{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Kidney+Calculi%3B+Ureteral+Calculi",
    "query": {
      "condition": "Kidney Calculi; Ureteral Calculi"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 43,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Kidney+Calculi%3B+Ureteral+Calculi&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T10:46:49.904Z",
  "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": "NCT00581178",
      "title": "Study to Determine if There Are Specific Clinical Factors to Determine Stent Encrustation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581178"
    },
    {
      "nct_id": "NCT02369744",
      "title": "Silodosin Versus Tamsulosin for Treatment of Ureteral Stones",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureteral Calculus",
        "Ureterolithiasis",
        "Ureteral Stone"
      ],
      "interventions": [
        {
          "name": "Silodosin",
          "type": "DRUG"
        },
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "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": 1,
      "start_date": "2013-03",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2020-06-23",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369744"
    },
    {
      "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": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 16,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • La Mesa, California + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06942949"
    },
    {
      "nct_id": "NCT04069013",
      "title": "Standard vs Mini-PCNL for the Treatment of Stone Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis",
        "Kidney Stone",
        "Kidney Calculi",
        "Ureteral Calculi",
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "PCNL",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2022-05-01",
      "completion_date": "2025-11-11",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04069013"
    },
    {
      "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": "2026-06-10T10:46:49.904Z",
      "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": "NCT05100017",
      "title": "Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi",
        "Kidney Diseases",
        "Nephrolithiasis",
        "Urolithiasis",
        "Ureteral Diseases",
        "Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "Methocarbamol",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 126,
      "start_date": "2021-09-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05100017"
    },
    {
      "nct_id": "NCT03656913",
      "title": "Validation of Low Dose CT for Diagnosis of Urolithiasis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nephrolithiasis",
        "Ureterolithiases"
      ],
      "interventions": [
        {
          "name": "Extremely low dose CT",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "4 Years to 20 Years"
      },
      "enrollment_count": 15,
      "start_date": "2018-11-30",
      "completion_date": "2020-09-28",
      "has_results": false,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03656913"
    },
    {
      "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": "2026-06-10T10:46:49.904Z",
      "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": "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": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123082"
    },
    {
      "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": "2026-06-10T10:46:49.904Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07297953"
    }
  ]
}