Clinical trials: Constriction, Pathologic
Postoperative Delirium, Aortic Valve Stenosis
Assessing the Incidence of Postoperative Delirium Following Aortic Valve Replacement
Our primary aim in this observational study is to identify the incidence of POD in the first five postoperative days by using the 3-minute Diagnostic confusion assessment method (3D-CAM), the derived version for intensive care…
- Trial name
- IPOD-AV (NCT03950440)
- Where
- Belgium
- Volunteers
- 250 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Heart Diseases, Coronary Artery Disease
Intraoperative Echocardiography in Low-Risk CABG Surgery
This goal of this study is to better understand when and where intraoperative transesophageal echocardiography (TEE) should (or should not) be used during coronary artery bypass graft (CABG) surgeries.
- Conditions
- Heart Diseases, Coronary Artery Disease, Chest Pain, Stenosis Coronary
- Trial name
- NCT06154265
- Testing
- TEE probe
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Pennsylvania
Stricture, Obstruction
Patency of a Prototype Large Plastic Biliary Stent in the Palliation of Malignant Distal Biliary Strictures.
Plastic biliary stents which are a new larger size will remain free of obstructions for a longer period of time than currently used 10 French stents in cancer in the common bile duct.
- Conditions
- Stricture, Obstruction, Cancer
- Trial name
- NCT01590394
- Testing
- Large plastic biliary stent
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Mayo Clinic
Chronic Pancreatitis
WallFlex Pancreatic Metal Stent for Pancreatic Duct Strictures
To prospectively document the performance of a FCSEMS for treatment of pancreatic duct strictures in patients with painful chronic pancreatitis.
- Trial name
- NCT02802020
- Testing
- Pancreatic fully-covered self-expanding metal stent (FCSEMS)
- Where
- 11 sites in United States, Belgium and 4 more
- Volunteers
- 67 people
- Sponsor
- Boston Scientific Corporation
Carotid Artery Stenosis
Protective Effects of Long-term Remote Limb Ischemic Preconditioning For Carotid Artery Stenting
Remote limb ischemic preconditioning (RIPC) has neuro-protective and anti-inflammatory effects on ischemia- reperfusion injury. As the extent of its effect is unknown, the investigators will use clinical outcome, serum…
- Trial name
- NCT01654666
- Testing
- Remote ischemic preconditioning, Carotid Artery Stenting
- Where
- China
- Volunteers
- 189 people
- Sponsor
- Ji Xunming
Lumbar Spinal Stenosis
Study Evaluating the Safety and Effectiveness of the FLEXUS(TM) Interspinous Spacer
The purpose of this investigation is to evaluate the safety and effectiveness of the FLEXUS™ Interspinous Spacer as compared to the XSTOP® Spacer for the treatment of patients who are suffering from lumbar spinal stenosis at one…
- Trial name
- NCT01156675
- Testing
- FLEXUS(TM) Interspinous Spacer, XSTOP® Interspinous Spacer
- Where
- United States
- Volunteers
- 215 people
- Sponsor
- Globus Medical Inc
Lumbar Spinal Stenosis, Intermittent Claudication
Investigating Superion™ In Spinal Stenosis
The proposed prospective, multi-center, randomized clinical trial is designed to evaluate the safety and effectiveness of the Superion™ ISS compared to the X-STOP® IPD® device in healthy adults suffering from at least 6 months of…
- Trial name
- NCT00692276
- Testing
- Superion™ Interspinous Spacer, X-STOP® IPD® Device
- Where
- 32 sites in United States
- Volunteers
- 391 people
- Sponsor
- Boston Scientific Corporation
Pulmonary Valve Insufficiency, Pulmonary Regurgitation
COMPASSION - COngenital Multicenter Trial of Pulmonic VAlve Regurgitation Studying the SAPIEN InterventIONal THV
To assess the safety and effectiveness of pulmonic THV implantation in subjects with dysfunctional RVOT conduit requiring treatment for moderate or severe pulmonary regurgitation (≥3+ pulmonary regurgitation) and/or RVOT conduit…
- Conditions
- Pulmonary Valve Insufficiency, Pulmonary Regurgitation, Dysfunctional RVOT Conduit, Pulmonary Obstruction
- Trial name
- NCT00676689
- Testing
- SAPIEN Transcatheter Valve Implantation
- Where
- 7 sites in United States
- Volunteers
- 81 people
- Sponsor
- Edwards Lifesciences
Atherosclerosis, Coronary
Validation of a Computed Tomography (CT) Based Fractional Flow Reserve (FFR) Software Using the 320 Detector Aquilion ONE CT Scanner.
Coronary Computed Tomography Angiography (CCTA) contrast opacification gradients and FFR-CT estimation can aid in the severity estimation of significant atherosclerotic lesions.
- Trial name
- NCT03149042
- Testing
- CCTA
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- State University of New York at Buffalo
Carotid Artery Disease, Carotid Artery Stenosis
Effect of Raised CBF During CEA on Cognition in DM Patients
The purpose of this study is to determine if we can reduce the incidence of cognitive dysfunction - difficulty in performing certain pencil-paper, memory, finger dexterity and thinking type of tasks called neuropsychometric tests…
- Conditions
- Carotid Artery Disease, Carotid Artery Stenosis, Diabetes, Cognitive Dysfunction
- Trial name
- NCT00597545
- Testing
- Carotid endarterectomy, Shunt
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Columbia University
Aortic Stenosis, LV Remodeling, Hypertrophy
Aortic Stenosis and PhosphodiEsterase Type 5 iNhibition (ASPEN): A Pilot Study
Currently, aortic stenosis (AS) is considered a "surgical disease" with no medical therapy available to improve any clinical outcomes, including symptoms, time to surgery, or long-term survival.
- Trial name
- ASPEN (NCT01275339)
- Testing
- Tadalafil
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Washington University School of Medicine
Esophageal Fistula, Esophageal Neoplasms
Removal of the Evolution® Esophageal Stent - Fully Covered
The CLARITY study is a clinical trial approved by US FDA to study the removal of the Evolution® Esophageal Stent-Fully Covered in malignant and benign indications.
- Conditions
- Esophageal Fistula, Esophageal Neoplasms, Esophageal Perforation, Esophageal Stenosis
- Trial name
- CLARITY (NCT01900691)
- Testing
- Evolution® Esophageal Stent - Fully Covered
- Where
- 11 sites in United States
- Volunteers
- 130 people
- Sponsor
- Cook Group Incorporated
Bile Duct Stricture, Choledocholithiasis
Prospective Study to Investigate the Frequency of Possible Bacterial Entry Into the Bloodstream (Bacteremia) and Infectious Complications Associated With the Use of the Spyglass Cholangioscopy System During ERCP (Endoscopic Retrograde Cholangiopancreatography).
The aim of this study is to prospectively evaluate the frequency of bacteremia after ERCP/cholangioscopy using the Spyglass Direct Visualization System.
- Trial name
- NCT01414400
- Testing
- Blood draw for culture
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Stanford University
Cardiovascular Diseases, Hypertension
Vascular Dysfunction in Hypertensive Postmenopausal Women
The purpose of this study is to investigate the role of ET-1 in mediating vasoconstrictor tone in hypertensive postmenopausal women (PMW) alone and in combination with a commonly prescribed Angiotensin II (ANG II) antagonist.
- Trial name
- NCT03371823
- Testing
- Normotensive, Hypertensives
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Biliary Strictures Caused by Malignant Neoplasms
Study of the WallFlex™ Biliary Partially-covered Stent for the Palliative Treatment of Malignant Bile Duct Obstruction
This is a a prospective study of the WallFlex™ Biliary Partially-covered Stent designed to collect data to support regulatory clearance by the FDA in the United States and to determine the functionality of the WallFlex™ Biliary…
- Trial name
- NCT00713427
- Testing
- WallFlex™ Biliary Partially-Covered Stent
- Where
- 6 sites in Belgium, France and 4 more
- Volunteers
- 70 people
- Sponsor
- Boston Scientific Corporation
Degenerative Disc Disease, Spondylolisthesis
The European Robotic Spinal Instrumentation (EUROSPIN) Study
In a multinational prospective study, preoperative, intraoperative, perioperative and follow-up data on patients receiving thoracolumbar pedicle screw placement for degenerative disease or infections or tumors will be collected.
- Conditions
- Degenerative Disc Disease, Spondylolisthesis, Spinal Stenosis, Recurrent Disc Herniation
- Trial name
- EUROSPIN (NCT03398915)
- Testing
- Transpedicular Instrumentation
- Where
- 12 sites in Austria, France and 5 more
- Volunteers
- 932 people
- Sponsor
- Marc Schröder
Colonic Neoplasms, Rectal Neoplasms
NITI CAR27 (ColonRing) Compression Anastomosis in Colorectal Surgery
After resection of diseased segments of the large intestine, the continuity of the intestine has to be restored. This can be done by suturing or with so called stapling devices.
- Conditions
- Colonic Neoplasms, Rectal Neoplasms, Diverticulitis, Inflammatory Bowel Diseases
- Trial name
- NCT01056913
- Testing
- Compression Anastomosis Device, follow-up colonoscopy
- Volunteers
- 62 people
- Sponsor
- St John of God Hospital, Vienna
Neuropathy; Radicular, Lumbar, Lumbosacral, Failed Back Surgery Syndrome
Efficacy of Pregabalin in Patients With Radicular Pain
The purpose of this study is to evaluate whether pregabalin is effective in reducing the pain in patients who present with radicular pain due to a herniated disc, spinal stenosis or failed back surgery syndrome.
- Conditions
- Neuropathy; Radicular, Lumbar, Lumbosacral, Failed Back Surgery Syndrome, Spinal Stenosis, Herniated Disc
- Trial name
- NCT00908375
- Testing
- Pregabalin, Sugar Pill
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- Northwestern University
Carotid Stenosis, Atherosclerosis
Revacept in Symptomatic Carotid Stenosis
Patients suffering from symptomatic carotid artery stenosis, transient ischemic attacks (TIAs), amaurosis fugax or stroke receive either Revacept (single dose) plus antiplatelet monotherapy or monotherapy alone.
- Conditions
- Carotid Stenosis, Atherosclerosis, Stroke, Transient-ischaemic Attack
- Trial name
- RevaceptCS02 (NCT01645306)
- Testing
- Revacept
- Where
- 12 sites in Germany, United Kingdom
- Volunteers
- 158 people
- Sponsor
- AdvanceCor GmbH
Spinal Stenosis, Low Back Pain
Lumbar Epidural Steroid Injections for Spinal Stenosis Multicenter Randomized, Controlled Trial (LESS Trial)
The broad, long-term objective of this research protocol is to improve the quality of life for patients suffering from lumbar spinal stenosis.
- Trial name
- LESS (NCT01238536)
- Testing
- Epidural steroid with local anesthetic injection, Epidural local anesthetic injection, Epidural steroid injection
- Where
- 10 sites in United States
- Volunteers
- 400 people
- Sponsor
- University of Washington