{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calculi%2C+Urinary&page=2",
    "query": {
      "condition": "Calculi, Urinary",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calculi%2C+Urinary&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:57:17.027Z",
  "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": "NCT01074112",
      "title": "Keller Prehospital Ultrasound Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ultrasonography",
        "Multiple Trauma",
        "Kidney Calculi",
        "Aortic Aneurysm, Abdominal",
        "Pregnancy",
        "Catheterization, Venous"
      ],
      "interventions": [
        {
          "name": "EFAST exam",
          "type": "DEVICE"
        },
        {
          "name": "Pelvic Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "Ultrasound Guided Vascular Access",
          "type": "PROCEDURE"
        },
        {
          "name": "Focused Ultrasound Scan",
          "type": "DEVICE"
        },
        {
          "name": "Cardiac Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Keller Fire Rescue",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 30,
      "start_date": "2010-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-02-24",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Keller, Texas",
      "locations": [
        {
          "city": "Keller",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074112"
    },
    {
      "nct_id": "NCT03419091",
      "title": "LithoVue Single Use Disposable Ureteroscope",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "single-use flexible digital ureteroscope",
          "type": "DEVICE"
        },
        {
          "name": "Reusable Ureteroscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of British Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2017-12-01",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-17",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419091"
    },
    {
      "nct_id": "NCT04590690",
      "title": "Gut Microbiome and Sex as Risk Factors for Kidney Stones After Bariatric Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bariatric Surgery Candidate"
      ],
      "interventions": [
        {
          "name": "Special diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 28,
      "start_date": "2020-11-01",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04590690"
    },
    {
      "nct_id": "NCT05835323",
      "title": "Initial Clinical Experience With the MONARCH Platform, Urology for the Treatment of Kidney Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi"
      ],
      "interventions": [
        {
          "name": "Robotic-assisted mini-PCNL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Auris Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2023-01-11",
      "completion_date": "2023-11-01",
      "has_results": true,
      "last_update_posted_date": "2025-07-08",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05835323"
    },
    {
      "nct_id": "NCT00762424",
      "title": "Effect of Tamsulosin on Stone Expulsion and Pain Resolution in ED Patients With Ureterolithiasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Flowmax",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "WellSpan Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2007-06",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2014-12-17",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "York, Pennsylvania",
      "locations": [
        {
          "city": "York",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762424"
    },
    {
      "nct_id": "NCT03873259",
      "title": "Intraoperative Assessment of of Burst Wave Lithotripsy (BWL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Calculi",
        "Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "Burst Wave Lithotripsy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-08-08",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 2,
      "location_summary": "Carmel, Indiana • Seattle, Washington",
      "locations": [
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03873259"
    },
    {
      "nct_id": "NCT05646069",
      "title": "Evaluation of Novel Disposable Flexible Ureteroscope for the Treatment of Renal Calculi",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "UTI",
        "Stone, Kidney"
      ],
      "interventions": [
        {
          "name": "Storz Flex-XC1 Disposable Flexible Ureteroscope",
          "type": "DEVICE"
        },
        {
          "name": "Storz Flexible Digital Ureteroscope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "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": 6,
      "start_date": "2022-11-15",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-27",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646069"
    },
    {
      "nct_id": "NCT07514351",
      "title": "FANS vs CVAC for Medium to Large Stones",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones",
        "Nephrolithiasis"
      ],
      "interventions": [
        {
          "name": "ureteroscopy",
          "type": "DEVICE"
        },
        {
          "name": "CVAC",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 159,
      "start_date": "2026-06",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07514351"
    },
    {
      "nct_id": "NCT00587041",
      "title": "Use of Oral Probiotics to Reduce Urinary Oxalate Excretion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Oxadrop",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Agri-King Synbiotic (AKSB)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "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": 40,
      "start_date": "2006-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2012-05-31",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587041"
    },
    {
      "nct_id": "NCT04069338",
      "title": "Comparison of Lithotripsy Urolithiasis Machines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Kidney Calculi",
        "Ureteral Calculi",
        "Ureterolithiasis",
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "Lithotripter",
          "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": 6,
      "start_date": "2019-05-31",
      "completion_date": "2022-10-12",
      "has_results": false,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-05-22T06:57:17.027Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04069338"
    }
  ]
}