Clinical trials: Contrast Agent
Acute Renal Failure
Intravenous High Dose NAC and Sodium Bicarbonate for the Prevention of Contrast-induced Acute Injury
Contrast-induced acute kidney injury is a common cause of acquired in-hospital renal insufficiency and is associated with prolonged hospitalization and unfavorable early and late outcomes.
- Trial name
- NCT01612013
- Testing
- Sodium bicarbonate plus saline, Intravenous NAC plus saline, NAC plus sodium bicarbonate plus saline
- Where
- Brazil
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Kidney Diseases, Diabetes Mellitus
Efficacy and Safety of Alprostadil Prevent Contrast Induced Nephropathy
The aim of this prospective, randomized, controlled study is to investigate the effect of pretreatment with intravenous Alprostadil on the incidence of CIN in a high-risk population of patients with both type 2 diabetes mellitus…
- Conditions
- Kidney Diseases, Diabetes Mellitus, Acute Kidney Injury, Kidney Failure, Chronic
- Trial name
- NCT01722513
- Testing
- Alprostadil ﹠control
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Shanghai 10th People's Hospital
Meibomian Gland Dysfunction
The Impact of Dry Eye Syndrome on Metrics of Low Contrast Vision Before and After Meibomian Gland Expression
The study aims to determine the impact of Meibomian Gland Dysfunction (MGD) dry eye on low contrast black/white (luminance) and cone color sensitivity performance and improvement in these functions after in-house non-invasive…
- Trial name
- NCT05713981
- Testing
- Meibomian gland (MG) expression
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
Contrast-induced Nephropathy
Role of Amlodipine in Reduction of CIN
The aim is to assess the benefit of low dose oral amlodipine in renal protection from contrast induced nephropathy in diabetic patients in intensive care unit
- Trial name
- NCT07291375
- Testing
- Calcium channel blocker, Hydration
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Minia University
Thrombus, Myocardial Infarction
Diagnostic Utility of Contrast Echocardiography for Detection of LV Thrombi Post ST Elevation Myocardial Infarction
This is a cross-sectional study of post myocardial infarction patients which is designed to determine the prevalence of left ventricular thrombi (blood clots) using non-contrast echocardiography and to compare this with the…
- Trial name
- NCT00539045
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Dry Eye Syndrome
The Effect of a New Emulsion in Dry Eye Patients on Tear Layer Aberrometry, Contrast Sensitivity, and Reading Ability
The purpose of this study is to investigate how the addition of a new emulsion artificial tear to the tear layer of dry eye and normal patients affects aberrometry, contrast sensitivity, and reading ability over time.
- Trial name
- NCT01013077
- Testing
- Optive, Soothe, New Emulsion, Soothe, New Emulsion, Optive, New Emulsion, Optive, Soothe
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Healthy Volunteer, Magnetic Resonance Imaging
Study of New Magnetic Resonance Imaging Methods of the Brain
The purpose of this investigation is to develop improved magnetic resonance imaging (MRI) techniques and hardware for studying brain function.
- Conditions
- Healthy Volunteer, Magnetic Resonance Imaging, Healthy, fMRI
- Trial name
- NCT00004577
- Where
- United States
- Volunteers
- 1,100 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Cannabis Dependence
Effects of Chronic Intake of Cannabis on Contrast Sensitivity
Rates of driving under the influence of cannabis have risen in recent years. Cannabis is involved in 1/3 of motor vehicle collisions.
- Trial name
- NCT01793961
- Testing
- electroretinogram, contrast sensitivity tests
- Where
- France
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Breast Cancer
Comparison of Contrast-enhanced Spectral Mammography (CESM) to MRI in Screening High Risk Women for Breast Cancer
This research study is comparing Dual-Energy Contrast-Enhanced Spectral Mammography (CESM) to MRI as a screening tool for breast cancer.
- Trial name
- NCT02275871
- Testing
- MRI, CESM
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Men, Fertility
Sperm Morphology by High Magnification in Fertility Men
A new concept for observing the fine morphology of spermatozoa at high magnification (x6000) with an inverted microscope, a numeric camera using differential interference contrast has been developed (1).
- Trial name
- FERTIFORT (NCT01895192)
- Testing
- Assessment of sperm morphology (contrast microscopy).
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Fibrosis and Cirrhosis of Liver
Quantitative MRI Imaging in Diffuse Liver Diseases
As we all know, the early diagnosis and accurate staging of liver fibrosis are very important to reduce the incidence of liver cirrhosis and liver cancer.
- Trial name
- QMIDLD (NCT04626492)
- Testing
- Quantitative MRI imaging
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Fifth Affiliated Hospital, Sun Yat-Sen University
IC - Interstitial Cystitis
Phenotyping Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) by Intravesical Contrast Enhanced - Magnetic Resonance Imaging (ICE-MRI) Bladder Permeability Assay
Each participant will be asked to participate in this research study which distinguishes different types of Interstitial Cystitis/Bladder Pain Syndrome. Research studies include only people who wish to participate.
- Trial name
- NCT05811377
- Testing
- Ferumoxytol, Gadobutrol
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Christopher J Chermansky, MD
Myopia
Evaluating NeuroVision's Neural Vision Correction (NVC) Myopia Treatment
The purpose of the present study is to carry out a trial to evaluate the clinical efficacy of the NeuroVision Low Myopia Treatment. The specific questions to be answered are: 1.
- Trial name
- NCT00469612
- Testing
- NeuroVision's NVC treatment for Low Myopia
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Early Primary Breast Cancer
KVUS at Neoadjuvant CTx of Breast Cancer
Effect of the contrast-enhanced diagnostic ultrasound during neoadjuvant chemotherapy of breast cancer on the achieved tumor size reduction and tolerability of chemotherapy
- Trial name
- NCT03385200
- Testing
- SonoVue
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- RWTH Aachen University
Obstructive Coronary Artery Disease, Coronary Arteriosclerosis
Gadofosveset Trisodium for Heart Imaging Studies
Background: Magnetic resonance imaging (MRI) is type of imaging study that uses magnetic fields and radio waves to take pictures of the body. To help the images show up more clearly, a contrast agent is injected into a vein.
- Conditions
- Obstructive Coronary Artery Disease, Coronary Arteriosclerosis, Coronary Artery Disease (CAD)
- Trial name
- NCT01853592
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Breast Cancer
Screening Contrast-enhanced Mammography
The main objective of this study is to compare the diagnostic performance of two diagnostic methods, namely CESM and MRI, in the evaluation of a lesion suspicious of breast cancer in 300 Quebec women referred for the…
- Trial name
- NCT05390229
- Where
- Canada
- Volunteers
- 231 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Pancreatic Adenocarcinoma
Prospective Evaluation of MRI Biomarkers in Pancreatic Ductal Adenocarcinoma
This is a prospective cohort study in participants with pancreatic adenocarcinoma who are undergoing surgical resection. Participants will have up to two magnetic resonance imaging (MRI) scans with and without intravenous…
- Trial name
- NCT02775786
- Testing
- MRIs with and without intravenous contrast (up to 2)
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Columbia University
Cataract, Lens Opacities
PMCF Retrospective Study Outcomes of a Premium Monofocal IOL
Multicentric, retro- / prospective, open-label, observational PMCF study to investigate visual performance, contrast sensitivity and patient satisfaction after mono- or bilateral implantation of Isopure 1.2.3.
- Trial name
- PHY2110 (NCT04874376)
- Testing
- IOL implantation experimental (Isopure 1.2.3.)
- Where
- 6 sites in Spain
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Taste, Altered
Flavoring Oral Contrast for MR Enterography
To determine if patient satisfaction, participation, and image quality improves with flavored oral contrast for MR enterography.
- Trial name
- NCT02617576
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Minnesota
Hematoma
Utility of Real-Time Contrast Enhanced Ultrasound (CEUS) in the Evaluation of Soft Tissue Hematomas
Traumatic and non-traumatic soft tissue hematomas are frequently encountered in the acute care setting. The incidence of these hematomas appears to be on the rise secondary to the increased use of anticoagulants among older…
- Trial name
- CEUS (NCT03357081)
- Testing
- CEUS or Contrast enhanced Ultrasound
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic