Clinical trials: Contrast Agent
Clear Cell Renal Cell Carcinoma, Prognostic Cancer Model
Contrast-enhanced CT-based Deep Learning Model for Preoperative Prediction of Disease-free Survival (DFS) in Localized Clear Cell Renal Cell Carcinoma (ccRCC)
This study aims to preoperatively predict DFS of patients with localised ccRCC using a deep learning prognostic model based on enhanced contrast CT images, validate it's predictive ability in multicentre data and compare it's…
- Conditions
- Clear Cell Renal Cell Carcinoma, Prognostic Cancer Model, Recurrent Renal Cell Cancer
- Trial name
- NCT06088134
- Where
- China
- Volunteers
- 800 people
- Sponsor
- Mingzhao Xiao
Contrast-Induced Nephropathy
Sodium Bicarbonate Versus Saline for the Prevention of Contrast-induced Nephropathy
Contrast-induced nephrophaty (CIN) accounts for more than 10% of hospital-acquired renal failure. Hydration with sodium bicarbonate is more protective than isotonic saline in animals. Limited data are available in humans.
- Trial name
- NCT00606827
- Testing
- Sodium Bicarbonate, Isotonic Saline
- Where
- Italy
- Volunteers
- 500 people
- Sponsor
- Ospedale Misericordia e Dolce
Renal Tumors
Development of AI Model for Renal Tumor Diagnosis Using CT and Lab Tests
This multi-center retrospective study aims to develop a multimodal artificial intelligence diagnostic model using preoperative contrast-enhanced CT images and routine laboratory parameters from patients with renal tumors.
- Trial name
- NCT06761742
- Where
- China
- Volunteers
- 1,922 people
- Sponsor
- RenJi Hospital
Abdominal Trauma
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.
- Trial name
- NCT01763840
- Testing
- Contrast enhanced Ultrasound
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- David Mooney
Non Mass Breast Lesions
Diagnostic Accuracy of Multiparametric Dynamic Contrast Enhanced Magnetic Resonance Imaging in Improving Detection of Ultrasound Non-mass Breast Lesions According to ACR BI-RADS v2025
this study aims To evaluate the diagnostic performance of Ultrasound (US) in correlation with Dynamic Magnetic Resonance Imaging (MRI) for the assessment, characterization, and evaluation of non-mass breast lesions.
- Trial name
- NCT07679308
- Testing
- multiparametric DCE- MRI and US for all patients
- Volunteers
- 60 people
- Sponsor
- Sohag University
Infertility
Warming Contrast Media for Hysterosalpingography
The purpose of this study is to compare the use of warm-media with cold-media in performing hysterosalpingography (HSG).
- Trial name
- NCT01339338
- Testing
- warming the contrast media
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Taizhou Hospital
Contrast Induced Nephropathy, Critically Ill
N-Acetylcysteine in Critically Ill Patients Undergoing Contrast Enhanced Computed Tomography
Critically ill patients frequently undergo contrast enhanced computed tomography (CT) to establish diagnoses and direct management. Contrast agents can disturb kidney function and result in kidney dysfunction.
- Trial name
- NCT00830193
- Testing
- N-acetylcysteine
- Where
- 2 sites in Canada
- Volunteers
- 45 people
- Sponsor
- Unity Health Toronto
Radiofrequency Ablation, Ultrasonography
Added Value of Contrast-enhanced Ultrasonography for Percutaneous Radiofrequency Ablation
Contrast-enhanced ultrasonography (CEUS)-CT/MRI fusion imaging substantially improved the visibility of small tumors that were inconspicuous on both US and US-CT/MRI fusion imaging, contributing to successful percutaneous…
- Conditions
- Radiofrequency Ablation, Ultrasonography, Liver Tumors
- Trial name
- NCT05445973
- Testing
- Percutaneous Radiofrequency Ablation
- Where
- South Korea
- Volunteers
- 248 people
- Sponsor
- Seoul National University Hospital
Critical Lower Limb Ischemia, Abdominal Aortic Aneurysms
The Use of Carbon Dioxide as a Contrast Media for Performing Endovascular Procedures
Prospective randomized comparison between endovascular procedures performed with iodinated contrast or carbon dioxide as intraarterial contrast.
- Trial name
- NCT01861327
- Testing
- CO2, Iodine contrast media
- Where
- Brazil
- Volunteers
- 120 people
- Sponsor
- Nelson Wolosker
HCC - Hepatocellular Carcinoma
Comparison of Gd-EOB-DTPA-enhanced MRI and Contrast-enhanced Ultrasound for Measuring Tumor Size of Solitary Hepatocellular Carcinoma ≤ 5cm:A Retrospective Study
Knowing the tumor size before operation is of great significance to the choice of treatment methods of surgeons and the prognosis of patients.
- Trial name
- NCT06437457
- Testing
- ceus
- Where
- China
- Volunteers
- 194 people
- Sponsor
- Anhui Medical University
Aortic Valve Stenosis
Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation
The overall objective of this proposal is to examine the feasibility and accuracy of non-contrast magnetic resonance angiography (MRA) to comprehensively evaluate individuals referred for transcatheter aortic valve implantation…
- Trial name
- NCT02007967
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Michigan
Hepatic Malignant Tumors, Hepatic Perfusion Disorders
Correlation Between CEUS Identification of Nodular HPD on CE-MRI and Hepatic Malignant Lesions
Hepatic malignant tumors are a category of diseases with high incidence and mortality rates worldwide, including various types such as primary hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (ICC), and liver…
- Trial name
- NCT06816212
- Where
- China
- Volunteers
- 280 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
COPD
Assessment of Lung Perfusion in Patients With Chronic Obstructive Pulmonary Disease Using FD MRI
In the recent years a novel method for functional lung imaging called Fourier decomposition MRI (FD MRI) has been introduced that allows for simultaneous assessment of regional lung perfusion and ventilation-related information…
- Trial name
- FD-COPD (NCT02367209)
- Where
- Switzerland
- Volunteers
- 14 people
- Sponsor
- University Hospital, Basel, Switzerland
Contrast-induced Nephropathy
Red Blood Cell Distribution Width as a Marker of Contrast Induced Nephropathy in Patients With Coronary Intervention
Contrast Induced Nephropathy is an acute renal insufficiency defined as a 25% or 0.5 mg/dl increase over the baseline of the serum creatinine level 24 h to 72 h after intravascular administration of a contrast agent.
- Trial name
- NCT03164681
- Volunteers
- 126 people
- Sponsor
- Assiut University
Hypothyroidism
Pediatric Risk of Hypothyroidism With Iodinated Contrast Media
This is a Phase 4 multicenter prospective study to estimate the proportion of patients aged birth to 3 years who develop hypothyroidism within 6 months after receiving intravascular iohexol (Omnipaque™), iodixanol (Visipaque™)…
- Trial name
- NCT03631771
- Testing
- Iohexol, Iodixanol, Iopromide
- Sponsor
- GE Healthcare
Thyroid Papillary Carcinoma, Contrast Enhanced Ultrasound
Preoperative Prediction of Lymph Node Metastasis in T1N0M0 Papillary Thyroid Carcinoma by Using Contrast-enhanced Ultrasound
Similarly, the burden of central lymph node metastasis affects the individualized management of patients with T1N0M0 papillary thyroid carcinoma (PTC): lymph node metastasis is a contraindication to thermal ablation; low-burden…
- Trial name
- NCT07357571
- Where
- 2 sites in China
- Volunteers
- 600 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Contrast-induced Nephropathy, Acute Kidney Injury
Contrast Nephropathy Associated FFA
After the use of iodinated contrast agents, there is a risk of developing contrast nephropathy. Limited data in the literature are available on the incidence of contrast nephropathy after fluorescein angiography (FFA), which is…
- Trial name
- NCT06418542
- Testing
- use of florescein
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people
- Sponsor
- Saglik Bilimleri Universitesi
Neurocognitive Disorders
Evaluating the Long-term Neurocognitive Effects of Preconceptional Exposure to Iodinated Contrast on the Offspring
Iodinated contrast is commonly used in hysterosalpingography (HSG), a diagnostic tool in fertility work-up. This study aims to investigate the safety of contrast media used during HSG by evaluating the long-term effects on the…
- Trial name
- Neuro-H2Oil (NCT05168228)
- Testing
- Oil- versus waterbased contrast in hysterosalpingography (HSG)
- Where
- Netherlands
- Volunteers
- 64 people
- Sponsor
- Amsterdam UMC, location VUmc
Primary CNS Lymphoma (PCNSL)
Treatment of Primary CNS Lymphoma
The purpose of this study is to evaluate the efficacy and safety of FVD regiment (fotemustine, teniposide and dexamethasone ) for patients with primary CNS lymphoma.
- Trial name
- FVD (NCT01960192)
- Testing
- HD-MTX-Ara-C regimen, FVD regimen
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Mingzhi Zhang
Valvular Heart Disease Stenosis and Regurgitation
Different Methods of Cardiac MRI in Assessment of Estimated Corrected Ejection Fraction in Valvular Heart Diseases
Comparative study between Phase Contrast , Modified Simpson Rule and Myocardial Strain Analysis methods of Cardiac Magnetic Resonance Imaging in assessment of Corrected Estimated Ejection Fraction in Valvular Heart Disease To…
- Trial name
- NCT05808465
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University