{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Obstruction",
    "query": {
      "condition": "Ureteral Obstruction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Obstruction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:19:29.626Z",
  "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": "NCT02713633",
      "title": "Indwelling Double-J Ureteral Stent Versus Externalized Modified-Salle Stent for Pyeloplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ureteropelvic Junction Obstruction"
      ],
      "interventions": [
        {
          "name": "internal Double-J stents",
          "type": "OTHER"
        },
        {
          "name": "External Stent",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rajeev Chaudhry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Months",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "3 Months to 20 Years"
      },
      "enrollment_count": 5,
      "start_date": "2016-01",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-11",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02713633"
    },
    {
      "nct_id": "NCT02123082",
      "title": "Multi-Center Comparison of Dual Lumen Versus Single Lumen Ureteroscopes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "Storz single Lumen Ureteroscope",
          "type": "DEVICE"
        },
        {
          "name": "Dual Lumen Ureteroscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2014-07-02",
      "completion_date": "2021-04",
      "has_results": false,
      "last_update_posted_date": "2025-03-13",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123082"
    },
    {
      "nct_id": "NCT00169650",
      "title": "Laparoscopic Pyeloplasty Registry and Database",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ureteral Obstruction"
      ],
      "interventions": [
        {
          "name": "Registry and database",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana Kidney Stone Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2003-07",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-16",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00169650"
    },
    {
      "nct_id": "NCT06798753",
      "title": "Occlusion Balloon vs. 5FR Ureteral Catheter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Occlusion Balloon Catheter",
          "type": "DEVICE"
        },
        {
          "name": "5FR Ureteral Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2025-01-23",
      "completion_date": "2025-08-29",
      "has_results": true,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06798753"
    },
    {
      "nct_id": "NCT00166361",
      "title": "Drainage of Malignant Extrinsic Ureteral Obstruction Using the Memokath Ureteral Stent",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ureteral Obstruction"
      ],
      "interventions": [
        {
          "name": "Memokath 051 Ureteral Stent",
          "type": "DEVICE"
        },
        {
          "name": "JJ Stent",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": "2004-02",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-18",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00166361"
    },
    {
      "nct_id": "NCT05506930",
      "title": "ITM vs QL for Pediatric Open Lower Abdominal Procedures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain Control",
        "Ureteral Reimplantation",
        "Pediatrics",
        "Intrathecal Morphine"
      ],
      "interventions": [
        {
          "name": "Intrathecal Morphine",
          "type": "DRUG"
        },
        {
          "name": "Quadratus lumborum block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "12 Months to 11 Years"
      },
      "enrollment_count": 14,
      "start_date": "2022-08-17",
      "completion_date": "2024-05-10",
      "has_results": true,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05506930"
    },
    {
      "nct_id": "NCT02140970",
      "title": "Randomized Trial of NSAID vs Placebo Prior to Ureteral Stent Removal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disorder of Urinary Stent",
        "Ureteral Spasm",
        "Ureteropelvic Junction Obstruction",
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 51,
      "start_date": "2014-05",
      "completion_date": "2020-01-11",
      "has_results": true,
      "last_update_posted_date": "2021-04-26",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02140970"
    },
    {
      "nct_id": "NCT05640115",
      "title": "Obstruction of Malignancy: Percutaneous Renal vs Endoscopic Stent",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cancer",
        "Urinary Obstruction",
        "Malignancy",
        "Urinary Dysfunction",
        "Ureter Obstruction",
        "Ureter Injury"
      ],
      "interventions": [
        {
          "name": "Ureteral Stent",
          "type": "DEVICE"
        },
        {
          "name": "Percutaneous Nephrostomy Tube Placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-22",
      "completion_date": "2024-08-21",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05640115"
    },
    {
      "nct_id": "NCT00453882",
      "title": "Uretal Flow Assessment During Gynecological Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Conservative Gynecological Procedures"
      ],
      "interventions": [
        {
          "name": "flostat (TM) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ethicon, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "25 Years and older · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2006-11",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2012-01-30",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Fort Lauderdale, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00453882"
    },
    {
      "nct_id": "NCT01310582",
      "title": "Recovery Following Desflurane Versus Sevoflurane for Outpatient Urologic Surgery in Elderly Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureteral Stent Occlusion",
        "Exposure Laser",
        "Ureterostomy; Functional Disturbance",
        "Vaginal Diseases",
        "Injury of Bladder",
        "Excessive Repair",
        "Calculi"
      ],
      "interventions": [
        {
          "name": "Desflurane",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hahnemann University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 85 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2011-05",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2013-12-24",
      "last_synced_at": "2026-05-22T09:19:29.626Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310582"
    }
  ]
}