{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Transformed+Chronic+Lymphocytic+Leukemia&page=2",
    "query": {
      "condition": "Refractory Transformed Chronic Lymphocytic Leukemia",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+Transformed+Chronic+Lymphocytic+Leukemia&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T09:12:32.991Z",
  "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": "NCT00852709",
      "title": "Phase I Dose-Escalation Trial of Clofarabine Followed by Escalating Doses of Fractionated Cyclophosphamide in Children With Relapsed or Refractory Acute Leukemias",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Myelodysplastic Syndrome",
        "Acute Myeloid Leukemia",
        "Myeloproliferative Disorders",
        "Acute Lymphocytic Leukemia",
        "Acute Promyelocytic Leukemia",
        "Acute Leukemia",
        "Chronic Myelogenous Leukemia",
        "Myelofibrosis",
        "Chronic Myelomonocytic Leukemia",
        "Juvenile Myelomonocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Clofarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 35,
      "start_date": "2007-09-01",
      "completion_date": "2009-11-20",
      "has_results": false,
      "last_update_posted_date": "2018-02-15",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Aurora, Colorado • Gainesville, Florida + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852709"
    },
    {
      "nct_id": "NCT01858740",
      "title": "Selective Depletion of CD45RA+ T Cells From Allogeneic Peripheral Blood Stem Cell Grafts in Preventing GVHD in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Acute Biphenotypic Leukemia",
        "Acute Leukemia of Ambiguous Lineage",
        "Acute Undifferentiated Leukemia",
        "Adult Acute Lymphoblastic Leukemia in Remission",
        "Adult Acute Myeloid Leukemia in Remission",
        "Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Myelodysplastic Syndrome With Excess Blasts-1",
        "Myelodysplastic Syndrome With Excess Blasts-2",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid Leukemia",
        "Refractory Adult Acute Lymphoblastic Leukemia",
        "Refractory Childhood Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "T Cell-Depleted Hematopoietic Stem Cell Transplantation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Thiotepa",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-04-10",
      "completion_date": "2023-07-30",
      "has_results": true,
      "last_update_posted_date": "2024-03-12",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01858740"
    },
    {
      "nct_id": "NCT00383474",
      "title": "Tipifarnib and Bortezomib in Treating Patients With Acute Leukemia or Chronic Myelogenous Leukemia in Blast Phase",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Acute Basophilic Leukemia",
        "Adult Acute Eosinophilic Leukemia",
        "Adult Acute Megakaryoblastic Leukemia",
        "Adult Acute Monoblastic Leukemia",
        "Adult Acute Monocytic Leukemia",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11",
        "Adult Acute Myeloid Leukemia With Maturation",
        "Adult Acute Myeloid Leukemia With Minimal Differentiation",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13.1;q22); CBFB-MYH11",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22); RUNX1-RUNX1T1",
        "Adult Acute Myeloid Leukemia With t(9;11)(p22;q23); MLLT3-MLL",
        "Adult Acute Myeloid Leukemia Without Maturation",
        "Adult Acute Myelomonocytic Leukemia",
        "Adult Erythroleukemia",
        "Adult Pure Erythroid Leukemia",
        "Blastic Phase",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Disease",
        "Untreated Adult Acute Lymphoblastic Leukemia",
        "Untreated Adult Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Bortezomib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Tipifarnib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2006-08",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2015-04-15",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00383474"
    },
    {
      "nct_id": "NCT00813501",
      "title": "Immunologic Diagnostic Blood Test in Predicting Side-Effects in Patients Undergoing a Donor Stem Cell Transplant for Hematologic Cancer or Other Diseases",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Infection",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic-Myeloproliferative Diseases",
        "Neuroblastoma",
        "Therapy-related Toxicity"
      ],
      "interventions": [
        {
          "name": "immunosuppressive therapy",
          "type": "BIOLOGICAL"
        },
        {
          "name": "immunological diagnostic method",
          "type": "OTHER"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2008-06",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00813501"
    },
    {
      "nct_id": "NCT00004061",
      "title": "Biological Therapy in Treating Patients Undergoing Radiation Therapy, Chemotherapy, and Peripheral Stem Cell Transplantation for Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Oral Complications"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "palifermin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 111,
      "start_date": "1999-05",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004061"
    },
    {
      "nct_id": "NCT00064311",
      "title": "Ravuconazole in Preventing Fungal Infections in Patients Undergoing Allogeneic Stem Cell Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Chronic Myeloproliferative Disorders",
        "Gestational Trophoblastic Tumor",
        "Infection",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neuroblastoma",
        "Ovarian Cancer",
        "Testicular Germ Cell Tumor"
      ],
      "interventions": [
        {
          "name": "ravuconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2003-06",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00064311"
    },
    {
      "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": "2026-06-11T09:12:32.991Z",
      "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": "NCT06735664",
      "title": "Zanubrutinib in Combination With Odronextamab for the Treatment of Patients With Richter's Transformation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Transformed Chronic Lymphocytic Leukemia",
        "Refractory Transformed Chronic Lymphocytic Leukemia",
        "Richter Syndrome",
        "Transformed Chronic Lymphocytic Leukemia to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Odronextamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Zanubrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2025-08-14",
      "completion_date": "2027-12-13",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06735664"
    },
    {
      "nct_id": "NCT00161187",
      "title": "Irradiated Donor Lymphocyte Infusion in Treating Patients With Relapsed or Refractory Hematologic Cancer or Solid Tumor",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Medicine and Dentistry of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 37,
      "start_date": "2001-05",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2015-11-06",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00161187"
    },
    {
      "nct_id": "NCT00003693",
      "title": "Dolastatin 10 in Treating Patients With Refractory or Relapsed Acute Leukemia, Myelodysplastic Syndrome, or Chronic Myelogenous Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Dolastatin 10",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "1998-12-18",
      "completion_date": "2001-10-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-06-11T09:12:32.991Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003693"
    }
  ]
}