{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukocyte+Disease&page=20",
    "query": {
      "condition": "Leukocyte Disease",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 618,
    "total_pages": 62,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukocyte+Disease&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Leukocyte+Disease&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T18:37:18.153Z",
  "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": "NCT02231879",
      "title": "Plerixafor Versus G-CSF in the Treatment of People With WHIM Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Myelokathexis",
        "Infections",
        "Neutropenia",
        "Warts",
        "Hypogammaglobulinemia"
      ],
      "interventions": [
        {
          "name": "Plerixafor",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "10 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-10-14",
      "completion_date": "2021-02-24",
      "has_results": true,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02231879"
    },
    {
      "nct_id": "NCT01808196",
      "title": "Testing Effectiveness of Losartan in Patients With EoE With or Without a CTD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eosinophilic Esophagitis",
        "Connective Tissue Disorders"
      ],
      "interventions": [
        {
          "name": "Losartan Potassium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "5 Years to 21 Years"
      },
      "enrollment_count": 6,
      "start_date": "2013-10-10",
      "completion_date": "2015-02-13",
      "has_results": true,
      "last_update_posted_date": "2020-09-24",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 1,
      "location_summary": "Mason, Ohio",
      "locations": [
        {
          "city": "Mason",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808196"
    },
    {
      "nct_id": "NCT01022970",
      "title": "Efficacy and Safety of QAX576 in Patients With Eosinophilic Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "QAX576 placebo",
          "type": "DRUG"
        },
        {
          "name": "QAX576",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 25,
      "start_date": "2009-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2021-03-11",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 5,
      "location_summary": "Stanford, California • Chicago, Illinois • Minneota, Minnesota + 2 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneota",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Springfield",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01022970"
    },
    {
      "nct_id": "NCT04309786",
      "title": "Somatization, Anxiety, and Disordered Sleep in Pediatric Eosinophilic Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 98,
      "start_date": "2019-04-11",
      "completion_date": "2021-04-26",
      "has_results": false,
      "last_update_posted_date": "2022-10-21",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04309786"
    },
    {
      "nct_id": "NCT00220766",
      "title": "Rapid Infusion of Immune Globulin Intravenous (Human) In Primary Immunodeficiency Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Immunologic Deficiency Syndrome",
        "Agammaglobulinemia",
        "Severe Combined Immunodeficiency",
        "Wiskott-Aldrich Syndrome",
        "Common Variable Immunodeficiency"
      ],
      "interventions": [
        {
          "name": "Immune Globulin Intravenous [Human], 10% Caprylate/Chromatography Purified",
          "type": "DRUG"
        },
        {
          "name": "Dextrose, 5% in Water",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 100,
      "start_date": "2002-08",
      "completion_date": "2004-03",
      "has_results": false,
      "last_update_posted_date": "2009-09-25",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Denver, Colorado • Washington D.C., District of Columbia + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "North Palm Beach",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00220766"
    },
    {
      "nct_id": "NCT04612790",
      "title": "A Study to Investigate the Use of Benralizumab in Patients With Bullous Pemphigoid.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bullous Pemphigoid"
      ],
      "interventions": [
        {
          "name": "Benralizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 67,
      "start_date": "2021-03-31",
      "completion_date": "2023-10-26",
      "has_results": true,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Centennial, Colorado + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Centennial",
          "state": "Colorado"
        },
        {
          "city": "Margate",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04612790"
    },
    {
      "nct_id": "NCT04322708",
      "title": "A Study of Lirentelimab (AK002) in Patients With Active Eosinophilic Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "lirentelimab (AK002)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Allakos Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "12 Years to 80 Years"
      },
      "enrollment_count": 277,
      "start_date": "2020-07-06",
      "completion_date": "2022-01-18",
      "has_results": true,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 73,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Gilbert, Arizona + 62 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04322708"
    },
    {
      "nct_id": "NCT02190721",
      "title": "A Study to Evaluate 5 μg/kg Tbo-filgrastim in Infants, Children and Adolescents With Solid Tumors Without Bone Marrow Involvement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "tbo-filgrastim",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Teva Branded Pharmaceutical Products R&D, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "1 Month to 16 Years"
      },
      "enrollment_count": 50,
      "start_date": "2015-05-12",
      "completion_date": "2017-04-04",
      "has_results": true,
      "last_update_posted_date": "2021-12-10",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 7,
      "location_summary": "Long Beach, California • Los Angeles, California • Jackson, Mississippi + 4 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Valhalla",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02190721"
    },
    {
      "nct_id": "NCT05774184",
      "title": "A Study of CDX-0159 in Patients With Eosinophilic Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "barzolvolimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Celldex Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2023-06-01",
      "completion_date": "2026-01-23",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Sun City, Arizona + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Sun City",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05774184"
    },
    {
      "nct_id": "NCT01953016",
      "title": "Participation in a Research Registry for Immune Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Immunodeficiencies",
        "APECED",
        "CGD",
        "Wiskott-Aldrich Syndrome",
        "SCID"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Month and older"
      },
      "enrollment_count": 716,
      "start_date": "2013-09-30",
      "completion_date": "2023-07-19",
      "has_results": false,
      "last_update_posted_date": "2023-07-20",
      "last_synced_at": "2026-10-15T18:37:18.153Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953016"
    }
  ]
}