{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bladder+Cancer+Stage+IV&page=7",
    "query": {
      "condition": "Bladder Cancer Stage IV",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 163,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bladder+Cancer+Stage+IV&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bladder+Cancer+Stage+IV&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T19:53:56.309Z",
  "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": "NCT00066352",
      "title": "Bortezomib in Treating Patients With Advanced or Metastatic Transitional Cell Cancer of the Bladder, Renal Pelvis, or Ureter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Transitional Cell Cancer of the Renal Pelvis and Ureter"
      ],
      "interventions": [
        {
          "name": "bortezomib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University Health Network, Toronto",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2003-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-07-23",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 11,
      "location_summary": "Chicago, Illinois • Decatur, Illinois • Evanston, Illinois + 8 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Decatur",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Harvey",
          "state": "Illinois"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066352"
    },
    {
      "nct_id": "NCT07667335",
      "title": "Enfortumab Vedotin, Pembrolizumab and Quemliclustat for the Treatment of Unresectable Locally Advanced and Metastatic Urothelial Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Bladder Urothelial Carcinoma",
        "Locally Advanced Renal Pelvis Urothelial Carcinoma",
        "Locally Advanced Ureter Urothelial Carcinoma",
        "Metastatic Bladder Giant Cell Urothelial Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Stage IIIB Bladder Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Renal Pelvis Cancer AJCC v8",
        "Stage IV Ureter Cancer AJCC v8",
        "Unresectable Bladder Urothelial Carcinoma",
        "Unresectable Renal Pelvis Urothelial Carcinoma",
        "Unresectable Ureter Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Quemliclustat",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Enfortumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "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": 27,
      "start_date": "2026-10-15",
      "completion_date": "2029-07-16",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07667335"
    },
    {
      "nct_id": "NCT00003133",
      "title": "Combination Chemotherapy Following Surgery in Treating Patients With Advanced Bladder Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Cancer",
        "Transitional Cell Cancer of the Renal Pelvis and Ureter"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "1997-09",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2013-06-28",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003133"
    },
    {
      "nct_id": "NCT00005831",
      "title": "Trastuzumab and Combination Chemotherapy in Treating Patients With Locally Recurrent or Metastatic Urinary Tract Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Recurrent Bladder Cancer",
        "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Squamous Cell Carcinoma of the Bladder",
        "Stage IV Bladder Cancer",
        "Transitional Cell Carcinoma of the Bladder"
      ],
      "interventions": [
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2000-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-01-14",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005831"
    },
    {
      "nct_id": "NCT00365157",
      "title": "Eribulin Mesylate in Treating Patients With Locally Advanced or Metastatic Cancer of the Urothelium and Kidney Dysfunction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Advanced Urothelial Carcinoma",
        "Locally Advanced Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Recurrent Urothelial Carcinoma",
        "Stage III Bladder Urothelial Carcinoma AJCC v6 and v7",
        "Stage IV Bladder Urothelial Carcinoma AJCC v7",
        "Unresectable Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Eribulin Mesylate",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2006-10-23",
      "completion_date": "2027-07-09",
      "has_results": true,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 26,
      "location_summary": "Beverly Hills, California • Duarte, California • Lancaster, California + 21 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Martinez",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00365157"
    },
    {
      "nct_id": "NCT00397488",
      "title": "Sunitinib in Treating Patients With Progressive Metastatic Transitional Cell Cancer of the Urothelium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Urethral Cancer"
      ],
      "interventions": [
        {
          "name": "sunitinib malate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 78,
      "start_date": "2006-09",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2016-01-25",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00397488"
    },
    {
      "nct_id": "NCT03866382",
      "title": "Testing the Effectiveness of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) With One Anti-cancer Targeted Drug (Cabozantinib) for Rare Genitourinary Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Adenocarcinoma",
        "Bladder Clear Cell Adenocarcinoma",
        "Bladder Mixed Adenocarcinoma",
        "Bladder Neuroendocrine Carcinoma",
        "Bladder Small Cell Neuroendocrine Carcinoma",
        "Bladder Squamous Cell Carcinoma",
        "Chromophobe Renal Cell Carcinoma",
        "Collecting Duct Carcinoma",
        "Invasive Bladder Giant Cell Urothelial Carcinoma",
        "Invasive Bladder Lymphoepithelioma-Like Carcinoma",
        "Invasive Bladder Nested Urothelial Carcinoma",
        "Invasive Bladder Plasmacytoid Urothelial Carcinoma",
        "Invasive Bladder Sarcomatoid Urothelial Carcinoma",
        "Invasive Bladder Urothelial Carcinoma",
        "Kidney Medullary Carcinoma",
        "Large Cell Neuroendocrine Carcinoma",
        "Malignant Testicular Leydig Cell Tumor",
        "Malignant Testicular Sertoli Cell Tumor",
        "Metastatic Bladder Carcinoma",
        "Metastatic Bladder Clear Cell (Glycogen-Rich) Urothelial Carcinoma",
        "Metastatic Bladder Giant Cell Urothelial Carcinoma",
        "Metastatic Bladder Large Cell Neuroendocrine Carcinoma",
        "Metastatic Bladder Lipid-Rich Urothelial Carcinoma",
        "Metastatic Bladder Micropapillary Urothelial Carcinoma",
        "Metastatic Bladder Plasmacytoid Urothelial Carcinoma",
        "Metastatic Bladder Sarcomatoid Urothelial Carcinoma",
        "Metastatic Bladder Small Cell Neuroendocrine Carcinoma",
        "Metastatic Bladder Squamous Cell Carcinoma",
        "Metastatic Chromophobe Renal Cell Carcinoma",
        "Metastatic Kidney Medullary Carcinoma",
        "Metastatic Malignant Genitourinary System Neoplasm",
        "Metastatic Papillary Renal Cell Carcinoma",
        "Metastatic Penile Carcinoma",
        "Metastatic Prostate Small Cell Neuroendocrine Carcinoma",
        "Metastatic Sarcomatoid Renal Cell Carcinoma",
        "Metastatic Urethral Carcinoma",
        "Papillary Renal Cell Carcinoma",
        "Sarcomatoid Renal Cell Carcinoma",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Penile Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8",
        "Urachal Adenocarcinoma",
        "Urethral Clear Cell Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 314,
      "start_date": "2019-05-13",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 580,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 376 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03866382"
    },
    {
      "nct_id": "NCT00055835",
      "title": "S0121, Neoadjuvant Carboplatin, Paclitaxel, and Gemcitabine Followed by Cisplatin and Radiation Therapy in Treating Patients With Locally Advanced or Recurrent Carcinoma of the Urothelium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Urethral Cancer"
      ],
      "interventions": [
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "neoadjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2002-11",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2013-01-31",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 92,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 60 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00055835"
    },
    {
      "nct_id": "NCT03582475",
      "title": "Pembrolizumab With Combination Chemotherapy in Treating Participants With Locally Advanced or Metastatic Small Cell/Neuroendocrine Cancers of Urothelium or Prostate",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bladder Small Cell Neuroendocrine Carcinoma",
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Prostate Carcinoma Metastatic in the Bone",
        "Prostate Neuroendocrine Neoplasm",
        "Prostate Small Cell Carcinoma",
        "Stage III Bladder Cancer American Joint Committee on Cancer ( AJCC) v8",
        "Stage III Prostate Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Stage IVA Bladder Cancer AJCC v8",
        "Stage IVB Bladder Cancer AJCC v8",
        "Ureter Small Cell Carcinoma",
        "Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2019-01-11",
      "completion_date": "2026-12-01",
      "has_results": true,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03582475"
    },
    {
      "nct_id": "NCT00004223",
      "title": "Docetaxel and Gemcitabine in Treating Patients With Progressive Regional or Metastatic Bladder Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Urethral Cancer"
      ],
      "interventions": [
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-02-24",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-06-18",
      "last_synced_at": "2026-10-07T19:53:56.309Z",
      "location_count": 73,
      "location_summary": "Scottsdale, Arizona • Duarte, California • Palo Alto, California + 55 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004223"
    }
  ]
}