Clinical trials: Stricture
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
Valvular Heart Disease, Treatment Adherence and Compliance
Valvular Heart Disease in Jiangxi Province
Study Title: A real-world study of valvular heart disease in Jiangxi Province Research Objectives: ① Main objectives: To examine the current incidence of valvular heart disease in Jiangxi Province, to establish a "Formal…
- Trial name
- JXVD (NCT05523193)
- Testing
- Formal treatment model
- Where
- China
- Volunteers
- 1,052 people, healthy volunteers welcome
- Sponsor
- Xiao Huang
Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated
MRI Sequence and Imaging Protocol Development
The purpose of this study is to develop imaging protocols when using cardiovascular magnetic resonance (CMR) to assess cardiac functions, morphology and tissue characterization.
- Conditions
- Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated, Left Ventricular Hypertrophy, Ischemic Heart Disease
- Trial name
- BikeMRI (NCT03040947)
- Testing
- Cardiovascular Magnetic Resonance
- Where
- Singapore
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Aortic Stenosis
Microvascular Dysfunction in Aortic Stenosis
Aortic stenosis (AS), or narrowing of the aortic valve, is the commonest condition requiring valve surgery in the developed world. It is currently not known what determines who will go on to develop symptoms.
- Trial name
- PRIMID-AS (NCT01658345)
- Where
- 3 sites in United Kingdom
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- University Hospitals, Leicester
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
Cholangiocarcinoma, Biliary Stricture
Diagnostic Accuracy of ERCP-guided Versus Cholangioscopy-guided Tissue Acquisition in Patients With Indeterminate Biliary Strictures Suspected to be Intrinsic .
Primary Objective: To assess the diagnostic accuracy of cholangioscopy-based assessment using SpyDS technology compared to cholangiography-based assessment using ERCP-guided biopsy and brushing in patients with indeterminate…
- Trial name
- Cholangioscopy (NCT03140007)
- Testing
- single operator cholangioscopy, ERCP guided brushing and biopsy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Asian Institute of Gastroenterology, India
Hypertrophic Cardiomyopathy, Mechanical Hyper-synchronicity
Hyper-synchronicity in Hypertrophic Cardiomyopathy (HCM) : Description, Mechanism and Origin With a Multi-imaging Approach to Predict Dual Chamber Pacing Response
Hypertrophic cardiomyopathy (HCM) is a common genetic cardiovascular disease. Outflow-tract gradient of 30 mmHg or more under resting conditions is an independent determinant of symptoms of progressive heart failure and death.
- Trial name
- HSYNC (NCT02559726)
- Testing
- Echocardiography (TEE), Magnetic resonance imaging (MRI) with gadolinium enhancement, Magnetic resonance imaging (MRI) without gadolinium enhancement
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Intracranial Stenosis
The Predictive Value of Retinal Vascular Signs for Intracranial Artery Stenosis (RVS-ICAS)
Intracranial artery stenosis (ICAS) is a leading cause of ischemic stroke worldwide, contributing to the global burden of stroke, particularly in the Asian population.
- Trial name
- RVS-ICAS (NCT05270746)
- Where
- 2 sites in China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
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
Stroke, Aortic Valve Stenosis
INTERvention With Cerebral Embolic Protection in Transcatheter Aortic Valve Implantation (INTERCEPTavi)
The study aims to evaluate the processes of a pilot single-centre randomised controlled trial (RCT) of carbon-dioxide flushing of transcatheter aortic valves (TAVI-CO2) versus standard saline flushing of valves (TAVI-S) and…
- Conditions
- Stroke, Aortic Valve Stenosis, Silent Cerebral Infarct, Vascular Brain Injury
- Trial name
- INTERCEPTavi (NCT05146037)
- Testing
- CO2 and saline flushing, Saline flushing
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Endothelial Function
Physiological Assessment of the Endothelium - Circadian Rhythm and Role of the Sympathetic Nervous System
The purpose of this study is to determine whether interventions aimed at increasing sympathetic tone modify endothelial function measures as assessed by the measurement of flow-mediated dilation (FMD) and constriction (FMC).
- Trial name
- PAN (NCT01713374)
- Testing
- Mental stress, no intervention, Myogenic activation
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Hypertrophic Cardiomyopathy
Family Studies of Inherited Heart Disease
Hypertrophic cardiomyopathy (HCM) is a genetically inherited heart disease. It causes thickening of heart muscle, especially the chamber responsible for pumping blood out of the heart, the left ventricle.
- Trial name
- NCT00001225
- Where
- United States
- Volunteers
- 5,880 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Spinal Stenosis Lumbar
Effects and Safety of Epidural PDRN vs. Placebo
This is a single-center, randomized, double-blind clinical study to assess the clinical application and outcomes with epidural PDRN versus Normal saline injection in patients with spinal stenosis.
- Trial name
- NCT04401735
- Testing
- Polydeoxyribonucleotides, Normal saline
- Where
- South Korea
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Anemia, Coronary Disease
PBM as Strategy to CABG Anemic Patients Bypass Graft (CABG)
Anemia poses risks during coronary artery bypass grafting (CABG), increasing complications and mortality rates. Blood transfusions in cardiac surgery have negative outcomes, prompting the use of erythropoietin in Patient Blood…
- Conditions
- Anemia, Coronary Disease, Coronary Artery Disease, Coronary Stenosis
- Trial name
- NCT06542393
- Testing
- Erythropoietin, blood transfusion
- Where
- Brazil
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Spinal Stenosis, Lumbar Region With Neurogenic Claudication
Assessing Superion Clinical Endpoints vs. Decompression
PURPOSE: The primary purpose of this study is to demonstrate that the Composite Clinical Success of the study group receiving the Superion® IDS is not inferior to the success rate observed in the study group treated by direct…
- Trial name
- ASCEND (NCT03048955)
- Testing
- Superion® IDS, Direct decompression Surgery
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- VertiFlex, Incorporated
Atherosclerosis, Menopause
Estrogen Exposure and Atherosclerosis in Postmenopausal Women
One hundred Spanish postmenopausal women accepted to be investigated for cardiovascular risk actors including clinical features, serum biochemical parameters, single nucleotide polymorphisms for estrogen receptor, and imaging…
- Conditions
- Atherosclerosis, Menopause, Estrogens, Carotid Intima-media Thickness
- Trial name
- NCT02951949
- Where
- Spain
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Miscellaneous Neoplasm, Nos, Non-Neoplastic Condition, Nos
Testing an Enhanced Digital Delivery Model for Inherited Cancer Genetic Testing in Young Adults With Cancer
This phase III trial compares the use of a digital chatbot enabled intervention to standard remote genetic services for increasing uptake of genetic counseling and testing among adolescents and young adult (AYA) cancer patients.
- Trial name
- NCT07091617
- Testing
- Telemedicine, Genetic Testing, Internet-Based Intervention
- Where
- 324 sites in United States
- Volunteers
- 535 people, healthy volunteers welcome
- Sponsor
- Alliance for Clinical Trials in Oncology
Hypertrophic Cardiomyopathy
Egyptian Hypertrophic Cardiomyopathy Program
Egyptian HCM program aims at defining incidence, severity, phenotype, genotype and determinants of the disease in Egypt, and providing state-of-the-art treatment strategies including medical, surgical and interventional…
- Trial name
- NCT05884892
- Where
- Egypt
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Magdi Yacoub Heart Foundation
Low Back Pain, Recurrent, Degenerative Disc Disease
GDS Muscle and Articulation Chain Treatment for Chronic LBP and Spinal Stenosis
Our purpose is to conduct a pilot study to evaluate GDS muscle and articulation chain treatment for inoperable spine patients with degenerative changes in the lumbar spine, compared to "standard treatment" (any other chosen…
- Trial name
- GDS (NCT04436003)
- Testing
- Muscle and articulation chains GDS method
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Hospital of Vestfold
Type 1 Diabetes Mellitus
The Effect of Uric Acid Lowering in Type 1 Diabetes
Patients with type 1 diabetes mellitus (T1DM) are at high risk of developing kidney complications potentially leading to end stage renal disease.
- Trial name
- NCT02344602
- Testing
- Febuxostat
- Where
- Canada
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto