Syndromes",
        "Histiocytic Syndrome",
        "Familial Hemophagocytic Lymphocytosis",
        "Lymphohistiocytosis",
        "Macrophage Activation Syndrome",
        "Langerhans Cell Histiocytosis (LCH)",
        "Hemoglobinopathies",
        "Sickle Cell Disease",
        "Sickle Cell-beta-thalassemia"
      ],
      "interventions": [
        {
          "name": "CD34 Stem Cell Selection Therapy",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Diane George",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "Up to 40 Years"
      },
      "enrollment_count": 37,
      "start_date": "2013-03",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01966367"
    },
    {
      "nct_id": "NCT03312751",
      "title": "Study to Assess the Efficacy and Safety of Emapalumab in Primary Haemophagocytic Lymphohistiocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Hemophagocytic Lymphohistiocytosis"
      ],
      "interventions": [
        {
          "name": "Emapalumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Swedish Orphan Biovitrum",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 35,
      "start_date": "2019-02-06",
      "completion_date": "2022-09-14",
      "has_results": true,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-05-22T04:05:51.290Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03312751"
    }
  ]
}