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ClinicalTrials.gov public records Last synced Oct 25, 2026, 7:22 PM EDT

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Showing 745–768 of 2,394 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstruction Clear all
Recruiting Not applicable Interventional

Delay AvoIding Primary Evaluation for ThRombectomy of Acute StrokE Patients With Large Vessel OCclusion in the Angiography SuiTe

NCT06825897
View directory record Official record
Conditions
Stroke, Acute
Interventions
Conventional Triage for Mechanical Thrombectomy, Direct Transfer to Angiography Suite (DTAS
Other
Lead sponsor
Santiago Ortega Gutierrez
Other
Eligibility
18 Years and older
Enrollment
2,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
6
States / cities
Iowa City, Iowa • Detroit, Michigan • Wyoming, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 4 Interventional Results available

Treating Phantom Limb Pain Using Continuous Peripheral Nerve Blocks: A Department of Defense Funded Multicenter Study

NCT01824082
View directory record Official record
Conditions
Phantom Limb Pain
Interventions
Perineural infusion [continuous peripheral nerve block(s)]
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
4
States / cities
Palo Alto, California • San Diego, California • Bethesda, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Not applicable Interventional Results available

Neuromodulation Using Vagus Nerve Stimulation Following Ischemic Stroke as Therapeutic Adjunct

NCT05390580
View directory record Official record
Conditions
Acute Ischemic Stroke
Interventions
transcutaneous auricular vagal nerve stimulation, Sham transcutaneous vagal nerve stimulation
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 25, 2026, 7:22 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Peripheral Nerve Blocks for Major Lower Extremity Amputations

NCT03174782
View directory record Official record
Conditions
Postoperative Pain
Interventions
Bupivacaine, Saline Solution
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Systemic Steroids for Peripheral Nerve Blocks

NCT02464176
View directory record Official record
Conditions
Osteoarthritis, Hip
Interventions
Dexamethasone, Bupivacaine, Epinephrine, Lumbar Plexus Nerve Block, Saline
Drug · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 90 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Exparel TAP Block in Breast Free Flap Reconstruction

NCT04777591
View directory record Official record
Conditions
Postoperative Pain, Breast Reconstruction
Interventions
Liposomal bupivacaine TAP block, Bupivacain
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older · Female only
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 23, 2024 · Synced Oct 25, 2026, 7:22 PM EDT
Not yet recruiting Phase 4 Interventional

Iopidine to Decrease Intraocular Pressure Rise After Injections

NCT07891910
View directory record Official record
Conditions
Macular Degeneration, Diabetic Retinopathy, Retinal Vein Occlusion, Glaucoma
Interventions
Apraclonidine 1.0% ophthalmic solution
Drug
Lead sponsor
Retina Consultants of Delmarva
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Easton, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 4 Interventional Results available

The Effect of Pectoral Blocks on Perioperative Pain in Gender Affirmation Top Surgery

NCT04474366
View directory record Official record
Conditions
Gender Dysphoria, Opioid Use, Pain, Postoperative
Interventions
Ropivacaine 0.2% Injectable Solution, Saline (0.9%)
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Not applicable Interventional

Nasal Saline Irrigation After Radiation Therapy for Oropharyngeal Cancer

NCT02338102
View directory record Official record
Conditions
Nasal Obstruction, Rhinitis, Vasomotor, Epistaxis
Interventions
Saline mixture
Other
Lead sponsor
Lisa Shnayder
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Oct 25, 2026, 7:22 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 25, 2026, 7:22 PM EDT
Terminated Phase 2 Interventional Results available

Photodynamic Therapy Using HPPH in Treating Patients With Advanced Non-Small Cell Lung Cancer That Blocks the Air Passages

NCT00528775
View directory record Official record
Conditions
Lung Cancer
Interventions
HPPH, endoscopic procedure
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 10, 2014 · Synced Oct 25, 2026, 7:22 PM EDT
Withdrawn No phase listed Observational

Ventricular Remodeling In Patients With Aortic Stenosis Assessed Echocardiography

NCT00774657
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Not listed
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 2 Interventional Results available

Periarticular Injection Versus Peripheral Nerve Block in Total Hip Arthroplasty

NCT03977454
View directory record Official record
Conditions
Hip Arthropathy
Interventions
Nerve Block, Periarticular Injection (PAI), Ropivacaine, Dex
Procedure · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 23, 2022 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 1Phase 2 Interventional

Impact of Intravitreal Aflibercept Injections on Capillary Non-Perfusion

NCT01724554
View directory record Official record
Conditions
Central Retinal Vein Occlusion, Proliferative Diabetic Retinopathy
Interventions
Intravitreal Aflibercept Injection
Drug
Lead sponsor
Ophthalmic Consultants of Boston
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2015 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Paracervical Block Volume on Pain Control for Dilation and Curettage.o

NCT03636451
View directory record Official record
Conditions
Abortion, Spontaneous, Abortion in First Trimester, Pain Uterus, Abortion Early, Abortion, Missed
Interventions
40cc buffered 0.5% lidocaine with 2 units of vasopressin paracervical block, 20cc 1% lidocaine with 2 units of vasopressin paracervical block
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Not applicable Interventional

Impact of a Patient Decision Aid for Treatment of Aortic Stenosis

NCT04103931
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
"Treatment Choices for Aortic Stenosis" Decision Aid
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Aurora, Colorado • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 4 Interventional Results available

Adductor Canal Block Versus Periarticular Bupivicaine Injection in Total Knee Arthroplasty

NCT02777749
View directory record Official record
Conditions
Osteoarthritis
Interventions
Bupivacaine
Drug
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Not applicable Interventional Results available

PARTNER II Trial: S3iCAP

NCT02687035
View directory record Official record
Conditions
Aortic Stenosis
Interventions
SAPIEN S3 valve
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
Not listed
Enrollment
1,822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
55
States / cities
La Jolla, California • Los Angeles, California • Palo Alto, California + 46 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 25, 2026, 7:22 PM EDT
Recruiting Phase 4 Interventional

Erector Spinae Block for Thoracic Surgery

NCT05521789
View directory record Official record
Conditions
Pulmonary Neoplasm, Pulmonary Cancer, Thoracic Diseases, Thoracic Cancer, Thoracic Neoplasms
Interventions
ESB Thoracic
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Recruiting Not applicable Interventional

Effectiveness of Exparel Anesthetic Administered by the Surgeon During Knee Surgery

NCT06946368
View directory record Official record
Conditions
Total Knee Arthroplasty
Interventions
Intra-articular Posteromedial Surgeon Administered (IPSA) Block of EXPAREL, Adductor Canal Block (ACB) and Local Local Infiltration Analgesia of EXPAREL, Local Infiltration Analgesia (LIA) of EXPAREL
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Completed Phase 1Phase 2 Interventional

Functional Endoscopic Sinus Surgery Study

NCT03970655
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 1, Bupivacaine or Ropivacaine with epinephrine plus dexamethasone - Group 2
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Recruiting No phase listed Observational

Diagnostic Accuracy of ShuntCheck Compared to Radionuclide Shunt: Patency in Patients With Normal Pressure Hydrocephalus

NCT04309487
View directory record Official record
Conditions
Hydrocephalus, Normal Pressure
Interventions
ShuntCheck
Diagnostic Test
Lead sponsor
University of South Florida
Other
Eligibility
40 Years and older
Enrollment
20 participants
Timeline
2020 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 25, 2026, 7:22 PM EDT
Enrolling by invitation Phase 4 Interventional

A Study of Paravertebral Block in Thoracic Outlet Syndrome

NCT05544721
View directory record Official record
Conditions
Thoracic Outlet Syndrome
Interventions
Ropivacaine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 25, 2026, 7:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study of Functional Optical Coherence Tomography for Ocular Imaging

NCT00556114
View directory record Official record
Conditions
Glaucoma, Diabetic Retinopathy, Age-Related Macular Degeneration, Central Retinal Vein Occlusion, Branch Retinal Vein Occlusion
Interventions
Optical Coherence Tomography
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2022 · Synced Oct 25, 2026, 7:22 PM EDT