Clinical trials: Shunt Malfunction
Hepatic Encephalopathy
Post Transjugular Intrahepatic Portosystemic Shunt (Tips) Albumine Infusion to Prevent Hepatic Encephalopathy
The purpose of this study is to evaluate the efficacy of albumin infusion to prevent post tips hepatic encephalopathy'
- Trial name
- NCT01559519
- Testing
- Albumin
- Volunteers
- 20 people
- Sponsor
- University of Roma La Sapienza
Cerebrospinal Fluid Shunts
Bedside Ultrasound to Measure Optic Nerve Sheath Diameter in Pediatric CSF Shunts
Bedside ultrasound in the emergency department is useful for quick assessments of patients. One growing use is to measure the optic nerve sheath diameter of patients for whom increased pressure in the head is a concern.
- Trial name
- NCT02776085
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Heart Failure With Reduced Ejection Fraction (HFrEF)
Atrial Shunt for the Treatment of Heart Failure With Reduced Ejection Fraction
To evaluate the safety and effectiveness of the Atrial Shunt for the treatment of heart failure with reduced ejection fraction (HFrEF)
- Trial name
- PAST-HFrEF (NCT07820410)
- Testing
- D-shant Atrial Shunt, Guideline-Directed Medical Therapy (GDMT) for heart failure with reduced ejection fraction
- Where
- China
- Volunteers
- 208 people
- Sponsor
- Beijing Anzhen Hospital
Cirrhosis, Acquired Portal-systemic Shunt Due to Cirrhosis
Effect of Transjugular Intrahepatic Portosystemic Shunt on Gut Microbiota in Cirrhotic Patients
The purpose of this study is to determine the effect of transjugular intrahepatic portosystemic shunt on gut microbiota and associated inflammatory factors in cirrhotic patients.
- Conditions
- Cirrhosis, Acquired Portal-systemic Shunt Due to Cirrhosis, Hepatic Encephalopathy
- Trial name
- NCT02427906
- Where
- China
- Volunteers
- 50 people
- Sponsor
- West China Hospital
Left Heart Failure
To Assess the Safety and Efficacy of the Atrial Shunt Implant System in the Treatment of Patients With Chronic Left Heart Failure
This trial is a prospective, multicenter, single-group target-value clinical trial in which patients with chronic left heart failure are planned to be recruited.
- Trial name
- NCT05486000
- Testing
- Atrial shunt implant system
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Morningside (Nantong) Medical Co.,Ltd
Obesity, Respiratory Insufficiency
Inhaled Nitric Oxide in Severe Obesity
The goal of this clinical trial is to learn about the effects of inhaled nitric oxide on oxygenation and lung perfusion in participants with severe obesity who have acute hypoxemic respiratory failure and are on mechanical…
- Conditions
- Obesity, Respiratory Insufficiency, Hypoxemic Respiratory Failure, Nitric Oxide
- Trial name
- NCT06675435
- Testing
- Nitric oxide
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Massachusetts General Hospital
Signs or Symptoms of Shunt Failure
The Use of Shunt Tap in Assessing Ventriculoperitoneal (VP) Shunt Malfunction
The objective of the study is to test the sensitivity and specificity of a shunt tap to predict shunt failure.
- Trial name
- NCT00205088
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Wisconsin, Madison
Heart Failure
ALLEVIATE-HF-HD Study
Patients with heart failure and reduced left ventricular ejection fraction (HFrEF, EF 25-39%), or mid-range left ventricular ejection fraction (HFmrEF, EF 40-49%), or preserved left ventricular ejection fraction (HFpEF, EF ≥…
- Trial name
- NCT05501652
- Testing
- ALV1System
- Where
- Georgia
- Volunteers
- 5 people
- Sponsor
- Alleviant Medical, Inc.
Heart Failure and Reduced Ejection Fraction, Heart Failure Chronic
RELIEVE-HFrEF TRIAL: REducing Lung congestIon Symptoms Using the v-wavE Shunt in adVancEd Heart Failure With Reduced EF
This study will evaluate the V-Wave Ventura Interatrial shunt. The Shunt is a small, hourglass-shaped device implanted in the dividing wall (septum) between the right and left atria (top chambers) of the heart placed during a…
- Conditions
- Heart Failure and Reduced Ejection Fraction, Heart Failure Chronic, Heart Failure New York Heart Association Class III, Heart Failure Congestive
- Trial name
- RELIEVE-HFrEF (NCT07696975)
- Testing
- Implantation of the V-Wave Interatrial shunt
- Volunteers
- 250 people
- Sponsor
- V-Wave Ltd
Heart Failure
REDUCE LAP-HF III Corvia Protocol 1701
This is a post market trial to be conducted at sites in Germany. The device has CE approval in the EU. The purpose of this observational registry is to collect post market data in consecutive patients treated with the IASD System…
- Trial name
- REDUCELAPHFIII (NCT03191656)
- Testing
- IASD Implant
- Where
- 27 sites in Germany, Switzerland
- Volunteers
- 500 people
- Sponsor
- Corvia Medical
Congestive Heart Failure
The V-Wave Shunt: FIM Safety and Feasibility Study
The V-Wave atrial-septal shunt implant is intended for the reduction of elevated left atrial filling pressures ('Left Atrial Decompression') in chronic, New York Heart Association (NYHA) class III -IV, Heart Failure (HF)…
- Trial name
- VW-SP-1 (NCT01965015)
- Testing
- Implantation of the V-Wave inter-atrial shunt
- Where
- 6 sites in Germany, Israel and 1 more
- Volunteers
- 16 people
- Sponsor
- V-Wave Ltd
Hepatic Encephalopathy, Liver Cirrhosis
Prediction of Post-TIPS Hepatic Encephalopathy in Patients With Liver Cirrhosis
Prediction of hepatic encephalopathy after insertion of a transjugular intrahepatic portosystemic stent shunt (post-TIPS HE) are critical for patient selection prior to TIPS insertion, and a currently unmet, clinically highly…
- Trial name
- NCT05466669
- Where
- 2 sites in Germany
- Volunteers
- 83 people
- Sponsor
- Johannes Gutenberg University Mainz
Heart Failure
ExplorATory Study oF the EdWards Transcatheter Atrial Shunt System (AlT FloW Germany)
The Exploratory Study of the Edwards Transcatheter Atrial Shunt System is a multi-center, prospective, exploratory study to evaluate initial clinical safety, device functionality, and effectiveness of the Edwards Transcatheter…
- Trial name
- AlT-FloW (NCT04965623)
- Testing
- Atrial Shunt
- Sponsor
- Edwards Lifesciences
Kidney Failure, Acute
Non-invasive Evaluation of the Predictive Value of CEUS and SWE in ACLF, Renal Failure and Hepatorenal Syndrome
Evaluation of non-invasive prognostic parameters in patients developing ACLF and renal failure in patients receiving and not receiving transjugular intrahepatic portosystemic shunt (TIPS).
- Trial name
- NECTAR (NCT04446858)
- Where
- Germany
- Volunteers
- 1,000 people
- Sponsor
- University Hospital, Bonn
Liver Cirrhosis, Gastroesophageal Varices Bleeding
Comparison of Underdilated Versus Standard TIPS in Preventing Variceal Rebleeding in Patients With Cirrhosis
Transjugular intrahepatic portosystemic shunt (TIPS) is a key therapeutic intervention for complications of portal hypertension.
- Trial name
- UVR-TIPS (NCT07253389)
- Testing
- Underdilated TIPS, Standard TIPS
- Where
- China
- Volunteers
- 648 people
- Sponsor
- Air Force Military Medical University, China
Heart Failure
ALLEVIATE-HFrEF Study
Patients with heart failure and reduced left ventricular ejection fraction (HFrEF, EF ≤ 40%) with mild to moderate functional limitation will be evaluated for treatment via creation of a no-implant interatrial shunt using…
- Trial name
- NCT05133089
- Testing
- ALV1 System
- Where
- Georgia
- Volunteers
- 5 people
- Sponsor
- Alleviant Medical, Inc.
Liver Cirrhosis, Portal Hypertension
Underdilated VCX-TIPS Versus EVL Plus NSBB for Secondary Prophylaxis of Variceal Bleeding in Cirrhosis
Variceal bleeding is a major complication of portal hypertension in patients with cirrhosis and is associated with substantial risks of rebleeding and death.
- Conditions
- Liver Cirrhosis, Portal Hypertension, Gastroesophageal Varices Bleeding, Esophageal Varices
- Trial name
- U-TIPS (NCT07587671)
- Testing
- Underdilated VCX-TIPS, Endoscopic Variceal Ligation, Nonselective Beta-Blockers
- Where
- 3 sites in China
- Volunteers
- 240 people
- Sponsor
- West China Hospital
Hydrocephalus
Study of Ultrasound of the Eye for Children With Suspected Shunt Failure
The purpose of the study is to determine whether an ultrasound of the eye can be used as a radiation-free alternative to X-ray to identify children with risk of shunt failure in the Emergency Department.
- Trial name
- NCT00743457
- Testing
- Ocular Ultrasound
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Oregon Health and Science University
Heart Failure, Mitral Regurgitation
Implantation of a Permanent Interatrial Shunt to Reduce Left Atrial Filling Pressures Following MitraClip
This is an investigator initiated, prospective study to demonstrate the safety and feasibility of implantation of the V-Wave Interatrial Shunt System (herein called the "V-Wave Shunt" in patients immediately following…
- Trial name
- NCT04729933
- Testing
- V-Wave Shunt Placement
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- samir kapadia
Kidney Failure, Arteriovenous Shunt
Maximizing Native Arteriovenous Fistulae Rates.
The purpose of our study is to compare physical examination alone to color Doppler ultrasonography (CDUS) vascular mapping and physical examination in terms of outcomes of vascular access and long-term patency.
- Conditions
- Kidney Failure, Arteriovenous Shunt, Hemodialysis
- Trial name
- NCT02705417
- Testing
- preoperative color Doppler ultrasonographic vascular mapping, physical examination, medical history
- Volunteers
- 136 people
- Sponsor
- Medifil AE