Clinical trials: Valve
Glaucoma
Effect of Mitomycin-C on the Outcomes of Patients Receiving Ahmed Glaucoma Valve Implantation Surgery
The goal of this clinical trial is to determine if the intraoperative application of Mitomycin-C can enhance the outcomes of Ahmed Glaucoma Valve (AGV) implantation in treating refractory glaucoma.
- Trial name
- MMC (NCT06680245)
- Testing
- Mitomycin c
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- St. Joseph's Healthcare Hamilton
Mitral Valve Insufficiency, Dilated Cardiomyopathy
Prospective Study Looking at Quality of Life Measures in Non-ischaemic Cardiomyopathy After Mitral Valve Repair
Chronic severe mitral regurgitation can lead to symptoms and left ventricular dysfunction. The purpose of this study is to prospectively follow patients with non-ischaemic cardiomyopathy who are eligible for mitral valve repair…
- Conditions
- Mitral Valve Insufficiency, Dilated Cardiomyopathy, Congestive Heart Failure
- Trial name
- NCT00483236
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Obstructive Hypertrophic Cardiomyopathy
Effect of Verapamil Tablets on the Pharmacokinetic of HRS-1893 Tablets in Healthy Subjects
The purpose of this phase Ⅰ study is to evaluate the effect of oral verapamil tablets on the pharmacokinetics of HRS-1893 in healthy subjects.
- Trial name
- NCT06354556
- Testing
- HRS-1893 tablet, Verapamil tablet
- Where
- China
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Shandong Suncadia Medicine Co., Ltd.
Aortic Valve Disease, Conduction Disturbances
Ambulatory Electrocardiographic Monitoring for the Detection of High-Degree Atrio-Ventricular Block in Patients With New-onset PeRsistent LEft Bundle Branch Block After Transcatheter Aortic Valve Implantation. The "MARE" Study
The purpose of this study is to determine the incidence and predictors of high degree or complete atrioventricular block (AVB) (paroxysmal or persistent) in patients with new-onset persistent left bundle branch block (NOP-LBBB)…
- Trial name
- MARE (NCT02153307)
- Testing
- Implantable loop recorders system Reveal ICM LINQ®,
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec
Apnea
Ventilation Using a Bag Valve Mask With Integrated Internal Handle
Investigators compared tidal volumes for single rescuer ventilation using a modified bag valve mask with an integrated internal handle versus a conventional bag valve mask in a manikin model.
- Trial name
- NCT02792049
- Testing
- Modified Ambu Spur II bag valve mask, Conventional Ambu Spur II bag valve mask
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Brooke Army Medical Center
Injuries, Spinal Cord, CVA (Cerebrovascular Accident)
Transitioning to a Valve-Gated Intrathecal Drug Delivery System (IDDS)
Comparing the efficacy of Intracthecal Baclofen dose between the Prometra II and Medtronic SynchroMed II for patients with spasticity and with current a current SyncroMed II pump needing replacement.
- Conditions
- Injuries, Spinal Cord, CVA (Cerebrovascular Accident), Traumatic Brain Injury, MS (Multiple Sclerosis)
- Trial name
- NCT04530955
- Testing
- Prometra II Programmable Pump - Flowonix Medical
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Culicchia Neurological Clinic
Valvular Heart Disease
Diagnostic Study of Structural Heart Disease Based on Cardiac Electromechanical Signals
Study participants will be prospectively recruited from consecutive outpatient and inpatient populations presenting to the Cardiology and Cardiac Surgery Departments of the following participating institutions: The First…
- Trial name
- NCT07603115
- Testing
- Transthoracic Echocardiography
- Volunteers
- 1,300 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Valvular Heart Disease, Pericardial Disease
PPG to Predict Ejection Fraction and Other Echographic Data in the General Population
The investigators are aiming to investigate the association between ejection fraction (EF) determined by echocardiography and signals obtained from Photoplethysmography (PPG) in the general population.
- Conditions
- Valvular Heart Disease, Pericardial Disease, Cardiomyopathies
- Trial name
- NCT04843371
- Testing
- Photoplethysmography
- Where
- 3 sites in United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Tulane University
Mitral Valve Regurgitation
STS/ACC TVT Registry Mitral Module
The TVT Registry™ is a benchmarking tool developed to track patient safety and real-world outcomes related to the transcatheter mitral valve repair (TMVR) procedure.
- Trial name
- TMVR (NCT02245763)
- Testing
- Leaflet Clip
- Where
- United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- American College of Cardiology
Bicuspid Aortic Valve
Whole Exome Sequencing in Bicuspid Aortic Valve Patients
Bicuspid aortic valve (BAV), congenital anomaly present in 2% of the population, is defined by the presence of two sigmoid valves instead of three.
- Trial name
- NCT02899624
- Testing
- Extra blood draw samples, additional tissue samples
- Where
- France
- Volunteers
- 427 people, healthy volunteers welcome
- Sponsor
- Assistance Publique Hopitaux De Marseille
Fontan Procedure, Hypoplastic Left Heart Syndrome
Global and Regional Myocardial Strain and Power Output In Patients With Single Ventricles Using Novel MRI Techniques
The investigators are beginning a clinical research study here at UCSF to learn more about how hearts with single ventricles work.
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia, Double Inlet Left Ventricle
- Trial name
- NCT01107990
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Valvular Heart Disease Stenosis and Regurgitation, Valvular Heart Disease
Screening of Valvular Heart Disease Using Single-channel Electrocardiogram
It is a prospective, controlled, single-center, observational, non-randomized study. The study is planned to include at least 1000 patients over 18 years old in the training sample and 200 patients over 18 years old in the test…
- Trial name
- NCT07099417
- Testing
- No intervention (observational study)
- Where
- Russia
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Aortic Valve Stenosis
Genetic of Aortic Valve Stenosis - Clinical and Therapeutic Implications
Pathophysiology of Aortic Valve Stenosis remains poorly known. The aim of the present study is to identify genetic factors involved in this disease using a case control trial design.
- Trial name
- GENERAC (NCT00647088)
- Where
- France
- Volunteers
- 2,200 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Aortic Valve Stenosis, Myocardial Fibrosis
Ultrasonic Markers for Myocardial Fibrosis and Prognosis in Aortic Stenosis
This study is part of a research project in which new ultrasound-based techniques will be examined to improve clinical decision making for patients with aortic stenosis.
- Trial name
- NCT03422770
- Testing
- Echocardiography, MRI, Blood test
- Where
- Norway
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Glaucoma, Primary Open Angle Glaucoma
Ahmed Glaucoma Valve Surgery With Mitomycin-C
This study will determine the effectiveness of Mitomycin-C use in the glaucoma surgery Ahmed valve implantation. Approximately 100 patients will be enrolled, with half receiving the Mitomycin-C treatment and the other half…
- Conditions
- Glaucoma, Primary Open Angle Glaucoma, Secondary Glaucoma, Neovascular Glaucoma
- Trial name
- AMCT (NCT02805257)
- Testing
- Mitomycin-C, Balanced Salt Solution, Ahmed Glaucoma Valve Implant
- Where
- 4 sites in United States, China and 2 more
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM)
AI-enabled Screening and Diagnosis of Cardiomyopathies Using Coronary CTA
The goal of this observational and diagnostic study is to develop and validate an artificial intelligence assisted approach for coronary computer tomography angiography-(CCTA)-based screening and diagnosis of cardiomyopathies in…
- Conditions
- Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Restrictive Cardiomyopathy
- Trial name
- Atlantis (NCT06748261)
- Testing
- CCTAI model
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Mitral Valve Regurgitation
Understanding the Metabolic and Functional Derangement of Primary Mitral Regurgitation: a Feasibility Study Using Carbon 11(C-11) Acetate Cardiac Positron Emission Tomography Magnetic Resonance Imaging (PET-MRI)
The aim of this pilot imaging study is to investigate the underlying changes in myocardial oxidative metabolism, myocardial inflammation and alterations in extracellular volume in patients with chronic compensated moderate-severe…
- Trial name
- NCT04795856
- Testing
- [11C] acetate
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Apnea
Nu-Mask Intraoral Airway Device Versus Conventional Bag Valve Mask Ventilation Crossover Trial
This study comprised a randomized cross-over trial of ventilation using the NuMask Intraoral Mask versus conventional Bag Valve Mask in a cadaver model among United States Army combat medics.
- Trial name
- NCT02627001
- Testing
- NuMask Intraoral Airway Device, Bag Valve Mask
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Brooke Army Medical Center
Aortic Valve Disease, Aortic Valve Stenosis
Evaluation of the Inflammatory Response in Post-operated Aortic Valve Replacement Patients.
Background Calcification of the aortic valve affects more than 26% of adult patients over 65 years of age and is the main indication for valve replacement in the United States of America.
- Conditions
- Aortic Valve Disease, Aortic Valve Stenosis, Aortic Valve Calcification, Prosthetic Valve Malfunction
- Trial name
- NCT04557345
- Testing
- Determination of cytokines, Two-dimensional transthoracic echocardiogram
- Where
- Mexico
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Cardiologia Ignacio Chavez
Conduction Disturbances, Transcatheter Aortic Valve Replacement
Prospective Validation of a Pre-Specified Algorithm for the Management of Conduction Disturbances Following TAVR
The high incidence and variety of conduction disturbances post-TAVR represents a major challenge in the periprocedural management of TAVR recipients.
- Conditions
- Conduction Disturbances, Transcatheter Aortic Valve Replacement, Permanent Pacemaker Implantation
- Trial name
- PROMOTE (NCT04139616)
- Where
- Canada
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec