{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=busulfex",
    "query": {
      "intervention": "busulfex"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 475,
    "total_pages": 48,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=busulfex&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T20:16:24.874Z",
  "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": "NCT00043810",
      "title": "Study of Gelonin Purging of Autologous Stem Cells for Transplantation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Gelonin",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 3,
      "start_date": "2002-07",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2018-10-31",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00043810"
    },
    {
      "nct_id": "NCT00513474",
      "title": "Rasburicase in Preventing Graft-Versus-Host Disease in Patients With Hematologic Cancer or Other Disease Undergoing Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms"
      ],
      "interventions": [
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporin-A",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "rasburicase",
          "type": "DRUG"
        },
        {
          "name": "sirolimus",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "total-body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "fludarabine",
          "type": "DRUG"
        },
        {
          "name": "allopurinol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 46,
      "start_date": "2008-01",
      "completion_date": "2013-02-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00513474"
    },
    {
      "nct_id": "NCT00152113",
      "title": "Haploidentical Stem Cell Transplant for Patients With Sickle Cell Disease and Prior Stroke or Abnormal Transcranial Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "CliniMACS",
          "type": "DEVICE"
        },
        {
          "name": "See intervention description",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "2 Years to 16 Years"
      },
      "enrollment_count": 5,
      "start_date": "2005-04",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2017-04-26",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00152113"
    },
    {
      "nct_id": "NCT00987480",
      "title": "Hematopoietic Stem Cell Transplantation for the Treatment of Patients With Fanconi Anemia Lacking a Genotypically Identical Donor, Using a Chemotherapy Only Cytoreduction With Busulfan, Cyclophosphamide and Fludarabine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aplastic Anemia",
        "Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Busulfan, fludarabine, & cyclophosphamide with immunosuppression with ATG and cyclosporine.",
          "type": "DRUG"
        },
        {
          "name": "CliniMACS device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 45,
      "start_date": "2009-09-25",
      "completion_date": "2017-07-10",
      "has_results": true,
      "last_update_posted_date": "2018-07-10",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • New York, New York • Cincinnati, Ohio + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00987480"
    },
    {
      "nct_id": "NCT00304018",
      "title": "Donor Umbilical Cord Blood Transplant in Treating Patients With Advanced Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 5,
      "start_date": "2002-10",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2013-08-14",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00304018"
    },
    {
      "nct_id": "NCT00669890",
      "title": "Allogenic Stem Cell Transplantation in Patients With High Risk CD33+ AML/MDS/JMML",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Juvenile Myelomonocytic Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Gemtuzumab Ozogamicin",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Thymoglobulin",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "Up to 30 Years"
      },
      "enrollment_count": 12,
      "start_date": "2004-05",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-04-22",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00669890"
    },
    {
      "nct_id": "NCT00176917",
      "title": "Stem Cell Transplantation for Hurler",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucopolysaccharidosis I",
        "Mucopolysaccharidosis VI",
        "Mannosidosis",
        "Mucolipidosis Type II (I-cell Disease)"
      ],
      "interventions": [
        {
          "name": "Stem Cell Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan, Cyclophosphamide, ATG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 41,
      "start_date": "1999-05",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00176917"
    },
    {
      "nct_id": "NCT02251821",
      "title": "JAK Inhibitor Before Donor Stem Cell Transplant in Treating Patients With Primary or Secondary Myelofibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Primary Myelofibrosis",
        "Secondary Myelofibrosis"
      ],
      "interventions": [
        {
          "name": "Allogeneic Hematopoietic Stem Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Melphalan",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Ruxolitinib",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Total-Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Umbilical Cord Blood Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson 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": 61,
      "start_date": "2014-10-20",
      "completion_date": "2026-01-22",
      "has_results": true,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02251821"
    },
    {
      "nct_id": "NCT00852163",
      "title": "Study of Stem Cell Transplant for Leukemia and Myelodysplastic Syndromes Using Clofarabine and Busulfan Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Clofarabine with Busulfan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Research Institute",
      "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": "2007-03",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852163"
    },
    {
      "nct_id": "NCT01093586",
      "title": "Donor Umbilical Cord Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myeloid Leukemia With Multilineage Dysplasia Following Myelodysplastic Syndrome",
        "Adult Acute Lymphoblastic Leukemia in Remission",
        "Adult Acute Megakaryoblastic Leukemia (M7)",
        "Adult Acute Minimally Differentiated Myeloid Leukemia (M0)",
        "Adult Acute Monoblastic Leukemia (M5a)",
        "Adult Acute Monocytic Leukemia (M5b)",
        "Adult Acute Myeloid Leukemia in Remission",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Erythroleukemia (M6a)",
        "Adult Nasal Type Extranodal NK/T-cell Lymphoma",
        "Adult Pure Erythroid Leukemia (M6b)",
        "B-cell Adult Acute Lymphoblastic Leukemia",
        "B-cell Childhood Acute Lymphoblastic Leukemia",
        "Blastic Phase Chronic Myelogenous Leukemia",
        "Burkitt Lymphoma",
        "Childhood Acute Erythroleukemia (M6)",
        "Childhood Acute Lymphoblastic Leukemia in Remission",
        "Childhood Acute Megakaryocytic Leukemia (M7)",
        "Childhood Acute Minimally Differentiated Myeloid Leukemia (M0)",
        "Childhood Acute Monoblastic Leukemia (M5a)",
        "Childhood Acute Monocytic Leukemia (M5b)",
        "Childhood Acute Myeloid Leukemia in Remission",
        "Childhood Chronic Myelogenous Leukemia",
        "Childhood Diffuse Large Cell Lymphoma",
        "Childhood Immunoblastic Large Cell Lymphoma",
        "Childhood Myelodysplastic Syndromes",
        "Childhood Nasal Type Extranodal NK/T-cell Lymphoma",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "de Novo Myelodysplastic Syndromes",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Juvenile Myelomonocytic Leukemia",
        "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Previously Treated Myelodysplastic Syndromes",
        "Prolymphocytic Leukemia",
        "Recurrent Adult Acute Lymphoblastic Leukemia",
        "Recurrent Adult Acute Myeloid Leukemia",
        "Recurrent Adult Burkitt Lymphoma",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Recurrent Adult Diffuse Mixed Cell Lymphoma",
        "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma",
        "Recurrent Adult Grade III Lymphomatoid Granulomatosis",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic Lymphoma",
        "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 Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3 Follicular Lymphoma",
        "Recurrent Mantle Cell Lymphoma",
        "Recurrent Marginal Zone Lymphoma",
        "Recurrent Mycosis Fungoides/Sezary Syndrome",
        "Recurrent Small Lymphocytic Lymphoma",
        "Refractory Chronic Lymphocytic Leukemia",
        "Relapsing Chronic Myelogenous Leukemia",
        "Secondary Acute Myeloid Leukemia",
        "Secondary Myelodysplastic Syndromes",
        "Secondary Myelofibrosis",
        "Splenic Marginal Zone Lymphoma",
        "Stage I Chronic Lymphocytic Leukemia",
        "Stage II Chronic Lymphocytic Leukemia",
        "Stage III Chronic Lymphocytic Leukemia",
        "Stage IV Chronic Lymphocytic Leukemia",
        "T-cell Adult Acute Lymphoblastic Leukemia",
        "T-cell Childhood Acute Lymphoblastic Leukemia",
        "T-cell Large Granular Lymphocyte Leukemia",
        "Waldenstrom Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "double-unit umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "cytogenetic analysis",
          "type": "OTHER"
        },
        {
          "name": "bone marrow aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "fluorescence in situ hybridization",
          "type": "OTHER"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "anti-thymocyte globulin",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "flow cytometry",
          "type": "OTHER"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "12 Years to 64 Years"
      },
      "enrollment_count": 14,
      "start_date": "2007-09",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-09-02T20:16:24.874Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01093586"
    }
  ]
}