Clinical trials: Constriction, Pathologic
Aortic Valve Stenosis
Impact of Postdilatation With the InterValve V8 Aortic Valvuloplasty Balloon Following TAVI Procedure
This study is designed to monitor the safety and performance of the V8 balloon when used as a postdilatation balloon in self-expanding Transcatheter Aortic Valve Implantation (TAVI) device procedures.
- Trial name
- PostCorE (NCT02472106)
- Testing
- Post-dilatation
- Volunteers
- 9 people
- Sponsor
- InterValve, Inc.
Maxillary Constriction in Growing Children, Transverse Maxillary Deficiency
Effects of BREA and MFT Expansion Appliances on Upper Airway Dimensions
This retrospective study evaluated whether orthodontic expansion using two types of appliances, a bimaxillary removable expansion appliance (BREA) and a maxillary fixed three screw palatal expander (MFT), influences upper airway…
- Conditions
- Maxillary Constriction in Growing Children, Transverse Maxillary Deficiency, Upper Airway Morphology in Children, Orthodontic Expansion Effects
- Trial name
- NCT07456917
- Testing
- Maxillary fixed three screw palatal expander (MFT), Bimaxillary removable expansion appliance (BREA)
- Where
- Poland
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Medical University of Silesia
Hypertrophic Cardiomyopathy
Treatment of Preclinical Hypertrophic Cardiomyopathy With Diltiazem
This is a pilot clinical trial to assess whether the administration of diltiazem may be able to decrease the development or progression of hypertrophic cardiomyopathy (HCM).
- Trial name
- NCT00319982
- Testing
- Diltiazem
- Where
- 2 sites in United States
- Volunteers
- 39 people
- Sponsor
- Brigham and Women's Hospital
Ischemic Heart Disease, Non STEMI
Coronary Computed Tomography Versus Invasive Angiography for Non-ST Elevation Acute Coronary Syndrome
Coronary computed tomography angiography (CCTA) is a widely accepted initial diagnostic test for individuals suspected of having chronic coronary syndromes.
- Conditions
- Ischemic Heart Disease, Non STEMI, Angina Pectoris, Unstable, Coronary Disease
- Trial name
- TRACTION (NCT06101862)
- Testing
- CCTA, Conventional ICA, Team-based interventional triage
- Where
- 6 sites in Denmark
- Volunteers
- 2,300 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
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
Aortic Valve Stenosis, Regurgitation, Aortic
Comparison of the Balloon-Expandable Edwards Valve and Self-Expandable CoreValve Evolut R or Evolut PRO System for the Treatment of Small, Severely Dysfunctional Surgical Aortic Bioprotheses. The 'LYTEN' Trial
The treatment with transcatheter aortic valve implantation (TAVI) of patients with small (≤23mm) surgical bioprostheses remains a challenge due to the increased transvalvular residual gradients and high rates of severe…
- Conditions
- Aortic Valve Stenosis, Regurgitation, Aortic, Prosthesis Failure
- Trial name
- NCT03520101
- Testing
- TAVI_ViV procedure with Edwards valve, TAVI_ViV procedure with CoreValve system
- Where
- Canada
- Volunteers
- 102 people
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec
Aortic Valve Stenosis
TranScatheter Aortic Valve RepLacement System US Feasibility Trial
A study to assess the safety and effectiveness of the Direct Flow Medical aortic valve system. This is for people with severe aortic stenosis who are not well enough to undergo a surgical repair.
- Trial name
- SALUS (NCT01932099)
- Testing
- Transcatheter aortic valve replacement
- Where
- 6 sites in United States
- Volunteers
- 30 people
- Sponsor
- Direct Flow Medical, Inc.
Coronary Stenosis, Angina Pectoris
Evaluation of the Correlation Between the Coronary Stenosis Degree With FFRCT and the Grade of Stable Angina Pectoris
Angina pectoris is the most common clinical manifestation of coronary heart disease(CHD), which is the main feature of chest pain caused by transient myocardial ischemia.
- Trial name
- NCT02802046
- Testing
- Computed tomographic angiography of coronary artery
- Volunteers
- 20 people
- Sponsor
- Guiyang No.4 People's Hospital
Hemianopia, Homonymous, Tunnel Vision
Feasibility Tests for Various Prism Configurations for Visual Field Loss
The investigators will develop and test different configurations of high-power prisms to expand the field of vision of patients with visual field loss to assist them with obstacle detection when walking.
- Conditions
- Hemianopia, Homonymous, Tunnel Vision, Visual Field Defect, Peripheral, Visual Field Constriction Bilateral
- Trial name
- NCT04424979
- Testing
- High power prisms
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Intensive Care Units, Neonatal, Misadventures to Patients During Surgical and Medical Care
SEPREVEN: a Stepped-wedge Randomised Controlled Trial
Adverse events are frequent in Neonatal Intensive Care Units' (NICU) patients and account for a high morbidity and mortality. Possible severe adverse events are central line associated bloodstream infections (CLABSI), ventilator…
- Conditions
- Intensive Care Units, Neonatal, Misadventures to Patients During Surgical and Medical Care, Catheter-related Bloodstream Infection (CRBSI) Nos, Quality of Healthcare
- Trial name
- SEPREVEN (NCT02598609)
- Testing
- Education program for NICU caregivers
- Where
- 12 sites in France
- Volunteers
- 8,000 people
- Sponsor
- Dr Caeymaex Laurence
Maxillary Transversal Deficiency (Maxillary Constriction) and Perioral Muscle Pressures (Tongue, Lip, and Cheek)
Orofacial Muscle Pressure and Maxillary Transverse Development
Study Title: Investigation of the Effects of Tongue, Lip, and Cheek Pressures on the Development of Upper Jaw Narrowness Introduction and Hypothesis The structure of our face and the alignment of our teeth are influenced not only…
- Trial name
- OMPTD (NCT07552441)
- Testing
- Orolingual Manometry using IOPI Pro Deluxe Kit
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Apnea+Hypopnea, Tracheal Dilatation
Tracheal Dilatation in Pediatric Patients With Acquired Tracheal Stenosis, and the Effects of Apneic Oxygenation
The study presents an alternative method of tracheal dilatation in pediatric patients with acquired tracheal stenosis. Dilatation is performed by the use of balloon catheter connected with manometer, that is bronchoscopic guided…
- Conditions
- Apnea+Hypopnea, Tracheal Dilatation, Igel, Tracheal Stenosis
- Trial name
- NCT05028023
- Testing
- Apneic oxygenation - supplemental high flow oxygen administration by an apneic way
- Where
- Greece
- Volunteers
- 5 people
- Sponsor
- Aristotle University Of Thessaloniki
Hypertrophic Cardiomyopathy, Left Ventricular Hypertrophy
Long Term Effects of Enalapril and Losartan on Genetic Heart Disease
The human heart is divided into four chambers. One of the four chambers, the left ventricle, is the chamber mainly responsible for pumping blood out of the heart into circulation.
- Conditions
- Hypertrophic Cardiomyopathy, Left Ventricular Hypertrophy, Myocardial Ischemia
- Trial name
- NCT00001534
- Testing
- Losartan
- Where
- United States
- Volunteers
- 112 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Hypertrophic Cardiomyopathy, Long QT Syndrome
Exercise in Genetic Cardiovascular Conditions
The goal is to determine how lifestyle and exercise impact the well-being of individuals with hypertrophic cardiomyopathy (HCM) and long QT syndrome (LQTS).
- Trial name
- LIVE-HCM/LQT (NCT02549664)
- Where
- 36 sites in United States, Australia and 3 more
- Volunteers
- 4,299 people
- Sponsor
- Yale University
Stricture Ureter
Buccal Mucosal Graft for Onlay Ureteroplasty in the Management of Proximal Ureteral Stricture
Onlay uretroplasty with either grafts or flaps has been attempted by many reconstructive urologists, ln particular buccal mucosa graft (BMG) ureteroplasty has been reported by many centers and has shown its feasibility and safety
- Trial name
- NCT05928364
- Testing
- Buccal mucosa for proximal ureter stricture
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Al-Azhar University
Class III Malocclusion
Treating Growing Patients With Mandibular Prognathism and Maxillary Constriction
This randomized controlled trial intends to test the efficacy of two treatment protocols in the correction of Class III malocclusion with maxillary constriction.
- Trial name
- NCT06762418
- Testing
- RMR+SME, BAIMT+RME
- Where
- 2 sites in Syria
- Volunteers
- 26 people
- Sponsor
- Damascus University
Emesis
Different Feeding Methods After Pyloromyotomy
The objective of this study is to scientifically evaluate the ability to discharge patients based on feeding schedule comparing ad lib feeds to our current scheduled regimen.
- Trial name
- NCT01509417
- Testing
- ad lib feedings after pyloromyotomy, FLAP diet after pyloromyotomy
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Children's Mercy Hospital Kansas City
Peripheral Artery Disease, Coronary Disease
Evaluation of Patients With Known or Suspected Heart Disease
In this study researchers will admit and evaluate patients with known or suspected heart disease referred to the Cardiology Branch of the National Heart, Lung, and Blood Institute (NHLBI).
- Conditions
- Peripheral Artery Disease, Coronary Disease, Diabetes and Heart Failure, Dilated Cardiomyopathy
- Trial name
- NCT00001313
- Where
- 2 sites in United States
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Hypertrophic Cardiomyopathy, Hypertrophic Obstructive Cardiomyopathy
Hypertrophic Cardiomyopathy Registry, Biobank and Imaging Data Repository
The Hearts in Rhythm Organization (HiRO) is a national network of Canadian researchers/clinicians, working towards a better understanding of the rare genetic causes of sudden cardiac death (SCD).
- Conditions
- Hypertrophic Cardiomyopathy, Hypertrophic Obstructive Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, Cardiomyopathies
- Trial name
- HiRO-HCM (NCT05100420)
- Where
- 17 sites in Canada
- Volunteers
- 2,000 people
- Sponsor
- Montreal Heart Institute
Myocardial Infarction (MI), Hypertrophic Cardiomyopathy (HCM)
The Application of T1 Mapping in Real-World
The goal of this observational study is to create a comprehensive real-world spectrum of T1 mapping measurements across different heart conditions.
- Conditions
- Myocardial Infarction (MI), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Arrhythmogenic Cardiomyopathy
- Trial name
- NCT07354646
- Testing
- Magnetic Resonance Imaging with Contrast
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Medical Sciences, Fuwai Hospital