{
  "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": "2026-09-26T14:37:02.667Z",
  "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": "NCT01726270",
      "title": "An 8-week, Open-label, Uncontrolled Study of Tamsulosin 0.4mg in Men With Bothersome Urinary Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "MALE",
        "summary": "18 Years to 100 Years · Male only"
      },
      "enrollment_count": 689,
      "start_date": "2012-11",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2020-03-27",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 18,
      "location_summary": "Hoover, Alabama • Mesa, Arizona • Encino, California + 15 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "La Habra",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01726270"
    },
    {
      "nct_id": "NCT04994431",
      "title": "Post-Operative Urinary Retention (POUR) in Thoracic Surgery Patients Receiving Prophylactic Tamsulosin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thoracic Diseases",
        "Urinary Retention"
      ],
      "interventions": [
        {
          "name": "Tamsulosin Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "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": 109,
      "start_date": "2021-08-01",
      "completion_date": "2023-10-04",
      "has_results": true,
      "last_update_posted_date": "2024-11-07",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04994431"
    },
    {
      "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": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609596"
    },
    {
      "nct_id": "NCT04597372",
      "title": "Impact of Tamsulosin on Post-Operative Urinary Retention Following Pelvic Reconstructive Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urinary Retention Postoperative"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 154,
      "start_date": "2021-11-03",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597372"
    },
    {
      "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": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684344"
    },
    {
      "nct_id": "NCT01100021",
      "title": "Hemodynamic Study of Avanafil and Two α-Adrenergic Blockers,Doxazosin and Tamsulosin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "Tamsulosin and avanafil",
          "type": "DRUG"
        },
        {
          "name": "Doxazosin and avanafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VIVUS LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "40 Years to 65 Years · Male only"
      },
      "enrollment_count": 48,
      "start_date": "2010-02",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2011-01-07",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100021"
    },
    {
      "nct_id": "NCT04147806",
      "title": "A Pilot Study of Ultra-High-Dose Hypofractionated or Single-Dose Radiotherapy for Intermediate Risk Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "IGRT 45 Gy in 5 fractions of 9 Gy",
          "type": "RADIATION"
        },
        {
          "name": "IGRT 24 Gy single dose",
          "type": "RADIATION"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "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": 31,
      "start_date": "2016-08-01",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04147806"
    },
    {
      "nct_id": "NCT02184585",
      "title": "Comparative Bioavailability of Two Fixed Dose Combination (FDC) Formulations of Dutasteride and Tamsulosin Hydrochloride Relative to Co-administration of Dutasteride With Tamsulosin Hydrochloride in Healthy Male Subjects Under Fed and Fasted States",
      "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"
        }
      ],
      "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": 84,
      "start_date": "2014-07-10",
      "completion_date": "2015-02-23",
      "has_results": false,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02184585"
    },
    {
      "nct_id": "NCT01175382",
      "title": "Combined Behavioral and Drug Treatment of Overactive Bladder in Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Overactive Bladder",
        "Lower Urinary Tract Symptoms"
      ],
      "interventions": [
        {
          "name": "Behavioral training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tolterodine + tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Combined Behavioral + Drug Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 204,
      "start_date": "2010-07",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-25",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Atlanta, Georgia • San Antonio, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01175382"
    },
    {
      "nct_id": "NCT05753670",
      "title": "Effect of Preoperative Tamsulosin on Postoperative Urinary Retention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Retention of Urine"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 179,
      "start_date": "2023-07-01",
      "completion_date": "2024-06-02",
      "has_results": true,
      "last_update_posted_date": "2025-10-28",
      "last_synced_at": "2026-09-26T14:37:02.667Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05753670"
    }
  ]
}