{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stone&page=2",
    "query": {
      "condition": "Urinary Tract Stone",
      "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=Urinary+Tract+Stone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T10:18:13.213Z",
  "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": "NCT03847090",
      "title": "Establishing the Safety and Efficacy of Reloxaliase in Patients With Enteric Hyperoxaluria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Enteric Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "Reloxaliase",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allena Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2019-08-26",
      "completion_date": "2022-05-19",
      "has_results": false,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 64,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03847090"
    },
    {
      "nct_id": "NCT00381849",
      "title": "Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cystinuria",
        "Nephrolithiasis, Calcium Oxalate"
      ],
      "interventions": [
        {
          "name": "Cystone",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill (Placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-04",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00381849"
    },
    {
      "nct_id": "NCT03095885",
      "title": "A Pilot Study of Oxalate Absorption in Secondary Hyperoxaluria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondary Hyperoxaluria",
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Test Meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Allena Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2016-11",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2021-10-28",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Shreveport, Louisiana + 2 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        },
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03095885"
    },
    {
      "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": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04069013"
    },
    {
      "nct_id": "NCT02224287",
      "title": "Assessment of Fluoroscopy Times With Surgeon Versus Technologist Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Technologist control of fluoroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgeon control of fluoroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Years to 25 Years"
      },
      "enrollment_count": 74,
      "start_date": "2013-01",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2020-06-29",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02224287"
    },
    {
      "nct_id": "NCT07322172",
      "title": "Pilot Study of Patient Navigation for Kidney Stone Patients After ED Visits",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Patient Navigation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2026-07",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322172"
    },
    {
      "nct_id": "NCT06330701",
      "title": "Stone Access and Removal (STAR) Study",
      "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": "2024-01-18",
      "completion_date": "2025-03-11",
      "has_results": true,
      "last_update_posted_date": "2026-02-18",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Madison, Wisconsin",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06330701"
    },
    {
      "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": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "Keller, Texas",
      "locations": [
        {
          "city": "Keller",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074112"
    },
    {
      "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": "2026-06-10T10:18:13.213Z",
      "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": "NCT07087977",
      "title": "HoYAG vs TFL in miniPCNL With ClearPetra",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nephrolithiasis",
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "HoYAG laser",
          "type": "DEVICE"
        },
        {
          "name": "TFL laser platform",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Kansas 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": 150,
      "start_date": "2025-08-22",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-06-10T10:18:13.213Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07087977"
    }
  ]
}