{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=tamsulosin",
    "query": {
      "intervention": "tamsulosin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 60,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=tamsulosin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T13:34:58.043Z",
  "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": "NCT00824200",
      "title": "Behavior and Exercise Versus Drug Treatment in Men With Nocturia (BEDTiMe)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nocturia"
      ],
      "interventions": [
        {
          "name": "Behavioral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "tamsulosin (alpha-adrenergic antagonist medication)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Atlanta VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2008-07",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824200"
    },
    {
      "nct_id": "NCT02684344",
      "title": "Prophylactic Tamsulosin Use for Prevention of Post-Operative Urinary Retention",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Urinary Retention"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 5,
      "start_date": "2016-02",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684344"
    },
    {
      "nct_id": "NCT02509104",
      "title": "Bioavailability Study of Fixed Dose Combination (FDC) Dutasteride and Tamsulosin Hydrochloride (HCl) Relative to One Dutasteride and One Tamsulosin HCl Tablet in Healthy Male Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Hyperplasia"
      ],
      "interventions": [
        {
          "name": "FDC capsule of dutasteride and tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Dutasteride soft gelatine capsule and tamsulosin HCl oral disintegrating tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 56,
      "start_date": "2015-07-30",
      "completion_date": "2015-10-10",
      "has_results": false,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02509104"
    },
    {
      "nct_id": "NCT00609596",
      "title": "A Study To Compare 3 Different Formulations Of Tamsulosin At Steady State.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostatic Hyperplasia"
      ],
      "interventions": [
        {
          "name": "GI198745",
          "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": 24,
      "start_date": "2008-02-26",
      "completion_date": "2008-04-23",
      "has_results": false,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609596"
    },
    {
      "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": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02369744"
    },
    {
      "nct_id": "NCT01252472",
      "title": "Flomax Study for Floppy Iris Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Floppy Iris Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Michigan",
      "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": 36,
      "start_date": "2010-06",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01252472"
    },
    {
      "nct_id": "NCT00264017",
      "title": "Palladium-103 Seed Implant and Single Daily Dosing of Uroxatral Vs. Twice Daily Dosing of Flomax- A 3 Month Retrospective Efficacy Analysis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer Patients Undergoing External Radiation and Seed Implantation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Dattoli Cancer Center and Brachytherapy Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "MALE",
        "summary": "45 Years to 80 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2005-11",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2005-12-12",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Sarasota, Florida",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00264017"
    },
    {
      "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": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01457573"
    },
    {
      "nct_id": "NCT02518971",
      "title": "Trial of Prophylactic Tamsulosin for Postoperative Urinary Retention in Primary Total Hip and Knee Arthroplasty Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Urinary Retention"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "35 Years and older · Male only"
      },
      "enrollment_count": 176,
      "start_date": "2015-08",
      "completion_date": "2018-12-19",
      "has_results": true,
      "last_update_posted_date": "2019-04-12",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02518971"
    },
    {
      "nct_id": "NCT00223717",
      "title": "Treatment of Supine Hypertension in Autonomic Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Nitroglycerin transdermal",
          "type": "DRUG"
        },
        {
          "name": "Dipyridamole/ Aspirin (Aggrenox)",
          "type": "DRUG"
        },
        {
          "name": "Desmopressin (DDAVP)",
          "type": "DRUG"
        },
        {
          "name": "Sildenafil",
          "type": "DRUG"
        },
        {
          "name": "Nifedipine",
          "type": "DRUG"
        },
        {
          "name": "Hydralazine",
          "type": "DRUG"
        },
        {
          "name": "Hydrochlorothiazide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Bosentan",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        },
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "guanfacine",
          "type": "DRUG"
        },
        {
          "name": "L-arginine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "captopril",
          "type": "DRUG"
        },
        {
          "name": "carbidopa",
          "type": "DRUG"
        },
        {
          "name": "losartan",
          "type": "DRUG"
        },
        {
          "name": "metoprolol tartrate",
          "type": "DRUG"
        },
        {
          "name": "nebivolol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "prazosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "tamsulosin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Head-up tilt.",
          "type": "OTHER"
        },
        {
          "name": "aliskiren",
          "type": "DRUG"
        },
        {
          "name": "Local heat stress",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Vanderbilt 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": 152,
      "start_date": "2001-01",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-03T13:34:58.043Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223717"
    }
  ]
}