{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=6",
    "query": {
      "condition": "Urinary Tract Stones",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 209,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Stones&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T17:44:32.144Z",
  "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": "NCT04333745",
      "title": "Influence of Obesity on Oxalate Metabolism and Handling in Calcium Oxalate Stone Formers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Controlled Diet",
          "type": "OTHER"
        },
        {
          "name": "Carbon-13 Oxalate and Sucralose Ingestion",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 22,
      "start_date": "2021-09-01",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Dallas, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04333745"
    },
    {
      "nct_id": "NCT06138327",
      "title": "A Study of BMN 255 in Participants With Non-Alcoholic Fatty Liver Disease And Hyperoxaluria",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperoxaluria",
        "Nonalcoholic Fatty Liver Disease",
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "BMN 255",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-26",
      "completion_date": "2024-03-25",
      "has_results": false,
      "last_update_posted_date": "2024-06-11",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Chula Vista, California • Chula Vista Isles, Florida + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Chula Vista Isles",
          "state": "Florida"
        },
        {
          "city": "Lawrenceville",
          "state": "Georgia"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06138327"
    },
    {
      "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": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419091"
    },
    {
      "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": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07297953"
    },
    {
      "nct_id": "NCT02577146",
      "title": "The Predictive Value of Ureteral Jet Assessment With Ultrasound in Patients Presenting With Acute Renal Colic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "renal and bladder ultrasound with ureteral jet assessment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2015-10",
      "completion_date": "2019-12",
      "has_results": true,
      "last_update_posted_date": "2019-12-10",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02577146"
    },
    {
      "nct_id": "NCT02625051",
      "title": "Quality of Life in Kidney Stone Patients Undergoing Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Ureteroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Percutaneous nephrolithotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 30,
      "start_date": "2016-07",
      "completion_date": "2019-06-30",
      "has_results": false,
      "last_update_posted_date": "2021-08-06",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02625051"
    },
    {
      "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": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "York, Pennsylvania",
      "locations": [
        {
          "city": "York",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762424"
    },
    {
      "nct_id": "NCT06003348",
      "title": "Hydroxycitrate: A Novel Therapy for Calcium Phosphate Urinary Stones",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Calcium Phosphate Kidney Stones"
      ],
      "interventions": [
        {
          "name": "OHCit- standard dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Potassium Citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "OHCit- low dose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-12-13",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06003348"
    },
    {
      "nct_id": "NCT04430426",
      "title": "Heterozygous Individuals for AGXT and Kidney Stones",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone",
        "Urolithiasis, Calcium Oxalate"
      ],
      "interventions": [
        {
          "name": "Controlled Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2027-07-01",
      "completion_date": "2032-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04430426"
    },
    {
      "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": "2026-10-12T17:44:32.144Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752684"
    }
  ]
}