Clinical trials: Contrast Media
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
Aortic Aneurysm
Patient Tailored Contrast Volume for Preoperative CT Angiography of the Aorta
An in-house calculator was developed to calculate the appropriate contrast dose, rather than standardly administering a 120ml dose.
- Trial name
- NCT05716568
- Testing
- Contrast dose reduction, CT-angiography
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Breast Cancer, Breast Diseases
Contrast-Free Magnetic Resonance Imaging for Breast Disease
Prospective, observational cohort study looking at patients either at risk of breast cancer or have clinically suspected breast to assess the diagnostic performance of quantitative, non-contrast MRI.
- Trial name
- IMOGEN (NCT05006196)
- Testing
- Outpatient MRI
- Where
- United Kingdom
- Volunteers
- 1,030 people, healthy volunteers welcome
- Sponsor
- Perspectum
Thyroid Dysfunction
Serum Thyroid Function After Iodinated Contrast Administration
This study investigated the changes in serum thyroid function and urinary iodine levels before and after the use of iodinated contrast to analyze the prevalence of thyroid dysfunction in the Chinese euthyroid adults after using…
- Trial name
- NCT05786846
- Testing
- Iodinated contrast agents
- Where
- China
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Peripheral Vascular Disease
RCT to Evaluate the Renal Protective Effects of Remote Ischaemic Preconditioning in Peripheral Angioplasty
This study aims to demonstrate if remote ischaemic preconditioning (RIPC) may confer renal protection in patients undergoing peripheral angioplasty.
- Trial name
- NCT02054871
- Testing
- RIPC
- Where
- Ireland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mid Western Regional Hospital, Ireland
Myopia, Myopia Progression, Lag of Accommodation, Hyperopic Retinal Blur, Reduction in Contrast
Lag of Accommodation With DOT Spectacle Lenses
The objective of the study is to measure the difference in the lag of accommodation between DOT spectacle lenses and control spectacles.
- Trial name
- ASH (NCT04700111)
- Testing
- DOT Pattern, Control Spectacles
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Refractive Errors
Comparison of Higher Order Aberrations and Contrast Sensitivity Between Acrysof SN60AT, SN60WF and Restore Intraocular Lenses
This project involves evaluation of post operative contrast sensitivity and wavefront aberration results among patients implanted with standard monofocal lenses (Acrysof SN60AT/SN60WF) and the new presbyopic correcting multifocal…
- Trial name
- NCT00345085
- Testing
- Wavefront and Contrast Sensitivity
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
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
Chronic Total Occlusion of Coronary Artery
REduction of Contrast Via DyeVert Used in CTO Procedures
The is an observational, prospective study to evaluate the effect of the DyeVert System on contrast volume administration in patients undergoing clinically-indicated chronic total occlusion (CTO) percutaneous coronary…
- Trial name
- REDUCe (NCT03118544)
- Testing
- DyeVert System
- Where
- 3 sites in United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Minneapolis Heart Institute Foundation
AKI - Acute Kidney Injury
Allopurinol and Trimetazidine as a Preventive of Acute Kidney Injury in PCI Patients
Contrast-associated acute kidney injury (CA-AKI) is a common complication of procedures with intravascular contrast. Generally, CA-AKI is defined as serum creatinine (Scr) ≥ 25 to 50% or Scr rise around 0.3 to 0.5 mg/dl.
- Trial name
- NCT05540184
- Testing
- Trimetazidine 35 mg, Allopurinol 300 MG, Normal saline
- Where
- Egypt
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Resistance Training
Contrast Training, Post-activation Countermovement Jump Performance in High Strength Male
The study investigated the effects of three contrast training sessions in a week on post-activation countermovement jump performance in high strength male.
- Trial name
- NCT05987046
- Testing
- Contrast training
- Where
- Taiwan
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- National Taiwan Sport University
Oocyte Competence
Modulation Contrast Microscopy Imaging for Oocyte Quality Assessment
The present study aims to describe novel non-invasive parameters related to the competence of female reproductive cells (oocytes).
- Trial name
- NCT03683290
- Testing
- Image acquisition and analysis
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Center for Reproductive an Genetic Health
Acute Kidney Injury (Nontraumatic)
Study of CXA-10 in Healthy Volunteers
This will be the first-in-human (FIH) study with CXA-10. The main purpose of this trial is to demonstrate the tolerability, safety and pharmacokinetics (PK) of CXA-10 at various incremental doses, and to demonstrate the safety…
- Trial name
- NCT02127190
- Testing
- CXA-10 emulsion
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Complexa, Inc.
Routine Outpatients Undergoing Contrast Enhanced CT Scan of the Abdomen and Pelvis
The Impact of Oral Contrast in Multidetector CT of the Abdomen and Pelvis on Radiologist Confidence
The investigators seek to demonstrate the non-superiority of oral contrast versus no oral contrast in intravenously enhanced CT in the outpatient setting.
- Trial name
- NCT01655550
- Testing
- Withhold oral contrast
- Where
- United States
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Cataract, Traffic Accident
Validation of Mesopic and Photopic Contrast Vision Tests With Respect to Nighttime Driving Ability
A) The main purposes of this study are (i) to develop a related virtual reality (VR) environment in order to judge the nighttime driving ability under mesopic and under glare conditions (ophthalmologically healthy subjects and…
- Conditions
- Cataract, Traffic Accident, Vision Disorders, Driving Impaired
- Trial name
- ContrastVal (NCT03169855)
- Testing
- Slit lamp (LOCS III Score)
- Where
- Germany
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Aalen University
Sickle Cell Disease, Sickle Cell Anemia
Microvascular Blood Flow in Sickle Cell Anemia
Sickle cell disease (SCD) is an inherited blood disorder that causes the red blood cells to change their shape from a round shape to a half-moon/crescent or sickled shape.
- Trial name
- NCT01566890
- Testing
- regadenoson infusion with contrast-enhanced ultrasound, contrast-enhanced ultrasound
- Where
- 2 sites in United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Versiti Blood Health
Intracranial Aneurysm
Contrast-enhanced Magnetic Resonance Angiography Investigation of Intracranial Aneurysms and Prospective Study of Risk Factors
This is a prospective observational registry with intent to detect the prevalence of intracranial aneurysms with contrast-enhanced MR angiography (CE-MRA) at 1.5T, and to determine the risk factors such as high blood pressure and…
- Trial name
- EIIA (NCT00997698)
- Where
- China
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Second Military Medical University
Spontaneous Coronary Artery Dissection
A Study of SCAD Using Stress Contrast Echocardiography
This study aims to fill knowledge gaps regarding microvascular perfusion and pressor response to stress among patients with history of spontaneous coronary artery dissection (SCAD) using stress contrast echocardiography.
- Trial name
- NCT07178509
- Testing
- Stress Echocardiography with Contrast
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Breast Neoplasms
CT-AI Breast Cancer Opportunistic Screening Health Examination Study
This study evaluates the clinical utility of a locked chest CT artificial intelligence model for opportunistic breast cancer screening among women undergoing health examinations.
- Trial name
- NCT07809698
- Testing
- CT-AI-assisted breast cancer screening
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
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