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ClinicalTrials.gov public records Last synced Sep 13, 2026, 4:02 AM EDT

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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
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Terminated Phase 4 Interventional Results available

Post-Operative Urinary Retention (POUR) in Thoracic Surgery Patients Receiving Prophylactic Tamsulosin

NCT04994431
View directory record Official record
Conditions
Thoracic Diseases, Urinary Retention
Interventions
Tamsulosin Hydrochloride
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
60 Years and older · Male only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Sep 13, 2026, 4:02 AM EDT
Active, not recruiting Phase 1 Interventional

A Pilot Study of Ultra-High-Dose Hypofractionated or Single-Dose Radiotherapy for Intermediate Risk Prostate Cancer

NCT04147806
View directory record Official record
Conditions
Prostate Cancer
Interventions
IGRT 45 Gy in 5 fractions of 9 Gy, IGRT 24 Gy single dose, Dexamethasone, Tamsulosin
Radiation · Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
50 Years and older · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 AM EDT
Completed Phase 2 Interventional Results available

PK/PD, Long-term Safety and Efficacy of Tamsulosin Treatment in Children With Neurogenic Bladder

NCT00340704
View directory record Official record
Conditions
Bladder, Neurogenic
Interventions
tamsulosin hydrochloride
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
2 Years to 16 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • Jacksonville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Sep 13, 2026, 4:02 AM EDT
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 26, 2021 · Synced Sep 13, 2026, 4:02 AM EDT
Completed Not applicable Interventional Results available

Orthostatic Hypotension Treatment on Rehab Unit

NCT01030874
View directory record Official record
Conditions
Orthostatic Hypotension, Falls
Interventions
Medication review, Nutrition/Salt intake, Education, Exercise, Drug Recommendations
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 99 Years
Enrollment
356 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Combined Behavioral and Drug Treatment of Overactive Bladder in Men

NCT01175382
View directory record Official record
Conditions
Overactive Bladder, Lower Urinary Tract Symptoms
Interventions
Behavioral training, Tolterodine + tamsulosin, Combined Behavioral + Drug Therapy
Behavioral · Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older · Male only
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
3
States / cities
Birmingham, Alabama • Atlanta, Georgia • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Sep 13, 2026, 4:02 AM EDT
Terminated Phase 4 Interventional Results available

Use of Hyoscyamine Versus Tamsulosin for Management of Ureteral Stent Irritation

NCT03750656
View directory record Official record
Conditions
Lower Urinary Tract Symptoms
Interventions
Hyoscyamine, Tamsulosin
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Sep 13, 2026, 4:02 AM 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 29, 2026 · Synced Sep 13, 2026, 4:02 AM 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 24, 2008 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 AM EDT
Recruiting Early Phase 1 Interventional

Post Operative Urinary Retention (POUR) Following Thoracic Oncological Surgery

NCT05657990
View directory record Official record
Conditions
Urinary Retention
Interventions
Tamsulosin
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
55 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Brick, New Jersey • Manahawkin, New Jersey • Neptune City, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 AM EDT
Completed Phase 4 Interventional Results available

Deprescribing Tamsulosin in Older Men

NCT05415748
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Lower Urinary Tract Symptoms
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years to 80 Years · Male only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 13, 2026, 4:02 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Compare Giving AVODART And FLOMAX Together Or In A Combination Capsule In The Fed And Fasted State

NCT00537654
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
Treatment sequence A, Treatment sequence B, Treatment sequence C, Treatment sequence D
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Evansville, Indiana • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Sep 13, 2026, 4:02 AM 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 11, 2019 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 AM 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 24, 2019 · Synced Sep 13, 2026, 4:02 AM 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 9, 2019 · Synced Sep 13, 2026, 4:02 AM EDT
Completed No phase listed Observational

Palladium-103 Seed Implant and Single Daily Dosing of Uroxatral Vs. Twice Daily Dosing of Flomax- A 3 Month Retrospective Efficacy Analysis

NCT00264017
View directory record Official record
Conditions
Prostate Cancer Patients Undergoing External Radiation and Seed Implantation
Interventions
Not listed
Lead sponsor
Dattoli Cancer Center and Brachytherapy Research Institute
Other
Eligibility
45 Years to 80 Years · Male only
Enrollment
60 participants
Timeline
2005
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2005 · Synced Sep 13, 2026, 4:02 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 13, 2026, 4:02 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 13, 2026, 4:02 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 13, 2026, 4:02 AM EDT