Clinical trials: Venous Insufficiency
Multiple Sclerosis
Endovascular Treatment for Chronic Cerebrospinal Venous Insufficiency (CCSVI)
The aim of this study is to assess the efficacy of endovascular treatment (balloon angioplasty and/or stenting) for the improvement of clinical symptoms in multiple sclerosis patients.
- Trial name
- NCT01264848
- Testing
- balloon angioplasty and/or stenting
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Euromedic Specialist Clinics, Poland
Primary Chronic Venous Insufficiency
The Clinical Trial for Primary Chronic Venous Insufficiency
A multicenter Random Clinical Trial to confirm the advantage of the valve reconstructive surgery on Primary Chronic Venous Insufficiency.
- Trial name
- NCT00931424
- Testing
- valve reconstruction
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Sun Yat-sen University
Acute Renal Failure
Assessing the Impact of Two Methods of Continuous Veno-venous Hemodiafiltration on Time Nursing Work in Intensive Care
The prevalence of acute renal failure in intensive care is estimated at between 5 and 20% depending on diagnostic criteria retained. And half of patients require the use of hemodialysis.
- Trial name
- NCT00993733
- Testing
- Continuous veno-venous haemodiafiltration
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Deep Venous Thrombosis, Post Thrombotic Syndrome
Venous Thrombectomy/Thrombolysis Outcome Registry
Deep Venous Thrombosis affects more than 350,000 individuals each year in the U.S.The Registry will track patient outcome and quality of life over 60 months for treatment with anticoagulation and elastic compression stockings and…
- Trial name
- VETTOR (NCT02113475)
- Where
- United States
- Volunteers
- 1,800 people
- Sponsor
- Heart and Vascular Outcomes Research Institute
Secondary Hypothyroidism
Thyroid Function in Critically Ill Patients With Acute Kidney Injury
The objective of this study was to assess the changes in thyroid hormones and its activity during CRRT in patients with Acute Kidney Injury.
- Trial name
- NCT04767763
- Testing
- Assessment of TSH, fT3, fT4,TRH, TT3, TT4, rT3 in patients with CVVHDF
- Where
- Poland
- Volunteers
- 32 people
- Sponsor
- Medical University of Gdansk
Arteriovenous Graft, Arteriovenous Fistula
Validation of Arterio Venous Access Stage (AVAS) Classification
VAVASC trial is an observational multicentre study. The aim of this trial is to validate AVAS (arteriovenous vascular access stage) classification.
- Conditions
- Arteriovenous Graft, Arteriovenous Fistula, Dialysis Access Malfunction, Kidney Failure
- Trial name
- VAVASC (NCT04796558)
- Testing
- AVAS Classification
- Where
- Czechia
- Volunteers
- 800 people
- Sponsor
- Vascular surgery, University hospital Královské Vinohrady, Prague
Chronic Venous Insufficiency
Prevalence of Chronic Venous Disease in General Population
This study is designed to find prevalence and risk factors for chronic venous disease (CVD) in the general population. All the resident, who live in a single rural settlement will be invited to participate.
- Trial name
- NCT03900234
- Testing
- No intervention will be administered
- Where
- Russia
- Volunteers
- 783 people, healthy volunteers welcome
- Sponsor
- Pirogov Russian National Research Medical University
Varicose Veins, Venous Insufficiency
Lower Limb Venous Insufficiency and the Effect of Radiofrequency Treatment Versus Open Surgery
200 patients with insufficient great saphenous veins will be randomized to either radiofrequency ablation or high ligation/stripping (open surgery).
- Trial name
- NCT02397226
- Testing
- Radiofrequency ablation, High ligation/stripping, Radiofrequency ablation catheter
- Where
- 2 sites in Sweden
- Volunteers
- 198 people
- Sponsor
- University Hospital, Linkoeping
Deep Vein Thrombosis, Venous Thrombosis
Acute Venous Thrombosis: Thrombus Removal With Adjunctive Catheter-Directed Thrombolysis
The purpose of this study is to determine if the use of adjunctive Pharmacomechanical Catheter Directed Thrombolysis, which includes the intrathrombus administration of rt-PA--Activase (Alteplase),can prevent the post-thrombotic…
- Conditions
- Deep Vein Thrombosis, Venous Thrombosis, Postphlebitic Syndrome, Venous Thromboembolism
- Trial name
- ATTRACT (NCT00790335)
- Testing
- Recombinant tissue plasminogen activator (rt-PA)
- Where
- 56 sites in United States
- Volunteers
- 692 people
- Sponsor
- Washington University School of Medicine
Venous Thrombosis Deep (Limbs), Post Thrombotic Syndrome
EXERT: Exercise Physiology After Thrombosis
Deep vein thrombosis (DVT) can cause long-term scarring and narrowing of veins. When there is extensive damage to the veins in the legs, groin or abdomen it can affect the way that blood is able to flow back up to the heart.
- Trial name
- NCT05296499
- Testing
- Cardiopulmonary exercise test (CPET), Exercise cardiac MRI, 6 minute walk test
- Where
- United Kingdom
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Ehlers Danlos Syndrome, External Hydrocephalus
Head Circumference Growth in Children With Ehlers-Danlos Syndrome Who Develop Dysautonomia Later in Life
It is known that 33-50% of Classic and Hypermobile Ehlers-Danlos Syndrome patients eventually develop dysautonomia, otherwise known as "POTS" (Postural Orthostatic Tachycardia Syndrome).
- Conditions
- Ehlers Danlos Syndrome, External Hydrocephalus, Dysautonomia, Postural Orthostatic Tachycardia Syndrome
- Trial name
- NCT01367977
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Genetic Disease Investigators
Varicose Veins of Lower Limb, Thromboses, Venous
Prospective Cohort Study for Varicose Veins Incidence and Natural Course
A prospective study of individuals without varicose veins and who have primary varicose veins to assess the morbidity, risk factors and natural course of chronic lower limb vein disease.
- Conditions
- Varicose Veins of Lower Limb, Thromboses, Venous, Venous Insufficiency
- Trial name
- VINCI (NCT04546750)
- Where
- Russia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Russian Phlebological Association
Postthrombotic Syndrome
Prevalence of Post-Thrombotic Syndrome in Deep-Vein Thrombosis (DVT) Patients Treated With Dabigatran
The primary objective in this cross-sectional study is to assess the prevalence of post-thrombotic syndrome (PTS) in the two treatment arms of the RE-COVER studies (warfarin versus dabigatran).
- Trial name
- DABI-PTS (NCT03050138)
- Where
- 3 sites in Canada, Norway and 1 more
- Volunteers
- 351 people
- Sponsor
- Oslo University Hospital
Ehlers-Danlos Syndrome, Multiple Sclerosis
Vascular Fundus Changes in Patients With High Probability of Chronic Cerebrospinal Venous Insufficiency (CCSVI)
The investigators propose that evidence of chronic cerebrospinal venous insufficiency (CCSVI) may be evident in the vasculature of the fundus.
- Trial name
- NCT01356134
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Genetic Disease Investigators
Lipodermatosclerosis, Chronic Venous Insufficiency
Copper Impact on Venous Insufficiency and Lipodermatosclerosis
Venous disease has an adverse impact on the quality of life of patients and the NHS spends considerable resources on this chronic condition.
- Conditions
- Lipodermatosclerosis, Chronic Venous Insufficiency, Venous Insufficiency, Varicose Veins
- Trial name
- CIVIL (NCT03283800)
- Testing
- Copper impregnated compression stocking, Normal compression stocking
- Volunteers
- 16 people
- Sponsor
- Croydon Health Services NHS Trust
Chronic Venous Insufficiency, Pediatric ALL
Venous Disease in Pediatric Population
Chronic venous disease (CVD) is widespread in adult subjects of western countries and is responsible of important morbidity and healthcare costs.
- Trial name
- VEDIPEDI (NCT04424095)
- Testing
- In-office vascular visit, Echo Duplex of lower limbs
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- University of Catanzaro
Venous Thromboembolic Disease, Post Thrombotic Syndrome
Long-term Outcome After Edoxaban Versus Vitamin K Antagonists for Acute VTE
The HOKUSAI post VTE study contains of two different research questions; one on the long term outcomes of deep vein thrombosis and one on the long term effects of pulmonary embolism, post thrombotic syndrome (PTS) and chronic…
- Conditions
- Venous Thromboembolic Disease, Post Thrombotic Syndrome, Chronic Thromboembolic Pulmonary Hypertension, Quality of Life
- Trial name
- HOKUSAIpostVTE (NCT04007653)
- Testing
- Observation
- Where
- Netherlands
- Volunteers
- 1,200 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Renal Failure
Study of Patients With Acute Renal Failure on CVVH
Acute kidney failure is common in children in the Pediatric Intensive Care Unit (PICU). You are being asked to participate in this study because your child is being treated for kidney failure with continuous veno-venous…
- Trial name
- NCT00207909
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- Children's Healthcare of Atlanta
Edema, Chronic Venous Insufficiency
Validation of a New Method of Limb Volumetry
Volumetry is essential for the diagnosis and follow-up of patients with limb edema. The objective of this project is the validation of real-time reconstruction and calculation of limb volume using a 3D laser scanner.
- Conditions
- Edema, Chronic Venous Insufficiency, Lymphedema
- Trial name
- NCT01574911
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Post Thrombotic Syndrome, Deep Vein Thrombosis
Physical Activity in Children at Risk of Post-thrombotic Sequelae (PACT)
'The PACT trial' is randomized pilot trial to demonstrate the feasibility and potential effectiveness of a personal "fitness tracker" to improve adherence to an activity regimen following an initial acute DVT in children.
- Trial name
- PACT (NCT03075761)
- Testing
- Fitbit, 30-minute education session
- Where
- United States
- Volunteers
- 111 people
- Sponsor
- University of Texas Southwestern Medical Center