Clinical trials: Constriction, Pathologic
Common Bile Duct Stricture
Covered Metallic Stents for First-Line Treatment of Benign Bile Duct Strictures
The current standard of care for benign bile duct strictures involves placement of multiple plastic stents under endoscopic and fluoroscopic guidance to progressively dilate or stretch it open.
- Trial name
- NCT01221311
- Testing
- Fully covered Metallic Stent, Plastic Stent
- Where
- 8 sites in United States, United Kingdom
- Volunteers
- 112 people
- Sponsor
- Medical University of South Carolina
Lumbar Degenerative Disc Disease, Spinal Stenosis
Human Amniotic Tissue-derived Allograft, NuCel, in Posteriolateral Lumbar Fusions for Degenerative Disc Disease
The purpose of this study is to compare the effect and safety of NuCel to DBX on patients undergoing posteriolateral lumbar spinal fusions for degenerative disc disease.
- Conditions
- Lumbar Degenerative Disc Disease, Spinal Stenosis, Spondylolisthesis, Spondylosis
- Trial name
- NCT02070484
- Testing
- NuCel, Demineralized Bone Matrix
- Where
- 2 sites in United States
- Volunteers
- 6 people
- Sponsor
- OhioHealth
Aortic Valve Stenosis
Hemodynamic Comparison of Tissue Aortic Valves
The purpose of this study is to: 1. Assess for hemodynamic differences at rest and with exercise between three clinically available tissue aortic valves. 2.
- Trial name
- NCT01635244
- Testing
- Aortic valve replacement
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Michigan
Coronary Artery Disease, Coronary Artery Stenoses
Comparison of Sternal Wound Infiltration With Liposomal Bupivacaine v. Bupivacaine Hydrochloride
The aim of this study is to evaluate the analgesic efficacy and safety of wound infiltration with liposomal bupivacaine (LB) in patients undergoing cardiac surgery with sternotomy and cardiopulmonary bypass (CPB) and compare it…
- Conditions
- Coronary Artery Disease, Coronary Artery Stenoses, Valve Regurgitation, Mitral, Valve Regurgitation, Tricuspid
- Trial name
- NCT03270514
- Testing
- Exparel Injectable Product, Bupivacaine Hydrochloride
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Kathirvel Subramaniam
Senile Purpura, Bateman's Purpura
Broad Band Light for the Treatment and Prevention of Senile Purpura
There will be five subjects over the age of 65, each with at least one ecchymotic lesion on each arm measuring at least one cm, and five control subjects under the age of 35, both who will be randomized to undergo 4 Sciton Broad…
- Trial name
- NCT03690375
- Testing
- Broad Band Light (BBL)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Siperstein Dermatology
Stenosis, Restenosis
Clinical Study of the BARD® COVERA™ Arteriovenous (AV) Stent Graft in AV Graft Patients (AVeVA)
The objective of this study is to assess the safety and effectiveness of the COVERA™ Vascular Covered Stent for the treatment of stenotic lesions in the upper extremity venous outflow of the Arteriovenous (AV) access circuit.
- Trial name
- AVeVA (NCT02790606)
- Testing
- Covera(TM) Vascular Covered Stent
- Where
- 16 sites in United States
- Volunteers
- 110 people
- Sponsor
- C. R. Bard
Carotid Artery Plaque
New Technologies to Determine Carotid Plaque Vulnerability in Patients With Significant Carotid Plaques
The researchers are trying to determine if the characterization of "vulnerable" carotid artery plaques can be accomplished with ultrasound-based methods that look for vessels in the plaque and measure the plaque stiffness.
- Trial name
- NCT03335033
- Testing
- Contrast-enhanced ultrasound, Shear Wave Elastography, Ultrasound Examination
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Mayo Clinic
Angioplasty, Cardiovascular Disease
XIENCE PRIME Everolimus Eluting Coronary Stent System (EECSS) China Single-Arm Study
Abbott Vascular (AV) obtained marketing approval for the XIENCE PRIME Everolimus Eluting Coronary Stent System (XIENCE PRIME EECSS) in China from the China Food and Drug Administration (CFDA) on August 10th, 2011.
- Conditions
- Angioplasty, Cardiovascular Disease, Coronary Artery Disease, Coronary Heart Disease
- Trial name
- XP China SAS (NCT01894152)
- Testing
- XIENCE PRIME Everolimus Eluting Coronary Stent System (EECSS)
- Where
- United States
- Volunteers
- 2,002 people
- Sponsor
- Abbott Medical Devices
Cognitive Manifestations
Asymptomatic Carotid Stenosis: Cognitive Function and Plaque Correlates
Carotid artery plaques are known to cause stroke. Cognitive impairment is an insidious but poorly understood problem in patients with carotid plaques.
- Trial name
- ACCOF (NCT01353196)
- Where
- United States
- Volunteers
- 170 people
- Sponsor
- VA Office of Research and Development
Myocardial Fibrosis, Hypertrophic Cardiomyopathy
Clinical and Therapeutic Implications of Fibrosis in Hypertrophic Cardiomyopathy
Hypertrophic Cardiomyopathy (HCM) is the most common genetic cardiomyopathy and remains the leading cause of sudden cardiac death in young people and an important cause of heart failure symptoms and death at any age.
- Trial name
- NCT00879060
- Testing
- Spironolactone
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center
Coronary Artery Disease, Acute Coronary Syndrome
Tailored Antiplatelet Therapy Following PCI
Clopidogrel is an anti-platelet medication approved by the U.S. Federal Drug Administration (FDA) for use in patients who undergo Percutaneous Coronary Intervention (PCI) with coronary stent implantation.
- Conditions
- Coronary Artery Disease, Acute Coronary Syndrome, Stenosis
- Trial name
- TAILOR-PCI (NCT01742117)
- Testing
- Clopidogrel, Ticagrelor
- Where
- 41 sites in United States, Canada and 2 more
- Volunteers
- 5,276 people
- Sponsor
- Mayo Clinic
Carotid Stenosis, Constriction, Pathologic
GORE Flow Reversal System and GORE Embolic Filter Extension Study
The objective of this study is to provide an ongoing evaluation of clinical outcomes associated with the GORE Flow Reversal System and the GORE Embolic Filter when used for embolic protection during carotid artery stenting.
- Conditions
- Carotid Stenosis, Constriction, Pathologic, Carotid Artery Diseases, Cerebrovascular Disorders
- Trial name
- FREEDOM (NCT01343667)
- Testing
- Gore Flow Reversal System, Gore Embolic Filter
- Where
- 39 sites in United States
- Volunteers
- 1,397 people
- Sponsor
- W.L.Gore & Associates
Lumbar Spinal Stenosis, Spondylolisthesis
Sagittal Plane Shear Index for Planning Lumbar Stenosis Surgery
The objective of the clinical investigation is to assess the proportion of lumbar spinal stenosis surgical treatment plans that change when an objective measurement of spinal stability is included and applied following a simple…
- Trial name
- SPSI (NCT03754972)
- Testing
- Sagittal plane shear index (SPSI)
- Where
- 3 sites in Netherlands
- Volunteers
- 100 people
- Sponsor
- Medical Metrics Diagnostics, Inc
Stenosis, Spondylosis
Efficacy and Safety of Accell Evo3 Demineralized Bone Matrix (DBM) in Instrumented Posterolateral Lumbar Spine Fusion
The objective of this study is to prospectively evaluate the performance of Integra Accell Evo3 Demineralized Bone Matrix as an adjunct for posterolateral spine fusion with a retrospective comparison to a historical patient…
- Conditions
- Stenosis, Spondylosis, Degenerative Changes
- Trial name
- NCT01430299
- Testing
- Demineralized Bone Matrix, rh-BMP2
- Where
- United States
- Volunteers
- 43 people
- Sponsor
- SeaSpine, Inc.
Venous Stenosis, Venous Occlusion
The Merit WRAPSODY AV Access Efficacy Study (WAVE)
The purpose of the study is to demonstrate the safety and efficacy of the Merit WRAPSODY Endovascular Stent Graft for treatment of stenosis or occlusion within the dialysis access outflow circuit
- Trial name
- WAVE (NCT04540302)
- Testing
- Merit WRAPSODY Endovascular Stent Graft, PTA
- Where
- 43 sites in United States, Brazil and 2 more
- Volunteers
- 357 people
- Sponsor
- Merit Medical Systems, Inc.
Hypertrophic Cardiomyopathy, Sudden Cardiac Death
PRecIsion Medicine in CardiomyopathY
This is a retrospective cohort study of pediatric hypertrophic cardiomyopathy (HCM) patients using chart and registry review methodology.
- Trial name
- PRIMaCY (NCT04036799)
- Volunteers
- 572 people
- Sponsor
- The Hospital for Sick Children
Stenosis, Spondylosis
Efficacy and Safety of Integra Accell Evo3 DBM in Instrumented Lumbar Spine Fusion
The objective of this study is to prospectively evaluate the performance of Integra Accell Evo3 Demineralized Bone Matrix as an adjunct for instrumented lumbar spine fusion with a retrospective comparison to a historical patient…
- Conditions
- Stenosis, Spondylosis, Degenerative Changes
- Trial name
- NCT01714804
- Testing
- Accell Evo3 Prospective Use
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- SeaSpine, Inc.
Stenosis of Vascular Prosthetic Devices, Implants and Grafts
Post-Approval Study for the FLAIR Endovascular Stent Graft
The purpose of this study is to confirm the long-term safety and effectiveness of the FLAIR Endovascular Stent Graft for treatment of stenoses at the venous anastomosis of ePTFE or other synthetic arteriovenous (AV) access grafts.
- Trial name
- RENOVA (NCT00677235)
- Testing
- FLAIR Endovascular Stent Graft, PTA
- Where
- United States
- Volunteers
- 270 people
- Sponsor
- C. R. Bard
Atrial Fibrillation, Aortic Valve Stenosis
WATCH-TAVR, WATCHMAN for Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement
To evaluate the safety and effectiveness of the left atrial appendage occlusion with WATCHMAN Device in prevention of stroke and bleeding in patients with atrial fibrillation (AF) undergoing transcatheter aortic valve replacement…
- Trial name
- NCT03173534
- Testing
- WATCHMAN, TAVR
- Where
- 32 sites in United States
- Volunteers
- 350 people
- Sponsor
- samir kapadia
Angina, Coronary Occlusion
XIENCE PRIME Japan Post-Marketing Surveillance (PMS)
The objectives of the PMS are to observe the frequency, type, and degree of device deficiency to assure the safety of the new medical device (XIENCE PRIME) as well as to collect information on evaluation of the efficacy and…
- Conditions
- Angina, Coronary Occlusion, Coronary Artery Disease, Coronary Artery Stenosis
- Trial name
- NCT01721096
- Testing
- XIENCE PRIME - Long Length (LL), XIENCE PRIME - Core Size
- Where
- Japan
- Volunteers
- 536 people
- Sponsor
- Abbott Medical Devices