{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=18",
    "query": {
      "condition": "Chronic Lymphocytic Leukemia (CLL) - Refractory",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 802,
    "total_pages": 81,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T04:23:14.414Z",
  "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": "NCT01300026",
      "title": "AMG 319 Lymphoid Malignancy FIH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer",
        "Chronic Lymphocytic Leukemia",
        "Diffuse Large Cell Lymphoma",
        "Hematologic Malignancies",
        "Hematology",
        "Leukemia",
        "Low Grade Lymphoma",
        "Lymphoma",
        "Mantle Cell Lymphoma",
        "Non-Hodgkin's Lymphoma",
        "Oncology",
        "Oncology Patients",
        "T Cell Lymphoma",
        "Tumors"
      ],
      "interventions": [
        {
          "name": "AMG 319",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2011-04",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 3,
      "location_summary": "Hackensack, New Jersey • Durham, North Carolina • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01300026"
    },
    {
      "nct_id": "NCT00438958",
      "title": "Sibling Donor Peripheral Stem Cell Transplant or Sibling Donor Bone Marrow Transplant in Treating Patients With Hematologic Cancers or Other Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Secondary Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "The Canadian Blood and Marrow Transplant Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 230,
      "start_date": "2007-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-03-05",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00438958"
    },
    {
      "nct_id": "NCT00006348",
      "title": "Ondansetron in Treating Patients With Advanced Cancer and Chronic Nausea and Vomiting Not Caused by Cancer Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Nausea and Vomiting",
        "Precancerous Condition",
        "Small Intestine Cancer",
        "Unspecified Adult Solid Tumor, Protocol Specific",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "ondansetron",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 100,
      "start_date": "2000-10",
      "completion_date": "2001-09",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 12,
      "location_summary": "Scottsdale, Arizona • Urbana, Illinois • Des Moines, Iowa + 9 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006348"
    },
    {
      "nct_id": "NCT06973187",
      "title": "A Study to Evaluate the Safety and Efficacy of Tacabrutideg (BGB-16673) Compared to Pirtobrutinib in Adults With Relapsed/Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tacabrutideg",
          "type": "DRUG"
        },
        {
          "name": "Pirtobrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BeOne Medicines",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2025-09-04",
      "completion_date": "2028-04-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 49,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Irvine, California + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06973187"
    },
    {
      "nct_id": "NCT03019055",
      "title": "Study of CAR-20/19-T Cells in Patients With Relapsed Refractory B Cell",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lymphoma, Non-Hodgkin",
        "Lymphoma, B-Cell",
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "CAR-20/19-T cells (1.0 x10^5 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells (2.5 x10^5 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells (7.5 x10^5 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "CAR-20/19-T cells (2.5 x10^6 CAR-20/19-T cells/kg)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 26,
      "start_date": "2017-10-16",
      "completion_date": "2021-08-24",
      "has_results": true,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03019055"
    },
    {
      "nct_id": "NCT00081887",
      "title": "Study of Weekly Clofarabine for the Treatment of Relapsed/Refractory Chronic Lymphocytic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "Clofarabine",
          "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": 8,
      "start_date": "2004-05",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2012-08-01",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00081887"
    },
    {
      "nct_id": "NCT00245037",
      "title": "Busulfan, Fludarabine, and Total-Body Irradiation in Treating Patients Who Are Undergoing a Donor Stem Cell Transplant for Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Body Irradiation (TBI)",
          "type": "RADIATION"
        },
        {
          "name": "Granulocyte colony-stimulating factor (G-CSF)",
          "type": "DRUG"
        },
        {
          "name": "Phenytoin",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 147,
      "start_date": "2005-06",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-09-27",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00245037"
    },
    {
      "nct_id": "NCT03479268",
      "title": "Pevonedistat and Ibrutinib in Treating Participants With Relapsed or Refractory CLL or Non-Hodgkin Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "B-Cell Prolymphocytic Leukemia",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Diffuse Large B-Cell Lymphoma",
        "Recurrent Follicular Lymphoma",
        "Recurrent Lymphoplasmacytic Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Diffuse Large B-Cell Lymphoma",
        "Refractory Follicular Lymphoma",
        "Refractory Lymphoplasmacytic Lymphoma",
        "Refractory Mantle Cell Lymphoma",
        "Refractory Marginal Zone Lymphoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Small Lymphocytic Lymphoma",
        "Richter Syndrome"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pevonedistat",
          "type": "DRUG"
        },
        {
          "name": "Pharmacokinetic Study",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "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": 18,
      "start_date": "2018-04-27",
      "completion_date": "2026-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Buffalo, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03479268"
    },
    {
      "nct_id": "NCT02481297",
      "title": "Lirilumab With Rituximab for Relapsed, Refractory or High-risk Untreated Chronic Lymphocytic Leukemia (CLL) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Chronic Lymphocytic Leukemia",
        "Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Lirilumab",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2015-06-23",
      "completion_date": "2019-08-15",
      "has_results": true,
      "last_update_posted_date": "2020-05-28",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02481297"
    },
    {
      "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": "2026-09-16",
      "last_synced_at": "2026-10-15T04:23:14.414Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06735664"
    }
  ]
}