{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urothelial+Cancer+of+Renal+Pelvis",
    "query": {
      "condition": "Urothelial Cancer of Renal Pelvis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urothelial+Cancer+of+Renal+Pelvis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T07:54:20.451Z",
  "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": "NCT00022633",
      "title": "S0028, Gemcitabine and Paclitaxel in Treating Patients With Advanced or Recurrent Cancer of the Urinary Tract",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Urethral Cancer"
      ],
      "interventions": [
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "Up to 120 Years"
      },
      "enrollment_count": 65,
      "start_date": "2001-07",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2016-08-11",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 92,
      "location_summary": "Mobile, Alabama • Little Rock, Arkansas • Los Angeles, California + 59 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Valdosta",
          "state": "Georgia"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00022633"
    },
    {
      "nct_id": "NCT04637594",
      "title": "Trying to Find the Correct Length of Treatment With Immune Checkpoint Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Locally Advanced Bladder Urothelial Carcinoma",
        "Locally Advanced Renal Pelvis Urothelial Carcinoma",
        "Locally Advanced Ureter Urothelial Carcinoma",
        "Locally Advanced Urethral Urothelial Carcinoma",
        "Locally Advanced Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Avelumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2022-05-27",
      "completion_date": "2030-09",
      "has_results": true,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 377,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 260 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04637594"
    },
    {
      "nct_id": "NCT00045630",
      "title": "S0219, Combination Chemotherapy Followed By Observation or Surgery in Patients With Stage II or Stage III 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": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "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": 77,
      "start_date": "2003-01",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2013-05-27",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 128,
      "location_summary": "Anchorage, Alaska • Glendale, Arizona • Mesa, Arizona + 89 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00045630"
    },
    {
      "nct_id": "NCT00009867",
      "title": "Arsenic Trioxide in Treating Patients With Urothelial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Recurrent Urethral Cancer",
        "Transitional Cell Carcinoma of the Bladder",
        "Ureter Cancer"
      ],
      "interventions": [
        {
          "name": "arsenic trioxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 35,
      "start_date": "2000-12",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00009867"
    },
    {
      "nct_id": "NCT04953104",
      "title": "ARID1A and/or KDM6A Mutation and CXCL13 Expression",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Bladder Urothelial Carcinoma",
        "Locally Advanced Renal Pelvis Urothelial Carcinoma",
        "Locally Advanced Ureter Urothelial Carcinoma",
        "Locally Advanced Urethral Urothelial Carcinoma",
        "Locally Advanced Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Recurrent Bladder Urothelial Carcinoma",
        "Recurrent Renal Pelvis Urothelial Carcinoma",
        "Recurrent Ureter Urothelial Carcinoma",
        "Recurrent Urethral Urothelial Carcinoma",
        "Recurrent Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IIIA Bladder Cancer AJCC v8",
        "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",
        "Stage IV Urethral Cancer AJCC v8",
        "Stage IVA Bladder Cancer AJCC v8",
        "Stage IVB Bladder Cancer AJCC v8",
        "Unresectable Bladder Urothelial Carcinoma",
        "Unresectable Renal Pelvis Urothelial Carcinoma",
        "Unresectable Ureter Urothelial Carcinoma",
        "Unresectable Urethral Urothelial Carcinoma",
        "Unresectable Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Diagnostic Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Relatlimab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson 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": 6,
      "start_date": "2021-09-21",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04953104"
    },
    {
      "nct_id": "NCT00942331",
      "title": "Gemcitabine Hydrochloride and Cisplatin With or Without Bevacizumab in Treating Patients With Advanced Urinary Tract Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Stage IV Bladder Urothelial Carcinoma AJCC v7",
        "Stage IV Prostate Cancer AJCC v7",
        "Stage IV Renal Pelvis Cancer AJCC v7",
        "Stage IV Ureter Cancer AJCC v7",
        "Stage IV Urethral Cancer AJCC v7",
        "Unresectable Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "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": 506,
      "start_date": "2009-07-15",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 872,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Fairbanks, Alaska + 529 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942331"
    },
    {
      "nct_id": "NCT03288545",
      "title": "A Study of Enfortumab Vedotin Alone or With Other Therapies for Treatment of Urothelial Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Transitional Cell",
        "Urinary Bladder Neoplasms",
        "Urologic Neoplasms",
        "Renal Pelvis Neoplasms",
        "Urothelial Cancer",
        "Ureteral Neoplasms",
        "Urethral Neoplasms"
      ],
      "interventions": [
        {
          "name": "enfortumab vedotin (EV)",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 348,
      "start_date": "2017-10-11",
      "completion_date": "2026-02-20",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 83,
      "location_summary": "Anchorage, Alaska • Gilbert, Arizona • Phoenix, Arizona + 75 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03288545"
    },
    {
      "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": "2026-05-22T07:54:20.451Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005831"
    },
    {
      "nct_id": "NCT00112905",
      "title": "Sorafenib in Treating Patients With Regional or Metastatic Cancer of the Urothelium",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Bladder",
        "Distal Urethral Cancer",
        "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Proximal Urethral Cancer",
        "Recurrent Bladder Cancer",
        "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Recurrent Urethral Cancer",
        "Regional Transitional Cell Cancer of the Renal Pelvis and Ureter",
        "Squamous Cell Carcinoma of the Bladder",
        "Stage III Bladder Cancer",
        "Stage IV Bladder Cancer",
        "Transitional Cell Carcinoma of the Bladder",
        "Urethral Cancer Associated With Invasive Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "sorafenib tosylate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "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": 27,
      "start_date": "2005-10",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-30",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112905"
    },
    {
      "nct_id": "NCT03513952",
      "title": "Atezolizumab and CYT107 in Treating Participants With Locally Advanced, Inoperable, or Metastatic Urothelial Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Bladder Urothelial Carcinoma",
        "Advanced Ureter Urothelial Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Renal Pelvis Urothelial Carcinoma",
        "Metastatic Ureter Urothelial Carcinoma",
        "Metastatic Urethral Urothelial Carcinoma",
        "Metastatic Urothelial Carcinoma",
        "Recurrent Bladder Urothelial Carcinoma",
        "Recurrent Renal Pelvis Urothelial Carcinoma",
        "Recurrent Ureter Urothelial Carcinoma",
        "Recurrent Urethral Urothelial Carcinoma",
        "Stage III Bladder Cancer AJCC v8",
        "Stage III Renal Pelvis Cancer AJCC v8",
        "Stage III Ureter Cancer AJCC v8",
        "Stage III Urethral Cancer AJCC v8",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Renal Pelvis Cancer AJCC v8",
        "Stage IV Ureter Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Stage IVA Bladder Cancer AJCC v8",
        "Stage IVB Bladder Cancer AJCC v8",
        "Unresectable Bladder Urothelial Carcinoma",
        "Unresectable Renal Pelvis Urothelial Carcinoma",
        "Unresectable Ureter Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Glycosylated Recombinant Human Interleukin-7",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography and Computed Tomography Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL",
        "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": 47,
      "start_date": "2019-06-05",
      "completion_date": "2024-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-05-22T07:54:20.451Z",
      "location_count": 9,
      "location_summary": "Riverside, California • Tampa, Florida • Honolulu, Hawaii + 5 more",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03513952"
    }
  ]
}