Clinical trials: Angiogram
Healthy, Renovascular Hypertension
Magnetic Resonance Imaging for Evaluating Kidney Function
Renovascular hypertension (RVH) is a potentially curable disease affecting 0.5-5 percent of patients with hypertension. The current diagnostic work-up of RVH involves a complex algorithm which includes doppler ultrasound…
- Trial name
- NCT00006173
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Atherosclerosis
Comparison of Magnetic Resonance Angiography and Standard Angiography in Diagnosing Atherosclerosis
This study will evaluate ways to improve magnetic resonance angiography (MRA) for diagnosing atherosclerosis (hardening and narrowing of the arteries).
- Trial name
- NCT00001946
- Testing
- Magnetic resonance angiography
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Retinal Artery Occlusions, Polypoidal Choroidal Vasculopathy
OCT in Rare Chorioretinal Diseases
This study will evaluate the total blood flow in the retina and choroid (structures in the back of the eye) by Doppler optical coherence tomography (OCT) and OCT angiography. Angiography is mapping of the blood vessels.
- Conditions
- Retinal Artery Occlusions, Polypoidal Choroidal Vasculopathy, Retinal Arterial Macroaneurysm, Juxtafoveal Telangiecasia
- Trial name
- NCT02141308
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Oregon Health and Science University
Normal Eyes, Peripheral Retina
Appearance of Far Peripheral Retina in Normal Eyes by Ultra-widefield Fluorescein Angiography
PURPOSE: To characterize the appearance of the far peripheral retina of normal eyes using ultra-widefield fluorescein angiography (UWFA). DESIGN: Prospective observational case series.
- Trial name
- NCT02856139
- Where
- China
- Volunteers
- 61 people
- Sponsor
- Sun Yat-sen University
Coronary Disease
Using Intraoperative Coronary Bypass Graft Imaging to Improve Graft Patency
The primary objective of the proposed study is to determine if a strategy of intraoperative patency assessment and graft revision can decrease the rate of graft occlusion or significant stenosis (>50%) at 6-12 weeks after…
- Trial name
- GRIIP (NCT00187421)
- Testing
- Indocyanine green intraoperative angiogram and transit-time flowmetry
- Where
- Canada
- Volunteers
- 156 people
- Sponsor
- Sunnybrook Health Sciences Centre
Retinopathy of Prematurity
Retinal Microanatomy in Retinopathy of Prematurity (BabySTEPS2)
Retinopathy of prematurity (ROP) is a disorder of development of the neural retina and its vasculature that can impact vision in vulnerable preterm neonates for a lifetime.
- Trial name
- BabySTEPS2 (NCT04995341)
- Testing
- Investigational ultracompact OCT and OCTA system, retinal photographs
- Where
- 2 sites in United States
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Duke University
Contrast Enhanced X-ray Based Examination
A Study, Called UV Population, to Learn More About the Safety of the Study Drug Ultravist, Which is Given to Get Clearer X-ray Pictures, in People of Different Sexes, Races, and From Different Countries/Regions
This is an observational study in which patient data from the past of people who received Ultravist prior to an X-ray based scan are studied.
- Trial name
- NCT05428397
- Testing
- Iopromide (Ultravist, BAY86-4877)
- Where
- Germany
- Volunteers
- 152,233 people
- Sponsor
- Bayer
Coronary Heart Disease
Application of a New X-ray Protective Device in Coronary Interventional Therapy
This is a multi-center, prospective and controlled clinical trial which will enroll 200 coronary arteriography or percutaneous coronary intervention with 2-4 interventional cardiologist.
- Trial name
- NCT05088291
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Coronary Artery Disease, Chronic Total Occlusions
Prognostic Impact of Chronic Total Occlusions
The purpose of this study is to determine the prognostic impact of the presence of chronic total occlusions (CTO) of the coronary arteries in patients undergoing coronary angiography and PCI.
- Trial name
- NCT02084888
- Where
- Sweden
- Volunteers
- 91,154 people
- Sponsor
- Sahlgrenska University Hospital
AMD - Age-Related Macular Degeneration
Comparison of the Sensibility of Swept Source Optical Coherence Tomography Devices in the Detection of Neovascularisation in Large Pigment Epithelium Detachments
The goal of this observational study is to compare swept source optical coherence tomography devices ability to detect macular neovascularisation when there is a large pigment epithelium detachment higher than 250 microns
- Trial name
- NCT07143526
- Testing
- Optical Coherence Tomography Angiography (OCT-A)
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University of Trieste
Slow Coronary Flow, Normal, or Near Normal Coronary Angiography
Effects of Nicorandil on Angina Symptoms in Patients With Coronary Slow Flow
Slow coronary flow is an angiographically diagnosed phenomenon defined as delayed opacification of epicardial arteries in the absence of significant arterial narrowing and blockade.
- Conditions
- Slow Coronary Flow, Normal, or Near Normal Coronary Angiography, Stable Angina
- Trial name
- NCT02254252
- Testing
- Nicorandil, Nitroglycerin
- Volunteers
- 54 people
- Sponsor
- Mashhad University of Medical Sciences
Retinal Vein Occlusion, Macular Edema, Cystoid
Steroid Injections vs. Standard Treatment for Macular Edema Due to Retinal Blood Vessel Blockage
This study will compare the safety and effectiveness of two treatments-injections of triamcinolone acetonide into the eye vs. standard laser therapy-for macular edema (swelling in the center of the retina) that is caused by…
- Conditions
- Retinal Vein Occlusion, Macular Edema, Cystoid, Macular Edema
- Trial name
- NCT00106132
- Testing
- Triamcinolone Acetonide
- Where
- United States
- Volunteers
- 1,260 people
- Sponsor
- National Eye Institute (NEI)
Children, Cardiac Catheterization
The Effect of Quilling Exercise Applied Before Cardiac Catheterization and Angiography
The heart is one of the most important organs of the body. Any defect in the heart or blood vessels can cause serious problems and include a number of health problems that reduce the quality of life.
- Trial name
- NCT06755931
- Testing
- quilling set, Control
- Where
- Turkey (Türkiye)
- Volunteers
- 68 people
- Sponsor
- Semra Kose
Ischemic Heart Disease
Diagnostic Benefits of HyperQTM vs. Conventional ECG Stress Test. Comparison of HyperQ vs. Stress ECG in Women Before Angiography
The purpose of this study is to verify the efficiency of the HyperQ technology compared with standard ECG analysis in detecting exercise induced ischemia in women who are referred to coronary angiography.
- Trial name
- NCT00850486
- Testing
- Exercise test with HyperQ technology
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- BSP Biological Signal Processing Ltd.
Diabetes Mellitus, Coronary Artery Disease
Periprocedural Glycemic Control in Patients Undergoing Coronary Angiography
There are 24 million people with diabetes mellitus (DM) in the United States. Over one-third of patients presenting for coronary angiography have known DM, and an additional 20% of patients without known DM present with…
- Trial name
- NCT01419652
- Testing
- hold hypoglycemic meds
- Where
- United States
- Volunteers
- 351 people
- Sponsor
- NYU Langone Health
Ischemic Reperfusion Injury
Single-cycle Remote Ischemic Preconditioning and Postconditioning for Prevention of Contrast-Induced Nephropathy
This trial is a 2 x 2 factorial design, double-blinded, randomized controlled trial to evaluate efficacy and safety of remote ischemic preconditioning and postconditioning for prevention of contrast-induced acute kidney injury in…
- Trial name
- NCT02729155
- Testing
- RIPre, RIPost
- Where
- Thailand
- Volunteers
- 596 people
- Sponsor
- Phramongkutklao College of Medicine and Hospital
Angiography
Effectiveness of Music During Cardiac Catheterization
The research was planned on a randomized controlled experimental basis. Simple stratified randomization will be performed according to gender and age.
- Trial name
- NCT04316754
- Testing
- music
- Where
- Turkey (Türkiye)
- Volunteers
- 33 people
- Sponsor
- Izmir Katip Celebi University
Cardio-Renal Syndrome, Coronary Angiography
Risk Factors and Prognosis of Adverse Cardiovascular and Kidney Events After Coronary Intervention
As a single center, retrospective observation study in Guangdong Institute of Cardiovascular Diseases, this study included the main study population of patients who underwent coronary angiography and / or coronary intervention…
- Conditions
- Cardio-Renal Syndrome, Coronary Angiography, Coronary Artery Disease, Kidney Diseases
- Trial name
- NCT04407936
- Where
- China
- Volunteers
- 88,938 people
- Sponsor
- Guangdong Provincial People's Hospital
Diffuse Intrinsic Pontine Glioma (DIPG)
Intra-arterial Chemotherapy for the Treatment of Progressive Diffuse Intrinsic Pontine Gliomas (DIPG).
The goal of this pilot study is to determine if intra-arterial (IA) chemotherapy is safe in the treatment of progressive diffuse intrinsic pontine gliomas (DIPG).
- Trial name
- NCT01688401
- Testing
- Melphalan hydrochloride
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Angina
The Syndrome X-ercise Study SYNDEX
This pilot study evaluates the effect of exercise training on CFR, functional capacity, heart rate variability, endothelial function and quality of life in patients with no obstructive coronary artery disease and angina.
- Trial name
- SYNDEX (NCT02905630)
- Testing
- Exercise training
- Where
- Norway
- Volunteers
- 30 people
- Sponsor
- Helse Stavanger HF