Clinical trials: Dilation
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
Keratoconus
Treatment of Keratoconus Using Collagen Cross-Linking
The purpose of this study is to determine the effectiveness of collagen cross-linking in the cornea in halting the progression and possibly partially reversing the effects of keratoconus.
- Trial name
- NCT00841386
- Testing
- Riboflavin-5-phosphate
- Where
- 2 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University at Buffalo
Mydriasis
Study of the Safety, Efficacy and PK of EYN-1601 in Dilation of the Pupil
This is a Phase 2 study to investigate the safety, efficacy and pharmacokinetics of EYN-1601 for dilation of the pupil. A single microdose of EYN-1601 will be compared to single doses of commercially available phenylephrine…
- Trial name
- NCT02946125
- Testing
- MDD-administered EYN-1601, Phenylephrine 2.5% Eyedrop, Phenylephrine 10% Eyedrop
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Eyenovia Inc.
Dilated Cardiomyopathy
Reverse Remodelling and Remission Markers in the Serial Evaluation of Recent-onset Dilated Cardiomyopathy
Approximately 30-40% of patients with non-ischaemic dilated cardiomyopathy (DCM) undergo significant left ventricular reverse remodelling in response to guideline-directed therapies.
- Trial name
- REMIT-DCM (NCT04957147)
- Testing
- 12 months of guideline-directed heart failure therapy
- Where
- United Kingdom
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Aging, Vascular Stiffness
Acetate and Age-associated Arterial Dysfunction
Cardiovascular diseases are the leading cause of morbidity and mortality and contribute most to healthcare costs in the U.S. Age is the strongest cardiovascular disease risk factor, with >90% of all deaths from cardiovascular…
- Conditions
- Aging, Vascular Stiffness, Vascular Dilation
- Trial name
- NCT05424263
- Testing
- Calcium Acetate Oral Solution, Calcium Carbonate Oral Suspension
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cardiovascular Diseases
Cardiovascular Benefits of Acai Polyphenols in Volunteers at Risk of Metabolic Syndrome
The purpose of this study is to carry out a randomized double blind controlled trial in 30 male subjects to investigate the effect of acai consumption on acute changes in vascular function, and to other cardiovascular markers.
- Trial name
- AF1 (NCT02292329)
- Testing
- Acai puree, frozen blended it with banana, Control Macronutrient matched
- Where
- United Kingdom
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Reading
New Phenotype (Combining Premature White Hair, Polycystic Kidney Disease, Aortic Dilation/Dissection and Lymphopenia)
Research Into the Molecular Bases of a New Phenotype Combining Premature White Hair, Polycystic Kidney Disease, Aortic Dilation/Dissection and Lymphopenia
This study involves a single family, including 1 patient, father, mother and sister. The patient presented with a new phenotype associating premature white hair, renal polycystosis, aortic dilation/dissection and lymphopenia.
- Trial name
- BCL-2 (NCT03651388)
- Where
- France
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Hemorrhage
Uterotonic Prophylaxis Trial
Excessive bleeding after dilation and evacuation (D\&E) requiring interventions is common, occurring in approximately 30% of cases at one large abortion-providing clinic.
- Trial name
- UPT (NCT02408965)
- Testing
- Methergine
- Where
- United States
- Volunteers
- 284 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Heart Failure, Left Ventrikular Remodelling
Apical Compression Stitch - a New Option for LV Remodelling
The current study analyses the LV geometry of failing LVs measured by MRI scanning with respect to systolic versus diastolic function.
- Conditions
- Heart Failure, Left Ventrikular Remodelling, Left Ventricular Geometry
- Trial name
- NCT00428467
- Testing
- LV Apex Compression
- Volunteers
- healthy volunteers welcome
- Sponsor
- Johann Wolfgang Goethe University Hospital
Healthy
Trial to Assess the Effects of Different Trans-fatty Acids on Endothelial Function in Humans
The aim of the study is to compare a diet rich in trans fatty acids (TFA) from ruminant sources with a diet rich in TFA from hydrogenated vegetable oils (PHVO) in regard to their effects on cardiovascular risk markers…
- Trial name
- NCT00933322
- Testing
- diet enriched with industrial trans fatty acids, diet enriched with ruminant trans fatty acids, diet without any trans fatty acids
- Where
- Switzerland
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic
Association of Insulin Resistance and FGF21 on Cardiac Function in Pediatric Dilated Cardiomyopathy
This study will investigate whether there is an association between insulin resistance and cardiac function in children with dilated or hypertrophic cardiomyopathy.
- Conditions
- Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic, Insulin Resistance
- Trial name
- NCT04222101
- Testing
- Oral glucose tolerance test
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Le Bonheur Children's Hospital
Adverse Childhood Experiences, Vascular Dilatation
The Iowa ACEs and Sleep Cohort and Manipulating Sleep in Young Adults With ACEs Studies
The overall purpose of this study is to understand the role of disrupted sleep in the association of exposure to early life adversity (adverse childhood experiences (ACEs)) with vascular endothelial (dys)function.
- Conditions
- Adverse Childhood Experiences, Vascular Dilatation, Sleep, Sleep Disturbance
- Trial name
- NCT06454344
- Testing
- Cognitive Behavioral Therapy for Insomnia (CBT-i)
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Smoking Cessation, Brachial Flow Mediated Dilatation
Smoking Cessation in a Cohort HIV+ Rio de Janeiro, Brazil.
The study was carried out within a large, urban prospective cohort of PLHIV at the Instituto Nacional de Infectologia Evandro Chagas (INI).
- Conditions
- Smoking Cessation, Brachial Flow Mediated Dilatation, Nicotine Replacement Therapy
- Trial name
- NCT05873738
- Testing
- Nicotine replacement
- Where
- Brazil
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Instituto Fernandes Figueira
Cardiomyopathy, Dilated, Prognosis
Cardiac Magnetic Resonance-Clinical Prediction Model-Dilated Cardiomyopathy
Dilated cardiomyopathy (DCM) is a common and serious heart disease characterized by left ventricular enlargement and impaired pumping function, with adverse prognosis (including heart failure, arrhythmia, heart-related…
- Conditions
- Cardiomyopathy, Dilated, Prognosis, Magnetic Resonance Imaging, Cardiac, Death, Sudden, Cardiac
- Trial name
- MPS-CMR-DCM (NCT07527715)
- Testing
- left ventricular ejection fraction
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Shandong Provincial Hospital
Ischemic Cardiomyopathy, Dilated Cardiomyopathy
Manganese-Enhanced Magnetic Resonance Imaging of the Myocardium
Scanning the heart using magnetic resonance imaging (MRI) enables detailed assessment of its structure and function. MRI can give more detailed information about the heart by using a contrast 'dye' that is injected into a vein…
- Conditions
- Ischemic Cardiomyopathy, Dilated Cardiomyopathy, Hypertrophic Cardiomyopathy
- Trial name
- NCT03607669
- Testing
- Mangafodipir trisodium
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Congenital Heart Disease, Bicuspid Aortic Valve
Abnormal 3-D MRI Flow Patterns in Adolescents Patients With Bicuspid Aortic Valve
Bicuspid aortic valve (BAV) is a form of congenital heart disease (the person is born with it). With BAV, the heart valves in the aorta (the blood vessel that takes blood away from the heart to the body) are not formed right.
- Trial name
- NCT00412386
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Emory University
Cardiovascular Diseases, Endothelial Dysfunction
Effect of Polyphenol Extract on Cardiovascular Health Markers: a 4 Way Randomised Crossover Study
Endothelial dysfunction is an early predictor of cardiovascular events in at-risk patients. It is characterized by impaired endothelium-dependent dilation and is primarily caused by reduced nitric oxide bioavailability secondary…
- Conditions
- Cardiovascular Diseases, Endothelial Dysfunction, Blood Pressure
- Trial name
- Activ Acute (NCT05220059)
- Testing
- Polyphenol extract
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Coronary Artery Disease
WEDGES: Coronary Lesion Preparation With Enhanced Dilatation for Good Expansion of Stent: Assessment of a New Scoring Balloon by Quantitative Stent Enhanced Visualization
Stent under-expansion during percutaneous coronary intervention (PCI) is one of the suboptimal results associated with a higher risk of restenosis and thrombosis.
- Trial name
- WEDGES (NCT05019443)
- Testing
- Wedge Scoring Balloon, Conventional Balloon
- Where
- 5 sites in Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Stephane Carlier
Cancer
Efficacy of AirGLovE in Difficult Venous Access
To determine whether Airglove™ warming device dilates upper limb veins to the same degree as the warm water immersion (WWI) method.
- Trial name
- EAGLE (NCT05127668)
- Testing
- Airglove (TM), Warm-water Immersion
- Where
- United Kingdom
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Glasgow Caledonian University
Coronary Artery Ectasia
Ischemia and Inflammatory Markers Among Patients With Coronary Artery Ectasia
study the ischemic burden in patients with CAE, and its relation to inflammatory markers. To assess the ischemic response during exercise ECG among patients with different variants of CAE.
- Trial name
- NCT05692115
- Testing
- stress ECG
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assiut University