Clinical trials: Venous System
Concussion, Mild
Brain Dynamics in Response to Jugular Vein Compression
Clinical trials have suggested that this device is effective in mitigating changes in brain structure and function in athlete populations.
- Trial name
- NCT03236389
- Testing
- Q Collar
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Idiopathic Intracranial Hypertension, Intracranial Pressure Increase
Prospective Ocular Imaging for Intracranial Pressure Evaluation
This is a prospectively recruiting, database development study collecting images and videos of the spontaneous venous pulsation at the back of people's eyes - this is a pulse one can see on examination of the back of the eye…
- Conditions
- Idiopathic Intracranial Hypertension, Intracranial Pressure Increase, Spontaneous Venous Pulsations
- Trial name
- POICCP (NCT06855342)
- Where
- United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- King's College Hospital NHS Trust
Postural Tachycardia Syndrome (POTS)
Splanchnic Venous Capacitance in Postural Tachycardia Syndrome
Postural tachycardia syndrome (POTS) affects ≈3 million young people, characterized by chronic presyncopal symptoms characterized by dizziness, lightheadedness, and orthostatic tachycardia that occur while standing.
- Trial name
- NCT05375968
- Testing
- Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
HIV Infections
Evaluation of the Performance of Chembio Diagnostics Systems, Inc. DPP® HIV 1/2 Rapid Test
This study has been designed to evaluate the performance of the Chembio Diagnostics Systems, Inc. DPP® HIV 1/2 rapid test. The device is intended to qualitatively detect the presence of antibodies against HIV-1/2 in oral fluid…
- Trial name
- NCT01032902
- Testing
- In Vitro Diagnostic Device
- Where
- 5 sites in United States
- Volunteers
- 2,808 people, healthy volunteers welcome
- Sponsor
- Chembio Diagnostic Systems, Inc.
Venous Insufficiency of Leg, Venous Leg Ulcer
Non Contrast MRI in Lower Extremity
We collected retrospectively the non contrast MRI in chia yi memorial hospital for different venous disease of lower extremity morphology and flow ananlysis were done.
- Conditions
- Venous Insufficiency of Leg, Venous Leg Ulcer, Venous Occlusion, Contrast Media Reaction
- Trial name
- NCT04995432
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Myotonic Dystrophy 1
Venous Thromboembolism in Myotonic Dystrophy Type 1
Investigators identified a high risk of deep vein thrombosis and pulmonary embolism in patients presenting myotonic dystrophy type 1 treated in our hospital, 10 times higher than general population matched on age and sex.
- Trial name
- DM1-VTE (NCT03424460)
- Testing
- Haemostasis tests, Monocytes and megacaryocytes culture and RNA extraction, RNA extraction
- Where
- France
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Healthy Subjects, Diabetic Retinopathy
Comparison of Retinal Oxygenation and Retinal Vessel Diameters in Healthy Subjects and Patients With Diabetic Retinopathy or Retinal Vein Occlusion Between DVA and Oxymap
To date two different instruments are commercially available to measure retinal oxygen saturation and retinal vessel diameters: Dynamic Vessel Analyzer (DVA) and Oxymap.
- Conditions
- Healthy Subjects, Diabetic Retinopathy, Retinal Vein Occlusion
- Trial name
- DVA-Oxymap (NCT02521116)
- Testing
- Dynamic Vessel Analyzer, Oxymap T1
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Age - Related Macular Degeneration (AMD), Diabetic Macular Edema
Wide Field OCTA in Ocular Diseases
The main retinal diseases, whether or not associated with specific mutations genetic, cause progressive degeneration of vascular retinal structures and not vascular, resulting in decreased visual function.
- Conditions
- Age - Related Macular Degeneration (AMD), Diabetic Macular Edema, Diabetic Retinopathy, Myopia
- Trial name
- WOOD-2025 (NCT07298174)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Diabetic Retinopathy, Retinal Vein Occlusion
Optical Coherence Tomography Angiography in Subjects With Retinal Vascular Disease
This study will perform a prospective, longitudinal analysis of clinical and imaging findings from normal controls and subjects with retinal vascular disease to better define the diagnostic imaging criteria that signify change in…
- Conditions
- Diabetic Retinopathy, Retinal Vein Occlusion, Hypertension,Essential, Retinal Vascular Disorder
- Trial name
- OCTA-RVD (NCT04505618)
- Testing
- Swept-Source (SS) OCT Angiography, Spectral-Domain (SD) OCT Angiography, Fundus Imaging
- Where
- United States
- Volunteers
- 1,050 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
HIV Infections
Clinical Performance of Reveal G4 Rapid HIV-1 Antibody Test
To determine the efficacy of an improved rapid diagnostic test using venous whole blood and fingerstick whole blood. The clinical performance of Reveal G4 Rapid HIV-1 Antibody Test will be determined by comparing the results with…
- Trial name
- NCT02190578
- Testing
- Reveal G4
- Where
- 4 sites in United States
- Volunteers
- 1,649 people, healthy volunteers welcome
- Sponsor
- MedMira Laboratories Inc.
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
Intracranial Pressure Increase
Non-Invasive and Non-Contact Intracranial Pressure Waveform Recording Using Dynamic Video Ophthalmoscopy
This study will test the use of video ophthalmoscope to provide information about intracranial pressure without the use of invasive methods, anesthesia or contact with the eye.
- Trial name
- ICP Waveform (NCT04046523)
- Testing
- Video ophthalmoscope
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Nursing Care, Pain Management
Comparison of the Effectiveness of Two Active Distraction Techniques During Venipuncture in Children
This study was conducted to compare the effects of two active distraction methods-bubble blowing and a material-free cognitive distraction/positive reinforcement technique-applied during venous blood sampling on pain, fear, and…
- Conditions
- Nursing Care, Pain Management, Anxiety, Children
- Trial name
- NCT07249723
- Testing
- Bubble Blowing Group, Positive Reinforcement Group
- Where
- Turkey (Türkiye)
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Lateral Sinus Thrombosis, Mastoiditis
Otogenic CSVT Retrospective Case Series and Associated Thrombophilia
The aim of this study is to report the clinical presentation, Microbiological, laboratory and imaging evaluation, prothrombotic factors analysis, medical and surgical management and outcomes in children with Otogenic Cerebral…
- Conditions
- Lateral Sinus Thrombosis, Mastoiditis, Otitis Media
- Trial name
- CSVT PCR (NCT03864055)
- Where
- Israel
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- HaEmek Medical Center, Israel
Telangiectasia, Spider Veins
Ultherapy for the Treatment of Spider Veins on the Legs
Up to 30 enrolled subjects will be treated. Enrolled subjects will receive Ultherapy® treatments along each length of the spider vein. Follow-up visits will occur at 30 and 60 days post-treatment.
- Trial name
- NCT02286804
- Testing
- Ultherapy
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ulthera, Inc
Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura
Longitudinal Cohort of Thrombosis and Hemostasis Diseases
This is a multicenter, prospective, longitudinal, observational cohort study to investigate thrombosis and hemostasis diseases in Chinese patients.
- Conditions
- Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura, Hemophilia A, Acquired, Disseminated Intravascular Coagulation
- Trial name
- NCT06727669
- Where
- 5 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Limb Ischemia, Ischemic Preconditioning
Model System for Transient Forearm Blood Vessel Dysfunction
This study will develop a model system that can be used to test medications for improving the ability of blood vessels to resist damage from diseases such as heart attack and stroke.
- Trial name
- NCT00453531
- Testing
- Limb Ischemia, Acetylcholine
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Pain, Fear
Venous Blood Sampling-Related Pain and Fear
This study is an experimental randomized controlled study conducted to compare the effect of balloon blowing, coughing, and ball squeezing methods applied during venous blood sampling from on pain and fear level in 7-12 year-old…
- Trial name
- NCT03720808
- Testing
- Balloon Blowing, Ball Squeezing, Coughing
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Çankırı Karatekin University
Stroke, Acute Stroke
Stroke and Cerebrovascular Diseases Registry
This is a single institutional registry database for the patients with stroke and cerebrovascular diseases. Stroke is the fifth leading cause of death in the United States.
- Conditions
- Stroke, Acute Stroke, Acute Brain Injury, Ischemic Stroke
- Trial name
- NCT03281590
- Where
- United States
- Volunteers
- 4,594 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Healthy
A Study to Compare Zavegepant Concentration Using Samples Collected From the Vein Versus Patient-Centric Microsampling
The purpose of this clinical trial is to learn about the pharmacokinetics and safety of a drug called zavegepant from samples collected using a patient-centric device called Tasso-Plus (for liquid blood sample collection) and…
- Trial name
- NCT05948085
- Testing
- Zavegepant 10 mg IN
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Pfizer