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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Ureteral Obstruction Clear all
Terminated Phase 4 Interventional Results available

ITM vs QL for Pediatric Open Lower Abdominal Procedures

NCT05506930
View directory record Official record
Conditions
Pain Control, Ureteral Reimplantation, Pediatrics, Intrathecal Morphine
Interventions
Intrathecal Morphine, Quadratus lumborum block
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Months to 11 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional Results available

Occlusion Balloon vs. 5FR Ureteral Catheter

NCT06798753
View directory record Official record
Conditions
Kidney Stones
Interventions
Occlusion Balloon Catheter, 5FR Ureteral Catheter
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional Results available

Drainage of Malignant Extrinsic Ureteral Obstruction Using the Memokath Ureteral Stent

NCT00166361
View directory record Official record
Conditions
Ureteral Obstruction
Interventions
Memokath 051 Ureteral Stent, JJ Stent
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 17, 2014 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Recovery Following Desflurane Versus Sevoflurane for Outpatient Urologic Surgery in Elderly Females

NCT01310582
View directory record Official record
Conditions
Ureteral Stent Occlusion, Exposure Laser, Ureterostomy; Functional Disturbance, Vaginal Diseases, Injury of Bladder, Excessive Repair, Calculi
Interventions
Desflurane, Sevoflurane
Drug
Lead sponsor
Hahnemann University Hospital
Other
Eligibility
60 Years to 85 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Jul 21, 2026, 7:28 PM EDT
Terminated No phase listed Observational

Early Infancy Ureteral Reimplantation for Distal Ureteral Obstruction

NCT02419339
View directory record Official record
Conditions
Ureteral Obstruction, Urinary Diversion
Interventions
Extravesical ureteral reimplantation
Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
Up to 6 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Randomized Control Trial Comparing Single vs. Multiple Application of Lidocaine Analgesia Prior to Urethral Catheterization Procedures

NCT00142064
View directory record Official record
Conditions
Urinary Tract Infection, Kidney Diseases, Ureteral Diseases, Ureteral Obstruction
Interventions
observed levels of pain
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Months to 7 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 17, 2007 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Phase 2 Interventional Results available

Mirabegron as Medical Expulsive Therapy (MET) for Ureteral Stones and Ureteral Stent Pain

NCT02744430
View directory record Official record
Conditions
Ureteral Obstruction, Flank Pain
Interventions
Mirabegron, Placebo
Drug · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional

Uretal Flow Assessment During Gynecological Procedures

NCT00453882
View directory record Official record
Conditions
Conservative Gynecological Procedures
Interventions
flostat (TM) System
Device
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
25 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jan 29, 2012 · Synced Jul 21, 2026, 7:28 PM EDT
Terminated Not applicable Interventional

Indwelling Double-J Ureteral Stent Versus Externalized Modified-Salle Stent for Pyeloplasty

NCT02713633
View directory record Official record
Conditions
Ureteropelvic Junction Obstruction
Interventions
internal Double-J stents, External Stent
Other
Lead sponsor
Rajeev Chaudhry
Other
Eligibility
3 Months to 20 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 10, 2018 · Synced Jul 21, 2026, 7:28 PM EDT
Withdrawn Early Phase 1 Interventional

Obstruction of Malignancy: Percutaneous Renal vs Endoscopic Stent

NCT05640115
View directory record Official record
Conditions
Cancer, Urinary Obstruction, Malignancy, Urinary Dysfunction, Ureter Obstruction, Ureter Injury
Interventions
Ureteral Stent, Percutaneous Nephrostomy Tube Placement
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multi-Center Comparison of Dual Lumen Versus Single Lumen Ureteroscopes

NCT02123082
View directory record Official record
Conditions
Urolithiasis
Interventions
Storz single Lumen Ureteroscope, Dual Lumen Ureteroscope
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional Results available

Randomized Trial of NSAID vs Placebo Prior to Ureteral Stent Removal

NCT02140970
View directory record Official record
Conditions
Disorder of Urinary Stent, Ureteral Spasm, Ureteropelvic Junction Obstruction, Urolithiasis
Interventions
Ibuprofen, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
4 Years to 17 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Jul 21, 2026, 7:28 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 9, 2019 · Synced Jul 21, 2026, 7:28 PM EDT
Completed No phase listed Observational Results available

Double-J PLUS Postmarket Registry Study

NCT04197583
View directory record Official record
Conditions
Ureter Obstruction
Interventions
Boston Scientific Ureteral Stents, Urinary Diversion Stent
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
7
States / cities
Phoenix, Arizona • Chicago, Illinois • Glenview, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Jul 21, 2026, 7:28 PM EDT
Enrolling by invitation Not applicable Interventional

Use of SPY Fluorescent Angiography to Reduce Ureteroenteric Stricture Rate Following Urinary Diversion

NCT05022199
View directory record Official record
Conditions
Ureteral Obstruction, Stricture Ureter
Interventions
SPY fluorescent angiography
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Jul 21, 2026, 7:28 PM EDT
Completed No phase listed Observational

Laparoscopic Pyeloplasty Registry and Database

NCT00169650
View directory record Official record
Conditions
Ureteral Obstruction
Interventions
Registry and database
Other
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Jul 21, 2026, 7:28 PM EDT
Completed Not applicable Interventional Results available

The RELIEF™ Ureteral Stent - Assessment of Retrograde Urinary Reflux and Distal Coil Bladder Position

NCT03266770
View directory record Official record
Conditions
Ureteral Obstruction
Interventions
RELIEF Stent
Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2024 · Synced Jul 21, 2026, 7:28 PM EDT