{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Uric+Acid+Stones",
    "query": {
      "condition": "Uric Acid Stones"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:45:46.171Z",
  "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": "NCT02975986",
      "title": "Renal Uptake of Fatty Acids (FFA) in Patients With Idiopathic Uric Acid Nephrolithiasis (IUAN)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uric Acid Nephrolithiasis"
      ],
      "interventions": [
        {
          "name": "123I-BMIPP",
          "type": "OTHER"
        },
        {
          "name": "99mTc-MAG3",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "21 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-01",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02975986"
    },
    {
      "nct_id": "NCT00904046",
      "title": "Pathophysiology of Uric Acid Nephrolithiasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uric Acid Kidney Stone Disease"
      ],
      "interventions": [
        {
          "name": "Pioglitazone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 172,
      "start_date": "2010-01-15",
      "completion_date": "2017-11-16",
      "has_results": false,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00904046"
    },
    {
      "nct_id": "NCT06335537",
      "title": "Impact of Sodium Bicarbonate on 24-hour Urine Parameters in Hypocitriuric and Uric Acid Stone Formers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Uric Acid Stones"
      ],
      "interventions": [
        {
          "name": "Potassium citrate",
          "type": "DRUG"
        },
        {
          "name": "Sodium bicarbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-05-01",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-06-24",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06335537"
    },
    {
      "nct_id": "NCT04370093",
      "title": "Pathogenesis of Uric Acid Nephrolithiasis: Role of Pioglitazone/Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nephrolithiasis, Uric Acid"
      ],
      "interventions": [
        {
          "name": "Pioglitazone 45 mg",
          "type": "DRUG"
        },
        {
          "name": "Weight Loss",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pioglitazone + Weight Loss",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "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": 29,
      "start_date": "2019-10-17",
      "completion_date": "2025-05-28",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04370093"
    },
    {
      "nct_id": "NCT04621929",
      "title": "Phentermine/Topiramate for Uric Acid Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Obesity",
        "Uric Acid Stones",
        "Type 2 Diabetes Mellitus in Obese",
        "Pre-Diabetes"
      ],
      "interventions": [
        {
          "name": "Phentermine / Topiramate Oral Product",
          "type": "DRUG"
        },
        {
          "name": "Citrate Salts, Allopurinol, Diet",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 19,
      "start_date": "2021-03-31",
      "completion_date": "2024-11-14",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04621929"
    },
    {
      "nct_id": "NCT01077284",
      "title": "Febuxostat Versus Allopurinol or Placebo in Patients With Hyperuricosuria and Calcium Oxalate Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hyperuricosuria",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Febuxostat",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 99,
      "start_date": "2010-02",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2013-02-15",
      "last_synced_at": "2026-05-22T09:45:46.171Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01077284"
    }
  ]
}