{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Obstruction",
    "query": {
      "condition": "Urinary Tract Obstruction"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Urinary+Tract+Obstruction&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T01:53:40.729Z",
  "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": "NCT00507455",
      "title": "Solifenacin Succinate With Tamsulosin HCl in Males With Lower Urinary Tract Symptoms and Bladder Outlet Obstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms",
        "Bladder Outlet Obstruction"
      ],
      "interventions": [
        {
          "name": "solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo to solifenacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo to tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 222,
      "start_date": "2007-06",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2014-08-06",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 17,
      "location_summary": "Homewood, Alabama • La Mesa, California • Long Beach, California + 14 more",
      "locations": [
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Bernardino",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507455"
    },
    {
      "nct_id": "NCT02315521",
      "title": "Standardized Prenatal Clinical Care for LUTO",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Urethral Obstruction"
      ],
      "interventions": [
        {
          "name": "Fetal Intervention for LUTO",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Weeks",
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "11 Weeks to 2 Years"
      },
      "enrollment_count": 50,
      "start_date": "2014-12",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02315521"
    },
    {
      "nct_id": "NCT00147654",
      "title": "Effect and Safety Of Detrol LA In Men With Overactive Bladder Symptoms With Or Without Bladder Outlet Obstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Tolterodine ER 4 mg QD",
          "type": "DRUG"
        },
        {
          "name": "Tamsulosin 0.4 mg QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 830,
      "start_date": "2004-11",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 95,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Tucson, Arizona + 92 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00147654"
    },
    {
      "nct_id": "NCT06179654",
      "title": "Preoperative Pelvic Floor Physical Therapy to Minimize Stress Urinary Incontinence After Holmium Laser Enucleation of the Prostate",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Benign Prostatic Hyperplasia With Outflow Obstruction",
        "Urinary Retention",
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Preoperative pelvic floor physical therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 36,
      "start_date": "2023-11-29",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-21",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06179654"
    },
    {
      "nct_id": "NCT00479596",
      "title": "This is a Prospective, Randomized, Double-Blind Study Comparing Intravesical Injection of Botox® to Placebo.",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [
        {
          "name": "Botox",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Urological Sciences Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "40 Years to 90 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2007-01",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2007-05-30",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Culver City, California",
      "locations": [
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479596"
    },
    {
      "nct_id": "NCT04288427",
      "title": "5-Alpha Reductase 2 as a Marker of Resistance to 5ARI Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Benign Prostatic Hyperplasia",
        "Prostate Hyperplasia",
        "Prostate Disease",
        "Prostate Hypertrophy",
        "Prostate Pain",
        "Lower Urinary Tract Symptoms",
        "Urinary Obstruction",
        "Urinary Tract Disease"
      ],
      "interventions": [
        {
          "name": "Finasteride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 120,
      "start_date": "2020-09-25",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04288427"
    },
    {
      "nct_id": "NCT06225479",
      "title": "PRescription Exercise for Older Men With Urinary Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms",
        "Benign Prostatic Hyperplasia"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Calls and Newsletter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "60 Years and older · Male only"
      },
      "enrollment_count": 68,
      "start_date": "2024-01-03",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-17",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06225479"
    },
    {
      "nct_id": "NCT06043063",
      "title": "Local Anesthesia Before Bulkamid Injection",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Urinary Incontinence",
        "Intrinsic Sphincter Deficiency"
      ],
      "interventions": [
        {
          "name": "Topical lidocaine",
          "type": "PROCEDURE"
        },
        {
          "name": "EMLA cream",
          "type": "PROCEDURE"
        },
        {
          "name": "Periurethral block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medstar Health Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2023-09-01",
      "completion_date": "2024-12-23",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06043063"
    },
    {
      "nct_id": "NCT05640115",
      "title": "Obstruction of Malignancy: Percutaneous Renal vs Endoscopic Stent",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cancer",
        "Urinary Obstruction",
        "Malignancy",
        "Urinary Dysfunction",
        "Ureter Obstruction",
        "Ureter Injury"
      ],
      "interventions": [
        {
          "name": "Ureteral Stent",
          "type": "DEVICE"
        },
        {
          "name": "Percutaneous Nephrostomy Tube Placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-09-22",
      "completion_date": "2024-08-21",
      "has_results": false,
      "last_update_posted_date": "2024-12-19",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05640115"
    },
    {
      "nct_id": "NCT07187180",
      "title": "Evaluating the Clinical Efficacy of Thulio vs. Holmium Laser Enucleation of the Prostate",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "BPH With Symptomatic Lower Urinary Tract Symptoms",
        "BPH With Urinary Obstruction"
      ],
      "interventions": [
        {
          "name": "holmium laser",
          "type": "DEVICE"
        },
        {
          "name": "pulsed thulium laser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Smita De",
      "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": 50,
      "start_date": "2025-06-02",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-07-23T01:53:40.729Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07187180"
    }
  ]
}