{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oxalate+Urolithiasis&page=2",
    "query": {
      "condition": "Oxalate Urolithiasis",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Oxalate+Urolithiasis&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T21:39:27.613Z",
  "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": "NCT03095885",
      "title": "A Pilot Study of Oxalate Absorption in Secondary Hyperoxaluria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondary Hyperoxaluria",
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Test Meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 22,
      "start_date": "2016-11",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2021-10-28",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Shreveport, Louisiana + 2 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        },
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03095885"
    },
    {
      "nct_id": "NCT03847090",
      "title": "Establishing the Safety and Efficacy of Reloxaliase in Patients With Enteric Hyperoxaluria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Enteric Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "Reloxaliase",
          "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": 92,
      "start_date": "2019-08-26",
      "completion_date": "2022-05-19",
      "has_results": false,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 64,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03847090"
    },
    {
      "nct_id": "NCT00587041",
      "title": "Use of Oral Probiotics to Reduce Urinary Oxalate Excretion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Nephrolithiasis",
        "Hyperoxaluria",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Oxadrop",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Agri-King Synbiotic (AKSB)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-02",
      "completion_date": "2009-07",
      "has_results": true,
      "last_update_posted_date": "2012-05-31",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587041"
    },
    {
      "nct_id": "NCT06989320",
      "title": "Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones",
        "Kidney Calculi",
        "Urolithiasis",
        "Urolithiasis, Calcium Oxalate",
        "Nephrolithiasis",
        "Nephrolithiasis, Calcium Oxalate",
        "Oxalate Urolithiasis",
        "Healthy",
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Low-oxalate diet and glycolate dosing",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral glycolate dosing",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Oral 13C- ascorbic acid dosing",
          "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": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-05-27",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Dallas, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06989320"
    },
    {
      "nct_id": "NCT00381849",
      "title": "Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cystinuria",
        "Nephrolithiasis, Calcium Oxalate"
      ],
      "interventions": [
        {
          "name": "Cystone",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill (Placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-04",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00381849"
    },
    {
      "nct_id": "NCT00169754",
      "title": "Attached Stone Project: Do Calcium Oxalate Renal Calculi Originate From Randall's Plaque?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Calculi"
      ],
      "interventions": [
        {
          "name": "mapping kidney anatomy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana Kidney Stone Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2005-04",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2008-09-17",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00169754"
    },
    {
      "nct_id": "NCT05650112",
      "title": "Safety and Tolerability of FB-001 in Healthy Adult Volunteers and Adult Subjects With Enteric Hyperoxaluria",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Enteric Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "FB-001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Federation Bio Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-11-16",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650112"
    },
    {
      "nct_id": "NCT04437225",
      "title": "Renal Metabolism of Glycolate to Oxalate",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Low oxalate controlled Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Primed, continuous intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Bolus intravenous infusion of 13C2-Glycolate",
          "type": "OTHER"
        },
        {
          "name": "Oral bolus administration of 13C2-Glycolate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2020-03-12",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437225"
    },
    {
      "nct_id": "NCT02289755",
      "title": "Evaluating ALLN-177 for Reducing Urinary Oxalate Excretion in Calcium Oxalate Kidney Stone Formers With Hyperoxaluria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hyperoxaluria",
        "Nephrolithiasis"
      ],
      "interventions": [
        {
          "name": "ALLN-177",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allena Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 16,
      "start_date": "2014-09",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 4,
      "location_summary": "Indianapolis, Indiana • Lake Success, New York • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lake Success",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02289755"
    },
    {
      "nct_id": "NCT03704350",
      "title": "Influence of Obesity on Endogenous Oxalate Synthesis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "controlled 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": 40,
      "start_date": "2019-05-24",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-06-26T21:39:27.613Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03704350"
    }
  ]
}