Clinical trials: Contrast Agent
Glaucoma
Spaeth/Richman Contrast Sensitivity Test
The Spaeth-Richman Contrast Sensitivity (SPARCS) test is a new method of assessing contrast sensitivity. The test, another way to measure vision, is performed on any standard computer with internet access.
- Trial name
- SPARCS (NCT01300949)
- Testing
- Spaeth/Richman Contrast Sensitivity Test, Pelli-Robson Contrast Sensitivity Chart
- Where
- United States
- Volunteers
- 314 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Bleeding
Assessment of Limb Perfusion During Junctional Tourniquet
The goal of this study is to use contrast enhanced ultrasound to determine the degree to which flow is reduced during application of a junctional tourniquet (JT).
- Trial name
- NCT02092415
- Testing
- Application of a Junctional Tourniquet
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science 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
Glaucoma
Human Optokinetic Contrast Device (HOCD) to Measure Visual Function and Identify Patients With and Without Glaucoma
The purpose of this study is to determine if an optokinetic contrast detection device is sufficient to measure contrast sensitivity and to distinguish between patients with and without glaucoma.
- Trial name
- HOCD (NCT02014597)
- Testing
- HOCD
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Benjamin Frankfort, MD, PhD
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
Peripheral Artery Disease
Optical Imaging Measurement of Intravascular Solution Efficacy Trial
Iodinated contrast is the current gold standard for infrainguinal angiography imaging in patients without renal insufficiency and has also been used with intravascular Optical Coherence Tomography (iOCT) to improve image quality…
- Trial name
- OPTIMISE (NCT01743872)
- Testing
- Contrast Injection, Dextran Injection, CO2 Injection
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Breast Cancer
A Prospective, Multi-site Clinical Study to Collect User Feedback Using Affirm® Contrast Biopsy
Currently, if a radiologist finds a suspicious lesion seen only on a diagnostic Contrast Enhanced Digital Mammography (CEDM) exam requiring biopsy the biopsy procedure would likely be performed with MRI guidance because there are…
- Trial name
- NCT04671329
- Testing
- Affirm Contrast Biopsy procedure
- Where
- 2 sites in United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Hologic, Inc.
Healthy
Open Label, Randomized Study of Low Concentration Ioforminol Injections for Use in Abdominal CECT in Healthy Volunteers
To optimize both the Ioforminol concentration and dosage(s) for CECT of the abdomen. To evaluate the safety and tolerability of low concentration Ioforminol Injections. Study recruits healthy volunteers.
- Trial name
- NCT01672996
- Testing
- Ioforminol 160 mgI/mL, Ioforminol 200 mgI/mL, Iopamidol 300 mgI/mL
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
Healthy
First in Human Study of RVP-001, a New Manganese Based MRI Contrast Agent
The objectives of this trial are: 1. To evaluate the safety and tolerability of single ascending doses of RVP-001 in healthy adult volunteers 2.
- Trial name
- NCT05413668
- Testing
- RVP-001
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Reveal Pharmaceuticals Inc.
Chronic Kidney Diseases, Cystic Kidney Disease
Contrast-enhanced Ultrasound for Complex Kidney Lesion Diagnosis in Patients With CKD Extension
The purpose of this research study is to evaluate contrast-enhanced ultrasound for kidney malignancies.
- Trial name
- CEUS-CKDx (NCT03196076)
- Testing
- Perflutren Lipid microsphere
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Visual Acuity
Evaluation of Electronic LogMar Visual Acuity and Contrast Sensitivity in a Population of Contact Lens Wearers
This is a bilateral, non-dispensing, randomized, cross-over, single-masked study. There are a total of 3 visits where all study endpoints will be measured in all subjects at baseline with habitual lenses and under the two testing…
- Trial name
- NCT03222037
- Testing
- senofilcon A, Control
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Urinary Tract Infection, Vesicoureteral Reflux
Contrast Enhanced Ultrasound for Evaluation of Reflux Nephropathy
The study will be evaluating the efficacy and safety of a contrast drug in pediatric renal ultrasound.
- Trial name
- NCT02786810
- Testing
- Sulfur hexafluoride type-a lipid microspheres
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Tennessee
Contrast-enhanced MRI With Dotarem
Post-marketing Surveillance Study for Evaluation of Dotarem Safety
Guerbet conducted a non-interventional post-marketing surveillance study on its Magnetic Resonance Imaging (MRI) contrast agent Dotarem (gadoteric acid/gadoterate meglumine).
- Trial name
- NCT03048006
- Testing
- MRI with Dotarem
- Volunteers
- 44,456 people, healthy volunteers welcome
- Sponsor
- Guerbet
Allergic Rhinitis
Topical ASP-1001 (Contrast Media Formulation) and the Acute Response to Nasal Allergen Challenge (NAC)
The purpose of this study is to see whether ASP-1001 when given as a nasal spray is safe and can reduce the signs and symptoms of allergic rhinitis (hayfever) following nasal challenge with antigen.
- Trial name
- NCT00791102
- Testing
- ASP-1001 nasal spray
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Nephropathy
Efficacy of Statins In Prevention of CIN
To determine if statin therapy plus intravenous normal saline, in patients with chronic renal insufficiency undergoing angiography, is superior to placebo plus intravenous normal saline therapy in the prevention of CIN.
- Trial name
- SCIN (NCT01071993)
- Testing
- atorvastatin
- Where
- 2 sites in United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Breast Cancer
Screening Contrast-Enhanced Mammography as an Alternative to MRI
There are women for whom a screening breast MRI is clinically recommended, but not feasible either due to patient factors (body habitus, pacemaker or other implant, claustrophobia) or access (cost, other constraints).
- Trial name
- SCEMAM (NCT04764292)
- Testing
- Contrast-enhanced mammography, Iodinated Contrast Media (ICM)
- Where
- 3 sites in United States
- Volunteers
- 615 people, healthy volunteers welcome
- Sponsor
- Wendie Berg
Healthy
Single Dose Safety, Tolerance and Pharmacokinetic Study in Healthy Volunteers Undergoing Contrast-enhanced Abdominal Computed Tomography (CT)
This is a non-randomized dose-escalating study that will evaluate the safety and tolerability of GE-145 at four different dose levels through the assessment of clinical laboratories, vital signs, physical examinations…
- Trial name
- NCT01004770
- Testing
- GE-145 (AN113111) Injection, Visipaque (iodixanol) Injection
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
Radiocontrast-induced Nephropathy
Mechanisms for the Effect of Acetylcysteine on Renal Function After Exposure to Radiographic Contrast Material
Millions of people receive radiographic contrast material for investigations like CT and coronary angiography. While considered safe in healthy patients, it can cause acute renal impairment.
- Trial name
- NCT00558142
- Testing
- Acetylcysteine, Visipaque 320
- Where
- United Kingdom
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Renal Cell Carcinoma
Non-Contrast Perfusion Using Arterial Spin Labeled MR Imaging for Assessment of Therapy Response in Metastatic Renal Cell Carcinoma
Magnetic Resonance Imaging (MRI) including Arterial Spin Labeling (ASL) will be performed before, during, and after the treatment, in a total of up to 6 MRI sessions until 7 months after the first session, or when progression is…
- Trial name
- NCT04831138
- Testing
- MRI with ASL, ASL-MRI
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Obesity
Microvascular Flow Assessment Repeatability Study: The MARS Study
The purpose of this study is to test a method of imaging (taking a picture) of the abdomen (belly), neck, thigh and calf (lower leg) areas of the body, using ultrasound along with a drug which makes the pictures look clearer.
- Trial name
- MARS (NCT01242020)
- Testing
- Perflutren Lipid Microsphere Injectable Suspension
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania