Clinical trials: Venous Stenosis
Venous Thrombosis
The GORE Viabahn Endoprosthesis for the Treatment of Venous Occlusions and Stenoses
To study the safety and efficacy of drug coated stents for the treatment of venous occlusions and stenoses in the lower extremity.
- Trial name
- NCT01406795
- Testing
- Gore Viabahn Heparin Coated Stent
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Stanford University
Hypertrophic Cardiomyopathy, Endothelial Dysfunction
Assessment of the Relations Between Endothelial and Venous Dysfunctions and Left Ventricular Obstruction in Genetic Hypertrophic Cardiomyopathies
Left ventricular obstruction is an invalidating complication of hypertrophic cardiomyopathies (HCM), and endothelial dysfunction has also been observed in these pathologies.
- Trial name
- HCM-Vein (NCT04129905)
- Testing
- BNP blood sample test, Electrocardiogram, Holter ECG
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Intracranial Stenosis, Venous Sinus Stenosis
This Prospective Observational Study Aims to Evaluate the Capability of Ultra-high-resolution Photon-counting CT Angiography (UHR PCD-CTA) for Noninvasive Evaluation of Intracranial Venous Sinus Stents. The Study Will Compare Image Quality, Stent Visualization, Metal-related Artifacts, and Diagnosti
This prospective observational study aims to evaluate the effectiveness of ultra-high-resolution photon-counting CT angiography (UHR PCD-CTA) for noninvasive assessment of intracranial venous sinus stents.
- Conditions
- Intracranial Stenosis, Venous Sinus Stenosis, Stent Implantation, Intracranial Venous Pressures
- Trial name
- NCT07762677
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Xin Lou
Pulmonary Vein Stenosis, Children
Pilot Trial: the Safety and Feasibility of Losartan for Pulmonary Vein Stenosis
This pilot study evaluates the safety and feasibility of losartan in pediatric patients with pulmonary vein stenosis. It is an open label single arm interventional study.
- Trial name
- NCT02769130
- Testing
- Losartan
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- The Hospital for Sick Children
Cerebrovascular Disease, Ischemic Stroke
Florida Cerebrovascular Disease Biorepository and Genomics Center
The purpose of this study is to create a state-wide biorepository and resource center for cerebrovascular diseases in Florida, which will include collecting medical history information and blood from subjects affected by…
- Conditions
- Cerebrovascular Disease, Ischemic Stroke, Transient Ischemic Attack, Intracerebral Hemorrhage
- Trial name
- NCT05491980
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Mayo Clinic
Brachiobasilic Arteriovenous Fistula
Role of 2 Stages Brachiobasilic Arteriovenous Fistula in Patients Having Central Venous Stenosis with Exhausted Options of Dialysis Access
Central venous stenosis (CVS) is a common problem facing the hemodialysis patients planning to receive dialysis through arteriovenous fistula.
- Trial name
- NCT06846580
- Testing
- brachiobasilic AVF
- Volunteers
- 30 people
- Sponsor
- Assiut University
Hemodialysis
Placement of Covered Stents to Treat Hemodialysis Access Stenoses in the Cephalic Arch and Central Veins
Balloon angioplasty is used to open up a narrowing that forms in hemodialysis fistula. Two areas of particular problems are the terminal portion of the cephalic vein near the shoulder and the central veins in the chest.
- Trial name
- NCT01271881
- Testing
- PTA alone without use of the GORE VIABAHN, GORE VIABAHN® Endoprosthesis with Heparin Bioactive Surface
- Where
- 3 sites in United States
- Volunteers
- 140 people
- Sponsor
- American Access Care
Idiopathic Intracranial Hypertension (IIH)
VEHICLE Registry: Venous Stenting for IIH in the MENA Region
The VEHICLE Registry is a multicenter observational study aimed at evaluating the management and outcomes of patients with Idiopathic Intracranial Hypertension (IIH) undergoing venous sinus stenting in the Middle East and North…
- Trial name
- VEHICLE (NCT06692790)
- Testing
- Venous Sinus Stenting Procedure
- Where
- 2 sites in Egypt, Saudi Arabia
- Volunteers
- 150 people
- Sponsor
- Middle East North Africa Stroke and Interventional Neurotherapies Organization
End Stage Renal Disease
Intravascular Ultrasound in Patients With End-stage Renal Disease on Dialysis
Hemodialysis represents a life line of patients with end stage renal disease, who are commonly maintained on hemodialysis through catheters.
- Trial name
- IVUS in ESRD (NCT04399941)
- Testing
- Venography, Intravascular ultrasound (IVUS), Image processing
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Boston Medical Center
Renal Failure Chronic Requiring Hemodialysis, Central Venous Catheterization
Duration and Adverse Events of Non-cuffed Catheter in Patients With Hemodialysis
The duration and adverse events of non-cuffed catheter in patients with hemodialysis will be investigated by multicenter prospective cohort.
- Conditions
- Renal Failure Chronic Requiring Hemodialysis, Central Venous Catheterization, Inadequate Hemodialysis Blood Flow, Venous Stenosis
- Trial name
- DACAPO (NCT02264964)
- Testing
- GamCath®, Arteriovenous fistula creation
- Volunteers
- 1,400 people
- Sponsor
- Shanghai Changzheng Hospital
Venous Thromboses, Venous Disease
The GORE® VIABAHN® FORTEGRA Venous Stent Post-Approval Study
This study is a prospective, multicenter, single-arm post-market clinical study to evaluate the GORE® VIABAHN® FORTEGRA Venous Stent in real-world use.
- Conditions
- Venous Thromboses, Venous Disease, Venous Leg Ulcer, Venous Stasis
- Trial name
- NCT07538609
- Testing
- GORE® VIABAHN® FORTEGRA Venous Stent
- Where
- 4 sites in United States
- Volunteers
- 150 people
- Sponsor
- W.L.Gore & Associates
Coronary Arterial Disease (CAD), Coronary Artery Bypass
Comparison of Bidirectional Palpation Test and Transit Time Flow Measurement for LIMA-LAD Graft Patency
The most important factor determining mortality and morbidity after coronary artery bypass graft (CABG) surgery is graft patency.
- Conditions
- Coronary Arterial Disease (CAD), Coronary Artery Bypass, LIMA, Graft Patency
- Trial name
- NCT06934993
- Where
- Turkey (Türkiye)
- Volunteers
- 116 people
- Sponsor
- Abdulgani Orhun YENİGÜN
Stenosis in Saphenous Vein Graft, Drug Eluting Stent
Comparison of Safety and Efficacy of Two Different Drug Eluting Stents Implanted Into Saphenous Vein Grafts
Drug eluting stents significantly reduced the rate of in-stent restenosis in coronary arteries. There are several kinds of DES i.e. eluting the drug either from stable or biodegradable polymer.
- Trial name
- NCT00766129
- Testing
- Taxus stent implantation, Luc-Chopin stent
- Where
- Poland
- Volunteers
- 50 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
Stenosis, Restenosis
Clinical Study of the BARD® COVERA™ Arteriovenous (AV) Stent Graft
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
- AVeNEW (NCT02649946)
- Testing
- Covera Vascular Covered Stent following PTA, Percutaneous Transluminal Angioplasty (PTA) with Uncoated PTA Balloon
- Where
- 24 sites in United States, Australia and 6 more
- Volunteers
- 280 people
- Sponsor
- C. R. Bard
Malignant Digestive System Neoplasm
Evaluation of Portal Vein Stenting in Patients With Portal Vein Stenosis and Gastrointestinal Cancers
This study collects information about the safety and effect of portal vein stenting in gastrointestinal cancer patients with portal vein stenosis.
- Trial name
- NCT04629677
- Testing
- Electronic Health Record Review, Quality-of-Life Assessment, Questionnaire Administration
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- M.D. Anderson Cancer Center
Venous Stenosis, Venous Occlusion
The Merit WRAPSODY Central Feasibility Study
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 in the thoracic central veins
- Trial name
- WAVE Central (NCT04541576)
- Testing
- Merit WRAPSODY Endovascular Stent Graft
- Sponsor
- Merit Medical Systems, Inc.
Idiopathic Intracranial Hypertension
Stenting of Venous Sinus Stenosis for Medically Refractory Idiopathic Intracranial Hypertension
Increased Intracranial Hypertension (IIH), also known as Pseudotumor Cerebri, is defined by increased cerebral spinal fluid (CSF) pressure in the absence of intracranial, metabolic, toxic or hormonal causes of intracranial…
- Trial name
- NCT02143258
- Testing
- Stenting of the venous sinus
- Where
- Canada
- Volunteers
- 33 people
- Sponsor
- Ottawa Hospital Research Institute
Coronary Bypass Graft Stenosis of Autologous Vein
Preventing Seroma Formation After Stripping Saphenous Vein in Coronary Bypass
The great saphenous vein is the most commonly used material in coronary vascular bridging operation. Coronary bypass operation to obtain the great saphenous vein is mainly through the incision open groin to ankle.
- Trial name
- NCT02010996
- Testing
- vacuum assisted closure, Axillary dissection
- Where
- China
- Volunteers
- 72 people
- Sponsor
- Changhai Hospital
Venous Thromboses, Stent Stenosis
Aspirin® Plus Rivaroxaban Versus Rivaroxaban Alone for the Prevention of Venous Stent Thrombosis in Patients With PTS
To show if a combination therapy of rivaroxaban plus Aspirin® is more efficient (superiority testing) as rivaroxaban alone in the prevention of early venous stent thrombosis in patients suffering from post-thrombotic syndrome in…
- Trial name
- ARIVA (NCT04128956)
- Testing
- Aspirin 100mg
- Where
- 6 sites in Austria, Germany and 1 more
- Volunteers
- 172 people
- Sponsor
- University of Zurich
Intraluminal Pulmonary Vein Stenosis
Vinblastine and Methotrexate in Children With Pulmonary Vein Stenosis
To evaluate the efficacy of the chemotherapeutic agents vinblastine and methotrexate in the treatment of two groups of children with multivessel pulmonary vein stenosis.
- Trial name
- NCT00215046
- Testing
- Vinblastine, Methotrexate
- Where
- 2 sites in United States
- Volunteers
- 28 people
- Sponsor
- Boston Children's Hospital