Clinical trials: Venous Stenosis
Improve Endothelial Function and Decrease Vascular Stenosis
Phosphodiesterase Type 5 Inhibition to Improve Endothelial Function and Vascular Remodeling in Chronic Kidney Disease and End Stage Renal Disease Patients Requiring New Arteriovenous Fistula
Patients with stage IV and V chronic kidney disease and end stage renal disease requiring hemodialysis at University of Alabama at Birmingham (UAB) Dialysis Clinics will be recruited from the UAB Vascular Access Clinic, which has…
- Trial name
- NCT02414204
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of Alabama at Birmingham
Chronic Venous Insufficiency, Chronic Venous Thrombosis
Best Endovenous Treatment, Including STenting, Versus Non-endovenous Treatment in Chronic Proximal Deep Venous Disease
Chronic obstruction of the iliac veins or inferior vena cava can occur as a result of deep vein thrombosis (DVT), or due to extrinsic compression in non-thrombotic iliac vein lesions (NIVLs).
- Conditions
- Chronic Venous Insufficiency, Chronic Venous Thrombosis, Iliac Vein Stenosis, Iliac Vein Obstruction
- Trial name
- BEST (NCT05622500)
- Testing
- Deep venous stenting, Best medical therapy
- Where
- United Kingdom
- Volunteers
- 12 people
- Sponsor
- Imperial College London
Acute Myocardial Infarction, Restenoses, Coronary
Abbott Vascular Medical Device Registry
The AV-MDR is a prospective, non-randomized, open-label, multi-center registry. The purpose of the AV-MDR study is to proactively collect and evaluate clinical data on the usage of the devices in scope within their intended use…
- Conditions
- Acute Myocardial Infarction, Restenoses, Coronary, Coronary Artery Lesions, Venous Embolism
- Trial name
- AV-MDR (NCT04573660)
- Testing
- Coronary and peripheral stents, Pacing catheters, Vascular plugs
- Where
- 37 sites in United States, Australia and 12 more
- Volunteers
- 3,784 people
- Sponsor
- Abbott Medical Devices
Description of Local Modifications of Lymph Nodes or Bundles With the FABIR Sequence in MRI
Description of Lymphatic Damage in Encephalic Venous Thrombosis and Strictures in MRI a Reverse-recovery Sequence: a Pilot Study
Inclusion (J0): Information Verification of inclusion and non-inclusion criteria Collection of consent MRI examination with injection of contrast product as part of the treatment comprising the sequences: T1 TFE 1.0 iso 3D FLAIR…
- Trial name
- ALTREVE (NCT05041569)
- Testing
- MRI sequences
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
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.
Renal Failure
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
- NCT01200914
- Testing
- GORE VIABAHN® Endoprosthesis with Heparin Bioactive Surface, PTA alone without use of the GORE VIABAHN
- Where
- Canada
- Volunteers
- 14 people
- Sponsor
- University Health Network, Toronto
Deep Vein Thrombosis, Iliac Vein Thrombosis
Anticoagulant Plus Antiplatelet Therapy Following Iliac Vein Stenting
To evaluate the efficacy and safety of combination of anticoagulant and antiplatelet therapy on the patency of iliac vein at 12-month post stenting in patients with acute proximal DVT and ipsilateral iliac vein stenosis who…
- Conditions
- Deep Vein Thrombosis, Iliac Vein Thrombosis, Iliac Vein Obstruction, Iliac Vein Stenosis
- Trial name
- NCT04694248
- Testing
- Rivaroxaban, Aspirin
- Where
- China
- Volunteers
- 172 people
- Sponsor
- First Affiliated Hospital of Zhejiang University
Peripheral Arterial Disease, Venous Thormboembolism
VTE Incidence After Rivaroxaban + Aspirin or SAPT After Lower-limb Revascularization
Venous thromboembolism (VTE) has a high prevalence in patients with multiple comorbidities undergoing complex surgical procedures.
- Conditions
- Peripheral Arterial Disease, Venous Thormboembolism, Cardiovascular Diseases, Vascular Surgery Patient with PAD / Carotid Stenosis
- Trial name
- RESOLUTION (NCT06873321)
- Testing
- rivaroxaban 2.5 mg bid + aspirin 100 mg, clopidogrel 75 mg od for 3 months followed by aspirin 100 mg od for endovascular procedures or aspirin for open procedures
- Where
- Brazil
- Volunteers
- 100 people
- Sponsor
- Science Valley Research Institute
Congenital Heart Disease, Coarctation of Aorta
An Integrated Prenatal and Postnatal Treatment Model for the Treatment of Newborns With Critical Congenital Heart Disease
The purpose of this two-way cohort study was to explore whether an integrated prenatal and postnatal treatment model for neonates with critical congenital heart disease (CCHD) could be effective in avoiding preoperative…
- Conditions
- Congenital Heart Disease, Coarctation of Aorta, Aortic Stenosis, Pulmonary Atresia
- Trial name
- NCT06768008
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- Beijing Anzhen Hospital
Internal Carotid Artery Stenosis
EEG, Cerebral Oximetry, and Arterial to Jugular Venous Lactate to Assess Cerebral Ischemia During Carotid Endarterectomy
A highly desired result during carotid endarterectomy (CEA) is the ability to predict and warn the surgeon if the brain is at risk of damage during the period of time that the carotid artery is cross-clamped for surgical repair…
- Trial name
- NCT00737334
- Testing
- EEGo, BIS, FORE-SIGHT cerebral oximeter
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- University of Manitoba
Hyperplasia, Stenosis
Stent vs. Angioplasty for Treatment of Thrombosed AV Grafts: Long-Term Outcomes
Arteriovenous grafts are used as the vascular access in 40-50% of hemodialysis patients. Grafts are prone to recurrent stenosis (narrowing) and thrombosis (clotting).
- Trial name
- NCT00496639
- Testing
- angioplasty, stent placement
- Where
- United States
- Volunteers
- 130 people
- Sponsor
- National Kidney Foundation, United States
Neointimal Hyperplasia, Dialysis Access Malfunction
A Prospective, Randomized Controlled Trial of Stent Graft and Drug Coated Balloon Treatment for Recurrent Cephalic Arch Stenosis in Dysfunctional Arteriovenous-venous Fistula
Arteriovenous Fistula (AVF) is a surgically created circuit used for hemodialysis in patient with End Stage Renal Disease (ESRD).
- Trial name
- PREDATOR (NCT05360394)
- Testing
- Paclitaxel Coated Balloon, Paclitaxel Coated Balloon and Stent Graft
- Where
- 2 sites in Australia, Singapore
- Volunteers
- 80 people
- Sponsor
- Singapore General Hospital
Treatment of Symptomatic Lateral Sinus Stenosis, Treatment of Pulsatile Tinnitus Due tu Sinus Stenosis
SiREX-Stent for the Treatment of SymptOmatic Lateral VEnous Sinus Stenosis
The purpose of the study is to assess the efficacy, safety and the clinical benefit of the SiREX stent for the treatment of disabling pulsatile tinnitus due to stenosis of lateral sinus.
- Trial name
- RESOLVE (NCT06726928)
- Testing
- Sinus Stenting
- Where
- France
- Volunteers
- 78 people
- Sponsor
- Acandis GmbH
Abnormal Cerebral Venous Sinus Morphology, Internal Jugular Vein Stenosis
Brain Imaging in Cerebral Venous Outflow Disturbance
Cerebral venous outflow disturbance can lead to cerebral hemodynamic disturbances, altered cerebrospinal fluid dynamics, cerebral venous blood stasis, increased cerebral venous pressure and decreased cerebral perfusion, cerebral…
- Conditions
- Abnormal Cerebral Venous Sinus Morphology, Internal Jugular Vein Stenosis, Image
- Trial name
- NCT05820165
- Testing
- high-resolution 3D-T1, diffusion tensor imaging (DTI), resting-state functional magnetic resonance imaging (rs-fMRI)
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
Peripheral Arterial Occlusive Disease, Bypass Complication
The SIR-POBA Bypass Trial
The goal of this clinical trial is to compare plain old balloon angioplasty with sirolimus-coated balloon angioplasty in patients with an infrainguinal venous bypass stenosis.
- Conditions
- Peripheral Arterial Occlusive Disease, Bypass Complication, Femoropopliteal Artery Occlusion, Femoropopliteal Stenosis
- Trial name
- NCT06056193
- Testing
- Balloon Angioplasty
- Where
- Austria
- Sponsor
- Paracelsus Medical University
Peripheral Arterial Occlusive Disease, Femoropopliteal Artery Occlusion
FRAMED Infrainguinal Venous Bypass Versus Conventional Autologous Bypass Trial
The purpose of this clinical trial is to analyze patency after autologous infrainguinal bypass surgery in patients receiving a venous conduit versus a covered venous conduit.
- Conditions
- Peripheral Arterial Occlusive Disease, Femoropopliteal Artery Occlusion, Femoropopliteal Stenosis, Critical Limb-Threatening Ischemia
- Trial name
- Framed IVB (NCT06082466)
- Testing
- FRAMED Infrainguinal Venous Bypass, Conventional Autologous Bypass
- Where
- Austria
- Volunteers
- 110 people
- Sponsor
- Paracelsus Medical University
Vascular Graft Anastomotic Stenosis
Drug-coated Balloon Versus Conventional Balloon Angioplasty in Hemodialysis Graft
To evaluate the role of DCB angioplasty for venous anastomotic stenosis of hemodialysis graft, investigators would like to perform randomized study comparing the results of drug- coated balloon angioplasty with conventional…
- Trial name
- NCT02706444
- Testing
- Conventional Balloon angioplasty, Drug-coated Balloon angioplasty
- Volunteers
- 190 people
- Sponsor
- Konkuk University Medical Center
Idiopathic Intracranial Hypertension
MR Lymphatic Imaging in Idiopathic Intracranial Hypertention
In the brain and its borders, blood vessels coexist with lymphatic vessels exclusively in the dura mater, the outermost layer of meninges.
- Trial name
- LYMPHIMAGIIH (NCT05762367)
- Testing
- 3T MRI with Gadobutrol injection
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Atrial Fibrillation
Non-invasive Characterization of the Mechanisms of Atrial Fibrillation Maintenance
Currently available antiarrhythmic drugs for the treatment of atrial fibrillation (AF) have a limited efficacy and often cause long-term side effects. Pulmonary vein isolation is the therapy of choice in drug-refractory patients.
- Trial name
- PERSONALIZE (NCT02497248)
- Testing
- Pulmonary vein ablation
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Hospital General Universitario Gregorio Marañon
Pulmonary Vein Stenosis
Predicting Pediatric Pulmonary Vein Stenosis Outcomes Using Data Acquired During a Cardiac Catheterization
This is a prospective, single center study which applies a standardized, comprehensive catheterization assessment to patients with a known or suspected diagnosis of pulmonary vein stenosis (PVS) who are undergoing a cardiac…
- Trial name
- NCT04696289
- Testing
- Standardized catheterization assessment
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Boston Children's Hospital