Clinical trials: Contrast Agent
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
Physical Performance
Contrast Training and Volleyball Players' Jumping Ability
The aim of the study was to compare the effects of three 10-week training interventions on vertical jump performance in volleyball players.
- Trial name
- NCT07799701
- Testing
- Elastic Band-Assisted Contrast Training (G_CNT), Contrast Training (CNT), Complex Training (CTRL)
- Where
- Poland
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Gdansk University of Physical Education and Sport
Low Vision Aids
Comparative Effect of Cylindrical Lenses Verses Spherical Equilient on Contrast Sensitivity
the concept of spherical equivalent plays a pivotal role in simplifying the prescription and enhancing communication between eye care professionals and patients.
- Trial name
- NCT06407336
- Testing
- Contrast sensitivity, Refraction
- Where
- Pakistan
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Superior University
Breast Cancer Female, Breast Cancer
Tomosynthesis vs. Contrast-Enhanced Mammography in Women With Personal History of Breast Cancer in Western Pennsylvania
This is a prospective clinical trial that will examine if contrast-enhanced mammography substantially improves breast cancer detection compared to mammography with tomosynthesis, with minimal increase in false-positives, in women…
- Conditions
- Breast Cancer Female, Breast Cancer, Breast Neoplasms, Neoplasms
- Trial name
- TOCEM (NCT04085510)
- Testing
- Contrast-enhanced mammogram
- Where
- 3 sites in United States
- Volunteers
- 1,647 people, healthy volunteers welcome
- Sponsor
- Wendie Berg
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
Acute Myeloid Leukemia
Bone Marrow Angiogenesis in Acute Myeloid Leukemia - Evaluated by Dynamic Contrast Enhanced Magnetic Resonance (MR) Image
In malignant or neoplastic disease, angiogenesis is defined as the generation of new capillaries from preexisting blood vessels, e.g. by sprouting or by intusseption.
- Trial name
- NCT00172562
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Cataract, Pseudophakia
Wavefront Analisys and Contrast Sensitivity of Spherical and Aspherical Intraocular Lenses
Purpose:To compare visual performance, total and high order wavefront aberrations (coma, spherical aberration and other terms) and contrast sensitivity in eyes implanted with one monofocal aspheric intraocular lens (IOL) and two…
- Trial name
- NCT00347243
- Testing
- phacoemulsification (cataract surgery)
- Where
- Brazil
- Volunteers
- healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Heart Attack
Efficacy of Non Contrast DWI(Diffusion Weighted Imaging) Imaging Compared to DMR-DE
Use of MRI and DWI to diagnose cardiac scarring after heart attack.
- Trial name
- NCT01820000
- Testing
- Diffusion Weighted Imaging with MRI scans
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
Takayasu's Arteritis, Giant Cell Arteritis
Carotid Artery Neovascularization in Takayasu's and Giant Cell Arteritis
The purpose of this study is to evaluate the ability of contrast enhanced carotid ultrasound to serve as an indicator of disease activity in patients with Takayasu's arteritis or Giant Cell arteritis and to determine if patients…
- Conditions
- Takayasu's Arteritis, Giant Cell Arteritis, Arteritis, Vasculitis
- Trial name
- NCT01795456
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Myopia
Tolerability of a Novel Spectacle Design With Reduced Peripheral Contrast
Prospective, randomized, subject-masked 3-arm clinical study to assess the pediatric acceptability across three iterations of a novel spectacle lens design.
- Trial name
- WALNUT (NCT03761758)
- Testing
- Spectacle lenses
- Where
- Canada
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Nephropathy
Evaluating the Protective Effect of Pentoxifylline on Contrast Induced Nephropathy
Contrast induced nephropathy (CIN) is of great concern when using contrast media in the new era of medicine. CIN is defined as 25-50% relative increase, 0.5-1 absolute increase in serum creatinin value or 25% fall in GFR.
- Trial name
- NCT01469624
- Testing
- Pentoxifylline
- Where
- Iran
- Volunteers
- healthy volunteers welcome
- Sponsor
- Shiraz University of Medical Sciences
Contrast-induced Nephropathy
Efficacy Study of Vitamin D to Treat Contrast-induced Nephropathy
The investigators planned to research the effect of vitamin D supplementation on the incidence of contrast-induced nephropathy in patients undergoing coronary angiography.
- Trial name
- NCT02489240
- Testing
- vitamin D3 tablets
- Where
- China
- Volunteers
- 306 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital
Magnetic Resonance Imaging
Phase I , MTD, Pharmacokinetic, Safety/Tolerability, Efficacy of IOP Injection for MRI in Healthy Subjects
Study Objectives Primary: To determine MTD and dose limiting toxicities (DLTs) of IOP magnetic resonance imaging (MRI) contrast agent in healthy subjects. Secondary: 1.
- Trial name
- NCT02744248
- Testing
- IOP Injection, 0.9% normal saline
- Where
- Taiwan
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- MegaPro Biomedical Co. Ltd.
Venous Insufficiency of Leg, Venous Leg Ulcer
Non Contrast MRI in Lower Extremity
We collected retrospectively the non contrast MRI in chia yi memorial hospital for different venous disease of lower extremity morphology and flow ananlysis were done.
- Conditions
- Venous Insufficiency of Leg, Venous Leg Ulcer, Venous Occlusion, Contrast Media Reaction
- Trial name
- NCT04995432
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Myopia
Visual Outcomes and Contrast Sensitivity After Myopic LASIK
Evaluate visual outcomes and contrast sensitivity for subjects undergoing bilateral myopic LASIK procedure using the 200 kHz WaveLight® FS200 Femtosecond Laser and the WaveLight® Allegretto Wave® Eye-Q Laser.
- Trial name
- NCT01746589
- Testing
- bilateral myopic LASIK
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Daniel S. Durrie, 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
Myocardial Ischemia
Ischemic Memory Imaging With Myocardial Contrast Echocardiography
The overall aim of this study is to determine whether non-invasive imaging with myocardial contrast echocardiography using can provide information on the presence and spatial extent of recent myocardial ischemia by non-invasive…
- Trial name
- NCT03009266
- Testing
- Sonazoid
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Osteoarthritis of Acromioclavicular Joint
Ultrasound Examination and Guided Injection Into the Acromio-clavicular Joint
Is it possible to improve the accuracy of injection into the acromio-clavicular joint with the use of ultrasound?
- Trial name
- NCT01628796
- Testing
- contrast material injection
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Baruch Padeh Medical Center, Poriya
Healthy
Multi-organ Transit Time Acquisition Using Contrast Ultrasound
Echocardiographic contrast will be administered to volunteers for the purpose of measuring transit time through various organs/vascular beds
- Trial name
- NCT05135169
- Testing
- Definity Suspension for Injection
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center