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ClinicalTrials.gov public records Last synced Oct 23, 2026, 4:21 AM EDT

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Showing 97–120 of 2,391 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstruction Clear all
Completed Not applicable Interventional Results available

Evaluating Plaque Photoablation Using an Excimer Laser in Patients With Lower Extremity Vascular Disease

NCT02653456
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
RA-308 Excimer Laser and DABRA Catheter
Device
Lead sponsor
Ra Medical Systems
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
El Centro, California • San Diego, California • Hattiesburg, Mississippi
Source: ClinicalTrials.gov public record
Updated Nov 21, 2018 · Synced Oct 23, 2026, 4:21 AM 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 3, 2026 · Synced Oct 23, 2026, 4:21 AM EDT
Completed No phase listed Observational

Collection of Tissue Blocks or Slides From Patients With Cancer

NCT02810405
View directory record Official record
Conditions
Tumor, Carcinogens, Neoplasm, Benign, Benign Neoplasms, Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 23, 2026, 4:21 AM EDT
Completed No phase listed Observational

LifeVac Survey Study

NCT06659796
View directory record Official record
Conditions
Airway Obstruction, Choking
Interventions
LifeVac
Device
Lead sponsor
LifeVac, LLC
Industry
Eligibility
1 Year and older
Enrollment
2,930 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Dedham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Not applicable Interventional

Does an Abdominal Wall Nerve Block During Surgery Help Reduce Pain From Kidney Transplantation?

NCT05280197
View directory record Official record
Conditions
Kidney Transplantation
Interventions
TAP block, liposomal bupivacaine plus free bupivacaine, normal saline
Procedure · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 23, 2026, 4:21 AM EDT
Terminated Phase 2 Interventional Results available

Fluocinolone Acetonide Intravitreal Inserts for Vein Occlusion in Retina

NCT00770770
View directory record Official record
Conditions
Macular Edema, Retinal Vein Occlusion
Interventions
Fluocinolone Acetonide
Drug
Lead sponsor
Alimera Sciences
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
3
States / cities
Lexington, Kentucky • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 28, 2015 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Phase 3 Interventional Results available

PT027 Compared to PT007 in Patients With Asthma With Mannitol-induced Acute Airway Obstruction

NCT05555290
View directory record Official record
Conditions
Asthma
Interventions
PT027, PT007
Combination Product
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 23, 2026, 4:21 AM EDT
Completed No phase listed Observational

Dynamic MRI Evaluation Post Operative Stapled Trans Anal Rectal Resection (STARR) Procedure

NCT00655382
View directory record Official record
Conditions
Obstructive Defecation Syndrome, Outlet Obstruction
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2010 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Phase 4 Interventional

Liposomal Bupivacaine vs Adductor Canal Block in Total Knee Arthroplasty

NCT02863120
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
liposomal bupivacaine, bupivacaine HCl, Ropivacaine, Saline
Drug
Lead sponsor
Texas Orthopaedics, Sports and Rehabilitation Associates
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Phase 4 Interventional

Femoral Versus Psoas Continuous Peripheral Nerve Blocks Following Hip Arthroplasty

NCT00967980
View directory record Official record
Conditions
Hip Arthroplasty, Hip Pain
Interventions
Femoral Nerve Block vs. Psoas Compartment Nerve Block
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2010 · Synced Oct 23, 2026, 4:21 AM EDT
Not listed Not applicable Interventional

BFR DISTRAD: Blood Flow Restricted Training During Rehabilitation Following Distal Radius Fracture Repair

NCT02482727
View directory record Official record
Conditions
Distal Radius Fracture, Rehabilitation
Interventions
occlusion training with tourniquet (DELFI PTS ii portable tourniquet system)
Device
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Oct 23, 2026, 4:21 AM EDT
Not listed No phase listed Observational

Predictive Validity of Acoustic Gastrointestinal Surveillance (AGIS) in Post-Operative Feeding

NCT02065583
View directory record Official record
Conditions
Post Operative Ileus
Interventions
Not listed
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2015 · Synced Oct 23, 2026, 4:21 AM EDT
Terminated No phase listed Observational

Effect of Serotonin Level on Constipation Caused by Chemotherapy in Patients With Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

NCT00536523
View directory record Official record
Conditions
Constipation, Bowel Obstruction, Fallopian Tube Cancer, Ovarian Cancer, Peritoneal Cavity Cancer
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 23, 2026, 4:21 AM EDT
Withdrawn Not applicable Interventional

U.S. Multicenter Feasibility Trial of the F2 Filter and Delivery System for Embolic Protection During TAVR

NCT06069661
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Aortic Stenosis
Device
Lead sponsor
EnCompass Technologies, Inc.
Industry
Eligibility
22 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Phase 1 Interventional

Lucentis for Central Retinal Vein Occlusion (CRVO)

NCT00406796
View directory record Official record
Conditions
Central Retinal Vein Occlusion
Interventions
Ranibizumab
Drug
Lead sponsor
California Retina Consultants
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
4
States / cities
Bakersfield, California • Oxnard, California • Santa Barbara, California + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2013 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Not applicable Interventional

Clinical Trial to Evaluate the Endoscopic Ultrasound Guided Celiac Plexus Block for Treatment of Pain in Chronic Pancreatitis

NCT03070210
View directory record Official record
Conditions
Pancreatitis, Chronic, Abdominal Pain
Interventions
EUS-celiac ganglia block (EUS-CGB), EUS-celiac plexus block (EUS-CPB)
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Not applicable Interventional

A Prospective, Multi-Center, Pivotal Study to Evaluate the Safety and Effectiveness of the NovaCross™ Micro-catheter in Facilitating Crossing Chronic Total Occlusion (CTO) Coronary Lesions

NCT02477579
View directory record Official record
Conditions
Chronic Total Occlusion of Coronary Artery
Interventions
NovaCross
Device
Lead sponsor
Nitiloop Ltd.
Industry
Eligibility
18 Years to 80 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
4
States / cities
Little Rock, Arkansas • Naperville, Illinois • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Oct 23, 2026, 4:21 AM EDT
Recruiting Not applicable Interventional

Topical Intranasal Anesthetic Block for Reducing the Pain of Botulinum Toxin Injections for Chronic Migraine

NCT07571889
View directory record Official record
Conditions
Pain From onabotulinumtoxinA Injections
Interventions
onabotulinumtoxinA prophylaxis with Lidocaine, OnabotulinumtoxinA prophylaxis with Saline
Procedure
Lead sponsor
Association of Migraine Disorders
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
East Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 23, 2026, 4:21 AM EDT
Terminated Phase 4 Interventional Results available

Paravertebral Block vs no Block in Open Pancreaticoduodenectomy

NCT05820997
View directory record Official record
Conditions
Pancreaticoduodenectomy
Interventions
Ropivacaine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 23, 2026, 4:21 AM EDT
Completed Not applicable Interventional Results available

The REFLECT Trial: Cerebral Protection to Reduce Cerebral Embolic Lesions After Transcatheter Aortic Valve Implantation

NCT02536196
View directory record Official record
Conditions
Symptomatic Aortic Stenosis
Interventions
Embolic Protection Device, Transcatheter aortic valve implantation (TAVI)
Device · Procedure
Lead sponsor
Keystone Heart
Industry
Eligibility
18 Years and older
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
23
States / cities
Los Angeles, California • San Diego, California • New Haven, Connecticut + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 23, 2026, 4:21 AM EDT
Recruiting Not applicable Interventional

Offset Mechanisms in Evaluation of Lumbar Medial Branch Blocks

NCT05961800
View directory record Official record
Conditions
Pain, Chronic, Facet Joint Pain, Pain, Procedural, Analgesia
Interventions
Cutaneous Probe, Quantitative Sensory Testing, Computer Tasks
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 23, 2026, 4:21 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Laparoscopic Transversus Abdominis Plane (TAP) Block to Reduce Post-operative Opioids

NCT04655339
View directory record Official record
Conditions
Opioid Use
Interventions
Bilateral abdominal Lap-TAP
Drug
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 23, 2026, 4:21 AM EDT
Not listed Not applicable Interventional

Are Superficial Parasternal Intercostal Plane (SPIP) Blocks With Bupivacaine and With or Without Adjuvants Helpful for Post-operative Pain After Coronary Artery Bypass Grafting?

NCT05003765
View directory record Official record
Conditions
Post-operative Pain Management
Interventions
Bupivacaine 0.25% Injectable Solution, Bupivacaine 0.25% Injectable Solution, Magnesium Sulfate 200 mg, Bupivacaine 0.25% Injectable Solution, Magnesium Sulfate 200 mg, Buprenorphine 300 mcg
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 100 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pontiac, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 23, 2026, 4:21 AM EDT
Completed No phase listed Observational

Testing of Identification Markers for Stroke

NCT04292600
View directory record Official record
Conditions
Stroke, Ischemic, Infarction, Middle Cerebral Artery, Infarction, Anterior Circulation, Brain
Interventions
POCKiT diagnostics' algorithm for LVO detection
Diagnostic Test
Lead sponsor
POCKiT diagnostics Ltd
Industry
Eligibility
18 Years and older
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Birmingham, Alabama • Brandon, Florida • Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 23, 2026, 4:21 AM EDT