{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Urine+Marker&page=4",
    "query": {
      "intervention": "Urine Marker",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 190,
    "total_pages": 19,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Urine+Marker&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Urine+Marker&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T18:42:59.492Z",
  "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": "NCT03866382",
      "title": "Testing the Effectiveness of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) With One Anti-cancer Targeted Drug (Cabozantinib) for Rare Genitourinary Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Adenocarcinoma",
        "Bladder Clear Cell Adenocarcinoma",
        "Bladder Mixed Adenocarcinoma",
        "Bladder Neuroendocrine Carcinoma",
        "Bladder Small Cell Neuroendocrine Carcinoma",
        "Bladder Squamous Cell Carcinoma",
        "Chromophobe Renal Cell Carcinoma",
        "Collecting Duct Carcinoma",
        "Invasive Bladder Giant Cell Urothelial Carcinoma",
        "Invasive Bladder Lymphoepithelioma-Like Carcinoma",
        "Invasive Bladder Nested Urothelial Carcinoma",
        "Invasive Bladder Plasmacytoid Urothelial Carcinoma",
        "Invasive Bladder Sarcomatoid Urothelial Carcinoma",
        "Invasive Bladder Urothelial Carcinoma",
        "Kidney Medullary Carcinoma",
        "Large Cell Neuroendocrine Carcinoma",
        "Malignant Testicular Leydig Cell Tumor",
        "Malignant Testicular Sertoli Cell Tumor",
        "Metastatic Bladder Carcinoma",
        "Metastatic Bladder Clear Cell (Glycogen-Rich) Urothelial Carcinoma",
        "Metastatic Bladder Giant Cell Urothelial Carcinoma",
        "Metastatic Bladder Large Cell Neuroendocrine Carcinoma",
        "Metastatic Bladder Lipid-Rich Urothelial Carcinoma",
        "Metastatic Bladder Micropapillary Urothelial Carcinoma",
        "Metastatic Bladder Plasmacytoid Urothelial Carcinoma",
        "Metastatic Bladder Sarcomatoid Urothelial Carcinoma",
        "Metastatic Bladder Small Cell Neuroendocrine Carcinoma",
        "Metastatic Bladder Squamous Cell Carcinoma",
        "Metastatic Chromophobe Renal Cell Carcinoma",
        "Metastatic Kidney Medullary Carcinoma",
        "Metastatic Malignant Genitourinary System Neoplasm",
        "Metastatic Papillary Renal Cell Carcinoma",
        "Metastatic Penile Carcinoma",
        "Metastatic Prostate Small Cell Neuroendocrine Carcinoma",
        "Metastatic Sarcomatoid Renal Cell Carcinoma",
        "Metastatic Urethral Carcinoma",
        "Papillary Renal Cell Carcinoma",
        "Sarcomatoid Renal Cell Carcinoma",
        "Stage IV Bladder Cancer AJCC v8",
        "Stage IV Penile Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Urethral Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8",
        "Urachal Adenocarcinoma",
        "Urethral Clear Cell Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Ipilimumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 314,
      "start_date": "2019-05-13",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-11-12",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 581,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 376 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03866382"
    },
    {
      "nct_id": "NCT00984919",
      "title": "Biomarker 11-dh-TXB2 in Blood and Urine Samples From Patients With Prostate Cancer and Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "mass spectrometry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "40 Years to 120 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2009-11",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2016-02-15",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984919"
    },
    {
      "nct_id": "NCT05699265",
      "title": "Cardiovasculorenal Phenotyping in Fabry Disease Through Noninvasive Testing",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fabry Disease"
      ],
      "interventions": [
        {
          "name": "Measures of arterial stiffness and endothelial function",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ambulatory blood pressure monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cardiopulmonary exercise testing (CPET)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum and urine biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2023-02-01",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05699265"
    },
    {
      "nct_id": "NCT01504932",
      "title": "Freeze-Dried Black Raspberries in Preventing Oral Cancer Recurrence in High At-Risk Appalachian Patients Oral Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Oropharynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Oropharynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "BRB Lozenge",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2007-02-23",
      "completion_date": "2015-04-22",
      "has_results": false,
      "last_update_posted_date": "2020-02-20",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01504932"
    },
    {
      "nct_id": "NCT01753804",
      "title": "A Prospective Natural History Study of Progression of Subjects With Duchenne Muscular Dystrophy.",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Duchenne Muscular Dystrophy"
      ],
      "interventions": [
        {
          "name": "Observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "BioMarin Pharmaceutical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "MALE",
        "summary": "3 Years to 18 Years · Male only"
      },
      "enrollment_count": 269,
      "start_date": "2012-09-01",
      "completion_date": "2016-10-01",
      "has_results": false,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 3,
      "location_summary": "Sacramento, California • Cincinnati, Ohio • Columbus, Ohio",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01753804"
    },
    {
      "nct_id": "NCT02330419",
      "title": "Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Binge Drinking",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Medical Management (MM) counseling for alcohol use:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Urinalysis for novel alcohol biochemical markers:",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Behavioral survey measurements:",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dried Blood Spot (DSB) Testing for Phosphatidylethanol",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ecological Momentary Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2015-04",
      "completion_date": "2021-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02330419"
    },
    {
      "nct_id": "NCT03823443",
      "title": "COPD Exacerbation Blood and Urine Biomarkers Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease",
        "Acute Exacerbation Copd",
        "Alpha-1 Anti-trypsin Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "35 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2018-06-07",
      "completion_date": "2021-01-08",
      "has_results": false,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03823443"
    },
    {
      "nct_id": "NCT02053662",
      "title": "Biomarker Identification for Bladder Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Sample Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 179,
      "start_date": "2014-01-21",
      "completion_date": "2023-11-16",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02053662"
    },
    {
      "nct_id": "NCT03098082",
      "title": "Urine Trypsinogen 2 Dipstick for the Early Detection of Post-ERCP Pancreatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-ERCP Acute Pancreatitis"
      ],
      "interventions": [
        {
          "name": "Actim Pancreatitis",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 394,
      "start_date": "2017-07-06",
      "completion_date": "2020-04-08",
      "has_results": true,
      "last_update_posted_date": "2023-06-26",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03098082"
    },
    {
      "nct_id": "NCT01441687",
      "title": "Comparing the Reliability of Expressed Prostatic Secretion (EPS) and Post Massage Urine (PMU) for the Prediction of Prostate Cancer Biopsy Outcome",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Conditions Influencing Health Status",
        "Healthy",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "transrectal prostate biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 243,
      "start_date": "2009-12-04",
      "completion_date": "2027-02-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-11-15T18:42:59.492Z",
      "location_count": 5,
      "location_summary": "Arcadia, California • Duarte, California • Glendora, California + 2 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Glendora",
          "state": "California"
        },
        {
          "city": "Monterey Park",
          "state": "California"
        },
        {
          "city": "South Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01441687"
    }
  ]
}