Clinical trials: Contrast Agent
Contrast Enhancement in Magnetic Resonance Imaging, Central Nervous System Pathology
A Study to Compare How Well Gadoquatrane Works and Its Safety With an Already Available Contrast Agent for MRI in People With Known or Suspected Brain or Spinal Cord-related Problems
Researchers are looking for a better way to help people with known or suspected brain or spinal cord-related problems scheduled for a "contrast-enhanced" Magnetic Resonance Imaging (MRI).
- Trial name
- Quanti CNS (NCT05915702)
- Testing
- Gadoquatrane (BAY1747846), Gadobutrol, Gadoterate meglumine
- Where
- 78 sites in United States, Argentina and 13 more
- Volunteers
- 321 people
- Sponsor
- Bayer
Breast Neoplasms
Contrast Enhanced Mammography in Diagnosing Patients With Suspicious Breast Findings
This pilot trial studies how well contrast enhanced mammography works in diagnosing patients with suspicious breast findings. Diagnostic procedures, such as contrast enhanced mammography, may help to reclassify findings seen on…
- Trial name
- NCT03929783
- Testing
- Contrast Enhanced Digital Mammography
- Where
- United States
- Volunteers
- 107 people
- Sponsor
- Thomas Jefferson University
Breast Cancer
Intraoperative Radiotherapy for Early Stage Breast Cancer
Up to 200 patients with biopsy proven early stage breast cancer selecting Wide Local Excision (WLE) will undergo mammography, ultrasound (of affected breast and ipsilateral axilla) and contrast enhanced-magnetic resonance imaging…
- Trial name
- IORT (NCT01189851)
- Testing
- Intraoperative Radiotherapy
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Hoag Memorial Hospital Presbyterian
Immunotherapy
Compatibility and Immunogenicity of a Short Specific Immunotherapy (SIT) in Contrast to Classic Specific Immunotherapy
We wanted to examine the immunogenicity and safety of a shortened specific immunotherapy in contrast to the standard specific immunotherapy.
- Trial name
- NCT00540150
- Testing
- specific subcutaneous immunotherapy house dust mite allergoid (Novo-Helisen Depot)
- Where
- Germany
- Volunteers
- 34 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Vision, Low, Mobility Limitation
Evaluating Stairway Designs for Individuals With Vision Impairment
The goal of this study is to learn if contrast frequency on step tread-edges influences foot clearance measures, a marker of fall risk, in older adults with and without visual impairments.
- Trial name
- NCT07337317
- Testing
- Frequency of contrast marking on stair steps
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- The University of Alabama in Huntsville
Color Blindness, Red, Reaction Time
Effect of Protanopia on the Brightness Perception of Brake Lights
The aim of the offered project is to investigate the influence of protanopia (red blindness) or protanomaly (red vision weakness) on the recognizability of red brake lights with the help of a test person study.
- Trial name
- ProLight (NCT04060238)
- Testing
- Anomaloscope (colour vision test)
- Where
- Germany
- Volunteers
- 16 people
- Sponsor
- Aalen University
Contrast-associated Acute Kidney Injury
An Observational Study of Percutaneous Glomerular Filtration Rate (TGFR) in the Early Warning of Contrast-induced Acute Kidney Injury During the Peri-examination Period of Emergency Enhanced CT
This is a single-center, prospective observational study. We aim to evaluate the performance of transdermal glomerular filtration rate (TGFR) compared with baseline estimated glomerular filtration rate (eGFR) for early prediction…
- Trial name
- NCT07850947
- Testing
- Transdermal glomerular filtration rate (TGFR) monitoring
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Von-Hippel Lindau, Kidney Disease, Chronic
Contrast-enhanced Ultrasound as a Screening Tool for Kidney Cancer in Patients With Von-Hippel Lindau
The purpose of this study is to determine if contrast-enhanced ultrasound can detect abnormal features of kidney lesions in patients with Von-Hippel Lindau with the same accuracy as conventional ultrasound and contrast-enhanced…
- Trial name
- CEUS-VHL (NCT03907657)
- Testing
- Perflutren lipid microsphere, Sulfur hexafluoride lipid microspheres
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- UNC Lineberger Comprehensive Cancer Center
Retinitis Pigmentosa
Coloured-light in Retinitis Pigmentosa.
This study will assess the effect of 2 different colours of light on colour vision in adults with retinitis pigments (RP). Participants will be 18 years or above with a genetically confirmed molecular diagnosis of RP.
- Trial name
- CLIRP (NCT06224114)
- Testing
- Coloured-light torch, Different coloured-light torch
- Where
- United Kingdom
- Volunteers
- 70 people
- Sponsor
- University College, London
Renal Insufficiency, Contrast Medium-induced Renal Insufficiency
Renal PRotection Against Contrast mEdium-induced nephroPathy in High Risk Patients undErgoing Coronary Angiography
This study evaluates the efficacy of remote ischemic preconditioning on preventing contrast medium-induced nephropathy in a population of high risk patients undergoing coronary angiography.
- Trial name
- PREPARE (NCT02463604)
- Testing
- Coronary Angiography
- Where
- France
- Volunteers
- 220 people
- Sponsor
- University Hospital, Angers
Prostate Cancer
Multiparametric MRI for Prostate Cancer Localization and Characterization: New Methods
The purpose of this study is to determine the ability of several new MRI techniques (MR elastography, dynamic contrast-enhanced MRI with gadofosveset, and oscillating gradient diffusion) to determine the location, size, and grade…
- Trial name
- NCT01761812
- Testing
- MRI with gadofosveset and MR elastography
- Where
- Canada
- Volunteers
- 5 people
- Sponsor
- Sunnybrook Health Sciences Centre
Endovascular Abdominal Aortic Aneurysm Repair
Contrast Ultrasound in the Surveillance of Endovascular Abdominal Aortic Aneurysm Repair
The purpose of this study is to support the suspected expectation that Contrast enhanced Ultrasound (CUS) detects all endoleaks that have been detected by Computed Tomography (CT), and also find a number of leaks missed by CT.
- Trial name
- NCT01022892
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
Intraocular Lens
Visual Outcomes and Contrast Sensitivity in Patients Implanted With Tecnis Eyhance Intraocular Lens
To compare visual outcomes for various distances, reading speed, contrast sensitivity, glare occurence, defocus curve and subjective satisfaction in patients implanted with the extended depth of focus lens (Tecnis Eyhance) in one…
- Trial name
- NCT04800887
- Testing
- TECNIS Eyhance intraocular lens, Monofocal intraocular lens Tecnis ZCB00
- Where
- Czechia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Breast Cancer
Digital Mammography for the Detection and Preoperative Staging of Breast Cancer
Breast tumors are normally seen with mammography or ultrasound without the use of a dye but the size and extent of the tumor may be hard to see.
- Trial name
- NCT01086514
- Testing
- Dual Energy Contrast Enhanced Digital Mammography (DE CEDM)
- Where
- United States
- Volunteers
- 82 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
D-Transposition of Great Arteries, Tetralogy of Fallot
Myocardial Contrast Echocardiography in Congenital Heart Disease
Patients with congenital heart disease in whom the right ventricle is exposed to pressure or volume overload show progressive systolic dysfunction of the right ventricle, the fact of which conveys substantial morbidity and…
- Trial name
- NCT00412685
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Ovarian Cancer, Adnexal Lesion
Contrast-enhanced Ultrasound Evaluation of Indeterminate Ovarian Lesions: Prospective Multicenter Study
The goal of this clinical trial is to learn how well contrast-enhanced ultrasound (CEUS) can diagnose ovarian cancer in patients with indeterminate or suspicious ovarian/adnexal lesions identified on routine ultrasound or MRI.
- Trial name
- NCT07849543
- Testing
- Contrast-Enhanced Ultrasound (CEUS)
- Volunteers
- 190 people
- Sponsor
- Thomas Jefferson University
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
Breast Cancer
Comparison of CE-DBT and MRI in Patients With Known Breast Lesions
The purpose of this pilot study is to compare radiologist confidence level in evaluating patients with known breast lesions between contrast enhanced digital breast tomosynthesis (CE- DBT) and contrast enhanced dynamic magnetic…
- Trial name
- NCT05754749
- Testing
- Iohexol 350 Mg/mL Injectable Solution
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- UNC Lineberger Comprehensive Cancer Center
Contrast Induced Nephropathy
Assessment of the Effect of Atorvastatin on Prevention of CIN in Patients Undergoing Coronary Angiography
As the effect of statin use before the angiography to prevent contrast induced nephropathy (CIN) is not well-known, the aim of the current study is to assess the effect of atorvastatin on prevention of CIN in patients undergoing…
- Trial name
- CIN (NCT02113540)
- Testing
- Atorvastatin
- Where
- Iran
- Sponsor
- Isfahan University of Medical Sciences
Ophthalmological Disorder
Effect of Binocular Treatment Using a Dichoptic Reading Application in Children With Convergence Insufficiency.
Convergence insufficiency is a common disorder of binocular vision that can appear as early as childhood after visual effort, and is often associated with a variety of symptoms such as eyestrain, headaches, blurred vision and…
- Trial name
- ALEDICE (NCT06465615)
- Testing
- Self-education with dichoptic reading on tablet, Conventional orthoptic rehabilitation
- Volunteers
- 26 people
- Sponsor
- University Hospital, Montpellier
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