Clinical trials: Distension
Abortion, Induced
Cervical Preparation Before Dilation and Evacuation
The purpose of this research study is to compare three different ways of opening a woman's cervix before her second-trimester surgical abortion.
- Trial name
- NCT01751087
- Testing
- Mifepristone, misoprostol, Osmotic dilators
- Where
- 7 sites in United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Planned Parenthood League of Massachusetts
Irritable Bowel Syndrome
Ileocecal Sphincter Reflex by Cecal Distension During Colonoscopy
The aim of the current study is to test the hypothesis that patients with IBS may have a defective ICV pressures and may have small bowel bacterial overgrowth.
- Trial name
- NCT01413945
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Mammary Duct Ectasia of Unspecified Breast, Mammographic Findings
Correlation of Solitary Dilated Duct at Mammography With Ultrasonography and Anatomopathological Findings
Mammograms performed at the Diagnostic Imaging Department of the "Instituto Brasileiro de Controle do Câncer" (IBCC - Brazilian Cancer Control Institute) will be prospectively evaluated.
- Conditions
- Mammary Duct Ectasia of Unspecified Breast, Mammographic Findings, Female
- Trial name
- NCT03161392
- Testing
- Follow-up, Ultrasound-guided percutaneous biopsy
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Faculdade de Medicina do ABC
Artery; Dilatation
Safety and Tolerability of Nitro for Radial Artery Dilation
Phase 1, single-center, open-label clinical study to assess the safety and efficacy of topical nitroglycerin on dilation of the radial artery.
- Trial name
- RADial (NCT05239013)
- Testing
- Nitroglycerin ointment
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Vascular Dilation
The Influence of Daily Strawberry Intake on Vascular Health in Elderly Men
The overall objective of this proposed trial is to examine the vascular protective effects provided by the daily consumption of 39g of freeze dried strawberry powder (FDSP) for four weeks.
- Trial name
- NCT04763499
- Testing
- freeze dried strawberry powder
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
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
Coronary Artery Disease
Biomarkers for Cardiovascular Disease
Biomarkers for Cardiovascular Disease Summary: This study will examine the function of the lining cells of blood vessels and measure substances in the blood to see how they relate to various blood tests, including new tests under…
- Trial name
- NCT00109018
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Nitrate, Caffeine
The Effects of Nitrate, Caffeine, and Cold Exposure on Cardiovascular Function.
Dietary inorganic nitrate supplementation may have positive implications on cardiovascular function. The aim of this project is to determine if nitrate supplementation can attenuate the effects that caffeine and cold exposure…
- Conditions
- Nitrate, Caffeine, Cold Exposure
- Trial name
- NCT06602921
- Testing
- TruBeet inorganic beetroot juice, Caffeine, Cold pressor test
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Loughborough 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
Ventricular Function, Left
Assessment of Cardiac Involvement of Common Cold in High Performing Athletes by Cardiac Magnetic Resonance Imaging (MRI)
Cardiovascular magnetic resonance (CMR) imaging will be used to assess the impact of common colds and physical training in high-performing athletes. Healthy individuals from the general public will serve as a comparison group.
- Trial name
- NCT00739895
- Testing
- Cardiac magnetic Resonance study, Blood testing
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Preterm Birth, Obstetric Labor, Premature
Azithromycin to Improve Latency in Exam Indicated Cerclage Control Trial
Azithromycin is an antibiotic that is effective against bacteria that been associated with preterm birth (PTB). The purpose of this study is to evaluate if the addition of azithromycin prior to exam indicated cerclage prolongs…
- Conditions
- Preterm Birth, Obstetric Labor, Premature, Obstetric Labor Complications, Pregnancy Complications
- Trial name
- ALEC (NCT05132829)
- Testing
- Azithromycin 1 gram IV, Cefazolin and indomethacin
- Where
- 2 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Retinopathy of Prematurity
A Study Investigating Whether Low Dose Eyedrops for Pupil Dilation is as Effective and Safe as Standard Dose Eyedrops in Examination for Retinopathy of Prematurity.
A prospective, randomized controlled study was conducted from August, 2022 to March, 2023 in the neonatal intensive care unit in Queen Mary Hospital, Hong Kong.
- Trial name
- NCT06288321
- Testing
- Microdrop Mydrin-P, Standard Mydrin-P
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Endothelial Function, Oxidative Stress
Black Forest Cocoa Flavanol Supplementation and Health Trial
This randomized, double-blind, controlled clinical trial will evaluate the effects of daily cocoa flavanol supplementation on vascular and inflammatory biomarkers in healthy adult men aged 30 to 75 years.
- Conditions
- Endothelial Function, Oxidative Stress, Inflamation, Vascular Health
- Trial name
- NCT07747714
- Testing
- Cocoa Flavanol Supplement, Low-Flavanol Control Powder
- Where
- 2 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- The Black Forest LLC
High Blood Pressure, Flow Mediated Dilation
Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure
It is hypothesized that the daily supplementation of a nitrate-rich, two-ounce fruit and vegetable energy supplement (Isagenix International LLC) by healthy young adults with a would increase circulating nitrates and improve…
- Trial name
- NCT03486145
- Testing
- fruit and vegetable juice supplement
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Chronic Rhinosinusitis (Diagnosis)
A Clinical Evaluation of PROPEL® Contour Sinus Implant
The objective of this study is to evaluate the efficacy of PROPEL Contour placement following an in-office frontal sinus balloon dilation (SBD) in patients with chronic rhinosinusitis (CRS)
- Trial name
- EXPAND (NCT04858802)
- Testing
- PROPEL Contour Sinus Implant, Balloon Sinus Dilation Alone
- Where
- 14 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Intersect ENT
Keratoconus, Ectasia
UVA-Riboflavin Crosslinking Treatment of Corneal Ectasia
The primary objective of this study is to evaluate two different ultraviolet (UV) dosing regimens for corneal collagen cross linking to slow the progressive changes in corneal curvature in eyes with progressive keratoconus or…
- Conditions
- Keratoconus, Ectasia, Corneal Ectasia
- Trial name
- NCT01325298
- Testing
- UV-X Light, Riboflavin
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Mercy Center for Corrective Eye Surgery
Keratoconus, Ocular Surface Disease
Pilot Study to Investigate the Feasibility, Reliability and Efficacy of Utilizing OCT to Automate PROSE Fitting
EYEdeal Scanning Technology enables rapid measurement of corneal and scleral topography. By accurately measuring the ocular surface with this imaging technology, the current iterative fitting method required to fit PROSE…
- Conditions
- Keratoconus, Ocular Surface Disease, Pellucid Marginal Corneal Degeneration, Ectasia
- Trial name
- NCT04649177
- Testing
- Ocular surface optical coherence tomography
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Boston Sight
Coronary Artery Ectasia
Effect of Diltiazem on Coronary Artery Ectasia
Coronary artery ectasia (CAE) has been defined as localized or diffuse dilatation of epicardial coronary arteries more than 1.5 fold of adjacent normal segments.
- Trial name
- NCT02024919
- Testing
- intracoronary administration of diltiazem, intracoronary injection of 5 mL saline
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ankara University
Hypertension, Left Ventricular Hypertrophy
Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)
Studying the causal roles of components of the renin-angiotensin-aldosterone system (including angiotensin-(1-7) (Ang-(1-7)), angiotensin-converting enzyme 2 (ACE2), Ang II, and ACE), uric acid, and klotho in pediatric…
- Conditions
- Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation
- Trial name
- PHRASE (NCT04752293)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences