Clinical trials: Constriction
Aortic Stenosis
Multicenter Study for the Validation of Willem AI: Aortic StenoSis Early Diagnosis With AI-electrocardiogram Study
AoS-SEDAI study is an observational, multicenter, retrospective and prospective clinical study. This study aims to assess Willem Artificial Intelligence (AI) ability to distinguish between aortic stenosis (AS) and non-AS patients…
- Trial name
- AoS-SEDAI (NCT07479992)
- Testing
- Willem AI ECG assessment
- Where
- 2 sites in Germany
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Idoven 1903 S.L.
Cardiac Disease, Pulmonary Disease, Healthy Volunteer
Exploratory Study of the Diagnostic Potential of an Innovative Thoracic Vibration Analysis Technique
Heart and lung disease are two major causes of hospitalisation and mortality in France (4-8). Together, these two diseases affect several million people in France, either acutely or chronically.
- Conditions
- Cardiac Disease, Pulmonary Disease, Healthy Volunteer, Aortic Stenosis Disease, Mitral Regurgitation
- Trial name
- AIRFORCE2 (NCT06661200)
- Testing
- SMC signal recording
- Where
- France
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Hypertrophic Cardiomyopathy
Safety and Pharmacokinetics Study of HRS-1893 Tablets in Healthy Subjects and Those With Impaired Kidney Function
The primary objective is to evaluate pharmacokinetics of HRS-1893 tablets in subjects with impaired kidney function in comparison with healthy subjects, to develop dose recommendations for patients with renal impairment.
- Trial name
- NCT06775834
- Testing
- HRS-1893
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shandong Suncadia Medicine Co., Ltd.
Premature Infant, Chronic Respiratory Disease
Genesis Electrical Impedance Tomography (EIT): A Preliminary Study
The purpose of this study is to evaluate the Genesis Electrical Impedance Tomography (EIT) imaging system for use in pediatric respiratory disease populations including neuromuscular and bronchopulmonary dysplasia, as well as in…
- Conditions
- Premature Infant, Chronic Respiratory Disease, Neuromuscular Diseases, Healthy
- Trial name
- NCT03797183
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Carotid Artery Plaque, Ischemic Stroke
18F FDG and 68Ga FAPI PET/MR Imaging of Carotid Artery Plaque Vulnerability: A Clinical Study in Carotid Artery Plaque Patients
Carotid atherosclerotic plaque rupture is the main cause of ischemic stroke attacks, and early and precise assessment of plaque vulnerability can prevent ischemic stroke.
- Conditions
- Carotid Artery Plaque, Ischemic Stroke, PET / MR
- Trial name
- NCT07004673
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Degeneration, Spondylosis
Prospective Clinical Evaluation of the New Aegis Plate for Anterior Interbody Fusions
Introduction: Degenerative changes of the discs and facet joints in the lumbar spine can result in pain and disability from spondylosis, spondylolisthesis and stenosis.
- Conditions
- Degeneration, Spondylosis, Spondylolithesis, Stenosis
- Trial name
- Aegis (NCT00555659)
- Where
- United States
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Columbia Orthopaedic Group, LLP
Carotid Atherosclerosis, Cerebrovascular Accident
Potential Risk Factors for Stroke
Early studies have shown that the immune system may play a role in the development of strokes. Conditions such as high blood pressure, high cholesterol, diabetes, and old age can activate the immune system and increase the risk…
- Conditions
- Carotid Atherosclerosis, Cerebrovascular Accident, Diabetes Mellitus, Hypercholesterolemia
- Trial name
- NCT00001368
- Testing
- cytokine and leukocyte activation profile
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Coronary Artery Disease, Heart Failure
Stress Echo 2020 - The International Stress Echo Study
Background: Stress echocardiography (SE) has an established role in evidence-based guidelines, but recently the breadth and variety of applications has extended well beyond coronary artery disease (CAD).
- Conditions
- Coronary Artery Disease, Heart Failure, Hypertrophic Cardiomyopathy, Aortic Valve Disease
- Trial name
- SE2020 (NCT03049995)
- Testing
- Left ventricular contractile reserve SE, B-lines SE, Left ventricular outflow tract gradient SE
- Where
- Italy
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Fatebenefratelli Hospital
Aortic Valve Stenosis
Detection of Aortic Stenosis With Smartphone Auscultation Using Machine Learning (HEARTBEAT-Pilot)
Severe aortic stenosis, a common heart valve issue, is usually treated surgically or through intervention. Diagnosis typically occurs after symptoms appear, but research suggests already treating asymptomatic cases may help…
- Trial name
- NCT06404437
- Testing
- Auscultation
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Friedrich-Alexander-Universität Erlangen-Nürnberg
Indeterminate Common Bile Duct Stricture
Evaluation of (Surgery and Endoscopy) in Management of Indeterminate Common Bile Duct Stricture
Evaluate the lower indeterminate CBD strictures trying to reach possible diagnosis by all available methods i.e brush cytology ,bile aspirate cytology , tissue biopsy ,imaging studies and laboratory work up then treatment of the…
- Trial name
- NCT05138237
- Testing
- endoscopy or surgery
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sohag University
Cystic Fibrosis, Endothelial Dysfunction
Vascular Health and Function in Cystic Fibrosis
The goal of this observational study is to learn whether blood vessel health and function differ between adults aged 40 years or older with cystic fibrosis (CF) who are taking CFTR modulator therapy and healthy adults of the same…
- Conditions
- Cystic Fibrosis, Endothelial Dysfunction, Cardiovascular Risk Factor
- Trial name
- CF-VHF (NCT07904325)
- Testing
- Non-invasive vascular, cerebrovascular and autonomic assessment
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Liverpool Heart and Chest Hospital NHS Foundation Trust
Symptomatic Lumbar Spinal Stenosis, Lumbar Spinal Stenosis
Muscle Function and Pelvic Stability While Walking in Patients With Symptomatic Lumbar Spinal Stenosis
This study is to quantify changes in muscle activity and pelvic stability during prolonged walking in patients with symptomatic lumbar spinal stenosis (sLSS) and healthy control subjects and to determine their association with…
- Trial name
- WALK-LSS (NCT03951935)
- Testing
- Oswestry Disability Index (ODI) questionnaire, self-paced walking test (SPWT)
- Where
- Switzerland
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Lacrimal Duct Obstruction, Lacrimal Stenosis
A Feasibility Study to Develop a Protocol for Functional Lacrimal Magnetic Resonance Imaging
Watering eyes (epiphora) is a very common ophthalmic condition. It is frequently caused by dysfunction of the lacrimal (tear) drainage system which is the 'pipework' that takes tears from the eye to the nasal cavity.
- Trial name
- NCT03411889
- Testing
- MRI scanning
- Where
- United Kingdom
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Epiphora Due to Insufficient Drainage
OCT Guided Punctal Stenosis Management
This is a clinical trial study that was conducted on patients with punctal stenosis.We studied the diameter of stenosed puncta before and after treatment with preserved free steroid eye drops using AS-OCT.
- Trial name
- NCT04318652
- Testing
- Methylprednisolone eyedrops
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tanta University
Coronary Restenosis
Effect of Combination of Non-sLip Element Balloon (NSE) and druG-coated bAlloon (DCB) for In-steNT Restenosis Lesions
Use of SeQuent® Please drug coated balloon (DCB) is effective to treat patients with in-stent restenosis (ISR). However, whether the type of pre-dilatation balloon prior to DCB dilatation impacts on clinical and angiographic…
- Trial name
- ELEGANT (NCT02300454)
- Testing
- Non-slip element balloon (NSE), Balloon
- Where
- 2 sites in Japan
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Mitsui Memorial Hospital
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
Lumbar Spinal Stenosis
Patients With Lumbar Spinal Stenosis With Balance Disorder
It is seen that patients with Lumbar Spinal Stenosis often experience balance problems. Although the relationship between muscle thickness and balance has been explained, there are insufficient studies investigating the…
- Trial name
- NCT06079580
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Karabuk University
HCM - Hypertrophic Cardiomyopathy
Automated Reports Generation of Cardiovascular Magnetic Resonance Imaging
The goal of this observational study is to evaluate the accuracy, completeness, and clinical consistency of large language model-generated cardiac magnetic resonance (CMR) imaging reports compared with expert radiologist reports…
- Trial name
- NCT07340762
- Testing
- large lanuage model
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Medical Sciences, Fuwai Hospital