Clinical trials: Ectasia
Cardiovascular Risk Factor
Short Term Ketone Supplementation and Cardiometabolic Health
The purpose of this research study is to determine if short-term consumption of a dietary ketone drink, which increases the blood circulation concentrations of beta-hydroxybutyrate, a ketone, affects blood vessel health and…
- Trial name
- NCT04236388
- Testing
- Ketone drink
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Virginia Polytechnic Institute and State University
Metabolic Syndrome X, Infertility
Female Subfertility: a Metabolic and Vascular Profile
Introduction: Overall, 10 - 15% of couples seek specialist help once in their lives when a spontaneous pregnancy does not occur.
- Trial name
- NCT02136472
- Where
- Netherlands
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Atherosclerosis, Coronary
Air Pollution (PM2.5) on Accelerated Atherosclerosis: A Montelukast Interventional Study in Modernizing China
Background: Longterm exposure to air pollution has been associated with cardiovascular events and mortality on top of traditional risk factors. Pulmonary inflammation and oxidative stress have been implicated.
- Trial name
- NCT04762472
- Testing
- Montelukast Oral Tablet
- Where
- Hong Kong
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Vascular Stiffness, Endothelial Dysfunction
Targeting Inflammation to Treat Cardiovascular Aging
Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the United States with older age being a primary risk factor.
- Conditions
- Vascular Stiffness, Endothelial Dysfunction, Diastolic Dysfunction
- Trial name
- TIVA (NCT01775865)
- Testing
- Salsalate
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce
Second Trimester Abortion
Laminaria Compared to Dilapan-S for Cervical Preparation Before Dilation and Evacuation at 18-24 Weeks of Gestation
Primary objective: To study the difference in dilation and evacuation (D\&E) procedure time following overnight cervical preparation with laminaria or Dilapan-S™.
- Trial name
- NCT02033083
- Testing
- Laminaria, Dilapan-S
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Planned Parenthood of Greater New York
Healthy Conditions
Role of Endothelin-1 in Flow-mediated Dilatation
Endothelial dysfunction of conduit arteries contributes to the increased morbidity and cardiovascular mortality in patients with essential hypertension and appears increasingly as an independent therapeutic target.
- Trial name
- Endothelin (NCT02086253)
- Testing
- BQ-788 and/or BQ-123
- Where
- France
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University Hospital, Rouen
Endothelial Dysfunction
Effect of Different Methodologies on Variability of Brachial Artery Flow Mediated Dilation
Flow mediated dilation (FMD) of the brachial artery has been widely used as a non-invasive measure of endothelial function. FMD independently predicts future cardiovascular events and can be readily influenced by pharmacological…
- Trial name
- NCT01899937
- Where
- 4 sites in Italy, Netherlands
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Chronic Obstructive Pulmonary Disease, Endothelial Dysfunction
Endothelial Dysfunction and Chronic Obstructive Pulmonary Disease
The purpose of this study is to investigate the role of endothelial dysfunction in chronic obstructive pulmonary disease.
- Trial name
- NCT02092675
- Where
- Croatia
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Andrea Vukic Dugac
Ectasia
Eye Rubbing and Transient Change in Corneal Parameters
This study addresses the research question: How does eye rubbing affect corneal (clear part of eye) parameters in healthy volunteers The study objectives are: 1. To determine the corneal changes following eye rubbing 2.
- Trial name
- NCT02131740
- Testing
- Eye rubbing, No eye rubbing
- Where
- United Kingdom
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Sussex Eye Hospital
Insulin Resistance, Endothelial Dysfunction
Effect of Continuous GHRP-3 Infusion at on GH-IGF-I System, Blood Pressure, Glucose, and Insulin Resistance
The hypothesis is that GHRP-3 will exert beneficial effects on endothelial function and insulin resistance in older men and women via hormonal (GH, IGF-I, IGFBP-3,-1, insulin) and non-hormonal actions (anti-inflammatory).
- Trial name
- NCT00846872
- Testing
- GHRP-3 low dose, GHRP-3 high dose, Saline
- Volunteers
- healthy volunteers welcome
- Sponsor
- Tulane University Health Sciences Center
Healthy Subjects
Endothelial Dysfunction Induced by Postprandial Lipemia
Postprandial lipemia and exercise oppose each other in terms of cardiovascular risk, however the mechanism of their interaction is not well understood.
- Trial name
- NCT00660491
- Testing
- exercise training
- Where
- Norway
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Horner Syndrome
Exploration of Pupil Dilation in Horner's Patients Taking Flomax
This study is evaluating the pupil dilation of Horner's Patients who have ever taken an alpha blocker such as Tamsulosin. Patients will undergo eye dilation as would occur at a yearly eye examination, but their pupil dilation…
- Trial name
- NCT03615508
- Testing
- 10% phenylephrine
- Where
- 2 sites in United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Denver Health and Hospital Authority
Colorectal Surgery
Comparision of Air Versus CO2 for Distention During Sigmoidoscopy
Intra-operative colonoscopy (inserting a flexible endoscope with a camera at its tip through the anus and up into the rectum and colon) is most often indicated to locate or verify the location of small cancer, polyp, bleeding…
- Trial name
- NCT00771290
- Testing
- Air insufflation with standard endoscopy unit, CO2 insufflation for colonoscopy (special CO2 insufflation unit)
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Columbia University
Corneal Ectasia
Corneal Topographic Changes in Different Grades of OSA
Corneal topographic parameters in different degrees of obstructive sleep apnea
- Trial name
- NCT06347900
- Testing
- Pentacam (corneal topographic changes detection), Polysymnography
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sohag University
Irritable Bowel Syndrome, Dyspepsia
Visible Abdominal Distension
Background. Abdominal distention is produced by an abnormal somatic postural tone. The authors developed an original biofeedback technique.
- Conditions
- Irritable Bowel Syndrome, Dyspepsia, Functional Bloating
- Trial name
- NCT06369753
- Testing
- Biofeedback
- Where
- 7 sites in United States, Canada and 5 more
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Dyslipidemia
Study of Trilipix Effects on Lipids and Arteries
Fibrates reduce atherosclerosis and cardiovascular disease events. A major mechanism of this benefit appears to be their ability to raise plasma high density lipoprotein cholesterol (HDL-C), especially in patients with high…
- Trial name
- NCT01025492
- Testing
- Trilipix
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Utah
Assessment, Self, Simulation-Based Education
Brief Title: Portable 3D Visual Material-Supported Simulation Training for Cervical Dilation Assessment
This randomized controlled trial aimed to evaluate the effectiveness of simulation-based education supported by a portable and mobile three-dimensional (3D) visual material on university students' knowledge of cervical dilation…
- Trial name
- NCT07705503
- Testing
- Portable 3D Visual Material-Supported Simulation Training, Standard Education
- Where
- Turkey (Türkiye)
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Marmara University
Ectasia, Coronary Artery Disease
Coronary Artery Ectasia in Elective Coronary Angiography : Predictors, Outcomes and Management
Coronary artery ectasia (CAE) is the diffuse dilatation of coronary artery. It is defined as a dilatation with a diameter of 1.5 times the adjacent normal coronary artery .
- Trial name
- NCT03896321
- Testing
- Antiplatelet Agents, Anticoagulants
- Where
- Egypt
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Assiut University
Keratoconus
INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia
To join established study put on by Addition Technologies, Inc. in the surgical implantation of asymmetrical INTACS segments to treat myopia and astigmatism in patients with keratoconus.
- Trial name
- INTACS (NCT02512432)
- Testing
- INTACS
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Obesity
Peripheral Vasodilation in Obese Humans
The growing population of obese adults is predicted to create a large public health burden in the next few decades. This study examines function of small blood vessels providing blood flow to skeletal muscles, to test if younger…
- Trial name
- ObeseDilate (NCT02833207)
- Testing
- Drug Trial 1 (EDD), Drug Trial 2 (ROV)
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison