{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=20",
    "query": {
      "condition": "Chronic Lymphocytic Leukemia (CLL) - Refractory",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "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=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T06:59:59.317Z",
  "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": "NCT01241786",
      "title": "Study Examining the Combination of Revlimid (Lenalidomide)and Vidaza (Azacitidine) for Relapsed/Refractory CLL and SLL",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia(CLL)",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Revlimid",
          "type": "DRUG"
        },
        {
          "name": "Azacitidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2010-07",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2022-07-20",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01241786"
    },
    {
      "nct_id": "NCT00101205",
      "title": "Oxaliplatin, Ifosfamide and Etoposide in Treating Young Patients With Recurrent or Refractory Solid Tumors or Lymphoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Angioimmunoblastic T-cell Lymphoma",
        "B-cell Childhood Acute Lymphoblastic Leukemia",
        "B-cell Chronic Lymphocytic Leukemia",
        "Childhood Burkitt Lymphoma",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Grade III Lymphomatoid Granulomatosis",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Childhood Nasal Type Extranodal NK/T-cell Lymphoma",
        "Hepatosplenic T-cell Lymphoma",
        "Intraocular Lymphoma",
        "Noncutaneous Extranodal Lymphoma",
        "Peripheral T-cell Lymphoma",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Anaplastic Large Cell Lymphoma",
        "Recurrent Childhood Grade III Lymphomatoid Granulomatosis",
        "Recurrent Childhood Large Cell Lymphoma",
        "Recurrent Childhood Lymphoblastic Lymphoma",
        "Recurrent Childhood Small Noncleaved Cell Lymphoma",
        "Recurrent Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent/Refractory Childhood Hodgkin Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Hairy Cell Leukemia",
        "Small Intestine Lymphoma",
        "T-cell Childhood Acute Lymphoblastic Leukemia",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 40,
      "start_date": "2004-11",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-02-24",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00101205"
    },
    {
      "nct_id": "NCT02948283",
      "title": "Metformin Hydrochloride and Ritonavir in Treating Patients With Relapsed or Refractory Multiple Myeloma or Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia",
        "Fatigue",
        "Fever",
        "Lymphadenopathy",
        "Lymphocytosis",
        "Night Sweats",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent Plasma Cell Myeloma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Plasma Cell Myeloma",
        "Splenomegaly",
        "Thrombocytopenia",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Metformin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Ritonavir",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 3,
      "start_date": "2017-09-05",
      "completion_date": "2017-12-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-12",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02948283"
    },
    {
      "nct_id": "NCT07847957",
      "title": "Roginolisib Plus Obinutuzumab + Venetoclax in R/R CLL",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia (CLL)",
        "Refractory Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Roginolisib",
          "type": "DRUG"
        },
        {
          "name": "Obinutuzumab",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2027-01-13",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07847957"
    },
    {
      "nct_id": "NCT04223765",
      "title": "Study of Kappa Chimeric Antigen Receptor (CAR) T Lymphocytes Co-Expressing the Kappa and CD28 CARs for Relapsed/Refractory Kappa+ Non-Hodgkin Lymphoma and Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Mantle Cell Lymphoma",
        "Follicular Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue",
        "Nodal Marginal Zone Lymphoma",
        "Indolent Non-hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "CAR.k.28",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Bendamustine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UNC Lineberger 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": 20,
      "start_date": "2020-11-12",
      "completion_date": "2043-03-22",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04223765"
    },
    {
      "nct_id": "NCT00898612",
      "title": "Early Detection of Graft-Versus-Host Disease in Patients Undergoing a Donor Bone Marrow Transplant",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2008-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-03-10",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898612"
    },
    {
      "nct_id": "NCT00096044",
      "title": "Lenalidomide With or Without Rituximab in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "lenalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 45,
      "start_date": "2004-03",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00096044"
    },
    {
      "nct_id": "NCT00538850",
      "title": "Fentanyl Sublingual Spray in Treating Patients With Breakthrough Cancer Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Fentanyl sublingual spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INSYS 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": 130,
      "start_date": "2007-10",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2014-03-05",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 1,
      "location_summary": "Chandler, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538850"
    },
    {
      "nct_id": "NCT00003661",
      "title": "Chemotherapy, Radiation Therapy, and Umbilical Cord Blood Transplantation in Treating Patients With Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "54 Years",
        "sex": "ALL",
        "summary": "Up to 54 Years"
      },
      "enrollment_count": 3,
      "start_date": "1998-06",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2011-03-07",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 17,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida • Tampa, Florida + 12 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003661"
    },
    {
      "nct_id": "NCT07225439",
      "title": "Rituximab (Rtx) + Tafasitamab in Combination With Allogeneic NK Cells for Treatment of Relapsed/Refractory (r/r) B-cell Non-Hodgkin Lymphoma (NHL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non Hodgkin Lymphoma",
        "B-cell Non Hodgkin Lymphoma",
        "Diffuse Large B Cell Lymphoma",
        "High-grade B-cell Lymphoma",
        "Primary Mediastinal Large B Cell Lymphoma",
        "Follicular Lymphoma",
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma",
        "Marginal Zone Lymphoma",
        "Mantle Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Allogeneic NK cells",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Tafasitamab",
          "type": "DRUG"
        },
        {
          "name": "Interleukin-2",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine/cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paolo Caimi, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2026-09",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-15T06:59:59.317Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225439"
    }
  ]
}