Clinical trials: Stricture
Ophthalmopathy , Lacrimal System
Evaluation of Lacrimal Punctal Changes by Anterior Segment Optical Coherence Tomography AS-OCT After Topical Combined Antibiotics and Steroids Treatment in Cases of Inflammatory Punctual Stenosis
Punctal stenosis is an important etiological factor that should be considered when assessing patients with epiphora. Anatomically, acquired punctal stenosis is a condition in which the external opening of the lacrimal canaliculus…
- Trial name
- NCT05028907
- Testing
- 5 mg chloramphenicol, 1 mg dexamethasone sodium phosphate, 0.25 mg tetryzoline hydrochloride, 2 mg Hydroxypropyl Methyl Cellulose, 10 mg α-tocopherol acetate and 8 mg macrogol 400)., sodium hyaluronate, polyethylene and propylene glycol based) three times daily for three months
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Sohag University
Aortic Stenosis
The Role of Myocardial Fibrosis in Patients With Aortic Stenosis
Aortic stenosis is the most common adult valvular heart disease in the western world. Heart failure and sudden cardiac death are complications associated with aortic stenosis.
- Trial name
- NCT01755936
- Testing
- Cardiac Magnetic Resonance Imaging, Echocardiography, 72 hour Holter Monitor
- Where
- United Kingdom
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
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
Aortic Stenosis Treated With TAVI
Zhicheng TAVR Robot
Use of the Transcatheter Aortic Valve Replacement Surgical Assist System and its Disposable Kit in Patients With Severe Aortic Stenosis to Evaluate the Safety and Efficacy of the Transcatheter Aortic Valve Replacement Surgical…
- Trial name
- NCT07392359
- Testing
- TAVR Assistance System, TAVR by manual
- Volunteers
- 158 people, healthy volunteers welcome
- Sponsor
- Zhicheng Medical Technology (Jiaxing) Co, Ltd
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
Coronary Artery Disease, Coronary Artery Stenosis Stent
Deep Learning CAD Screening on Chest CT
Coronary artery disease (CAD) is one of the leading causes of death worldwide. Many people have early atherosclerosis without symptoms, and some may develop significant coronary stenosis before any warning signs appear.
- Trial name
- CAD-AI (NCT07181512)
- Testing
- Deep Learning Analysis of Non-contrast Chest CT
- Where
- 2 sites in China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Yifan Guo
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS)
Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias
Human induced pluripotent stem cells (hiPSCs) have driven a paradigm shift in the modeling of human disease; the ability to reprogram patient-specific cells holds the promise of an enhanced understanding of disease mechanisms and…
- Conditions
- Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)
- Trial name
- NCT02413450
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Olfactory Impairment
Olfactory Cleft Stenosis and Obstruction on Paranasal Sinus CT Scan in Pre Septo Rhinoplasty Patients Without Respiratory Mucosa Pathology : Normal Variants or Pathologic Findings ?
This retrospective studed included patients referred to our institution between December 2013 and december 2021 for septoplasty or septorhinoplasty. All patients underwent pre operatory paranasal sinus CT scan and olfactory test.
- Trial name
- NCT06082193
- Where
- 2 sites in France
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Biliary Tract Diseases
Endoscopic Treatment of Benign Biliary Strictures and Cystic Duct Leakages With a Novel Biodegradable Biliary Stent
Patients with either post-cholecystectomy bile leak or benign biliary stricture are recruited for endoscopic insertion of a biodegradable biliary stent.
- Trial name
- NCT02353286
- Testing
- Endoscopic insertion of biodegradable biliary stent
- Where
- Finland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Tampere University Hospital
Rheumatic Heart Disease, Acute Rheumatic Fever
Rheumatic Heart Disease in Peru: Prevalence and Cardiovascular Outcomes Among Schoolchildren
Rheumatic heart disease remains a major challenge in low and middle income countries. Early detection of clinically silent valvular lesions by screening echocardiography allows timely implementation of secondary antibiotic…
- Trial name
- NCT02353663
- Testing
- Echocardiography
- Where
- 2 sites in Peru, Switzerland
- Volunteers
- 1,023 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Hypertrophic Cardiomyopathy
Assessment of Left Ventricular Torsion by Echocardiography Study
The purpose of this study is to learn about the twisting or wringing motion of the heartbeat called Left Ventricular Torsion (LV Torsion) which can be seen on ultrasound.
- Trial name
- LVTorsion (NCT00589836)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
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
Lumbar Spinal Stenosis
Gait Assessment in Lumbar Spinal Stenosis
Lumbar spinal stenosis (LSS) is a clinical condition in which the structures within the canal are compressed as a result of the narrowing of the lumbar spinal canal and nerve root canals, which is often caused by bones and soft…
- Trial name
- NCT06750055
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Pamukkale University
Noonan Syndrome, LEOPARD Syndrome
Hormonal Sensitivity in Patients With Noonan and LEOPARD Syndromes
Noonan and LEOPARD syndromes share, with variable severity, different clinical traits, notably craniofacial manifestations, cardiopathies, short stature, and juvenile cancers.
- Trial name
- NOLEO (NCT02486731)
- Where
- France
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Biliary Stricture
WallFlex Biliary Fully Covered (FC) Chronic Pancreatitis Study
The purpose of this of this study is to compare the use of Self Expanding Metal Stents (SEMS) to plastic stents for the treatment of benign biliary strictures secondary to chronic pancreatitis as it pertains to stricture…
- Trial name
- NCT01543256
- Testing
- WallFlex™ Biliary RX Fully Covered Stent System RMV, Commercially available Plastic Stent Per Investigator preference
- Where
- 14 sites in Australia, Austria and 9 more
- Volunteers
- 172 people, healthy volunteers welcome
- Sponsor
- Boston Scientific Corporation
Coronary Disease, Healthy
Study of Blood Flow in Heart Muscle
Blood flows to areas of the heart providing oxygen and fuel to the pumping muscle. Occasionally the arteries providing the fuel can become blocked. This occurs in coronary artery disease.
- Conditions
- Coronary Disease, Healthy, Hypertrophic Cardiomyopathy, Myocardial Ischemia
- Trial name
- NCT00001631
- Testing
- Magnetic resonance imaging
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Refractory Anastomotic Esophageal Strictures
WallFlex Esophageal Fully Covered (FC) Benign Anastomotic Stricture
The purpose of this of this study is to compare the safety and effectiveness of temporary indwell of the WallFlex Esophageal FC Metal Stent to Bougie Dilation for the treatment of refractory anastomotic esophageal strictures
- Trial name
- E7025 (NCT01699542)
- Testing
- WallFlex Esophageal RX Fully Covered Stent, Esophageal Bougie Dilator Per Investigator preference
- Where
- 4 sites in Brazil, Netherlands and 1 more
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Boston Scientific Corporation
Peripheral Artery Disease, Femoropopliteal Stenosis
Histological Segmentation of the Superficial Femoral Artery From Microscan to CT Using Artificial Intelligence
The femoropopliteal artery segment (FPAS) is one of the longest arteries in the human body, undergoing torsion, compression, flexion and extension due to lower limb movements.
- Trial name
- CTPred (NCT06260488)
- Testing
- Endovascular surgery
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Cerebral Hypoxia, Carotid Stenosis
The Effect of Hypoxic and Normoxic Cerebral Oximetry Levels on Cognitive Functions After Carotid Endarterectomy
In this study, we investigated the effect of the capacity to cope with oxidative stress (oxidative stress response during and after clamping) in individuals with cerebral oximetry level between 40- 60 % and above 60 % and their…
- Conditions
- Cerebral Hypoxia, Carotid Stenosis, Cognitive Dysfunction
- Trial name
- NCT05652426
- Where
- Turkey (Türkiye)
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Duzce University
Coronary Artery Stenosis
Breathing-Maneuver-Induced Myocardial Oxygenation Reserve Validated by FFR (B-MORE)
The study aims to determine a diagnostic marker for regionally impaired myocardial oxygenation response in patients with suspected coronary artery stenosis.
- Trial name
- B-MORE (NCT04126148)
- Where
- 8 sites in United States, Australia and 5 more
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Matthias Friedrich