Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 14, 2026, 2:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Flomax Clear all
Completed Phase 4 Interventional Results available

Decreasing Rates of Intraurethral Catheterization Postoperatively in Spine Surgery

NCT02919436
View directory record Official record
Conditions
Post-operative Urinary Retention
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Anand Rughani, MD
Other
Eligibility
50 Years to 85 Years · Male only
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Sep 14, 2026, 2:47 AM 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 18, 2018 · Synced Sep 14, 2026, 2:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Hemodynamic Study of Avanafil and Two α-Adrenergic Blockers,Doxazosin and Tamsulosin

NCT01100021
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Tamsulosin and avanafil, Doxazosin and avanafil
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
40 Years to 65 Years · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 6, 2011 · Synced Sep 14, 2026, 2:47 AM EDT
Completed Not applicable Interventional Results available

Effect of Tamsulosin on Stone Expulsion and Pain Resolution in ED Patients With Ureterolithiasis

NCT00762424
View directory record Official record
Conditions
Kidney Stone
Interventions
Flowmax, placebo
Drug
Lead sponsor
WellSpan Health
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
York, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 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 14, 2026, 2:47 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 14, 2026, 2:47 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 14, 2026, 2:47 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 14, 2026, 2:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT02184585
View directory record Official record
Conditions
Prostatic Hyperplasia
Interventions
Treatment sequence A, Treatment sequence B, Treatment sequence C
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Sep 14, 2026, 2:47 AM 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 19, 2026 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM 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 27, 2025 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM EDT
Completed Phase 4 Interventional

A Study to Evaluate Solifenacin Succinate in Combination With Tamsulosin for the Treatment of Residual Overactive Bladder Symptoms (OAB) in Men.

NCT00333112
View directory record Official record
Conditions
Urinary Incontinence
Interventions
solifenacin succinate, tamsulosin, placebo
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
45 Years and older · Male only
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tuscon, Arizona + 67 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2014 · Synced Sep 14, 2026, 2:47 AM EDT
Terminated Phase 4 Interventional Results available

The Effect of Tamsulosin on Postoperative Urinary Retention

NCT04682366
View directory record Official record
Conditions
Urinary Retention
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 99 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Post-operative Urinary Retention (POUR) Following Thoracic Surgery

NCT03609580
View directory record Official record
Conditions
Urinary Retention
Interventions
Tamsulosin - 1 week, Tamsulosin - 3 days
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
50 Years and older · Male only
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Behavior and Exercise Versus Drug Treatment in Men With Nocturia (BEDTiMe)

NCT00824200
View directory record Official record
Conditions
Nocturia
Interventions
Behavioral, tamsulosin (alpha-adrenergic antagonist medication), placebo, placebo
Behavioral · Drug
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
40 Years and older · Male only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
Birmingham, Alabama • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 14, 2026, 2:47 AM 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 26, 2020 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM 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 9, 2018 · Synced Sep 14, 2026, 2:47 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 14, 2026, 2:47 AM EDT