Clinical trials: Valve
Aortic Stenosis
Loss of Y Chromosome in Aortic Stenosis
The most common heart valve disease in humans is aortic stenosis which is a critical narrowing of the valve through which the heart has to pump blood to the rest of the body.
- Trial name
- NCT06595407
- Testing
- Blood analysis for loss-of-Y chromosome
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Acute Respiratory Failure
Non-rebreather at Flush Rate Compared to Bag Valve Mask With Assist
This crossover investigation enrolls healthy volunteers and compares the exhaled oxygen content (FeO2) between the non-rebreather mask at the flush rate and a bag-valve-mask device at the flush rate, used with active positive…
- Trial name
- NCT02841592
- Testing
- Flush rate oxygen, Flush rate oxygen with assist
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Hennepin Healthcare Research Institute
Emphysema
Spiration Valve System 9 mm European Post Market Evaluation Study
The purpose of this observational study is to investigate the efficacy of 9 mm intrabronchial valve treatment in patients with heterogeneous emphysema and to gain further insights and experience on the treatment with this valve…
- Trial name
- NCT03008226
- Testing
- Implementation of 9 mm intrabronchial valves
- Where
- Germany
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Glutathione Peroxidase Activity, Aortic Stenosis
GPx Activity in Subjects With Aortic Stenosis Undergoing TAVR
The aim of this project is to investigate the association of glutathione peroxidase (GPx) and severe aortic stenosis (AS), as well as the impact of transcatheter aortic valve replacement (TAVR) on GPx activity post-procedure.
- Conditions
- Glutathione Peroxidase Activity, Aortic Stenosis, Transcatheter Aortic Valve Replacement
- Trial name
- NCT04268160
- Testing
- Blood draw to measure GPx activity, Blood draw to measure SOD activity, Blood draw to measure Lp(a) levels
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Florida
Nasal Valve Incompetence, Alar Collapse
Measurement of Age and Sex Related Changes in Nasal Tip Support Using Digital Newton Meter
Background: It is predicted that the nasal tip support will decrease with aging due to weakening of cartilage and connective tissues. However, there is no consensus on the age at which this change began.
- Trial name
- NCT04017923
- Testing
- measurement of nasal tip support in different age groups.
- Where
- Turkey (Türkiye)
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Baskent University Ankara Hospital
Coronavirus, Covid19
Impact of Aerosol Box Use on Healthcare Provider Contamination
Aerosol Generating Medical Procedures (AGMP) are procedures that have the potential to create tiny particles suspended in the air. These particles can contain germs such as viruses.
- Conditions
- Coronavirus, Covid19, COVID-19 Acute Respiratory Distress Syndrome
- Trial name
- NCT04880668
- Testing
- Aerosol Box (Splashguard)
- Where
- 4 sites in United States, Canada
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- KidSIM Simulation Program
Hypertrophic Cardiomyopathies, Athlete Heart
Role of CMR-FT in Assessment of HCM and Athlete's Heart.
Using cardiac MRI feature tracking to asses myocardial motion differences in athlete's heart and discovered hypertrophic cardiomyopathy patients to increase diagnostic accuracy of hypertrophic cardiomyopathy.
- Trial name
- NCT06859827
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sohag University
Aortic Stenosis
Deep Learning Enhanced Detection of Aortic Stenosis - The DETECT-AS-Diagnostic Study
The DETECT-AS Diagnostic Study will assess the performance of artificial intelligence (AI) risk predictions to detect aortic stenosis using results from portable electrocardiogram (ECG) and cardiac ultrasound devices.
- Trial name
- NCT06749145
- Testing
- Portable 1-lead electrocardiogram, Point-of-care ultrasound, AI-ECG risk algorithm
- Where
- 3 sites in United States
- Volunteers
- 410 people, healthy volunteers welcome
- Sponsor
- Yale University
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
Bicuspid Aortic Valve
Identification of Genetic Causes of Bicuspid Aortic Valve Disease
BAVgenetics is a partnership between Investigators at Boston University, Brigham and Women's Hospital, and Massachusetts General Hospital dedicated to discovering the genetic causes of bicuspid aortic valve disease and associated…
- Trial name
- BAV Genetics (NCT01026571)
- Where
- United States
- Volunteers
- 11,000 people, healthy volunteers welcome
- Sponsor
- Boston University
Avalanche Burial
Changes in the Carbon Dioxide Content in the Body During a Simulated Avalanche Burial With and Without the Use of a Breathing Tube System.
Every year, around 100 people die in avalanches in the Alps. Many of these accidents occur during winter sports. In most cases, the victims suffocate under the snow after the avalanche has come to a standstill.
- Trial name
- Avalanox (NCT06802744)
- Testing
- Addition of an artificial air-pocket device during simulated avalanche burial, Addition of a non-functioning artificial air-pocket device during simulated avalanche burial
- Where
- Switzerland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Klinik fur Pneumologie und Schlafmedizin Kantonsspital Aarau
Right Ventricle, Pulmonary Valve Stenosis
Follow Up on Freestyle Valves in Children
The purpose of this study is to determine if the Medtronic Freestyle porcine valve is effective over a long period of time when it is used to replace the valve that normally allows blood to flow from the right lower pumping…
- Conditions
- Right Ventricle, Pulmonary Valve Stenosis, Pulmonary Valve Atresia
- Trial name
- NCT00385112
- Testing
- Echocardiogram
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Emory University
Mitral Valve Prolapse
Exercise Capacity Evaluation in Patients With Non-rheumatic Mitral Valve Prolapse (MVP)
Mitral valve prolapse (MVP) is a relatively common cardial problem in which one or more of the leaflets of the mitral valve prolapse during systole into the left atrium.
- Trial name
- NCT02499419
- Where
- Israel
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Fontan Procedure, Hypoplastic Left Heart Syndrome
Impact of Vitamin C on Endothelial Function and Exercise Capacity in Fontan-Palliated Patients
In this study, investigators will evaluate the effect of vitamin C on endothelial function, exercise tolerance and quality of life in patients with a single ventricle who have been palliated to Fontan physiology.
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia
- Trial name
- NCT00974025
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Symptomatic Obstructive Hypertrophic Cardiomyopathy, Healthy Subjects
A Single and Multiple Ascending Dose Study of CK-3773274 in Healthy Adult Subjects
The purposes of this study are to: 1. Learn about the safety of CK-3773274 after a single dose and multiple doses in healthy subjects. 2. Learn how healthy subjects tolerate CK-3773274 after a single dose and multiple doses. 3.
- Trial name
- NCT03767855
- Testing
- CK-3773274 - Granules in Capsule, CK-3773274 - Tablets
- Where
- United States
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Cytokinetics
Coronary Heart Disease (CHD), Heart Failure
a Foundational Model for Cardiovascular Disease Diagnosis and Prediction
The goal of this observational study is to develop and evaluate the efficacy of a foundational model that integrates multimodal medical data to improve the diagnosis and prediction of cardiovascular diseases in patients aged 18…
- Conditions
- Coronary Heart Disease (CHD), Heart Failure, Arrhythmias, Valvular Heart Disease
- Trial name
- NCT06591923
- Testing
- No Interventions
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Glaucoma
Fixating the Plate of Ahmed Valve to the Sclera Using a Flanged Prolene Suture
this study evaluated new technique for suturing the Ahmed valve device used to treat resistant types of glaucoma
- Trial name
- NCT06722794
- Testing
- Novel Technique for Fixating the Plate of Ahmed Valve to the Sclera Using a Single Flanged Prolene Suture
- Where
- Saudi Arabia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Zagazig University
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
Hypertrophic Obstructive Cardiomyopathy
Hyp Obst Cardiomyopathy
Hypertrophic Obstructive cardiomyopathy (HOCM) is the most common genetic cardiomyopathy, heterogeneous in phenotype and clinical course.
- Trial name
- NCT04329689
- Testing
- The Septal myectom
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Assiut University
Hypertrophic Cardiomyopathy
Study Evaluating the Pharmacokinetics of Mavacamten in Healthy Adult Chinese Subjects
Mavacamten is a small-molecule allosteric inhibitor of cardiac myosin that reversibly inhibits its binding to cardiac actin, thereby relieving systolic hypercontractility and improving ventricular compliance.
- Trial name
- NCT05135871
- Testing
- Mavacamten
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- LianBio LLC