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ClinicalTrials.gov public records Last synced Oct 29, 2026, 6:40 PM EDT

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Showing 985–1008 of 2,396 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstruction Clear all
Active, not recruiting Not applicable Interventional

EARLY TAVR: Evaluation of TAVR Compared to Surveillance for Patients With Asymptomatic Severe Aortic Stenosis

NCT03042104
View directory record Official record
Conditions
Heart Diseases, Aortic Stenosis, Severe
Interventions
Edwards SAPIEN 3 / SAPIEN 3 Ultra THV
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
65 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2032
U.S. locations
74
States / cities
Phoenix, Arizona • Burlingame, California • Los Angeles, California + 62 more
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 29, 2026, 6:40 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Study of Polyester Implants for the Treatment of External Nasal Valve Collapse (NVC)

NCT00729781
View directory record Official record
Conditions
Nasal Alar Collapse, Bilateral
Interventions
Polyester Implants
Device
Lead sponsor
Medtronic Xomed, Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Sacramento, California • Atlanta, Georgia • Downers Grove, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 29, 2026, 6:40 PM EDT
Enrolling by invitation Phase 3 Interventional Accepts healthy volunteers

GA + ESP vs. SA + ESP in Lumbar Decompression Surgeries

NCT05444751
View directory record Official record
Conditions
Lumbar Disc Herniation, Lumbar Disc Disease, Lumbar Radiculopathy
Interventions
General anesthetic, SA + ESP
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 80 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 29, 2026, 6:40 PM EDT
Terminated Phase 4 Interventional Results available

Effect of Ketamine on Postoperative Clinical Outcomes

NCT01365195
View directory record Official record
Conditions
Colorectal Surgery
Interventions
Placebo, Ketamine high-dose, Ketamine low-dose
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pain Control in Hip Arthroscopy: Comparing Lumbar Plexus Versus Peri-capsular Injection

NCT03244631
View directory record Official record
Conditions
Nerve Block, Hip Arthroscopy
Interventions
Lumbar Plexus BLock, Pericapsular injection
Procedure
Lead sponsor
Washington Orthopaedics and Sports Medicine
Other
Eligibility
25 Years to 60 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chevy Chase, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Phase 4 Interventional Results available

Transverse Abdominis Plane (TAP) Block After Cesarean Delivery

NCT01170702
View directory record Official record
Conditions
Postoperative Pain, Pregnancy, Obesity
Interventions
0.9% Normal Saline, 0.2% Ropivacaine, 0.5% Ropivacaine, 0.75% Ropivacaine
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Oct 29, 2026, 6:40 PM EDT
Not listed Not applicable Interventional

Nasogastric/Orogastric Tube Placement Verification Study Using RightSpot pH Indicator to Verify Gastric Acidity

NCT01561729
View directory record Official record
Conditions
Small Bowel Obstruction, Gastrointestinal Hemorrhage
Interventions
RightSpot pH Indicator, Chest radiograph
Device · Radiation
Lead sponsor
RightBio Metrics
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 4, 2014 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Phase 2 Interventional Results available

A Randomized, Placebo-Controlled, Double-Blind Pilot Study of Pioglitazone Hydrochloride in Severe, Refractory Asthma

NCT00994175
View directory record Official record
Conditions
Severe, Refractory Asthma, Airway Inflammation, Airflow Obstruction
Interventions
Pioglitazone, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Bethesda, Maryland • Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional Results available

Using Ultrasound Elastography to Predict Development of SOS

NCT02483481
View directory record Official record
Conditions
Sinusoidal Obstruction Syndrome, Complications of Bone Marrow Transplant
Interventions
shear wave ultrasound elastography
Diagnostic Test
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
Up to 21 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Phase 4 Interventional Results available

Erector Spinae Versus Paravertebral Nerve Blocks for Breast Surgery

NCT03549234
View directory record Official record
Conditions
Breast Surgery
Interventions
Erector Spinae (single injection), Paravertebral (single injection)
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2020 · Synced Oct 29, 2026, 6:40 PM EDT
Completed No phase listed Observational

Incidence of Retinal Vasculitis Among Patients Receiving Aflibercept: A US Real-World Evidence Study

NCT07105228
View directory record Official record
Conditions
Retinal Vasculitis
Interventions
aflibercept 2mg
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
290,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Tarrytown, New York
Source: ClinicalTrials.gov public record
Updated Oct 10, 2025 · Synced Oct 29, 2026, 6:40 PM EDT
Not listed Not applicable Interventional

Paravertebral Block for Percutaneous Nephrolithotomy

NCT01480102
View directory record Official record
Conditions
Post Operative Pain
Interventions
Group A-Paravertebral block, Group B- No block
Drug · Other
Lead sponsor
Loyola University
Other
Eligibility
18 Years to 75 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional Results available

Accelerometer Sensing for Micra AV Study

NCT04245345
View directory record Official record
Conditions
AV Block, AV Block Complete, 3rd Degree Heart Block, Complete Heart Block
Interventions
Accelerometer Sensing for Micra AV Study
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
18
States / cities
Stockton, California • Jacksonville, Florida • Leesburg, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 29, 2026, 6:40 PM EDT
Recruiting No phase listed Observational

MANAGE-AF Registry -MANAGEment of Atrial Fibrillation Outcomes Registry (MANAGE-AF)

NCT05978466
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Not listed
Lead sponsor
CorVita Science Foundation
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 29, 2026, 6:40 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Ozurdex Versus Ranibizumab Versus Combination for Central Retinal Vein Occlusion

NCT01827722
View directory record Official record
Conditions
Macular Edema, Central Retinal Vein Occlusion
Interventions
Ozurdex, Ranibizumab, Combination Ozurdex with Ranibizumab PRN
Drug
Lead sponsor
Valley Retina Institute
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
5
States / cities
Beverly Hills, California • Lakeland, Florida • Winter Haven, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional Results available

Ultrasound-Assisted Paravertebral Block v. Traditional Paravertebral Block For Pain Control

NCT01949480
View directory record Official record
Conditions
Paravertebral Peripheral Nerve Block, Acute Pain Management
Interventions
Thoracotomy, Video-Assisted Thoracoscopic Surgery (VATS)
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Oct 29, 2026, 6:40 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Thermal Imaging as a Potential Diagnostic Tool of Nasal Airflow

NCT03233373
View directory record Official record
Conditions
Nasal Airway Obstruction
Interventions
Seek CompactPro thermal imager
Device
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional

Evaluating the Number of Passes Required for Diagnostic Cell Block During EUS-FNA of Solid Pancreatic Mass Lesions

NCT01809028
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
EUS FNA with 2 passes, EUS FNA with 4 passes
Procedure
Lead sponsor
AdventHealth
Other
Eligibility
19 Years to 89 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Oct 29, 2026, 6:40 PM EDT
Enrolling by invitation Phase 4 Interventional

Comparison of Outcomes of Management of Bowel Obstruction Pilot Study

NCT06817551
View directory record Official record
Conditions
Adhesive Small Bowel Obstruction
Interventions
Dexamethasone, Supportive Care
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Not applicable Interventional Results available

Cerebral Protection in Transcatheter Aortic Valve Replacement

NCT02214277
View directory record Official record
Conditions
Severe Symptomatic Calcified Native Aortic Valve Stenosis
Interventions
Cerebral Protection System-The SENTINEL System with TAVR, TAVR
Device
Lead sponsor
Claret Medical
Industry
Eligibility
18 Years and older
Enrollment
363 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
14
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Clearwater, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 11, 2018 · Synced Oct 29, 2026, 6:40 PM EDT
Completed Phase 3 Interventional Results available

Gadobutrol Enhanced MRA of the Renal Arteries

NCT01344460
View directory record Official record
Conditions
Renal Artery Obstruction
Interventions
Gadobutrol (Gadovist, BAY86-4875)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
15
States / cities
Tucson, Arizona • Los Angeles, California • Orange, California + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2015 · Synced Oct 29, 2026, 6:40 PM EDT
Completed No phase listed Observational

Prospective Evaluation of Neurocognition in Patients Undergoing Transcatheter Aortic Valve Replacement

NCT05614986
View directory record Official record
Conditions
Mild Cognitive Impairment, Aortic Stenosis
Interventions
5 minute Montreal Cognitive Assessment (mini MoCA)
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Dallas, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 29, 2026, 6:40 PM EDT
Completed No phase listed Observational Results available

XIENCE V Everolimus Eluting Coronary Stent System (EECSS) China: Post-Approval, Single-Arm Study

NCT01249027
View directory record Official record
Conditions
Angioplasty, Chronic Coronary Occlusion, Stent Thrombosis, Vascular Disease, Myocardial Ischemia, Coronary Artery Stenosis, Coronary Disease, Coronary Artery Disease, Coronary Restenosis
Interventions
XIENCE V® Everolimus Eluting Coronary Stent System (EECSS)
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
2,605 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Santa Clara, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 29, 2026, 6:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma

NCT01227070
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 22, 2010 · Synced Oct 29, 2026, 6:40 PM EDT