{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biopsy%2C+Kidney&page=4",
    "query": {
      "intervention": "Biopsy, Kidney",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 183,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biopsy%2C+Kidney&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Biopsy%2C+Kidney&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T07:47:11.287Z",
  "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": "NCT01014754",
      "title": "Nephrogenic Systemic Fibrosis (NSF): Analysis of Tissue Gadolinium Levels",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nephrogenic Systemic Fibrosis",
        "Nephrogenic Fibrosing Dermopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 24,
      "start_date": "2007-08",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01014754"
    },
    {
      "nct_id": "NCT04989959",
      "title": "[18F]PT2385 PET/CT in Patients With Renal Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Renal Cell Carcinoma",
        "Clear Cell Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "[18F]PT2385",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography/Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Orhan Kemal Oz",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2021-08-18",
      "completion_date": "2027-08-18",
      "has_results": false,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04989959"
    },
    {
      "nct_id": "NCT03326076",
      "title": "Evaluation of Patient Outcomes From the Kidney Allograft Outcomes AlloSure Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Donor-derived cell-free DNA (AlloSure®)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Standard care",
          "type": "OTHER"
        },
        {
          "name": "Peripheral blood gene expression profiling (AlloMap Kidney)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Analytic platform (IBox)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "CareDx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2018-01-23",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Loma Linda, California • Los Angeles, California + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326076"
    },
    {
      "nct_id": "NCT03964948",
      "title": "Kidney Fibrosis and MRI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Kidney MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "10 Years to 25 Years"
      },
      "enrollment_count": 37,
      "start_date": "2018-08-06",
      "completion_date": "2021-06-18",
      "has_results": false,
      "last_update_posted_date": "2021-09-09",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03964948"
    },
    {
      "nct_id": "NCT00381121",
      "title": "University of Michigan \"Nephrology Research BioBank\"",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 420,
      "start_date": "2006-09",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00381121"
    },
    {
      "nct_id": "NCT05715853",
      "title": "Prospective Assessment of Rejection in Kidney Transplant (PARK)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "QSant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NephroSant",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2022-12-20",
      "completion_date": "2023-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05715853"
    },
    {
      "nct_id": "NCT05725421",
      "title": "Transplantation of Reconstructed Renal Allografts Following Ex-Vivo Partial Nephrectomy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Donor Radical and Partial Nephrectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Kidney Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic Radical Nephrectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2026-09",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05725421"
    },
    {
      "nct_id": "NCT01156428",
      "title": "Inflammatory and Immune Profiling of Kidney Tissue Obtained From Patients With Newly Diagnosed Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Proteinuria",
        "Kidney Injury",
        "Chronic Kidney Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Rogosin Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 119,
      "start_date": "2010-07",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2024-03-15",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156428"
    },
    {
      "nct_id": "NCT04343417",
      "title": "Biorepository to Support Research in Kidney Diseases",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Kidney Injury",
        "Acute Interstitial Nephritis",
        "Kidney Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2020-07-28",
      "completion_date": "2035-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-13",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04343417"
    },
    {
      "nct_id": "NCT05059444",
      "title": "ORACLE: Observation of ResiduAl Cancer With Liquid Biopsy Evaluation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Carcinoma",
        "Ureter Carcinoma",
        "Renal Pelvis Carcinoma",
        "Non-small Cell Lung Cancer",
        "Invasive Breast Carcinoma",
        "Cutaneous Melanoma",
        "Esophageal Carcinoma",
        "Gastroesophageal Junction Carcinoma",
        "Gastric Adenocarcinoma",
        "Pancreatic Adenocarcinoma",
        "Squamous Cell Carcinoma of the Head and Neck",
        "Epithelial Ovarian Carcinoma",
        "Fallopian Tube Carcinoma",
        "Endometrial Carcinoma",
        "Renal Cell Carcinoma",
        "Rectal Adenocarcinoma",
        "Colon Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Guardant Reveal",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Guardant Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2285,
      "start_date": "2021-09-07",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-06T07:47:11.287Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Hot Springs, Arkansas + 30 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05059444"
    }
  ]
}