Clinical trials: Constriction
Atherosclerosis and Calcific Aortic Stenosis with and Without Diabetes
Potential Role of Sirtuins As Epigenetic Biomarkers of the Patient with Atherosclerosis or Calcific Aortic Stenosis
The project aims to shed light on the role of Sirtuins, enzymes belonging to the third class of histone deacetylases (class III) involved in epigenetic modifications (deacetylation), focusing mainly on Sirtuin 6 (SIRT6), as a…
- Trial name
- NCT06337227
- Testing
- lncRNA signature analyses
- Where
- Italy
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- IRCCS SYNLAB SDN
CORONARY ARTERY DISEASE
Multisensor Array for the Localisation of Coronary Artery Stenosis (MALCAS)
This is a proof of concept study involving a novel medical device, developed to investigate the potential for detecting and localising coronary artery stenosis.
- Trial name
- MALCAS (NCT04647448)
- Testing
- Application of sensor patch
- Volunteers
- healthy volunteers welcome
- Sponsor
- Barts & The London NHS Trust
Williams Syndrome, Duplication
Defining the Brain Phenotype of Children With Williams Syndrome
Background: Little is known about how the brain changes during childhood and adolescence, how genes affect this process, or how the brains of people with 7q11.23 genetic variation change during this period.
- Trial name
- NCT01132885
- Where
- United States
- Volunteers
- 415 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Crohn Disease
Comparing Endoscopic Strictureplasty vs. Balloon Dilation in Crohn's Disease Strictures
Crohn's disease (CD) is an inflammatory bowel disease characterized by chronic ulcers, strictures, and penetrating lesions in the intestinal tract.
- Trial name
- ES vs BD in CD (NCT06203782)
- Testing
- endoscopic stricturoplasty, endoscopic balloon dilation
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
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
Aortic Stenosis, Gender
TAVI and Gender Outcomes Aortic Stenosis Undergoing Transfemoral Transcatheter Aortic Valve Implantation.
Severe aortic stenosis (AS) is the commonest form of valvular abnormality in the developed world and transcatheter aortic valve implantation (TAVI) is now widely practiced as in many cases is the preferred treatment option over…
- Conditions
- Aortic Stenosis, Gender, Surgery
- Trial name
- NCT04915976
- Volunteers
- 14,086 people, healthy volunteers welcome
- Sponsor
- Imperial College Healthcare NHS Trust
Aortic Stenosis
ECG-based AI Screening for Cases of Undiagnosed Moderate-to-Severe Aortic Stenosis in the Primary Care Setting
The goal of this observational study is to learn whether AccurKardia's AK-AVS algorithm can help identify moderate-to-severe aortic stenosis (AS), a narrowing of the heart's aortic valve, in older adults who have not yet been…
- Trial name
- NCT07827105
- Testing
- AK-AVS
- Where
- United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- AccurKardia, Inc.
Low Back Pain, Lumbosacral Radiculopathy
A Prospective Study to Compare Bupivacaine and Exparel Versus Bupivacaine or Exparel Alone for Postoperative Pain Relief
The purpose of this study is to collect information about how patients feel when doctors manage their pain after lumbar spine surgery using a combination of EXPAREL® and bupivacaine injected into the lumbar spine at the end of…
- Conditions
- Low Back Pain, Lumbosacral Radiculopathy, Lumbar Disc Degeneration, Lumbar Disc Herniation
- Trial name
- NCT03514277
- Testing
- Exparel, Bupivacaine
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Virtua Health, Inc.
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
Lumbosacral Spinal Stenosis
Irrigation Endoscopic Decompressive Laminotomy
The classic laminectomy for surgical treatment of spinal stenosis has considerable morbidity .This is further magnified by the disease being more common in elderly with associated medical comorbidities and being usually global…
- Trial name
- NCT01991912
- Testing
- open lumbar decompression
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Cairo University
Myocardial Deformation, Coronary Artery Anomaly
Correlation Between Myocardial Deformation and Coronary Artery Tortuosity in Patients With Hypertrophic Cardiomyopathy
Correlation between Myocardial Deformation and Coronary Tortuosity and Analysis of Genetic Factors Among Hypertrophic Cardiomyopathy Patients
- Conditions
- Myocardial Deformation, Coronary Artery Anomaly, Hypertrophic Cardiomyopathy, Genetic Mutation
- Trial name
- NCT04830787
- Testing
- no intervention
- Where
- China
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- Henan Provincial People's Hospital
Stenosis, Herniated Nucleus Pulposus
Impact of Local Steroid Application in Extreme Lateral Lumbar Interbody Fusion
Neural injury is a well-known complication following extreme lateral lumbar interbody fusion (XLIF). It has been found that up to 9.4% of patients will have either temporary or persistent neurologic deficit.
- Conditions
- Stenosis, Herniated Nucleus Pulposus, Degenerative Disc Disease, Spondylosis
- Trial name
- NCT03327272
- Testing
- Methylprednisolone, Saline
- Where
- United States
- 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
Pregnancy Complications
Increase of Prostaglandin E2 in Reversal of Ductal Constriction After Dietary Restriction of Polyphenols
INCREASE OF PROSTAGLANDIN E2 IN REVERSAL OF DUCTAL CONSTRICTION AFTER DIETARY RESTRICTION OF POLYPHENOLS. Clinical trial with a healthy group as comparator.
- Trial name
- NCT03111602
- Testing
- restrict polyphenol-rich foods
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Instituto de Cardiologia do Rio Grande do Sul
Infarction, Stroke
Polymorphisms in the Vitamin D System and Health
Polymorphisms in the vitamin D system appear to affect the serum 25(OH)D levels. If so one would expect these polymorphisms to be associated with vitamin D related conditions and diseases, which will be tested in the present…
- Conditions
- Infarction, Stroke, Diabetes, Fracture
- Trial name
- NCT01395303
- Where
- Norway
- Volunteers
- 9,700 people, healthy volunteers welcome
- Sponsor
- University of Tromso
Jugular Vein Anomaly (Disorder), Diagnostic Self Evaluation
Evaluation Criteria, Diagnostic Criteria, Surgical Indications, and Establishment of Surgical Standards for "Cerebral Tinnitus Syndrome" Caused by Internal Jugular Vein Stenosis.
"Cerebral Tinnitus," also known as "cranial tinnitus," refers to the patient-reported perception of intracranial sounds. It often presents as "Cerebral Tinnitus Syndrome," which includes symptoms such as tinnitus with hearing…
- Conditions
- Jugular Vein Anomaly (Disorder), Diagnostic Self Evaluation, Nerosurgery, Assessment, Self
- Trial name
- NCT07560280
- Testing
- Atlas Transverse Process Mastoidectomy with Lysis and Perfusion
- Where
- China
- Volunteers
- 369 people, healthy volunteers welcome
- Sponsor
- Beijing Shijitan Hospital, Capital Medical University
Carotid Artery Stenosis
Improved Image Quality for Assessment of Carotid Artery Stenosis by Ultrafast Ultrasound FLOW Imaging
Objective: To evaluate the technical performance of a novel cascaded wave imaging technique compared to plane wave imaging for blood flow imaging in patients with and without carotid artery stenosis.
- Trial name
- CAS-iFLOW (NCT06170580)
- Testing
- Conventional duplex, Ultrasound-based flow imaging using plane wave imaging, Ultrasound-based flow imaging using cascaded wave imaging
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Cardiomyopathy, Hypertrophic
The Chinese Hypertrophic Cardiomyopathy Study(CHCS)
Hypertrophic cardiomyopathy (HCM) is one of the most common inherited cardiac diseases, with a prevalence of ∼0.2%. Sudden cardiac death (SCD), heart failure and stroke are the major poor outcomes of HCM.
- Trial name
- CHCS (NCT02696135)
- Where
- China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- China National Center for Cardiovascular Diseases
Ankle Osteoarthritis, Knee Osteoarthritis
Gait Asymmetry Assessed Using Portable Gait Analysis System
To date, detailed analysis of movement patterns in orthopaedic conditions are mainly performed in research projects. Because these tests are time consuming, they are not feasible in clinical routine or in standard examinations.
- Conditions
- Ankle Osteoarthritis, Knee Osteoarthritis, Hip Osteoarthritis, Lumbar Spine Stenosis
- Trial name
- Asymmetry (NCT02489188)
- Testing
- arthroplasty, manual therapy, lumbar spinal stenosis decompression
- Where
- Switzerland
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Carotid Stenosis
Alternative Sensory Presentation Formats in Asymptomatic Carotid Stenosis
Background: In a previous study, information verbally presented as relative risk (e.g. "50% less likely") or qualitative risk (e.g.
- Trial name
- NCT01531868
- Testing
- Video
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rhode Island Hospital