{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=31",
    "query": {
      "condition": "Chronic Lymphocytic Leukemia (CLL) - Refractory",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "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=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Lymphocytic+Leukemia+%28CLL%29+-+Refractory&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T07:11:35.833Z",
  "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": "NCT00002502",
      "title": "Combination Chemotherapy and Bone Marrow Transplantation in Treating Patients With Leukemia or Myelodysplastic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "Up to 55 Years"
      },
      "enrollment_count": null,
      "start_date": "1992-07",
      "completion_date": "2000-05",
      "has_results": false,
      "last_update_posted_date": "2013-06-27",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002502"
    },
    {
      "nct_id": "NCT04512105",
      "title": "Pitavastatin in Combination With Venetoclax for Chronic Lymphocytic Leukemia or Acute Myeloid Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Chronic Lymphocytic Leukemia",
        "AML, Adult",
        "CLL",
        "CLL, Relapsed",
        "CLL, Refractory"
      ],
      "interventions": [
        {
          "name": "Pitavastatin",
          "type": "DRUG"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2020-12-02",
      "completion_date": "2025-02-05",
      "has_results": false,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04512105"
    },
    {
      "nct_id": "NCT05418088",
      "title": "Genetically Engineered Cells (Anti-CD19/CD20/CD22 CAR T-cells) for the Treatment of Relapsed or Refractory Lymphoid Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Acute Lymphoblastic Leukemia",
        "Recurrent B Acute Lymphoblastic Leukemia",
        "Recurrent B-Cell Prolymphocytic Leukemia",
        "Recurrent Chronic Lymphocytic Leukemia",
        "Recurrent High Grade B-Cell Lymphoma",
        "Recurrent Indolent Non-Hodgkin Lymphoma",
        "Recurrent Non-Hodgkin Lymphoma",
        "Recurrent Transformed Chronic Lymphocytic Leukemia",
        "Refractory Acute Lymphoblastic Leukemia",
        "Refractory B Acute Lymphoblastic Leukemia",
        "Refractory B-Cell Prolymphocytic Leukemia",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory High Grade B-Cell Lymphoma",
        "Refractory Indolent Non-Hodgkin Lymphoma",
        "Refractory Non-Hodgkin Lymphoma",
        "Refractory Transformed Chronic Lymphocytic Leukemia",
        "Refactory Childhood Acute Lymphoblastic Leukemia",
        "Refractory Childhood Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Anti-CD19/CD20/CD22 CAR T-Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Sumithira Vasu",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2022-06-30",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05418088"
    },
    {
      "nct_id": "NCT04732845",
      "title": "Human AntiCD19 Chimeric Antigen Receptor T Cells for Relapsed or Refractory Lymphoid Malignancies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non Hodgkin Lymphoma",
        "Acute Lymphoblastic Leukemia",
        "Chronic Lymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Fully human anti CD19 CAR-T Cell Dose",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Benjamin Tomlinson",
      "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": "2021-04-26",
      "completion_date": "2040-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04732845"
    },
    {
      "nct_id": "NCT01053494",
      "title": "Massage Therapy Given by Caregiver in Treating Quality of Life of Young Patients Undergoing Treatment for Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia",
        "Acute Undifferentiated Leukemia",
        "Angioimmunoblastic T-cell Lymphoma",
        "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative",
        "Blastic Phase Chronic Myelogenous Leukemia",
        "Burkitt Lymphoma",
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Childhood Chronic Myelogenous Leukemia",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Grade III Lymphomatoid Granulomatosis",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Childhood Myelodysplastic Syndromes",
        "Childhood Nasal Type Extranodal NK/T-cell Lymphoma",
        "Chronic Eosinophilic Leukemia",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Neutrophilic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia",
        "Contiguous Stage II Mantle Cell Lymphoma",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "Essential Thrombocythemia",
        "Extramedullary Plasmacytoma",
        "Intraocular Lymphoma",
        "Isolated Plasmacytoma of Bone",
        "Juvenile Myelomonocytic Leukemia",
        "Mast Cell Leukemia",
        "Meningeal Chronic Myelogenous Leukemia",
        "Noncontiguous Stage II Mantle Cell Lymphoma",
        "Polycythemia Vera",
        "Post-transplant Lymphoproliferative Disorder",
        "Primary Myelofibrosis",
        "Primary Systemic Amyloidosis",
        "Progressive Hairy Cell Leukemia, Initial Treatment",
        "Prolymphocytic Leukemia",
        "Recurrent Childhood Acute Lymphoblastic Leukemia",
        "Recurrent Childhood Acute Myeloid 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",
        "Refractory Multiple Myeloma",
        "Relapsing Chronic Myelogenous Leukemia",
        "Secondary Acute Myeloid Leukemia",
        "Stage 0 Chronic Lymphocytic Leukemia",
        "Stage I Childhood Anaplastic Large Cell Lymphoma",
        "Stage I Childhood Hodgkin Lymphoma",
        "Stage I Childhood Large Cell Lymphoma",
        "Stage I Childhood Lymphoblastic Lymphoma",
        "Stage I Childhood Small Noncleaved Cell Lymphoma",
        "Stage I Chronic Lymphocytic Leukemia",
        "Stage I Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Stage I Multiple Myeloma",
        "Stage I Mycosis Fungoides/Sezary Syndrome",
        "Stage II Childhood Anaplastic Large Cell Lymphoma",
        "Stage II Childhood Hodgkin Lymphoma",
        "Stage II Childhood Large Cell Lymphoma",
        "Stage II Childhood Lymphoblastic Lymphoma",
        "Stage II Childhood Small Noncleaved Cell Lymphoma",
        "Stage II Chronic Lymphocytic Leukemia",
        "Stage II Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Stage II Multiple Myeloma",
        "Stage II Mycosis Fungoides/Sezary Syndrome",
        "Stage III Childhood Anaplastic Large Cell Lymphoma",
        "Stage III Childhood Hodgkin Lymphoma",
        "Stage III Childhood Large Cell Lymphoma",
        "Stage III Childhood Lymphoblastic Lymphoma",
        "Stage III Childhood Small Noncleaved Cell Lymphoma",
        "Stage III Chronic Lymphocytic Leukemia",
        "Stage III Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Stage III Multiple Myeloma",
        "Stage III Mycosis Fungoides/Sezary Syndrome",
        "Stage IV Childhood Anaplastic Large Cell Lymphoma",
        "Stage IV Childhood Hodgkin Lymphoma",
        "Stage IV Childhood Large Cell Lymphoma",
        "Stage IV Childhood Lymphoblastic Lymphoma",
        "Stage IV Childhood Small Noncleaved Cell Lymphoma",
        "Stage IV Chronic Lymphocytic Leukemia",
        "Stage IV Cutaneous T-cell Non-Hodgkin Lymphoma",
        "Stage IV Mycosis Fungoides/Sezary Syndrome",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "massage therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "intervention by caregiver",
          "type": "OTHER"
        },
        {
          "name": "standard follow-up care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 80,
      "start_date": "2010-04",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01053494"
    },
    {
      "nct_id": "NCT00957736",
      "title": "Chronic Graft-Versus-Host Disease in Patients Who Have Undergone Donor Stem Cell Transplant",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "polymorphism analysis",
          "type": "GENETIC"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 252,
      "start_date": "2008-11",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 3,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00957736"
    },
    {
      "nct_id": "NCT02500407",
      "title": "A Safety, Efficacy and Pharmacokinetic Study of BTCT4465A (Mosunetuzumab) as a Single Agent and Combined With Atezolizumab in Non-Hodgkin's Lymphoma (NHL) and Chronic Lymphocytic Leukemia (CLL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lymphocytic Leukemia, Chronic",
        "Lymphoma, Non Hodgkin"
      ],
      "interventions": [
        {
          "name": "BTCT4465A (Mosunetuzumab) IV",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "BTCT4465A (Mosunetuzumab) SC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 713,
      "start_date": "2015-09-15",
      "completion_date": "2025-09-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 12,
      "location_summary": "La Jolla, California • Santa Barbara, California • Denver, Colorado + 9 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500407"
    },
    {
      "nct_id": "NCT02200848",
      "title": "Phase I Study of Lenalidomide, Rituximab and Ibrutinib in Relapsed/Refractory Chronic Lymphocytic Leukemia (CLL)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Lenalidomide, Ibrutinib, Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Georgetown University",
      "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": "2014-04",
      "completion_date": "2017-08-01",
      "has_results": false,
      "last_update_posted_date": "2018-01-12",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02200848"
    },
    {
      "nct_id": "NCT04684563",
      "title": "huCART19-IL18 in CD19+ Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Non-hodgkin Lymphoma",
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "huCART19-IL18",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2021-05-06",
      "completion_date": "2036-05",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684563"
    },
    {
      "nct_id": "NCT00666211",
      "title": "Opioid Titration Order Sheet or Standard Care in Treating Patients With Cancer Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Pain",
        "Precancerous Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "educational intervention",
          "type": "OTHER"
        },
        {
          "name": "Titrated pain management",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2005-05",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2012-09-06",
      "last_synced_at": "2026-10-16T07:11:35.833Z",
      "location_count": 11,
      "location_summary": "Hopkinsville, Kentucky • Owensboro, Kentucky • Chattanooga, Tennessee + 4 more",
      "locations": [
        {
          "city": "Hopkinsville",
          "state": "Kentucky"
        },
        {
          "city": "Owensboro",
          "state": "Kentucky"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        },
        {
          "city": "Crossville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00666211"
    }
  ]
}