{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Stones&page=3",
    "query": {
      "condition": "Ureteral Stones",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 52,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Stones&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ureteral+Stones&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T01:57:12.982Z",
  "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": "NCT00448123",
      "title": "The Efficacy of Tamsulosin in the Treatment of Ureteral Stones in Emergency Department Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones",
        "Ureteral Stones"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Robert Swor",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": "2007-02",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2016-10-12",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00448123"
    },
    {
      "nct_id": "NCT00177086",
      "title": "Alfuzosin Hydrochloride to Promote Passage of Distal Ureteral Calculi",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Calculi",
        "Ureteral Calculi",
        "Colic"
      ],
      "interventions": [
        {
          "name": "Alfuzosin Hydrochloride",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2005-09",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2013-03-18",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00177086"
    },
    {
      "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": "2026-10-04T01:57:12.982Z",
      "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": "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": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05100017"
    },
    {
      "nct_id": "NCT01189071",
      "title": "Preoperative Use of Darifenacin (Enablex) to Alleviate Postoperative Ureteral Stent Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overactive Bladder",
        "Renal Colic",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Darifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2009-08",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189071"
    },
    {
      "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": "2026-10-04T01:57:12.982Z",
      "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": "NCT02210650",
      "title": "Trial Comparing Relapse Rates Between Standard Ureteroscopic Removal Of Ureteral Stone And Standard Removal With Additional Ureterorenic Clearing Of Non-Symptomatic Stones In The Kidney",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ureteral Stones, Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Symptomatic stone removal",
          "type": "PROCEDURE"
        },
        {
          "name": "Asymptomatic kidney stones and ureteral stone removed",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana Kidney Stone Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2014-11",
      "completion_date": "2022-05",
      "has_results": false,
      "last_update_posted_date": "2022-05-25",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 4,
      "location_summary": "Indianapolis, Indiana • Minneapolis, Minnesota • Seattle, Washington",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02210650"
    },
    {
      "nct_id": "NCT02944825",
      "title": "Antibiotic Prophylaxis With Routine Ureteral Stent Removal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis",
        "UTI"
      ],
      "interventions": [
        {
          "name": "Ciprofloxacin",
          "type": "DRUG"
        },
        {
          "name": "trimethoprim/sulfamethoxazole",
          "type": "DRUG"
        },
        {
          "name": "No Intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80,
      "start_date": "2016-01",
      "completion_date": "2025-03",
      "has_results": false,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02944825"
    },
    {
      "nct_id": "NCT06083051",
      "title": "Differences in Postoperative Symptoms With Four Ureteral Stents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Stone"
      ],
      "interventions": [
        {
          "name": "6Fr Percuflex ureteral stents",
          "type": "DEVICE"
        },
        {
          "name": "6Fr Tria ureteral stents",
          "type": "DEVICE"
        },
        {
          "name": "4.8Fr Tria ureteral stents",
          "type": "DEVICE"
        },
        {
          "name": "4.8Fr Percuflex ureteral stents",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 272,
      "start_date": "2024-03-21",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-04T01:57:12.982Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06083051"
    },
    {
      "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": "2026-10-04T01:57:12.982Z",
      "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"
    }
  ]
}