{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urolithiasis&page=4",
    "query": {
      "condition": "Urolithiasis",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 262,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urolithiasis&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urolithiasis&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T18:04:35.429Z",
  "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": "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": "2026-10-21T18:04:35.429Z",
      "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": "NCT05866081",
      "title": "Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stone, Kidney",
        "Stone Ureter"
      ],
      "interventions": [
        {
          "name": "Standard of care stent placement",
          "type": "DEVICE"
        },
        {
          "name": "No stent placement",
          "type": "OTHER"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 792,
      "start_date": "2023-06-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 16,
      "location_summary": "Tucson, Arizona • Gainesville, Florida • Indianapolis, Indiana + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Brighton",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05866081"
    },
    {
      "nct_id": "NCT04761107",
      "title": "Impact of COVID-19 on GU Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infection",
        "Genitourinary Cancer",
        "Benign Urologic Conditions"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 15240,
      "start_date": "2021-02-18",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761107"
    },
    {
      "nct_id": "NCT04603898",
      "title": "Oxalate Formation From Ascorbic Acid",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Low Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbon-13 Ascorbic Acid Oral Load",
          "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": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2021-11-15",
      "completion_date": "2027-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603898"
    },
    {
      "nct_id": "NCT07601932",
      "title": "Patient Positioning for Treatment of Proximal Ureteral Stones",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ureteral Stone"
      ],
      "interventions": [
        {
          "name": "Reverse Trendelenburg Position",
          "type": "PROCEDURE"
        },
        {
          "name": "T-Tilt Position",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 54,
      "start_date": "2026-05-21",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07601932"
    },
    {
      "nct_id": "NCT02155803",
      "title": "ACTHAR GEL for Sarcoidosis-Associated Calcium Dysregulation: An Open-label Pilot Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Sarcoidosis",
        "Hypercalcemia Due to Sarcoidosis"
      ],
      "interventions": [
        {
          "name": "ACTHAR Gel (adrenocorticotropic hormone)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albany Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2015-02",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2015-01-26",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02155803"
    },
    {
      "nct_id": "NCT00209131",
      "title": "Efficacy of Flomax to Improve Stone Passage Following Shock Wave Lithotripsy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "Flomax",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2005-04",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2013-10-28",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00209131"
    },
    {
      "nct_id": "NCT06158620",
      "title": "Intra-nasal Ketorolac for Acute Ureteral Stent-associated Pain Following Ureteroscopy for Stone Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Post Operative Pain",
        "Urolithiasis",
        "Ureter Calculi",
        "Stent Complication"
      ],
      "interventions": [
        {
          "name": "intra-nasal ketorolac",
          "type": "DRUG"
        },
        {
          "name": "oral diclofenac",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-03-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06158620"
    },
    {
      "nct_id": "NCT03787615",
      "title": "Feasibility of Using sipIT Tools to Increase Compliance With Fluid Consumption Guidelines in Urolithiasis-Prone Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis"
      ],
      "interventions": [
        {
          "name": "sipIT tools",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2018-11-19",
      "completion_date": "2019-12-01",
      "has_results": true,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03787615"
    },
    {
      "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": "2026-10-21T18:04:35.429Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419091"
    }
  ]
}