Clinical trials: Stricture
Tracheal Stenosis
Airway Management During Unusual Tracheal Stenosis
Tracheal stenosis is a serious complication following prolonged intubation. There are important differences in the challenges of airway management.
- Trial name
- NCT05317923
- Testing
- Flow Controlled Ventilation
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Aortic Stenosis
Role of Active Valvular Calcification and Inflammation in Patients With Aortic Stenosis
The aortic valve is the main outlet valve from the heart. This valve can become diseased and narrowed when it needs to be replaced with an artificial valve.
- Trial name
- NCT01358513
- Where
- United Kingdom
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Mitral Valve Stenosis
Ventricular-arterial Coupling of the Heart Among Patients With Mitral Stenosis Undergoing Percutaneous Trans-luminal Mitral Commissurotomy. Cardiac Magnetic Resonance Study
Although the incidence of rheumatic fever and its complications has declined in developed countries, the disease remains a major health problem in many developing countries.
- Trial name
- NCT06054568
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Assiut University
Epiphora
Placement of Three Interrupted Sutures After Triangular Three-snip Punctoplasty
a prospective randomized study conducted upon 40 eyes of 24 patients with lower punctual stenosis (grade 1 or 2 according to Kashkouli scale) attending at Menoufia University hospitals and Kafr Elsheikh ophthalmic eye center.
- Trial name
- NCT04680078
- Testing
- Placement of three interrupted sutures after Triangular Three-snip Punctoplasty of the lower punctum, Conventional Triangular Three-snip Punctoplasty of the lower punctum
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Lumbar Spondylolisthesis Involving L4-L5
Survivorship of Decompression Alone Vs Decomp With Fusion in DLS and LCS
There has been a long-standing controversy on the operative treatment of Degenerative Lumbar Spondylolisthesis (DLS) with Lumbar Canal Stenosis (LCS), especially whether the addition of fusion to decompression is necessary.
- Trial name
- NCT05386381
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Robert Jones and Agnes Hunt Orthopaedic and District NHS Trust
Spinal Stenosis Lumbar, Lumbar Disc Herniation
Cortical Bone Trajectory Screws vs. Traditional Pedicle Screws Fixation
Transforaminal lumbar interbody fusion (TLIF) had been favorable for effectively decrease pain and disability in specific spinal disorders; however, there has been concern regarding pedicle screw placement during TLIF surgery.
- Conditions
- Spinal Stenosis Lumbar, Lumbar Disc Herniation, Intervertebral Disc Degeneration
- Trial name
- NCT03105167
- Testing
- cortical bone trajectory screws, pedicle screws
- Where
- China
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical 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
Aortic Geometry, Vascular Remodeling
Impact of Aortic Geometry on Vascular Remodeling After Stent Implantation in Coarctation of the Aorta
This study aims to assess: 1. Aortic geometrical changes and their relationship to hypertension and cardiovascular events. 2. Aortic geometrical differences between healthy individuals and patients with repaired coarctation of…
- Conditions
- Aortic Geometry, Vascular Remodeling, Coarctation of Aorta, Blood Pressure
- Trial name
- NCT07131111
- Testing
- CT aortography, CMR
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assiut University
Ischemic Stroke, Carotid Stenosis
Extracranial Carotid & Intracranial Arterial Stenosis in Ischemic Stroke
The aim of the work is to; elucidate how the presence of carotid stenosis influence the pattern of stroke and also how it interact with other risk factors for stroke.
- Trial name
- NCT04162587
- Testing
- Carotid duplex+/- MRA neck, brain MRA+/-CT angio on carotid and brain, MRI brain
- Where
- Egypt
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mansoura University Hospital
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
Lumbar Spinal Stenosis, Lumbar Disc Herniation
Clinical Effect of Preventive Use of Tylenol on Fever After Removal of Drainage Tube in Lumbar Fusion Surgery
This study evaluates the influence of Non-steroidal Anti-inflammatory Drugs on preventing fever after the removal of drainage tube in the patients who suffered lumbar fusion surgery, if the outcome turn out positive, the…
- Conditions
- Lumbar Spinal Stenosis, Lumbar Disc Herniation, Lumbar Radiculopathy
- Trial name
- NCT04042948
- Testing
- Tylenol
- Where
- China
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Primary Hypertension, Secondary Hypertension
HaemoDYNAMICs in Primary and Secondary Hypertension
The primary aim of the present study was to examine the haemodynamic changes in primary hypertension and secondary hypertension (renal diseases, endocrine diseases, obesity-associated hypertension) with a non-invasive…
- Conditions
- Primary Hypertension, Secondary Hypertension, Aortic Stenosis, Renal Insufficiency
- Trial name
- DYNAMIC (NCT01742702)
- Testing
- Nitroglycerin 0.25 mg (single dose, no longer given since January 2017), Salbutamol 400 µg (single dose, no longer given since January 2017), L-arginine (10 min infusion, no longer given since January 2017)
- Where
- 2 sites in Finland
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Tampere University
Carotid Artery Plaque, Carotid Web
Atherosclerotic Plaque Characteristics Associated With a Progression Rate of the Plaque in Carotids and a Risk of Stroke
Atherosclerosis is the most common cause of stroke. The aims of the project are to compare the visual and digital analysis of sonographic images of atherosclerotic plaque in carotids in vivo, in vitro and with a histological…
- Trial name
- ANTIQUE (NCT02360137)
- Where
- Czechia
- Volunteers
- 1,863 people, healthy volunteers welcome
- Sponsor
- University Hospital Ostrava
Myocardial Infarction, Myocardial Ischemia
18F-fluorocholine PET-MR Imaging of Coronary Plaque Vulnerability
This study is designed as a prospective observational feasibility study. The investigators will study whether vulnerable plaques on OCT (fibrous cap ≤ 70 μm) show a locally increased uptake of 18F-choline on PET-MRI compared to…
- Conditions
- Myocardial Infarction, Myocardial Ischemia, Atherosclerosis, Coronary Artery Disease
- Trial name
- NCT03252990
- Testing
- PET-MRI, Optical Coherence Tomography
- Where
- Netherlands
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Radiculopathy, Central Spinal Stenosis
The Efficacy of Continuous Cold-Therapy on Postoperative Pain and Narcotics Use Following Spinal Fusion
Patient outcomes and satisfaction are an ever-increasing priority in surgical specialties. Cryotherapy has been utilized following spine surgery as an adjunct therapy to reduce postoperative inflammation and improve patient…
- Conditions
- Radiculopathy, Central Spinal Stenosis, Foraminal Stenosis, Herniated Nucleus Pulposus
- Trial name
- NCT03640338
- Testing
- Cold-Therapy System
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Large Artery Stiffness, Aortic Disease
Phenotyping Heterogeneity and Regionality of the Aorta
The aorta distributes cardiac stroke volume into the whole body through its finetuned conductance function, that is propagation and modulation of flow pattern.
- Conditions
- Large Artery Stiffness, Aortic Disease, Aortic Stenosis, Aortic Aneurysm
- Trial name
- PHaRAo (NCT05603520)
- Testing
- Collection of Clinical Data
- Where
- Germany
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Cannabis Users
Intracranial Arterial Stenosis and Resin of Cannabis Use
There is an association between intracranial arterial stenosis and ischemic stroke in young adults. The aim of this study is to evaluate the prevalence of intracranial arterial stenosis in asymptomatic regular resin of cannabis…
- Trial name
- NCT02246140
- Testing
- Cerebral MRI and MRA
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Dilated Cardiomyopathy, Hypertrophic Cardiomyopathy
An Integrative-"Omics" Study of Cardiomyopathy Patients for Diagnosis and Prognosis in China
This is a multi-omics research of Chinese cardiomyopathies patients, aiming to determine genetic risk factor and serial biomarkers of cardiomyopathies in diagnosis and prognosis.
- Conditions
- Dilated Cardiomyopathy, Hypertrophic Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy, Left Ventricular Non-compaction
- Trial name
- AOCC (NCT03076580)
- Where
- 3 sites in China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Beijing Institute of Heart, Lung and Blood Vessel Diseases
Arterial Hypertension, Chronic Kidney Disease, Primary Aldosteronism
Kidney Stiffness Measured by Ultrasound in Patients With High Blood Pressure and Healthy Volunteers
High blood pressure (hypertension) is a leading cause of kidney damage, but detecting early kidney changes remains challenging with currently available tools.
- Conditions
- Arterial Hypertension, Chronic Kidney Disease, Primary Aldosteronism, Arterial Stenosis
- Trial name
- K-STRESS (NCT07914075)
- Where
- Italy
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliera di Padova
Aortic Valve Disorder
Combined Transcatheter Aortic Valve Implantation and Percutaneous Closure of the Left Atrial Appendage
Atrial fibrillation (AF) is a common comorbidity of patients candidates to transcatheter aortic valve implantation (TAVI). The management of chronic oral anticoagulation (OAC) for the prevention of ischemic stroke is very…
- Trial name
- TAVI-LAAC (NCT02678871)
- Testing
- Lotus or ACURATE neo Heart valve system (or subsequent CE marked iterations), WATCHMAN
- Where
- 6 sites in Germany, Italy and 2 more
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern