{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=5",
    "query": {
      "condition": "Urinary Tract Stones",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 209,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T10:26:45.050Z",
  "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": "NCT04112160",
      "title": "Prospective Randomized Controlled Trial for Pain Relief After Office Ureteral Stent Removal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain",
        "Urinary Stone",
        "Urinary Calculi"
      ],
      "interventions": [
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 125,
      "start_date": "2018-06-28",
      "completion_date": "2019-08-30",
      "has_results": true,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112160"
    },
    {
      "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": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04069338"
    },
    {
      "nct_id": "NCT04663269",
      "title": "Regional Erector Spinae Analgesic Block vs Standard of Care Undergoing Percutaneous Nephrolithotomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Stone",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "4mg PF Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Control Test",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2020-02-24",
      "completion_date": "2020-09-24",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04663269"
    },
    {
      "nct_id": "NCT04556201",
      "title": "The Performance of the SOLTIVE Laser System for Laser Lithotripsy in Kidney or Ureteral Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Ureteral Stone"
      ],
      "interventions": [
        {
          "name": "SOLTIVE™ Premium SuperPulsed Laser Fiber System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Olympus Corporation of the Americas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2020-12-01",
      "completion_date": "2023-05-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Loma Linda, California • Kansas City, Kansas + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04556201"
    },
    {
      "nct_id": "NCT02122341",
      "title": "Clinical Evaluation of BackStop in Patients Undergoing Ureteroscopic Lithotripsy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "BackStop",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2014-04",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2019-05-22",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Virginia Beach, Virginia",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02122341"
    },
    {
      "nct_id": "NCT02547805",
      "title": "Evaluate the Effect of ALLN-177 in Reducing Urinary Oxalate in Patients With Secondary Hyperoxaluria and Kidney Stones Over 28 Days",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Hyperoxaluria",
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Kidney Stones",
        "Dietary Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "ALLN-177",
          "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": 66,
      "start_date": "2015-09",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-19",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 22,
      "location_summary": "Pheonix, Arizona • Tuscon, Arizona • Little Rock, Arkansas + 19 more",
      "locations": [
        {
          "city": "Pheonix",
          "state": "Arizona"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02547805"
    },
    {
      "nct_id": "NCT01127854",
      "title": "Pilot Study to Evaluate the Contribution of Gene Variants to Idiopathic Urolithiasis",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Stones",
        "Urolithiasis",
        "Calcium Oxalate Urolithiasis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2900,
      "start_date": "2009-12",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01127854"
    },
    {
      "nct_id": "NCT04519294",
      "title": "Comparison of Laser Lithotripsy With and Without Steerable Ureteroscopic Renal Evacuation (SURE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Renal Stone",
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "SURE",
          "type": "DEVICE"
        },
        {
          "name": "Standard Ureteroscopy (Basketing)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Calyxo, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2021-06-16",
      "completion_date": "2025-04-30",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 11,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        },
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04519294"
    },
    {
      "nct_id": "NCT03872843",
      "title": "Opioid Free Management After Ureteroscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Norco 5milligram-325milligram Tablet",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen 400 MILLIGRAM in 1 TABLET ORAL TABLET, FILM COATED",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 22,
      "start_date": "2019-09-19",
      "completion_date": "2020-02-26",
      "has_results": true,
      "last_update_posted_date": "2021-03-11",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03872843"
    },
    {
      "nct_id": "NCT03752684",
      "title": "Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Calcium Oxalate Urolithiasis"
      ],
      "interventions": [
        {
          "name": "Moderately high oxalate/low calcium diet non-colonized",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oxalobacter formigenes",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Moderately high oxalate/low calcium diet colonized",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 26,
      "start_date": "2018-04-02",
      "completion_date": "2025-05-22",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-10-09T10:26:45.050Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752684"
    }
  ]
}