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ClinicalTrials.gov public records Last synced Oct 2, 2026, 3:22 PM EDT

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Showing 25–48 of 59 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: tamsulosin hydrochloride Clear all
Completed Phase 4 Interventional

Effect and Safety Of Detrol LA In Men With Overactive Bladder Symptoms With Or Without Bladder Outlet Obstruction

NCT00147654
View directory record Official record
Conditions
Urinary Incontinence
Interventions
Tolterodine ER 4 mg QD, Tamsulosin 0.4 mg QD
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
40 Years and older · Male only
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
95
States / cities
Birmingham, Alabama • Homewood, Alabama • Tucson, Arizona + 92 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 2 Interventional Results available

An 8-week, Open-label, Uncontrolled Study of Tamsulosin 0.4mg in Men With Bothersome Urinary Symptoms

NCT01726270
View directory record Official record
Conditions
Lower Urinary Tract Symptoms
Interventions
tamsulosin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 100 Years · Male only
Enrollment
689 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
18
States / cities
Hoover, Alabama • Mesa, Arizona • Encino, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2020 · Synced Oct 2, 2026, 3:22 PM 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 12, 2016 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT02509104
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
FDC capsule of dutasteride and tamsulosin, Dutasteride soft gelatine capsule and tamsulosin HCl oral disintegrating tablet
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Oct 2, 2026, 3:22 PM 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 25, 2023 · Synced Oct 2, 2026, 3:22 PM 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 30, 2024 · Synced Oct 2, 2026, 3:22 PM EDT
Active, not recruiting Not applicable Interventional

Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure

NCT05100017
View directory record Official record
Conditions
Kidney Calculi, Kidney Diseases, Nephrolithiasis, Urolithiasis, Ureteral Diseases, Ureteral Calculi
Interventions
Methocarbamol, Oxybutynin
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 1 Interventional

Treatment of Supine Hypertension in Autonomic Failure

NCT00223717
View directory record Official record
Conditions
Hypertension
Interventions
Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
Drug · Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 4 Interventional Results available

Tamsulosin for Urolithiasis in the Emergency Dept

NCT00382265
View directory record Official record
Conditions
Ureterolithiases
Interventions
tamsulosin, Placebo
Drug · Other
Lead sponsor
Andrew Meltzer
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
4
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Oct 2, 2026, 3:22 PM EDT
Recruiting Phase 4 Interventional

Uroselective Alpha-1-Antagonist to Reduce the Incidence and Duration of Postoperative Urinary Retention Following Spine Surgery

NCT07174349
View directory record Official record
Conditions
Urinary Retention Postoperative
Interventions
Uroselective alpha-1-adrenergic receptor antagonist, Placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
35 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 2, 2026, 3:22 PM 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 8, 2012 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 4 Interventional Results available

Treatment of Symptoms After Stent Placement for Urinary Tract Obstruction

NCT01741454
View directory record Official record
Conditions
Ureteral Obstruction
Interventions
Tamsulosin, Tolterodine ER
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 2, 2026, 3:22 PM EDT
Terminated Phase 3 Interventional Results available

Trial of Prophylactic Tamsulosin for Postoperative Urinary Retention in Primary Total Hip and Knee Arthroplasty Patients

NCT02518971
View directory record Official record
Conditions
Postoperative Urinary Retention
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
35 Years and older · Male only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 12, 2019 · Synced Oct 2, 2026, 3:22 PM EDT
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 25, 2019 · Synced Oct 2, 2026, 3:22 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Impact of Tamsulosin on Post-Operative Urinary Retention Following Pelvic Reconstructive Surgery

NCT04597372
View directory record Official record
Conditions
Urinary Retention Postoperative
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years and older · Female only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 2, 2026, 3:22 PM 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 17, 2026 · Synced Oct 2, 2026, 3:22 PM 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 25, 2019 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Not applicable Interventional

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

NCT00600405
View directory record Official record
Conditions
Nephrolithiasis, Ureteral Calculi
Interventions
tamsulosin, Standard therapy with ibuprofen and oxycodone.
Drug
Lead sponsor
MaineHealth
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Jan 25, 2008 · Synced Oct 2, 2026, 3:22 PM 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 8, 2020 · Synced Oct 2, 2026, 3:22 PM 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 6, 2014 · Synced Oct 2, 2026, 3:22 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Preoperative Tamsulosin on Postoperative Urinary Retention

NCT05753670
View directory record Official record
Conditions
Postoperative Retention of Urine
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Oct 2, 2026, 3:22 PM 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 23, 2020 · Synced Oct 2, 2026, 3:22 PM 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 3, 2022 · Synced Oct 2, 2026, 3:22 PM 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 28, 2013 · Synced Oct 2, 2026, 3:22 PM EDT