{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Calculus",
    "query": {
      "condition": "Ureteral Calculus"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Calculus&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T03:22:00.262Z",
  "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": "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": "2026-07-23T03:22:00.262Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123082"
    },
    {
      "nct_id": "NCT06982235",
      "title": "Stone and Laser Therapies Post-Market Study (SALT)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Benign Prostate Hypertrophy(BPH)",
        "Renal Calculi",
        "Ureteral Stones, Kidney Stones",
        "Calculi, Urinary",
        "Urinary Tract Procedure"
      ],
      "interventions": [
        {
          "name": "Ureteroscope system",
          "type": "DEVICE"
        },
        {
          "name": "Laser system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 238,
      "start_date": "2025-06-30",
      "completion_date": "2029-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Miami, Florida • Tampa, Florida + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06982235"
    },
    {
      "nct_id": "NCT03855787",
      "title": "Ureteral Stent Placement After Ureteroscopy for Renal Stones: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi"
      ],
      "interventions": [
        {
          "name": "Ureteroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 103,
      "start_date": "2019-11-11",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Sacramento, California • San Diego, California + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03855787"
    },
    {
      "nct_id": "NCT06942949",
      "title": "Evaluation of Enhanced Lithotripsy System (ELS) in the Treatment of Urinary Stones, A Pivotal Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi; Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "ELS (Enhanced Lithotripsy System)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Avvio Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2025-05-01",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Bakersfield, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06942949"
    },
    {
      "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": "2026-07-23T03:22:00.262Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310582"
    },
    {
      "nct_id": "NCT00857090",
      "title": "Pharmacokinetic, Safety and Efficacy Study of OMS201 in Subjects Undergoing Retrograde Ureteroscopic Removal of Upper Urinary Tract Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Urinary Calculi",
        "Urinary Stones",
        "Urinary Tract Stones",
        "Renal Calculi",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "OMS201",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Omeros Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2009-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2012-10-12",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 4,
      "location_summary": "Orange, California • Denver, Colorado • Nasville, Tennessee + 1 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Nasville",
          "state": "Tennessee"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00857090"
    },
    {
      "nct_id": "NCT03638999",
      "title": "NSAIDs Stent Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Ureteral Stent Placement",
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Ketorolac Trometamol 30Mg/1mL Injection",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2018-07-31",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03638999"
    },
    {
      "nct_id": "NCT00382265",
      "title": "Tamsulosin for Urolithiasis in the Emergency Dept",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureterolithiases"
      ],
      "interventions": [
        {
          "name": "tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Andrew Meltzer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 512,
      "start_date": "2008-01",
      "completion_date": "2017-02-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-10",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • Washington D.C., District of Columbia • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00382265"
    },
    {
      "nct_id": "NCT07297953",
      "title": "Access Sheath and Stent Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Ureteral Stone"
      ],
      "interventions": [
        {
          "name": "Surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 184,
      "start_date": "2025-09-24",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07297953"
    },
    {
      "nct_id": "NCT03608098",
      "title": "Long Pulse Versus Short Pulse Laser Dusting for Renal Stones",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Ureter Stone",
        "Renal Stone"
      ],
      "interventions": [
        {
          "name": "Short Pulse Duration",
          "type": "DEVICE"
        },
        {
          "name": "Long Pulse Duration",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2019-05",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2019-06-03",
      "last_synced_at": "2026-07-23T03:22:00.262Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03608098"
    }
  ]
}