{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukopenia",
    "query": {
      "condition": "Leukopenia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 174,
    "total_pages": 18,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukopenia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:14:11.987Z",
  "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": "NCT03837483",
      "title": "A Clinical Study to Evaluate the Use of a Cryopreserved Formulation of OTL-103 in Subjects With Wiskott-Aldrich Syndrome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Wiskott-Aldrich Syndrome"
      ],
      "interventions": [
        {
          "name": "OTL-103",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Fondazione Telethon",
      "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": "2019-01-21",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03837483"
    },
    {
      "nct_id": "NCT00730314",
      "title": "Unrelated Hematopoietic Stem Cell Transplantation(HSCT) for Genetic Diseases of Blood Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "Anemia",
        "Granuloma",
        "Wiskott-Aldrich Syndrome",
        "Chediak Higashi Syndrome",
        "Osteopetrosis",
        "Neutropenia",
        "Thrombocytopenia",
        "Hurler Disease",
        "Niemann-Pick Disease",
        "Fucosidosis"
      ],
      "interventions": [
        {
          "name": "Hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "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": "2008-08",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2016-06-23",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00730314"
    },
    {
      "nct_id": "NCT00909584",
      "title": "Study of Ezatiostat (Telintra Tablets) for Treatment of Severe Chronic Neutropenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Severe Chronic Neutropenia"
      ],
      "interventions": [
        {
          "name": "Ezatiostat Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Telik",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2009-04",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-11-25",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 4,
      "location_summary": "Bethesda, Maryland • Ann Arbor, Michigan • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909584"
    },
    {
      "nct_id": "NCT00477321",
      "title": "Safety Study of IL-7 in HIV-infected Patients (Inspire)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections",
        "Lymphopenia"
      ],
      "interventions": [
        {
          "name": "CYT 107",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cytheris SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2007-05",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2012-10-18",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Bethesda, Maryland • Cleveland, Ohio",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00477321"
    },
    {
      "nct_id": "NCT00066599",
      "title": "Voriconazole in Preventing Fungal Infections in Children With Neutropenia After Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neuroblastoma",
        "Neutropenia",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "voriconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "2 Years to 11 Years"
      },
      "enrollment_count": null,
      "start_date": "2003-06",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2013-06-19",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 7,
      "location_summary": "Orange, California • San Diego, California • Bethesda, Maryland + 4 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066599"
    },
    {
      "nct_id": "NCT04904614",
      "title": "Letermovir Use in Heart Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cytomegalovirus Disease",
        "Cytomegalovirus Infections",
        "Heart Transplant Infection",
        "Antiviral Toxicity",
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-01-05",
      "completion_date": "2025-01-14",
      "has_results": true,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904614"
    },
    {
      "nct_id": "NCT04528355",
      "title": "Data Collection Study of Patients With Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT With RIC",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Immunodeficiency (PID)",
        "Congenital Bone Marrow Failure Syndromes",
        "Inherited Metabolic Disorders (IMD)",
        "Hereditary Anemias",
        "Inflammatory Conditions"
      ],
      "interventions": [
        {
          "name": "data collection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paul Szabolcs",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "2 Months to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2020-08-20",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04528355"
    },
    {
      "nct_id": "NCT01724866",
      "title": "Phase 2 Study of SPI-2012 or Pegfilgrastim for the Management of Neutropenia in Participants With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "SPI-2012",
          "type": "DRUG"
        },
        {
          "name": "Pegfilgrastim",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Spectrum Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2013-03-25",
      "completion_date": "2014-08-12",
      "has_results": true,
      "last_update_posted_date": "2022-04-15",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 10,
      "location_summary": "Glendale, Arizona • Scottsdale, Arizona • Fresno, California + 7 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Highland",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01724866"
    },
    {
      "nct_id": "NCT02766634",
      "title": "A Research Study To Test How Multiple Doses Of Filgrastim Hospira Works In The Body Of Healthy Study Subjects When Given by Subcutaneous Injection (SC) (Shot) Compared To An Already U.S.-Approved Drug Neupogen® (Amgen)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neutropenia (Low White Blood Cell Count)"
      ],
      "interventions": [
        {
          "name": "Filgrastim Hospira (US)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "U.S.-approved Neupogen®",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2016-03",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-21",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 2,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02766634"
    },
    {
      "nct_id": "NCT05622058",
      "title": "A Study of ALRN-6924 for Protection of Chemotherapy-Induced Side Effects in Patients With TP53-Mutant Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prevention of Chemotherapy-induced Myelosuppression"
      ],
      "interventions": [
        {
          "name": "ALRN-6924",
          "type": "DRUG"
        },
        {
          "name": "TAC (doxorubicin 50 mg/m2; cyclophosphamide 500 mg/m2; docetaxel 75 mg/m2)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aileron 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": 6,
      "start_date": "2023-01-09",
      "completion_date": "2023-02-22",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-05-22T09:14:11.987Z",
      "location_count": 5,
      "location_summary": "Tamarac, Florida • Huntersville, North Carolina • Wilson, North Carolina + 2 more",
      "locations": [
        {
          "city": "Tamarac",
          "state": "Florida"
        },
        {
          "city": "Huntersville",
          "state": "North Carolina"
        },
        {
          "city": "Wilson",
          "state": "North Carolina"
        },
        {
          "city": "Canton",
          "state": "Ohio"
        },
        {
          "city": "Gettysburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05622058"
    }
  ]
}