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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: tamsulosin Clear all
Completed Phase 3 Interventional Results available

Prevention of Post-operative Urinary Retention

NCT02486653
View directory record Official record
Conditions
Urinary Retention, Urinary Tract Infections
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Tamsulosin vs Placebo to Prevent Postoperative Urinary Retention in Female Pelvic Reconstructive Surgery

NCT03524339
View directory record Official record
Conditions
Urinary Retention, Lower Urinary Tract Symptoms, Stress Urinary Incontinence, Pelvic Organ Prolapse
Interventions
Placebo oral capsule, Tamsulosin
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 7, 2021 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 3 Interventional Results available

Actual Use Study of Tamsulosin in Men

NCT02573311
View directory record Official record
Conditions
Urological Manifestations
Interventions
tamsulosin hydrochloride
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
40
States / cities
Birmingham, Alabama • Homewood, Alabama • Hoover, Alabama + 35 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 2 Interventional Results available

Pre-operative Tamsulosin and Time to Spontaneous Void After Hysterectomy

NCT04859660
View directory record Official record
Conditions
Urinary Retention Postoperative
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Phoenix, Arizona • Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Sep 27, 2026, 5:25 AM EDT
Recruiting Phase 3 Interventional

Peri-operative Tamsulosin and Impact on Voiding Trial After Same-day Urogynecology Surgery

NCT06843538
View directory record Official record
Conditions
Postoperative Urinary Retention (POUR)
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Sep 27, 2026, 5:25 AM EDT
Not listed Phase 4 Interventional

Hernia Surgery Urinary Retention

NCT03027115
View directory record Official record
Conditions
Hernia, Urinary Retention
Interventions
Tamsulosin
Drug
Lead sponsor
Memorial Health University Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 2 Interventional Results available

Solifenacin Succinate With Tamsulosin HCl in Males With Lower Urinary Tract Symptoms and Bladder Outlet Obstruction

NCT00507455
View directory record Official record
Conditions
Lower Urinary Tract Symptoms, Bladder Outlet Obstruction
Interventions
solifenacin succinate, tamsulosin hydrochloride, Placebo to solifenacin, Placebo to tamsulosin
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
45 Years and older · Male only
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
17
States / cities
Homewood, Alabama • La Mesa, California • Long Beach, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 4 Interventional Results available

Dutasteride and Flex Dose of Tamsulosin on as Needed Basis, to Treat Benign Prostatic Hyperplasia

NCT00701779
View directory record Official record
Conditions
Benign Prostatic Hyperplasia
Interventions
Tamsulosin
Drug
Lead sponsor
Siami, Paul F., M.D.
Other
Eligibility
50 Years and older · Male only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 1, 2018 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 3 Interventional

Function of Tamsulosin in Older Males Undergoing Surgery With Indwelling Catheter

NCT06257576
View directory record Official record
Conditions
Postoperative Urinary Tract Infection
Interventions
Tamsulosin, Control Group
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
50 Years and older · Male only
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Atlanta, Georgia • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Medication Effects on Periurethral Sensation,Urethral Sphincter Activity and Pressure Flow Parameters

NCT01028014
View directory record Official record
Conditions
Urethral Sphincter Activity
Interventions
Pseudoephedrine, Tamsulosin, Imipramine, Cyclobenzaprine, Lactose capsule, Solifenacin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 51 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 7, 2012 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of Tamsulosin in Children With Neurogenic Bladder

NCT00796614
View directory record Official record
Conditions
Bladder, Neurogenic
Interventions
tamsulosin hydrochloride, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
2 Years to 16 Years
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
Los Angeles, California • Tampa, Florida • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Sep 27, 2026, 5:25 AM EDT
Terminated Phase 3 Interventional Results available

Use of Tamsulosin to Reduce the Incidence and Duration of Postoperative Urinary Retention Following Spine Surgery

NCT01568918
View directory record Official record
Conditions
Postoperative Urinary Retention
Interventions
Tamsulosin hydrochloride, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 3 Interventional

Study of Tamsulosin and/or Dutasteride to Relieve Urinary Symptoms After Brachytherapy for Localized Prostate Cancer

NCT00244309
View directory record Official record
Conditions
Prostate Cancer
Interventions
tamsulosin and/or dutasteride
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2011 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Preoperative Tamsulosin to Prevent Postoperative Urinary Retention After Surgery For Pelvic Floor Disorders

NCT04232683
View directory record Official record
Conditions
Urinary Retention
Interventions
Tamsulosin 0.4Mg Capsule, Placebo oral tablet
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Efficacy of Tamsulosin in the Treatment of Ureteral Stones in Emergency Department Patients

NCT00448123
View directory record Official record
Conditions
Kidney Stones, Ureteral Stones
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Robert Swor
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 27, 2026, 5:25 AM EDT
Terminated Not applicable Interventional Results available

Efficacy of Flomax to Improve Stone Passage Following Shock Wave Lithotripsy

NCT00209131
View directory record Official record
Conditions
Urolithiasis
Interventions
Flomax, Sugar pill
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2013 · Synced Sep 27, 2026, 5:25 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Exploration of Pupil Dilation in Horner's Patients Taking Flomax

NCT03615508
View directory record Official record
Conditions
Horner Syndrome
Interventions
10% phenylephrine
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 27, 2026, 5:25 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Investigating Medication vs. Prostatic Urethral Lift: Assessment and Comparison of Therapies for BPH

NCT04987892
View directory record Official record
Conditions
BPH
Interventions
UroLift System, Tamsulosin Hydrochloride
Device · Drug
Lead sponsor
NeoTract, Inc.
Industry
Eligibility
45 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 4 Interventional

Trial of Tadalafil, Tamsulosin and Combination for Access Sheath Deployment

NCT03229889
View directory record Official record
Conditions
Nephrolithiasis
Interventions
Cialis 5Mg Tablet, Flomax 0.4Mg Capsule, Cialis + Flomax, Placebo
Drug · Combination Product
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 99 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 27, 2026, 5:25 AM EDT
Not listed Phase 4 Interventional

Daily Versus Twice Per Day Tamsulosin for Ureteral Stent Symptoms

NCT03799120
View directory record Official record
Conditions
Ureteral Diseases
Interventions
Tamsulosin BID, Placebo
Drug · Other
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 24, 2019 · Synced Sep 27, 2026, 5:25 AM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Mirabegron in Men With OAB Symptoms While Taking Tamsulosin Hydrochloride for Lower Urinary Tract Symptoms (LUTS) Due to Benign Prostatic Hyperplasia (BPH)

NCT02757768
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Overactive Bladder
Interventions
Mirabegron, Placebo, Tamsulosin Hydrochloride
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
40 Years and older · Male only
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
32
States / cities
Homewood, Alabama • Huntsville, Alabama • Anchorage, Alaska + 27 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 27, 2026, 5:25 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Tamsulosin to Prevent Postoperative Urinary Retention in Laparoscopic Inguinal Hernia Repair

NCT04434378
View directory record Official record
Conditions
Post Operative Urinary Retention
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Jewish Hospital, Cincinnati, Ohio
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 27, 2026, 5:25 AM EDT
Terminated Phase 4 Interventional Results available

Silodosin Versus Tamsulosin for Treatment of Ureteral Stones

NCT02369744
View directory record Official record
Conditions
Ureteral Calculus, Ureterolithiasis, Ureteral Stone
Interventions
Silodosin, Tamsulosin
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 22, 2020 · Synced Sep 27, 2026, 5:25 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Differential Effect of Silodosin Versus Tamsulosin on Stone Clearance After Extra-corporeal Shock Wave Lithotripsy

NCT01560091
View directory record Official record
Conditions
Kidney Stones
Interventions
silodosin, Extra-corporeal shock wave lithotripsy, Tamsulosin
Drug · Procedure
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 16, 2017 · Synced Sep 27, 2026, 5:25 AM EDT