Clinical trials: Stricture
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
Degenerative Disc Disease, Degenerative Spondylolisthesis
The Five-repetition Sit-to-stand Test for Lower Back Pain or Radiculopathy
The five-repetition sit-to-stand test (5R-STS) has been used in many medical disciplines, but has never been correlated with or validated in regard to degenerative spinal diseases.
- Conditions
- Degenerative Disc Disease, Degenerative Spondylolisthesis, Herniated Disc, Stenosis, Spinal
- Trial name
- 5R-STS (NCT03303300)
- Where
- Netherlands
- Volunteers
- 237 people, healthy volunteers welcome
- Sponsor
- Marc Schröder
Tetralogy of Fallot With Pulmonary Stenosis, Heart Failure
Quantifying New Heart Muscle Cells
Regenerative therapies could provide new ways of treating heart failure. Unlike many organs in the human body, such as the skin and the GI tract, the ability to regenerate heart muscle decreases after birth, but the precise…
- Trial name
- NCT06587165
- Testing
- N15-thymidine
- Where
- 4 sites in United States
- Volunteers
- 30 people
- Sponsor
- Weill Medical College of Cornell University
Atherosclerosis
Natural History of Atherosclerosis
20 patients will be recruited. The aim of the study is to determine the natural progression of atherosclerotic disease.
- Trial name
- NCT00918541
- Where
- 3 sites in Switzerland
- Volunteers
- 30 people
- Sponsor
- University of Zurich
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
Meatal Stenosis
Steroid Treatment for Meatal Stenosis
The goal of this observational study is to learn about the efficacy of topical steroid treatment for meatal stenosis. The main question it aims to answer is: Is steroid therapy effective for treatment of meatal stenosis?…
- Trial name
- NCT06834698
- Testing
- Betamethasone Cream, meatotomy
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people
- Sponsor
- Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital
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
Aortic Stenosis, Severe
ALLIANCE: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve
The objective of this study is to establish the safety and effectiveness of the Edwards SAPIEN X4/X4S Transcatheter Heart Valve (THV) in subjects with symptomatic, severe, calcific aortic stenosis (AS).
- Trial name
- NCT05172960
- Testing
- SAPIEN X4 THV, SAPIEN X4S
- Where
- 65 sites in United States, Australia and 2 more
- Volunteers
- 1,234 people
- Sponsor
- Edwards Lifesciences
Spinal Stenosis
The Coflex®COMMUNITY Study: An Observational Study of Coflex® Interlaminar Technology
The purpose of the coflexCOMMUNITY observational study is to collect information on patients with spinal stenosis undergoing back surgery with the coflex® implant, and to look at their outcomes and the cost-effectiveness of this…
- Trial name
- NCT02457468
- Testing
- coflex
- Where
- 28 sites in United States
- Volunteers
- 325 people
- Sponsor
- Predicted, Reported and Observed Outcomes Foundation
Aortic Valve Stenosis, AV Block
Edwards SAPIEN 3 PPI Registry
There are patient related risk factors for PPI that can be identified and assessed in retrospective pooling of 1000+ TAVI patient datasets.
- Conditions
- Aortic Valve Stenosis, AV Block, Bundle-Branch Block
- Trial name
- Conduct (NCT03497611)
- Testing
- transcatheter valve implantation
- Where
- 4 sites in Germany
- Volunteers
- 1,000 people
- Sponsor
- Institut für Pharmakologie und Präventive Medizin
Foreign Bodies, Tumor
The Effects of High-flow Nasal Oxygen on Oxygenation During Rigid Bronchoscopy Under General Anesthesia in Pediatric Patients
The aim of this study is to evaluate the effect of high-flow nasal cannula oxygen administration on maintenance of oxygenation and removal of carbon dioxide during apnoeic period in pediatric patients undergoing general…
- Conditions
- Foreign Bodies, Tumor, Stenosis of Trachea, Bronchus
- Trial name
- NCT03905733
- Testing
- Optiflow
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Yonsei University
Heart Diseases, Mitral Valve Stenosis
Balloon Valvuloplasty Registry
To establish a registry in order to collect and analyze baseline and outcome data on patients with severe valvular stenosis treated with balloon valvuloplasty.
- Conditions
- Heart Diseases, Mitral Valve Stenosis, Aortic Valve Stenosis
- Trial name
- NCT00005199
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Aortic Stenosis
PERIGON Japan Trial
The purpose of this study is to evaluate the safety and effectiveness of the 17mm MDT-2215 aortic valve bioprosthesis.
- Trial name
- NCT02686814
- Testing
- 17mm MDT-2215 aortic valve bioprosthesis
- Where
- 10 sites in Japan
- Volunteers
- 25 people
- Sponsor
- Medtronic Cardiac Surgery
Coarctation of the Aorta, Pulmonary Artery Stenosis
Growth Trial: Study of the Renata Minima Stent
The objective of the clinical investigation is to access clinical safety and effectiveness of the Minima Stent in neonates, infants, and young children requiring intervention for common congenital vascular stenosis (i.e.…
- Trial name
- NCT05086016
- Testing
- Catheterized Stenting
- Where
- 7 sites in United States
- Volunteers
- 42 people
- Sponsor
- Renata Medical
Aortic Stenosis, Gut Microbiome
Impact of Transcatheter Aortic Valve Implantation (TAVI) on the Gut Microbiota in Patients With Aortic Valve Stenosis
This study investigates the impact of transcatheter aortic valve implantation (TAVI) on the composition and function of the gut microbiota in patients with severe aortic valve stenosis.
- Conditions
- Aortic Stenosis, Gut Microbiome, Gut Microbiota, TAVI
- Trial name
- GUT-TAVI (NCT07052071)
- Testing
- TAVI
- Where
- Greece
- Volunteers
- 40 people
- Sponsor
- Hippocration General Hospital
Aortic Valve Stenosis, Aortic Stenosis
Left Ventricular Reverse Remodeling In Aortic Valve Replacement With Single Strip Pericardium Versus Mechanical Valve
Aortic stenosis is a commonly found heart disease, which often leads to mortality and morbidity. Valve replacement using mechanical prosthetic valve will have an expensive cost especially in the Integrated Heart Center of Cipto…
- Conditions
- Aortic Valve Stenosis, Aortic Stenosis, Valve Stenoses, Aortic, Aortic Valve Calcification
- Trial name
- NCT04056832
- Testing
- Single Strip Pericardium, Mechanical Prosthetic Valve
- Where
- Indonesia
- Volunteers
- 62 people
- Sponsor
- Fakultas Kedokteran Universitas Indonesia
Eosinophilic Esophagitis, EoE
Dupilumab for Eosinophilic Esophagitis With Severe Strictures
The purpose of this research study is to determine how well an FDA-approved drug, dupilumab, works to treat patients with severe strictures and active Eosinophilic Esophagitis (EoE).
- Trial name
- DESTRICT (NCT06352073)
- Testing
- Dupilumab
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- University of North Carolina, Chapel Hill
Aortic Stenosis
Strategies to Prevent Transcatheter Heart Valve Dysfunction in Low Risk Transcatheter Aortic Valve Replacement
100 subjects in the each of the treatment arms of the study (total 200 treatment arm subjects) and up to 100 subjects in the registry arm of the study.
- Trial name
- NCT03557242
- Testing
- TAVR, Warfarin plus Aspirin, Aspirin Only
- Where
- 7 sites in United States
- Volunteers
- 124 people
- Sponsor
- Medstar Health Research Institute
Hypospadias Repair
Hemostasis During Hypospadias Surgery
A comparison between the two hemostatic methods of hypospadias repairing operation, in terms of early and mid-term (up to 6 months) failure rate (wound dehiscence and urethral stricture needing reoperation) between the two…
- Trial name
- NCT02268019
- Testing
- tourniquet application, epinephrine injection
- Where
- Iran
- Volunteers
- 70 people
- Sponsor
- Isfahan University of Medical Sciences
Carotid Artery Stenosis
Enterprise Stent Implantation in the Treatment of Carotid Artery Stenosis With Ischemic Stroke
To investigate the long-term effects of intracranial implantation of Enterprise stent system versus antiplatelet medication on neurologic deficits, daily living abilities, and carotid artery stenosis in patients with…
- Trial name
- NCT02802072
- Testing
- Enterprise stent implantation, Only aspirin medication
- Volunteers
- 100 people
- Sponsor
- Beijing Chao Yang Hospital