{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tamsulosin+hydrochloride",
    "query": {
      "intervention": "Tamsulosin hydrochloride"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 59,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tamsulosin+hydrochloride&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T02:18:07.736Z",
  "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": "NCT07174349",
      "title": "Uroselective Alpha-1-Antagonist to Reduce the Incidence and Duration of Postoperative Urinary Retention Following Spine Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Retention Postoperative"
      ],
      "interventions": [
        {
          "name": "Uroselective alpha-1-adrenergic receptor antagonist",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-10-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07174349"
    },
    {
      "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": "2026-10-01T02:18:07.736Z",
      "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": "NCT00333112",
      "title": "A Study to Evaluate Solifenacin Succinate in Combination With Tamsulosin for the Treatment of Residual Overactive Bladder Symptoms (OAB) in Men.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "solifenacin succinate",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "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": 398,
      "start_date": "2006-05",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 74,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tuscon, Arizona + 67 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tuscon",
          "state": "Arizona"
        },
        {
          "city": "Atherton",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333112"
    },
    {
      "nct_id": "NCT05100017",
      "title": "Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Calculi",
        "Kidney Diseases",
        "Nephrolithiasis",
        "Urolithiasis",
        "Ureteral Diseases",
        "Ureteral Calculi"
      ],
      "interventions": [
        {
          "name": "Methocarbamol",
          "type": "DRUG"
        },
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 126,
      "start_date": "2021-09-30",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05100017"
    },
    {
      "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": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369744"
    },
    {
      "nct_id": "NCT01457573",
      "title": "Pilot Trial Of Urinary Nerve Growth Factor (NGF) As Biomarker for Male Lower Urinary Tract Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Solifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Timothy Boone, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2011-10",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01457573"
    },
    {
      "nct_id": "NCT00090103",
      "title": "Benign Prostatic Hyperplasia Trial With Dutasteride And Tamsulosin Combination Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostatic Hyperplasia"
      ],
      "interventions": [
        {
          "name": "dutasteride 0.5mg once daily for 4 years",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin 0.4mg once daily for 4 years",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 4844,
      "start_date": "2003-11",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2017-02-28",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 113,
      "location_summary": "Birmingham, Alabama • Columbiana, Alabama • Hoover, Alabama + 98 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Columbiana",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00090103"
    },
    {
      "nct_id": "NCT03799120",
      "title": "Daily Versus Twice Per Day Tamsulosin for Ureteral Stent Symptoms",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureteral Diseases"
      ],
      "interventions": [
        {
          "name": "Tamsulosin BID",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Gundersen Lutheran Medical Foundation",
      "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": 80,
      "start_date": "2019-02-18",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2019-02-25",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "La Crosse, Wisconsin",
      "locations": [
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799120"
    },
    {
      "nct_id": "NCT00537654",
      "title": "A Study To Compare Giving AVODART And FLOMAX Together Or In A Combination Capsule In The Fed And Fasted State",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Hyperplasia"
      ],
      "interventions": [
        {
          "name": "Treatment sequence A",
          "type": "DRUG"
        },
        {
          "name": "Treatment sequence B",
          "type": "DRUG"
        },
        {
          "name": "Treatment sequence C",
          "type": "DRUG"
        },
        {
          "name": "Treatment sequence D",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 81,
      "start_date": "2007-10-18",
      "completion_date": "2008-02-22",
      "has_results": false,
      "last_update_posted_date": "2017-08-17",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 2,
      "location_summary": "Evansville, Indiana • Austin, Texas",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00537654"
    },
    {
      "nct_id": "NCT01560091",
      "title": "Differential Effect of Silodosin Versus Tamsulosin on Stone Clearance After Extra-corporeal Shock Wave Lithotripsy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "silodosin",
          "type": "DRUG"
        },
        {
          "name": "Extra-corporeal shock wave lithotripsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "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": 0,
      "start_date": "2012-03",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2017-02-17",
      "last_synced_at": "2026-10-01T02:18:07.736Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01560091"
    }
  ]
}