Clinical trials: Venous Occlusion
Obesity, Peripheral Arterial Disease
Lower Extremity Venous Hemodynamics in Obese Patients Without Clinically Significant Venous Disease
This research project is investigating the relationship between body weight and function of the leg veins using a special non-invasive technique known as venous plethysmography.
- Trial name
- NCT00554541
- Testing
- Ankle Brachial Index Venous physiologic study
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Retinal Vein Occlusion
Aqueous Humor Proteome in Retinal Vein Occlusion With Macular Edema
the goal of this observational study is to the find the molecular mechanisms underlying the prognosis process of Retinal vein occlusion in patients with retinal vein occlusion .
- Trial name
- NCT07106268
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Eye Hospital
Retinal Vein Occlusion, Vascular Occlusive Disease
Intravitreal Aflibercept for Macular Edema Due to Central Retinal Vein Occlusion
Central retinal vein occlusion (CRVO) is a common retinal vascular disorder, occurring when there is a blockage to the main blood vessel that transports blood away from the retina.
- Trial name
- INTRAMED-CRVO (NCT06416241)
- Testing
- EYLEA 2 MG in 0.05 ML Injection
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Athens
Cardiovascular Diseases
Endothelial Effects of VEGF Inhibition In Vivo in Man
Recent developments in chemotherapy, particularly VEGF-inhibitor (VEGFI) drugs, have markedly improved the prognosis of patients with cancer.
- Trial name
- ENDEAVOUR (NCT03557190)
- Where
- United Kingdom
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- NHS Greater Glasgow and Clyde
Central Retinal Vein Occlusion With Macular Edema
Use of Ziv Aflibercept in Different Retinal Diseases
A prospective interventional case series study was conducted on 20 eyes of 20 patients with active myopic choroidal neovascularisation (CNV) ,20 eyes with resistant diabetic macular edema and 15 eyes with non ischaemic central…
- Trial name
- NCT04290195
- Testing
- Ziv-Aflibercept 25 MG/ML [Zaltrap]
- Where
- Egypt
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Amin El Sayed Nawar
Uveitis, Conjunctivitis
Ocular Manifestations in Rheumatic Diseases
This is a search strategy for determining the prevalence of ocular complications in inflammatory rheumatic diseases for the purposes of a meta analysis.
- Conditions
- Uveitis, Conjunctivitis, Keratoconjunctivitis Sicca, Xerophthalmia
- Trial name
- NCT03753893
- Testing
- No intervention used
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Chronic Venous Disease, Venous Insufficiency
Venous Insufficiency and Neuromuscular Stimulation
The investigators will be evaluating the immediate and longer term effect of treatment with a medical device on the symptoms of chronic venous disease.
- Conditions
- Chronic Venous Disease, Venous Insufficiency, Deep Venous Obstruction
- Trial name
- VeINS (NCT02137499)
- Testing
- geko device
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Macular Edema
Comparison of Combined Intravitreal Bevacizumab and Oral Acetazolamide Versus Intravitreal Bevacizumab Alone for the Treatment of Macular Edema Secondary to Retinal Vein Occlusions
In this study, which will be performed as a randomized clinical trial, all patients with macular edema with central involvement (central macular thickness greater than 300 μm) and corrected vision less than or equal to 20/40 and…
- Trial name
- NCT05290948
- Testing
- intravitreal injection of bevacizumab with acetazolamide tablets, intravitreal injection of bevacizumab
- Where
- Iran
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Retinal Vein Occlusion, Retinal Vein Thrombosis
Atorvastatin for the Treatment of Retinal Vein Occlusion
The ATORVO study is designed to determine whether atorvastatin (Lipitor) can improve vision, when compared to placebo
- Conditions
- Retinal Vein Occlusion, Retinal Vein Thrombosis, Central Retinal Vein Occlusion, Branch Retinal Vein Occlusion
- Trial name
- ATORVO (NCT00517257)
- Testing
- Atorvastatin
- Where
- Canada
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Iliac Vein Obstruction, May-Thurner Syndrome
Iliac Vein Stenting in Advanced Chronic Venous Insufficiency
About 90 % of vascular symptoms affecting the lower limbs consist of venous diseases. Its highest incidence occurs from the second decade of life, affecting significantly the economically active population.
- Conditions
- Iliac Vein Obstruction, May-Thurner Syndrome, Cockett Syndrome
- Trial name
- NCT02149212
- Testing
- Phlebotonic, Stent, Limb elastic compression support
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Instituto Dante Pazzanese de Cardiologia
Cardiovascular Diseases
Molecular Investigation of Genetic Factors in CArDiovascular Diseases Using an BIOresource of Healthy Volunteers
The risk of cardiovascular disease is determined by the complex interplay between an individual's genetic make-up, lifestyle, and the environment.
- Trial name
- CADBIO (NCT03038750)
- Testing
- Eligibility and lifestyle restrictions check., Medical history, demographic and lifestyle factors, Anthropometric measurements: height, weight, and body fat
- Where
- United Kingdom
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
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
High Blood Pressure
Microcirculation and Inflammatory Markers in Patients With Resistant, Stages 1/2 Hypertension and Normal Blood Pressure
Nailfold videocapillaroscopy (NVC), Venous occlusion Plethysmography (VOP) and inflammatory biomarkers have been used to study endothelial function in patients with resistant hypertension, stages 1 and 2 hypertension and…
- Trial name
- MICRORAH (NCT02759276)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Daniel Alexandre Bottino
Branch Retinal Vein Occlusion, Retinal Blood Flow
Assessment of Retinal Vessel Diameters and Red Blood Velocities in Patients With BRVO and Healthy Subjects
Assessment of retinal vessel calibers combined with bidirectional Fourier domain optical coherence tomography (FDOCT) for measurement of retinal blood velocities is a new and sophisticated method for assessing retinal blood flow…
- Conditions
- Branch Retinal Vein Occlusion, Retinal Blood Flow, Retinal Oxygen Saturation
- Trial name
- NCT01746615
- Testing
- Dynamic Vessel Analyzer, Bidirectional Fourier-Domain Optical Coherence Tomography (FDOCT)
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Glaucoma, Retinal Vein Occlusion
Study of the Retinal Vascularization by Laser Doppler Velocimetry Coupled With an Adaptive Optics Camera ( AO-LDV)
The difficulty to measure blood flow in humans is connected with the necessity of using not invasive, reliable and reproducible techniques.
- Trial name
- AO-LDV (NCT03525132)
- Testing
- Laser Doppler Velocimetry + Optic Adaptative Camera
- Where
- France
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Diabetic Retinopathy With Macular Edema of Both Eyes (Diagnosis), Central Retinal Vein Occlusion With Macular Edema
Cool vs Room-temperature Artificial Tears
Background and Objective: To evaluate the efficacy of cooled versus room temperature artificial tears in reducing post intravitreal injection (IVI) ocular discomfort.
- Conditions
- Diabetic Retinopathy With Macular Edema of Both Eyes (Diagnosis), Central Retinal Vein Occlusion With Macular Edema, Exudative Age-Related Macular Degeneration, Unspecified Eye, Cystoid Macular Edema
- Trial name
- NCT05832996
- Testing
- Refresh Plus Preservative-free Lubricant Eye Drops
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Retinal Vein Occlusion, Macular Edema
Bevacizumab Versus Ranibizumab in Treatment of Macular Edema From Vein Occlusion
Antagonists of the vascular endothelial growth factor (VEGF) pathway are effective in treating macular edema resulting from retinal vein occlusion (RVO).
- Trial name
- CRAVE (NCT01428388)
- Testing
- Intravitreal injection of bevacizumab, Intravitreal injection of ranibizumab (0.5 mg per dose)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Barnes Retina Institute
Healthy Volunteers
Intraosseous Doppler Ultrasonography to Study Skeletal Physiology: Exploratory Study Before Use in Space Physiology
Use of intraosseous Doppler ultrasonography to study skeletal physiology ("Echo-Os Study"). Exploratory study before its use in space physiology. Bones have a complex vascular network providing nutrients and oxygen to bone cells.
- Trial name
- Echo-Os (NCT06206031)
- Testing
- Intraosseous ultrasonography at tibia before, during, and after a physiological vascular stimulation (venous occlusions, arterial occlusion, handgrip)
- Where
- 2 sites in France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Retinal Artery Occlusion, Retinal Vein Occlusion
Changes in the Diameter of Retinal Vessels After Remote Ischemic Conditioning
Remote ischemic conditioning (RIC) is a therapeutic strategy for protecting organs or tissue against the detrimental effects of acute ischemia-reperfusion injury.
- Trial name
- NCT02898480
- Testing
- Remote ischemic conditioning
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Ophthalmopathy
Injection of Ranibizumab Versus Combination of Ranibizumab and Triamcinolone Acetate for (CRVO)
To compare the clinical effectiveness of ranibizumab and combination of ranibizumab and triamcinolone for the treatment of macular oedema secondary to CRVO
- Trial name
- NCT04460001
- Testing
- Ranibizumab, triamcinolone acetate
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University