{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+CLL",
    "query": {
      "condition": "Refractory CLL"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 809,
    "total_pages": 81,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Refractory+CLL&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T11:41:28.296Z",
  "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": "NCT00098488",
      "title": "17-N-Allylamino-17-Demethoxygeldanamycin With or Without Rituximab in Treating Patients With Relapsed B-Cell Chronic Lymphocytic Leukemia or Prolymphocytic Leukemia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "B-cell Chronic Lymphocytic Leukemia",
        "Prolymphocytic Leukemia",
        "Refractory Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "tanespimycin",
          "type": "DRUG"
        },
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 30,
      "start_date": "2005-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00098488"
    },
    {
      "nct_id": "NCT06712810",
      "title": "Q702 for the Treatment of Patients With Hematologic Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Histiocytic Sarcoma",
        "Malignant Histiocytosis",
        "Peripheral T-Cell Lymphoma, Not Otherwise Specified",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Chronic Myelomonocytic Leukemia",
        "Recurrent Follicular Lymphoma",
        "Recurrent Langerhans Cell Histiocytosis",
        "Recurrent Lymphoplasmacytic Lymphoma",
        "Recurrent Myelodysplastic Syndrome",
        "Recurrent Myelofibrosis",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent Waldenstrom Macroglobulinemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Chronic Myelomonocytic Leukemia",
        "Refractory Erdheim-Chester Disease",
        "Refractory Follicular Lymphoma",
        "Refractory Langerhans Cell Histiocytosis",
        "Refractory Lymphoplasmacytic Lymphoma",
        "Refractory Myelodysplastic Syndrome",
        "Refractory Myelofibrosis",
        "Refractory Small Lymphocytic Lymphoma",
        "Refractory Waldenstrom Macroglobulinemia",
        "Rosai-Dorfman-Destombes Disease",
        "Primary Central Nervous System Lymphoma",
        "Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Recurrent Erdheim-Chester Disease",
        "Recurrent Fibroblastic Reticular Cell Sarcoma",
        "Recurrent Histiocytic Sarcoma",
        "Recurrent Interdigitating Dendritic Cell Sarcoma",
        "Recurrent Rosai-Dorfman-Destombes Disease",
        "Refractory Blastic Plasmacytoid Dendritic Cell Neoplasm",
        "Refractory Fibroblastic Reticular Cell Sarcoma",
        "Refractory Histiocytic Sarcoma",
        "Refractory Interdigitating Dendritic Cell Sarcoma",
        "Refractory Rosai-Dorfman-Destombes Disease"
      ],
      "interventions": [
        {
          "name": "Axl/Mer/CSF1R Inhibitor Q702",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2025-08-27",
      "completion_date": "2030-09-15",
      "has_results": false,
      "last_update_posted_date": "2025-10-10",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06712810"
    },
    {
      "nct_id": "NCT00424242",
      "title": "Pemetrexed Disodium in the Cerebrospinal Fluid of Patients With Leptomeningeal Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Metastatic Cancer",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Precancerous Condition",
        "Secondary Myelofibrosis",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 15,
      "start_date": "2007-01",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2021-09-08",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00424242"
    },
    {
      "nct_id": "NCT05672173",
      "title": "Lisocabtagene Maraleucel, Nivolumab and Ibrutinib for the Treatment of Richter's Transformation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Transformed Chronic Lymphocytic Leukemia",
        "Refractory Transformed Chronic Lymphocytic Leukemia",
        "Richter Syndrome"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Lisocabtagene Maraleucel",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 9,
      "start_date": "2023-06-02",
      "completion_date": "2026-09-10",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 2,
      "location_summary": "Duarte, California • New York, New York",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05672173"
    },
    {
      "nct_id": "NCT00303797",
      "title": "Sorafenib and Bortezomib in Treating Patients With Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Multiple Myeloma",
        "Stage III Multiple Myeloma",
        "Stage IV Chronic Lymphocytic Leukemia",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "17-N-allylamino-17-demethoxygeldanamycin/bortezomib",
          "type": "DRUG"
        },
        {
          "name": "sorafenib tosylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 50,
      "start_date": "2005-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-03-19",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00303797"
    },
    {
      "nct_id": "NCT02332980",
      "title": "Pembrolizumab Alone or With Idelalisib or Ibrutinib in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia or Other Low-Grade B-Cell Non-Hodgkin Lymphomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent B-Cell Non-Hodgkin Lymphoma",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Lymphoplasmacytic Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Nodal Marginal Zone Lymphoma",
        "Recurrent Small Lymphocytic Lymphoma",
        "Recurrent Splenic Marginal Zone Lymphoma",
        "Recurrent Waldenstrom Macroglobulinemia",
        "Refractory B-Cell Non-Hodgkin Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Refractory Follicular Lymphoma",
        "Refractory Lymphoplasmacytic Lymphoma",
        "Refractory Nodal Marginal Zone Lymphoma",
        "Refractory Small Lymphocytic Lymphoma",
        "Refractory Splenic Marginal Zone Lymphoma",
        "Refractory Waldenstrom Macroglobulinemia",
        "Richter Syndrome",
        "Waldenstrom Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        },
        {
          "name": "Idelalisib",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2015-02-19",
      "completion_date": "2022-01-04",
      "has_results": true,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02332980"
    },
    {
      "nct_id": "NCT05702853",
      "title": "Metabolically Fit CD19 CAR T-cell Therapy With CD34 Selection in Patients With CD19+ Relapsed/Refractory NHL, CLL/SLL",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "B-cell Non Hodgkin Lymphoma",
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide injection",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Injection",
          "type": "DRUG"
        },
        {
          "name": "CD19-CD34t metabolically programmed CAR transduced T-cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2023-11-06",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05702853"
    },
    {
      "nct_id": "NCT00006083",
      "title": "Dalteparin to Prevent Complications in Cancer Patients Receiving Chemotherapy Through a Catheter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cervical Cancer",
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Precancerous/Nonmalignant Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific",
        "Veno-occlusive Disease"
      ],
      "interventions": [
        {
          "name": "Fragmin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Jonsson Comprehensive 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": null,
      "start_date": "2000-04",
      "completion_date": "2000-11",
      "has_results": false,
      "last_update_posted_date": "2020-08-03",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006083"
    },
    {
      "nct_id": "NCT00965861",
      "title": "SCRI Tissue Testing Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Melanoma",
        "Myelodysplastic Syndrome",
        "Multiple Myeloma",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "Tissue Registry Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "SCRI Development Innovations, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2010-05",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-08-28",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00965861"
    },
    {
      "nct_id": "NCT00058396",
      "title": "Monoclonal Antibody in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "lumiliximab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Memorial Sloan Kettering 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": null,
      "start_date": "2002-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-07-23T11:41:28.296Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00058396"
    }
  ]
}