{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oxalate+Urolithiasis",
    "query": {
      "condition": "Oxalate Urolithiasis"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 39,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oxalate+Urolithiasis&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T20:14:33.635Z",
  "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": "NCT04051346",
      "title": "Dietary Oxalate and Innate Immunity in Kidney Stone Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Low Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Oxalate Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 14,
      "start_date": "2021-03-05",
      "completion_date": "2025-05-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-26",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04051346"
    },
    {
      "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": "2026-06-26T20:14:33.635Z",
      "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"
    },
    {
      "nct_id": "NCT04669860",
      "title": "Evaluating the Bacterial and Fungal Microbiome in Patients With Calcium Oxalate Urolithiasis and Renal Cell Carcinoma",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Calcium Oxalate Urolithiasis",
        "Renal Cell Carcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2021-02-24",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04669860"
    },
    {
      "nct_id": "NCT07408076",
      "title": "Sodium Bicarbonate as an Alternative to Potassium Citrate for Kidney Stones",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Kidney Stones, Urolithiasis, Hypocitraturia",
        "Nephrolithiasis"
      ],
      "interventions": [
        {
          "name": "Potassium Citrate",
          "type": "DRUG"
        },
        {
          "name": "Sodium Bicarbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": "2026-02-01",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Sacramento, California • San Diego, California + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07408076"
    },
    {
      "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": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "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": "NCT02503345",
      "title": "Evaluate the Effect of ALLN-177 in Reducing Urinary Oxalate in Patients With Hyperoxaluria and Kidney Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Hyperoxaluria",
        "Nephrolithiasis",
        "Kidney Stones",
        "Hyperoxaluria",
        "Dietary Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "ALLN-177 low dose",
          "type": "DRUG"
        },
        {
          "name": "ALLN-177 mid dose",
          "type": "DRUG"
        },
        {
          "name": "ALLN-177 high dose",
          "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": 32,
      "start_date": "2015-07",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2018-01-11",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 16,
      "location_summary": "Los Angeles, California • Daytona Beach, Florida • Jacksonville, Florida + 13 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02503345"
    },
    {
      "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": "2026-06-26T20:14:33.635Z",
      "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": "NCT03808090",
      "title": "Obesity and Endogenous Oxalate Synthesis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Normal Individuals",
          "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": "70 Years",
        "sex": "ALL",
        "summary": "19 Years to 70 Years"
      },
      "enrollment_count": 58,
      "start_date": "2013-01-01",
      "completion_date": "2024-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03808090"
    },
    {
      "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": "2026-06-26T20:14:33.635Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01127854"
    },
    {
      "nct_id": "NCT06932146",
      "title": "A Phase 2a Study of LLX-424 in Patients With a History of Kidney Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "LLX-424",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lilac Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 51,
      "start_date": "2025-03-23",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-06-26T20:14:33.635Z",
      "location_count": 3,
      "location_summary": "Saint Paul, Minnesota • Springfield, Missouri • San Antonio, Texas",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06932146"
    }
  ]
}