Clinical trials: Contrast Agent
Contrast Enhanced Ultrasound, Ultrasonic Diagnosis
International Delphi Study to Develop Standardized Quality Criteria and a Rating Tool for Liver CEUS Image Quality Assessment
This study aims to establish international consensus-based quality criteria for contrast-enhanced ultrasound (CEUS) examinations of the liver and to develop a standardized tool for assessing CEUS image and examination quality.
- Conditions
- Contrast Enhanced Ultrasound, Ultrasonic Diagnosis, Liver
- Trial name
- ICON LiverCEUS (NCT07656181)
- Where
- Switzerland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Bern
Pelvic Diseases, Abdominal Diseases
The Study of Functional Magnetic Resonance Imaging in Abdominal and Pelvic Diseases
The purpose of this study is to study the diagnostic efficiency of functional magnetic resonance imaging in Abdominal and Pelvic Diseases.
- Trial name
- NCT02337777
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Tongji Hospital
Multiple Sclerosis
Imaging Multiple Sclerosis Lesions Using Magnevist and Gadavist
The investigators are conducting a magnetic resonance imaging (MRI) study comparing two MRI contrast agents in people with clinically isolated syndrome and relapsing remitting multiple sclerosis (MS).
- Trial name
- NCT01836055
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Wayne State University
Transplantation, Kidney
The Effect of Erythropoietin Usage in Renal Function After Kidney Transplantation, in Early Phase, in Contrast to Placebo Group
The study hypothesis is that erythropoietin usage after kidney transplantation, in early phase, can improve the outcome for patients and their graft increasing patient and graft survival.
- Trial name
- NCT00617474
- Testing
- Erythropoietin
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Labbafinejhad Hospital
Sports
Effects of Contrast Strength Training in Badminton Players
Badminton is one of the most popular sports worldwide. In general, badminton jumping actions have two goals: achieve maximum height and reach a precise location using certain body movements.
- Trial name
- NCT06955091
- Testing
- contrast strength training
- Where
- Pakistan
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Riphah International University
Intracranial Pathology, Intracranial Hypertension
Clinical Efficacy of a Non-Invasive Measure of Intracranial Pressure
This study is designed to evaluate the accuracy of a non-invasive method phase-contrast magnetic resonance imaging (MR-ICP) for assessing intracranial pressure (Phase 1).
- Trial name
- MR-ICP (NCT03212976)
- Testing
- Phase contrast magnetic resonance imaging
- Where
- 2 sites in United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- University of Miami
Methods to Measure Contrast Vision
A Comparative Study of Six Methods to Measure Human Contrast Vision
This study evaluates the relative performance of different methods to measure the human spectral contrast sensitivity function (CSF).
- Trial name
- NCT02767284
- Testing
- UCST-V1, UCST-V2, UCST-V3
- Where
- Sweden
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Esophagus Cancer, Esophageal Cancer
Utility and Usability of ActivSight™ Laser Speckle Imaging in Visualization of Tissue Perfusion and Blood Flow During Esophageal Surgery in Humans
ActivSight™ combines an innovative form factor and proprietary software to deliver precise, objective, real-time visualization of blood flow and tissue perfusion intraoperatively for laparoscope-based surgery.
- Conditions
- Esophagus Cancer, Esophageal Cancer, Esophageal Neoplasms, Esophageal Diseases
- Trial name
- NCT05591053
- Testing
- ActivSight
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Activ Surgical
Colorectal Cancer
The Value of CE-LUS During Robot-assisted Surgery for Primary Colorectal Cancer
Laparoscopic ultrasound examination performed during surgery for primary cancer of the colon and rectum (CRC) has been shown to be able to detect liver metastasis that are not recognized by conventional computer tomography (CT…
- Trial name
- CE-LUS (NCT02457390)
- Testing
- CE-LUS
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital
Nephropathy
A Prospective, Randomized TrialComparing Oral N-Acetylcysteine and Intravenous Sodium Bicarbonate
The purpose of this study is to compare the efficacy of oral N-acetylcysteine and intravenous sodium bicarbonate for the prevention of Contrast-Induced Nephropathy (CIN) after cardiac catheterization.
- Trial name
- PROTECt (NCT00579995)
- Testing
- Oral N-Acetylcysteine, Sodium Bicarbonate
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Contrast Agent, Endothelial Function
The Effect of Contrast Agent on Endothelial Function in Healthy Men
Contrast medium is essential for diagnosis of many diseases. However, recent studies showed that contrast agents can induce renal injury and is associated with poor long-term clinical outcome, especially in diabetes.
- Conditions
- Contrast Agent, Endothelial Function, Cytokines, Apoptosis of Endothelial Progenitor Cell
- Trial name
- NCT01895699
- Testing
- Contrast agent
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiang Guang-da
Carcinoma, Renal Cell, Diagnostic Imaging
Deep Learning for Automated Discrimination Between Stage T1-T2 and T3 Renal Cell Carcinoma on Contrast-Enhanced CT
This study aims to develop and validate a contrast-enhanced CT-based deep-learning model for automatic and accurate preoperative discrimination between T1-T2 and T3 renal cell carcinoma.
- Conditions
- Carcinoma, Renal Cell, Diagnostic Imaging, Pathology, Deep Learning
- Trial name
- NCT07166445
- Testing
- None intervention
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Peking University First Hospital
Kidney
Assessment of Changes in Renal Cortical and Medullary Blood Flow by Contrast Ultrasound
The purpose of this study is to determine if contrast enhanced ultrasound (CEU) using microbubbles, is useful in assessing changes in kidney blood flow.
- Trial name
- NCT00631553
- Testing
- perflutren lipid microspheres
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Retinal Function in Diabetic Patients Without Retinopathy
The primary purpose was to assess, in diabetic patients without diabetic retinopathy and control subjects, color vision, contrast sensitivity, electroretinography, and flicker-induced vasodilatation using the Dynamic Vessel…
- Trial name
- NEURODIAB (NCT00839150)
- Where
- France
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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.
Low Vision
Performance of Rigid Gas Permeable (RGP) Scleral Contact Lenses With a Passive Artificial Iris
Data from 15 healthy subjects will be recorded in two testing sessions spread on two days, using three lens designs (A, B and C).
- Trial name
- RGPIRIS_PA (NCT04040790)
- Testing
- Scleral contact lens without a passive artificial iris, Scleral contact lens with a passive artificial iris with low contrast (<1:5), Scleral contact lens with a passive artificial iris with high contrast (>1:5)
- Where
- Belgium
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Ghent
Breast Cancer, Kidney Neoplasms
Translation of Acoustic Angiography: Contrast Enhanced Super Resolution (CESR) Imaging
This is a 4-arm, single-center study involving 40 participants. Ten healthy volunteers will be enrolled for system imaging optimization, and thirty (30) patients with previously identified lesions in the breast, liver, or…
- Conditions
- Breast Cancer, Kidney Neoplasms, Liver Neoplasms
- Trial name
- NCT07225114
- Testing
- contrast agent perflutren lipid, Ultrasound Imaging
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- UNC Lineberger Comprehensive Cancer Center
Contrast Induced Nephropathy, Remote Ischaemic Preconditioning
Can Remote Ischaemic Preconditioning Reduce Contrast Induced Nephropathy in Patients Receiving Contrast for Computed Tomography?
Computated tomography (CT) is an invaluable medical resource for both physicians and surgeons. Contrast media are an aid to improve the diagnostic yield of CT.
- Trial name
- CT RIPC CIN (NCT01741896)
- Testing
- Remote ischaemic preconditioning
- Where
- Ireland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mid Western Regional Hospital, Ireland
Transient Severe Arterial Phase Motion
Eovist vs. Dotarem Healthy Volunteer MRI
The purpose of this study is to evaluate changes in volunteer breath-holding capacity in response to gadoxetate disodium (Eovist) administration, compared with saline, and gadoterate dimeglumine (Dotarem).
- Trial name
- NCT02431598
- Testing
- gadoxetate disodium, gadoterate dimeglumine, Saline
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Duke University
Heart Failure With Preserved Ejection Fraction (HFPEF)
Mangafodipir - an Intracellular Contrast Agent for Magnetic Resonance Imaging (MRI): Measuring Manganese Uptake Rate in Heart Failure Patients With Preserved Ejection Fraction (HFpEF) Patients.
More than half of heart failure patients have preserved ejection fraction (HFpEF), a condition caused by increased wall stiffness that impairs proper heart filling.
- Trial name
- NCT06731738
- Testing
- Gadoteric acid, Mangafodipir trisodium injection
- Where
- Norway
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- IC TARGETS AS