{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Central+Nervous+System+Neoplasm",
    "query": {
      "condition": "Primary Central Nervous System Neoplasm"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 427,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Central+Nervous+System+Neoplasm&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T20:39:00.868Z",
  "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": "NCT03257631",
      "title": "A Study of Pomalidomide Monotherapy for Children and Young Adults With Recurrent or Progressive Primary Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Central Nervous System Neoplasms",
        "Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 53,
      "start_date": "2017-09-18",
      "completion_date": "2023-09-14",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 6,
      "location_summary": "Stanford, California • Gainesville, Florida • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03257631"
    },
    {
      "nct_id": "NCT00004024",
      "title": "Biological Therapy Following Surgery and Radiation Therapy in Treating Patients With Primary or Recurrent Astrocytoma or Oligodendroglioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "aldesleukin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "autologous tumor cell vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "muromonab-CD3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "sargramostim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "therapeutic autologous lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "surgical procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Barbara Ann Karmanos 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": 60,
      "start_date": "1997-06",
      "completion_date": "2004-01",
      "has_results": false,
      "last_update_posted_date": "2013-04-05",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004024"
    },
    {
      "nct_id": "NCT00616005",
      "title": "Ph. II Treatment of Adults w Primary Malignant Glioma w Irinotecan + Temozolomide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Temodar and Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2005-11",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2014-08-18",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00616005"
    },
    {
      "nct_id": "NCT00002676",
      "title": "Chemotherapy and Whole-Brain Radiation Therapy in Treating Patients With Primary Central Nervous System Non- Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "carmustine",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "vincristine sulfate",
          "type": "DRUG"
        },
        {
          "name": "low-LET cobalt-60 gamma ray therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET photon therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": 36,
      "start_date": "1995-07",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2016-07-14",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 21,
      "location_summary": "Scottsdale, Arizona • Denver, Colorado • Peoria, Illinois + 18 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002676"
    },
    {
      "nct_id": "NCT00068250",
      "title": "Combination Chemotherapy, Monoclonal Antibody, and Radiation Therapy in Treating Patients With Primary Central Nervous System Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "rituximab",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "temozolomide 100 mg/m^2",
          "type": "DRUG"
        },
        {
          "name": "temozolomide 150 mg/m^2",
          "type": "DRUG"
        },
        {
          "name": "temozolomide 200 mg/m^2",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "post-radiation therapy temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2003-07",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 26,
      "location_summary": "Jacksonville, Florida • Jacksonville Beach, Florida • Orange Park, Florida + 17 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville Beach",
          "state": "Florida"
        },
        {
          "city": "Orange Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00068250"
    },
    {
      "nct_id": "NCT01125826",
      "title": "Cell Culture of Glioma Specimens for in Vitro Preclinical Studies",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Tumor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Albany Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2009-04",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2011-06-27",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01125826"
    },
    {
      "nct_id": "NCT01789255",
      "title": "Vorinostat, Tacrolimus, and Methotrexate in Preventing GVHD After Stem Cell Transplant in Patients With Hematological Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myelogenous Leukemia",
        "Adult Acute Myeloid Leukemia in Remission",
        "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities",
        "Adult Acute Myeloid Leukemia With Del(5q)",
        "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)",
        "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)",
        "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)",
        "Adult Grade III Lymphomatoid Granulomatosis",
        "B-cell Chronic Lymphocytic Leukemia",
        "Chronic Myelogenous Leukemia, BCR-ABL1 Positive",
        "Chronic Myelomonocytic Leukemia",
        "Chronic Phase Chronic Myelogenous Leukemia",
        "Contiguous Stage II Adult Burkitt Lymphoma",
        "Contiguous Stage II Adult Diffuse Large Cell Lymphoma",
        "Contiguous Stage II Adult Diffuse Mixed Cell Lymphoma",
        "Contiguous Stage II Adult Diffuse Small Cleaved Cell Lymphoma",
        "Contiguous Stage II Adult Immunoblastic Large Cell Lymphoma",
        "Contiguous Stage II Adult Lymphoblastic Lymphoma",
        "Contiguous Stage II Grade 1 Follicular Lymphoma",
        "Contiguous Stage II Grade 2 Follicular Lymphoma",
        "Contiguous Stage II Grade 3 Follicular Lymphoma",
        "Contiguous Stage II Mantle Cell Lymphoma",
        "Contiguous Stage II Marginal Zone Lymphoma",
        "Contiguous Stage II Small Lymphocytic Lymphoma",
        "Cutaneous B-cell Non-Hodgkin Lymphoma",
        "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue",
        "Graft Versus Host Disease",
        "Intraocular Lymphoma",
        "Myelodysplastic Syndrome With Isolated Del(5q)",
        "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable",
        "Nodal Marginal Zone B-cell Lymphoma",
        "Noncontiguous Stage II Adult Burkitt Lymphoma",
        "Noncontiguous Stage II Adult Diffuse Large Cell Lymphoma",
        "Noncontiguous Stage II Adult Diffuse Mixed Cell Lymphoma",
        "Noncontiguous Stage II Adult Diffuse Small Cleaved Cell Lymphoma",
        "Noncontiguous Stage II Adult Immunoblastic Large Cell Lymphoma",
        "Noncontiguous Stage II Adult Lymphoblastic Lymphoma",
        "Noncontiguous Stage II Grade 1 Follicular Lymphoma",
        "Noncontiguous Stage II Grade 2 Follicular Lymphoma",
        "Noncontiguous Stage II Grade 3 Follicular Lymphoma",
        "Noncontiguous Stage II Mantle Cell Lymphoma",
        "Noncontiguous Stage II Marginal Zone Lymphoma",
        "Noncontiguous Stage II Small Lymphocytic Lymphoma",
        "Post-transplant Lymphoproliferative Disorder",
        "Primary Central Nervous System Hodgkin Lymphoma",
        "Primary Central Nervous System Non-Hodgkin Lymphoma",
        "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 Hodgkin Lymphoma",
        "Recurrent Adult Immunoblastic Large Cell Lymphoma",
        "Recurrent Adult Lymphoblastic 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 Small Lymphocytic Lymphoma",
        "Refractory Anemia",
        "Refractory Anemia With Excess Blasts",
        "Refractory Anemia With Ringed Sideroblasts",
        "Refractory Chronic Lymphocytic Leukemia",
        "Refractory Cytopenia With Multilineage Dysplasia",
        "Refractory Hairy Cell Leukemia",
        "Relapsing Chronic Myelogenous Leukemia",
        "Secondary Central Nervous System Hodgkin Lymphoma",
        "Secondary Central Nervous System Non-Hodgkin Lymphoma",
        "Small Intestine Lymphoma",
        "Splenic Marginal Zone Lymphoma",
        "Stage I Adult Burkitt Lymphoma",
        "Stage I Adult Diffuse Large Cell Lymphoma",
        "Stage I Adult Diffuse Mixed Cell Lymphoma",
        "Stage I Adult Diffuse Small Cleaved Cell Lymphoma",
        "Stage I Adult Hodgkin Lymphoma",
        "Stage I Adult Immunoblastic Large Cell Lymphoma",
        "Stage I Adult Lymphoblastic Lymphoma",
        "Stage I Chronic Lymphocytic Leukemia",
        "Stage I Grade 1 Follicular Lymphoma",
        "Stage I Grade 2 Follicular Lymphoma",
        "Stage I Grade 3 Follicular Lymphoma",
        "Stage I Mantle Cell Lymphoma",
        "Stage I Marginal Zone Lymphoma",
        "Stage I Small Lymphocytic Lymphoma",
        "Stage II Adult Hodgkin Lymphoma",
        "Stage II Chronic Lymphocytic Leukemia",
        "Stage III Adult Burkitt Lymphoma",
        "Stage III Adult Diffuse Large Cell Lymphoma",
        "Stage III Adult Diffuse Mixed Cell Lymphoma",
        "Stage III Adult Diffuse Small Cleaved Cell Lymphoma",
        "Stage III Adult Hodgkin Lymphoma",
        "Stage III Adult Immunoblastic Large Cell Lymphoma",
        "Stage III Adult Lymphoblastic Lymphoma",
        "Stage III Chronic Lymphocytic Leukemia",
        "Stage III Grade 1 Follicular Lymphoma",
        "Stage III Grade 2 Follicular Lymphoma",
        "Stage III Grade 3 Follicular Lymphoma",
        "Stage III Mantle Cell Lymphoma",
        "Stage III Marginal Zone Lymphoma",
        "Stage IV Adult Burkitt Lymphoma",
        "Stage IV Adult Diffuse Large Cell Lymphoma",
        "Stage IV Adult Diffuse Mixed Cell Lymphoma",
        "Stage IV Adult Diffuse Small Cleaved Cell Lymphoma",
        "Stage IV Adult Hodgkin Lymphoma",
        "Stage IV Adult Immunoblastic Large Cell Lymphoma",
        "Stage IV Adult Lymphoblastic Lymphoma",
        "Stage IV Chronic Lymphocytic Leukemia",
        "Stage IV Grade 1 Follicular Lymphoma",
        "Stage IV Grade 2 Follicular Lymphoma",
        "Stage IV Grade 3 Follicular Lymphoma",
        "Stage IV Mantle Cell Lymphoma",
        "Stage IV Marginal Zone Lymphoma",
        "Stage IV Small Lymphocytic Lymphoma",
        "Testicular Lymphoma",
        "Waldenström Macroglobulinemia"
      ],
      "interventions": [
        {
          "name": "vorinostat",
          "type": "DRUG"
        },
        {
          "name": "tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-06",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2018-07-24",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01789255"
    },
    {
      "nct_id": "NCT00066599",
      "title": "Voriconazole in Preventing Fungal Infections in Children With Neutropenia After Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Cancer",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Neuroblastoma",
        "Neutropenia",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "voriconazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "2 Years to 11 Years"
      },
      "enrollment_count": null,
      "start_date": "2003-06",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2013-06-19",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 7,
      "location_summary": "Orange, California • San Diego, California • Bethesda, Maryland + 4 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066599"
    },
    {
      "nct_id": "NCT01722305",
      "title": "Pomalidomide and Dexamethasone in Treating Patients With Relapsed or Refractory Primary Central Nervous System Lymphoma or Newly Diagnosed or Relapsed or Refractory Intraocular Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "B-Cell Lymphoma, Unclassifiable, With Features Intermediate Between Diffuse Large B-Cell Lymphoma and Burkitt Lymphoma",
        "Central Nervous System Lymphoma",
        "Intraocular Lymphoma",
        "Primary Diffuse Large B-Cell Lymphoma of the Central Nervous System",
        "Recurrent Adult Diffuse Large Cell Lymphoma",
        "Retinal Lymphoma"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Pomalidomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 29,
      "start_date": "2013-04-08",
      "completion_date": "2019-07-15",
      "has_results": false,
      "last_update_posted_date": "2019-07-22",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 7,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01722305"
    },
    {
      "nct_id": "NCT00499798",
      "title": "Changes in Semen or Sperm Caused by Temozolomide in Patients With Newly Diagnosed, Progressive, or Recurrent Primary Malignant Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Chemotherapeutic Agent Toxicity",
        "Infertility"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 16,
      "start_date": "2004-08",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-05-21T20:39:00.868Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499798"
    }
  ]
}