{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Renal+Calculus",
    "query": {
      "condition": "Renal Calculus"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 253,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Renal+Calculus&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T02:18:23.041Z",
  "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": "NCT03877276",
      "title": "Dietary Oxalate and Immune Cell Function",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stone"
      ],
      "interventions": [
        {
          "name": "Breakfast",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Spinach smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Kale smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Blended smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "V spinach smoothie",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sodium oxalate drink",
          "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": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 82,
      "start_date": "2016-07-21",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03877276"
    },
    {
      "nct_id": "NCT07161024",
      "title": "AR Projections for Eye-gaze Evaluation in Phantoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Augmented reality",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2024-10-14",
      "completion_date": "2025-02-05",
      "has_results": true,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07161024"
    },
    {
      "nct_id": "NCT02224287",
      "title": "Assessment of Fluoroscopy Times With Surgeon Versus Technologist Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urolithiasis",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "Technologist control of fluoroscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgeon control of fluoroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Years to 25 Years"
      },
      "enrollment_count": 74,
      "start_date": "2013-01",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2020-06-29",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02224287"
    },
    {
      "nct_id": "NCT00581178",
      "title": "Study to Determine if There Are Specific Clinical Factors to Determine Stent Encrustation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-26",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00581178"
    },
    {
      "nct_id": "NCT02404701",
      "title": "Effect of Over-the-counter Dietary Supplements on Kidney Stone Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperoxaluria"
      ],
      "interventions": [
        {
          "name": "Aloe vera with cactus",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cranberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Green tea extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Bilberry",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cinnamon",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Milk thistle",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Turmeric",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Aloe vera",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2015-02",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02404701"
    },
    {
      "nct_id": "NCT02214836",
      "title": "Ultrasound Imaging of Kidney Stones and Lithotripsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Stones",
        "Nephrolithiasis",
        "Urolithiasis",
        "Ureter Stones"
      ],
      "interventions": [
        {
          "name": "Verasonics Data Acquisition System (VDAS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2015-01-01",
      "completion_date": "2026-07-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02214836"
    },
    {
      "nct_id": "NCT00120731",
      "title": "Effects of Potassium Citrate in Urine of Children With Elevated Calcium in Urine and Kidney Stones",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi"
      ],
      "interventions": [
        {
          "name": "Potassium Citrate",
          "type": "DRUG"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Diet low in oxalate and purines",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2005-07",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2020-11-05",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00120731"
    },
    {
      "nct_id": "NCT04663269",
      "title": "Regional Erector Spinae Analgesic Block vs Standard of Care Undergoing Percutaneous Nephrolithotomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Stone",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "4mg PF Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Control Test",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2020-02-24",
      "completion_date": "2020-09-24",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04663269"
    },
    {
      "nct_id": "NCT05350423",
      "title": "Trial Assessing Renal Damage During Ureteroscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nephrolithiasis"
      ],
      "interventions": [
        {
          "name": "Thulium Fibre Laser",
          "type": "DEVICE"
        },
        {
          "name": "Holmium:Yttrium-Aluminum-Garnet",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 108,
      "start_date": "2021-10-22",
      "completion_date": "2022-11-28",
      "has_results": true,
      "last_update_posted_date": "2023-12-07",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05350423"
    },
    {
      "nct_id": "NCT02369744",
      "title": "Silodosin Versus Tamsulosin for Treatment of Ureteral Stones",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureteral Calculus",
        "Ureterolithiasis",
        "Ureteral Stone"
      ],
      "interventions": [
        {
          "name": "Silodosin",
          "type": "DRUG"
        },
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2013-03",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2020-06-23",
      "last_synced_at": "2026-09-03T02:18:23.041Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369744"
    }
  ]
}