Clinical trials: Distension
Anisocoria
Wearing-Off Period of Pharmacological Dilation and Anisocoria
Students at the School of Medicine Greenville will be asked to participate in this study. The aim of this study is to better understand when medical imaging is needed for patients with anisocoria (unequal pupil size).
- Trial name
- NCT05238233
- Testing
- Tropicamide, 1% Pilocarpine, Proparacaine Hydrochloride
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Prisma Health-Upstate
Mydriasis
Safety and Efficacy of Phenylephrine 2.5%-Tropicamide 1% Microdose Ophthalmic Solution for Pupil Dilation
This study evaluated pupil dilation after administration of fixed combination tropicamide-phenylephrine (TR/PE) vs. phenylephrine (PE) alone and tropicamide (TR) alone. Participants attended 3 visits.
- Trial name
- MIST-1 (NCT03751631)
- Testing
- Tropicamide 1%-Phenylephrine 2.5% ophthalmic solution (TR/PE), Tropicamide 1% ophthalmic solution (TR), Phenylephrine 2.5% ophthalmic solution (PE)
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Eyenovia Inc.
Gastric Distention
High-Flow Heated and Humidified Oxygen Therapy and Gastric Distension
High Flow Heated and Humidified Nasal Oxygen therapy (HFHHNO) has been increasingly used in emergency medicine to assist patients with short term respiratory failure and to provide adequate oxygen to the body prior to intubation.
- Trial name
- HFHHNOGastric (NCT03134937)
- Testing
- High-Flow Heated and Humidified Oxygen Therapy (HFHHNO)
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
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
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
Therapeutic Abortion
Same-day Dilapan-S With Adjunctive Misoprostol
Cervical preparation before second trimester dilation and evacuation (D\&E) reduces risks and complications. Osmotic cervical dilators as well as prostaglandin analogues have been studied for cervical preparation.
- Trial name
- DAM (NCT01818414)
- Testing
- Misoprostol, Folic Acid
- Where
- 2 sites in United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
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
Dilatation of Cranial Arteries; MMA, STA and MCA, Headache
The Effect of Levcromakalim Infusion on the Cranial Arteries Over Several Hours Using a High Resolution MRA Technique in a Randomized, Double-blind Placebo-controlled Design in Healthy Volunteers.
Healthy participants vill randomly be allocated in a 2:1 order to receive 1 mg levcromakalim or placebo (isotonic saline) for 20 min.
- Trial name
- NCT03609008
- Testing
- Levcromakalim, Saline
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Danish Headache 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
Obesity, Hypertension
Flow-mediated Arterial Dilatation, Hypertension, Endothelin-1 and sICAM-1 in Obese Adolescents
Obesity in adolescents is associated with the development of cardiovascular disease and type 2 diabetes mellitus. In order to detect early development of cardiovascular disease, early detection of the endothelium of obese…
- Conditions
- Obesity, Hypertension, Adolescent Obesity
- Trial name
- sICAM-1 (NCT05951894)
- Where
- Indonesia
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universitas Airlangga
Keratoconus, Ectasia
A Study to Test the Diagnostic Potential of Brillouin Microscopy for Corneal Ectasia
We have developed novel Brillouin microscopy and we are testing its potential for keratoconus and ectasia diagnostics. We plan to perform axial scans of the cornea in human volunteers in order to compare biomechanical properties…
- Conditions
- Keratoconus, Ectasia, Crosslinking, Fuchs' Endothelial Dystrophy
- Trial name
- NCT02118922
- Testing
- Brillouin imaging
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
GAVE - Gastric Antral Vascular Ectasia, Bleeding
Cryotherapy for GAVE
Gastric antral vascular ectasia (GAVE) is a condition that can lead to blood loss in the gastrointestinal tract and low blood counts or anemia.
- Conditions
- GAVE - Gastric Antral Vascular Ectasia, Bleeding, Bleeding Gastric
- Trial name
- GAVE Cryo (NCT04760873)
- Testing
- cryotherapy
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- H. Lee Moffitt Cancer Center and Research Institute
Keratoconus, Eye Diseases
Development of a Keratoconus Detection Algorithm by Deep Learning Analysis and Its Validation on Eyestar Images
Monocentric clinical study to develop an imaging analysis algorithm for the Eyestar 900 to identify keratoconus corneas and improve biometry for intraocular lens calculations
- Conditions
- Keratoconus, Eye Diseases, Cataract, Corneal Ectasia
- Trial name
- DKDA (NCT04763785)
- Testing
- Corneal tomography with Eyestar 900, Corneal tomography with Pentacam, Biometry with IOL-Master
- Where
- Switzerland
- Volunteers
- 4,800 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Adhesive Capsulitis, Adhesive Capsulitis of Shoulder
Using Kinect Motion Capture to Measure Shoulder Motion in Patients Undergoing Capsular Distension for Adhesive Capsulitis
This study will compare shoulder range of motion assessment using the Kinect motion tracking system vs goniometer in patients with adhesive capsulitis (frozen shoulder) undergoing ultrasound-guided capsular distention procedures…
- Conditions
- Adhesive Capsulitis, Adhesive Capsulitis of Shoulder, Frozen Shoulder, Shoulder Frozen
- Trial name
- NCT04413162
- Testing
- Kinect motion tracking system
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Endothelial Dysfunction
The Acute Effects of Commercially Available Drinks on the Endothelial Function of Humans Following a High-fat Meal
High fat diets are associated with impaired endothelial function and increased cardiovascular disease risk amongst our population.
- Trial name
- NCT03806829
- Testing
- Water, Red Wine, Green Tea
- Where
- United Kingdom
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of the Highlands and Islands
Keratoconus, Corneal Ectasia
Transepithelial (Epi-on) Corneal Collagen Crosslinking to Treat Keratoconus and Corneal Ectasia
Corneal collagen crosslinking (CXL) has been demonstrated as an effective method of reducing progression of both keratoconus and corneal ectasia after surgery, as well as possibly decreasing the steepness of the cornea in these…
- Trial name
- NCT04905108
- Testing
- Riboflavin
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Cornea and Laser Eye Institute
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
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
Thrombosis, Menopause
Exercise Training and Thrombotic Risk in Post-menopausal Women
At menopausal transition, the risk of cardiovascular diseases increases. This is partly due to aging, but largely also the loss of estrogen, which has many positive effects on the circulation and protects against cardiovascular…
- Conditions
- Thrombosis, Menopause, Exercise Training, Vascular Dilation
- Trial name
- TIME (NCT04596501)
- Testing
- Early and late postmenopausal women
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
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