Clinical trials: Distension
Cataract, Phacoemulsification
Intracameral Mydriasis Versus Topical Mydriasis in Cataract Surgery
The purpose is to determine if an intracameral solution of 0.2% tropicamide and 2% phenylephrine can dilate the pupil for cataract surgery as well as pre-operative topical 1% tropicamide and 5% phenylephrine.
- Conditions
- Cataract, Phacoemulsification, Mydriasis, Pseudoexfoliation Syndrome
- Trial name
- NCT00690222
- Testing
- Intracameral injection of mydriatic agent
- Where
- Canada
- Volunteers
- 80 people
- Sponsor
- Nova Scotia Health Authority
Aortic Dissection, Aortic Arch
Repair Versus Non-repair of the Aortic Arch in Type A Aortic Dissection
Acute Stanford type A aortic dissection (TAAD) is a life-threatening clinical status requiring surgery that is usually performed as a salvage procedure.We planned a multicenter study to evaluate the balance between the patient's…
- Conditions
- Aortic Dissection, Aortic Arch, Aortic Dissection Rupture, Aortic Dilatation
- Trial name
- AoArch (NCT05912634)
- Testing
- Conservative TAAD-R, Extensive TAAD- R
- Where
- France
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Centre Cardiologique du Nord
Chronic Sinusitis, Chronic Rhinosinusitis (Diagnosis)
XprESS Maxillary Balloon Dilation Study
A prospective, single-arm, post approval pilot study.
- Trial name
- NCT01525862
- Testing
- Balloon sinus dilation
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- Entellus Medical, Inc.
Hypertension, Obesity
Microvascular Dilatation After Endogenous Induced Hyperinsulinemia
In this study we will examine if the insulin-induced microvascular effects will occur after a physiological stimulus (i.e. a oral glucose tolerance test).
- Trial name
- NCT00742456
- Testing
- Glucose solution
- Where
- Netherlands
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Esophageal Stricture, Caustic Esophageal Stricture
Evaluation of Topical Mitomycin C as Adjuvant Drug to Esophageal Dilation in Children
This study aims to evaluate mitomycin C as an adjunct to endoscopic treatment of esophageal strictures. This is a crossover, controlled, clinical trial in which children with esophageal stricture will be randomized in two groups…
- Conditions
- Esophageal Stricture, Caustic Esophageal Stricture, Peptic Esophageal Stricture, Post-Surgical Esophageal Stricture
- Trial name
- NCT00551824
- Testing
- Mitomycin C
- Where
- Brazil
- Volunteers
- 10 people
- Sponsor
- Federal University of São Paulo
Heart Failure, Myocardial Infarction
A Multinational Trial to Evaluate the Longterm Safety of the Parachute Implant System
The primary objective is to assess the longterm safety of the CardioKinetix Parachute Implant and Delivery System in the partitioning of the left ventricle in patients with heart failure due to ischemic heart disease.
- Trial name
- PARACHUTEIII (NCT01297296)
- Where
- 13 sites in Belgium, Germany and 4 more
- Volunteers
- 54 people
- Sponsor
- CardioKinetix, Inc
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
Acute Kidney Injury, The Changes of Plasma Creatinine
Short-Term Alpha Lipoic Acid Therapy for Prevention of Contrast-induced Acute Kidney Injury and Endothelial Dysfunction in Type 2 Diabetes
Contrast-induced acute kidney injury (CIAKI) is a major complication with adverse outcomes after contrast media injection. Although the risk of developing CIAKI is low in patients with normal renal function, it is dramatically…
- Conditions
- Acute Kidney Injury, The Changes of Plasma Creatinine, The Changes of Plasma Free Radicals, The Changes of Endothelium-dependent Arterial Dilation
- Trial name
- NCT01978405
- Testing
- Alpha lipoic acid
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Xiang Guang-da
Subglottic Stenosis (SGS)
Coblation Assisted Dilatation Versus Modified Maddern Procedure in Subglottic and Cervical Tracheal Stenosis
This study compares the effectiveness of Coblation-assisted endoscopic airway dilatation with the modified Maddern procedure-which involves endoscopic excision of scar tissue followed by buccal mucosal grafting-in patients with…
- Trial name
- NCT07303673
- Testing
- Coblation-assisted dilatation, Modified Maddern procedure
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Mansoura University
Peripheral Arterial Disease
Effectiveness and Safety Study of Peripheral Balloon Dilatation Catheter in Percutaneous Transluminal Angioplasty(PTA) Procedure
The purpose of this study is to determine whether the peripheral balloon dilatation catheter (trade name: Iris) is safe an effective in PTA procedure.
- Trial name
- NCT01849601
- Testing
- percutaneous transluminal angioplasty balloon catheter
- Where
- China
- Volunteers
- 167 people
- Sponsor
- Acotec Scientific Co., Ltd
Coronary Artery Disease
Evaluation of Coronary Luminal Diameter Enlargement With Emerge™ 1.20 mm PTCA Dilatation Catheter
To evaluate the acute safety and device procedural success of the Emerge 1.20 mm PTCA dilatation catheter when used as a pre-dilatation device in the stenotic portion of coronary arteries or bypass grafts.
- Trial name
- NCT01635881
- Testing
- Emerge™ 1.20 mm PTCA Dilatation Catheter
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Boston Scientific Corporation
Endothelial Dysfunction, Oxidative Stress
Creatine Monohydrate Supplementation and Vascular Endothelial Health
To determine the effects of 4 weeks of creatine monohydrate supplementation on markers of macrovascular and microvascular function, cognitive performance, and physical performance.
- Trial name
- NCT05014659
- Testing
- Creatine monohydrate
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Florida State University
Cataract, Myopia
Evaluating the Effect of Laser Vision Surgery, Phakic Intraocular Lens Implantation, Cataract Surgery, and Pupil Dilation on the Iris Recognition Scanner Function of Smartphone
This study included patients who visit for refractive surgery (photorefractive keratectomy, photorefractive keratectomy with with corneal collagen cross linking, laser in situ keratomileusis, small incision lenticule extraction)…
- Conditions
- Cataract, Myopia, Myopic Astigmatism
- Trial name
- NCT02939001
- Testing
- iris recognition scanner
- Where
- South Korea
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Crohn Disease, Stricture; Bowel
Endoscopic Stricturotomy Versus Endoscopic Balloon Dilatation in Patients With Crohn's Disease and Symptomatic Small Bowel Stricture
Stenosis is one of the most frequent complications in patients with Crohn's disease (CD). In particular, CD patients with intestinal strictures are often faced with short bowel syndrome after repeated or extensive surgical…
- Conditions
- Crohn Disease, Stricture; Bowel, Endoscopy, Gastrointestinal
- Trial name
- DESTRESS (NCT05009212)
- Testing
- Endoscopic stricturotomy, Endoscopic balloon dilatation
- Where
- China
- Volunteers
- 96 people
- Sponsor
- Sixth Affiliated Hospital, Sun Yat-sen University
Physiologic Venous Dilation, Air Travel
Prospective Repeated-Measures Study of Popliteal Vein Diameter During the First 48 Hours After Commercial Air Travel to Bogota for a Plastic Surgery Intervention
This prospective repeated-measures study will evaluate how long popliteal vein dilation persists after international commercial air travel to Bogota.
- Trial name
- NCT07808411
- Testing
- Commercial Air Travel Exposure, Standardized Bilateral Popliteal Vein Duplex Ultrasound
- Where
- Colombia
- Volunteers
- 100 people
- Sponsor
- Research Inc
Cystic Fibrosis, Endothelial Dysfunction
Vascular Health and Function in Cystic Fibrosis
The goal of this observational study is to learn whether blood vessel health and function differ between adults aged 40 years or older with cystic fibrosis (CF) who are taking CFTR modulator therapy and healthy adults of the same…
- Conditions
- Cystic Fibrosis, Endothelial Dysfunction, Cardiovascular Risk Factor
- Trial name
- CF-VHF (NCT07904325)
- Testing
- Non-invasive vascular, cerebrovascular and autonomic assessment
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Liverpool Heart and Chest Hospital NHS Foundation Trust
Pancreatic Duct Dilatation
Main Pancreatic Duct Diameter
The maximal diameter of the pancreatic duct will be measured by endoscopic ultrasound at four different parts: Pancreatic head Pancreatic neck Pancreatic body Pancreatic tail
- Trial name
- NCT05385354
- Where
- Germany
- Volunteers
- 115 people
- Sponsor
- Technical University of Munich
Coronary Artery Disease
Effect of Ile-Pro-Pro (IPP) on Endothelial Function in Patients With Coronary Artery Disease
This study will investigate whether the lacto-tripeptide Ile-Pro-Pro (IPP) improves the function of the endothelium in patients with coronary artery disease. The study has a crossover design.
- Trial name
- NCT00924157
- Testing
- IPP
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Boston University
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
Critical Limb Ischemia, Peripheral Arterial Occlusive Disease
Cryoplasty CLIMB-registry
In 5 Belgian hospitals, the data of 100 CLI-patients receiving the cryoplasty technique to treat their infrapopliteal arterial lesions will be collected.
- Trial name
- CLIMB (NCT00459888)
- Testing
- PolarCath Peripheral Dilatation System (Boston Scientific)
- Where
- 4 sites in Belgium
- Volunteers
- 100 people
- Sponsor
- Flanders Medical Research Program