Clinical Trials About "Evaluation four injection profiles uniform contrast enhanced signal" RSS

05:16 EDT 16th June 2019 | BioPortfolio

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Showing "Evaluation four injection profiles uniform contrast enhanced signal" Clinical Trials 1–25 of 19,000+

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Contrast-enhanced Ultrasound Evaluation of Chemoembolization

The primary objective of this trial is to evaluate the sensitivity and specificity of 2D and 4D contrast enhanced ultrasound for monitoring transarterial chemoembolization (TACE) response 1-2 weeks and 1 month post treatment as an alternative to contrast-enhanced magnetic resonance (MRI) or computed tomography (CT) imaging

Health Economic Evaluation of Primovist-enhanced Liver MRI

Patients with a history of colorectal cancer and known or suspected liver metastases who are scheduled for contrast-enhanced tomographic imaging will be included in this study. After randomization to either Primovist-enhanced MRI, extracellular contrast media (ECCM)-enhanced MRI or contrast-enhanced (CE)-CT outcomes and resource needs of the diagnostic work-up and treatment will be evaluated for each of the three imaging modalities. Main objectives of the study are to assess th...

Comparison of Three Methods for Early Detection of Breast Cancer

Subjects with suspicious breast lesion (BIRADS category 4/5) who are scheduled to undergo biopsy will be recruited to undergo imaging evaluation with Contrast Enhanced Dual Energy Mammography (CEDM), Contrast Enhanced Breast MR (CEMR) and Contrast Enhanced Ultrasound (CEUS).

Evaluation of Gadolinium Deposits in Healthy Women Participating in a High Risk Screening Program for Early Breast Cancer Detection

Purpose: To determine whether patients at high risk to develop breast cancer having received at least 6 cumulative dosages of macrocyclic Gd-based contrast media in the context of breast cancer screening by means of contrast-enhanced MRI. Methods: Diagnostic study encompassing two arms: first, 50 patients having received ≥6 dosages of macrocyclic Gd-based contrast media in the course of MRI-based breast cancer screening will undergo brain MRI assessment for signal alteration...

Contrast Enhanced Ultrasound for Evaluation of Pediatric Abdominal Trauma

The research protocol aims to compare the utility of contrast enhanced abdominal sonography with computerized tomography in the evaluation of children with blunt abdominal trauma. Hemodynamically stable children ages 7-18 who are transferred to Children's Hospital on the trauma service with a CT scan of abdomen & pelvis already performed at the referring institution will be identified by the trauma service as eligible for inclusion. The ultrasounds will be performed by one of ...

Evaluation of Suspected Liver Pathology in Patients With Contraindications for Contrast Enhanced CT and/or MRI

Patients with renal failure or other reason for contraindication for contrast enhanced computed tomography (CECT) or contrast enhanced magnetic resonance imaging (CEMRI) with suspected liver pathology will be evaluated with Sonazoid enhanced Ultrasound

Glucose Enhanced MRI for Metastatic Brain Tumours

This project will compare two MRI contrast agents in metastatic brain tumours in humans. More specifically, the investigators will compare the tumour contrast obtained using glucose versus the current standard gadolinium-based contrast agent (GBCA, gadobutrol, trade name Gadovist, will be used). First, participants will receive a glucose bolus injection followed by glucose enhanced MRI. Second, participants will receive a Gd-DTPA bolus injection followed by Gd-DTPA enhanced ...

Prospective Analysis of Value of Contrast-enhanced Sonography During Biopsies of Focal Liver Masses

We plan to compare complication and success rates between two methods of ultrasound guidance for biopsy of liver lesions, contrast-enhanced and our current protocol without contrast.


Contrast-Enhanced Ultrasound in Diagnosing Patients With Liver Cancer Undergoing Yttrium-90 Radioembolization

This pilot clinical trial studies how well contrast-enhanced ultrasound in diagnosing patients with liver cancer who are undergoing Yttrium-90 radioembolization. Contrast-enhanced ultrasound may provide detailed imaging of the tumor arteries after the injection of a contrast-agent consisting of microbubbles, and may predict how much Yttrium-90 will deposit in the tumor.

Contrast-Enhanced Ultrasound in the Evaluation of Abdominal Injuries in Children

This study proposes to evaluate the accuracy of contrast-enhanced ultrasound (CEUS) in diagnosing abdominal solid organ injuries in pediatric patients. 146 subjects will be enrolled across approximately 8 sites in the US. All subjects will have had a Computerized Tomography (CT) scan as part of standard of care, confirming at least one solid organ abdominal injury. All subjects will have an abdominal ultrasound without contrast, followed by a contrast-enhanced ultrasound using ...

Contrast-Enhanced CT Scan and Contrast-Enhanced MRI in Diagnosing and Staging Liver Cancer in Patients With Chronic Liver Disease

RATIONALE: Diagnostic procedures, such as contrast-enhanced CT scan and contrast-enhanced MRI, may help find liver cancer and find out how far the disease has spread. PURPOSE: This clinical trial is studying contrast-enhanced CT scan and contrast-enhanced MRI in diagnosing and staging liver cancer in patients with chronic liver disease.

Contrast-enhanced Ultrasound for the Evaluation of Complex Renal Cysts

Complex renal cysts are often incidentally detected on imaging. The differential diagnosis of the complex renal cyst includes various benign cystic lesions, which are based on the Bosniak classification scheme. Currently the standard of care in evaluating a complex renal cyst is using a contrast-enhanced computed tomography (CT) scan, or a contrast-enhanced magnetic resonance imaging (MRI) scan. Since both of these modalities present adverse events due to frequent high doses of...

Contrast-Enhanced Ultrasound in Predicting Treatment Response in Patients With Liver Cancer Receiving Transarterial Chemoembolization With Drug Eluting Beads

This pilot clinical trial compares the use of contrast-enhanced ultrasound to contrast-enhanced magnetic response imaging (MRI), the current clinical standard, in predicting treatment response in patients with liver cancer receiving transarterial chemoembolization with drug eluting beads. Comparing results of diagnostic procedures before and after transarterial chemoembolization may help doctors predict a patient's response to treatment and help plan the best treatment. It is n...

Evaluation of the High-resolution, Contrast Enhanced Low-dose Breast-CT

The aim of this study is the clinical establishment of a native and contrast-enhanced computer tomography of the breast. The early detection of breast cancer is still a great challenge. Even though the implementation of the digital mammography combined with the mandatory screening-programs lead to significant improvements, sensitivity and specificity of these examinations need to be clearly classified as improvable. Generally, it is stated that the necessary transit from 2-D pr...

Phase Ib, Administration the IOP Injection for MRI Contrast Agent in Healthy Subjects

The objective of the study is to assess the dose dependent changes in MRI signal intensity (SI) in liver after IOP Injection intravenous administration in healthy volunteers.

Evaluation of Diagnostic Accuracy of Contrast Enhanced Dual Energy Mammography Imaging in Comparison to CE-MRI

Clinical study to evaluate diagnostic accuracy of low dose contrast enhanced dual energy mammography imaging (CEDEM+PRIME) in comparison with CE-MRI The primary objective of this clinical study is to assess diagnostic accuracy in breast cancer detection in Contrast Enhanced Dual Energy Mammography compared to CEMRI. Sensitivity and specificity will be compared for both modalities.

Contrast-Enhanced Ultrasound for Kidney Transplant

Contrast-enhanced ultrasound (CEUS) is a promising non-invasive imaging tool that may aid in the early detection of kidney transplant complications, such as delayed graft function (DGF) and acute allograft rejection. The technique uses an intravenous contrast agent to improve organ visualization with standard duplex ultrasound equipment. A number of FDA-approved agents, including Optison, Definity and Lumason are widely used to improve visualization in technically limited echoc...

Effectiveness of Contrast-Enhanced Ultrasound

The purpose of the study is to generate pilot data describing test characteristics of contrast enhanced ultrasound in young children with concern for abdominal trauma. The primary objective in this study is to determine the sensitivity and specificity of contrast-enhanced ultrasound (CEUS) compared to abdominal Computed Tomography (CT) in the detection of abdominal solid organ injury in young children < 8 years of age with concern for blunt abdominal trauma.

Dotarem Evaluation for Myocardial Perfusion CMR

The overall goal of this study is to investigate the signal intensity and relaxation rate characteristics of gadoterate meglumine (Dotarem, Guerbet, USA) enhanced myocardium during rest and stress perfusion cardiovascular magnetic resonance (CMR) compared to gadobutrol (Gadavist) to prove that Dotarem provides constantly high myocardial relaxation necessary for accurate quantitative perfusion evaluation. The purpose of this study is to compare two types of contrast that patien...

Role of Contrast Enhanced Spectral Mammography to Predict Upgrade Rates of Biopsy Proven Atypical Ductal Hyperplasia

This research study is studying whether contrast enhanced mammography can predict if atypical ductal hyperplasia will progress to cancer. The device involved in this study is: -Contrast enhanced mammography

Can Contrast-Enhanced Spectral Mammography Improve the Accuracy of a Diagnosis

The purpose of this study is to test whether contrast-enhanced spectral mammography (CESM) may be able to reduce the number of unnecessary biopsies in women whose screening mammograms had abnormal findings.

Improving Characterization of Calcifications With Contrast-Enhanced Mammography

The purpose of this study protocol is to assess whether contrast-enhanced mammography (CEM) will increase the accuracy of characterization of microcalcifications detected on screening mammography prior to biopsy as either benign, high risk, or malignant.

Contrast-Enhanced Ultrasound in Predicting Treatment Response in Patients With Kidney Cancer Undergoing Cryosurgery

This pilot clinical trial compares the imaging results of contrast-enhanced ultrasound to contrast-enhanced magnetic resonance imaging (MRI) or computed tomography (CT), the current clinical standard, in predicting treatment response in patients with kidney cancer undergoing cryosurgery (a procedure in which an extremely cold liquid or an instrument called a cryoprobe is used to freeze and destroy abnormal tissue). Using contrast-enhanced ultrasound that does not involve a dye ...

Liver MRI for Colorectal Cancer Liver Metastasis: Comparative Effectiveness Research for the Choice of Contrast Agents

Magnetic resonance imaging (MRI) has been widely used for problem-solving tool in the evaluation of hepatic lesions, and it has been shown to have better sensitivity than CT for detection of colorectal liver metastases, especially for lesions which are smaller than 1 cm. After introduction of a liver-specific hepatobiliary MR contrast agent, gadoxetic acid, gadoxetic acid-enhanced MRI (Gd-EOB-MRI) has been increasingly used for evaluation of liver lesion including CRLM. However...

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 diagnostic mammography and ultrasound as benign or likely benign with what would otherwise require biopsy for confirmation.

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