Clinical trials: Contrast Media
Diabetes Mellitus
Assessing Diabetic Foot Ulcer Microcirculation With High-frequency Contrast Enhanced Ultrasound
The objective of this observational study is to investigate and validate the utility of high-frame-rate ultrasound imaging technology for dynamic observation of the blood perfusion process at the site of ulcer wounds in…
- Trial name
- NCT06309082
- Testing
- Amputation, Debridement
- Where
- China
- Volunteers
- 100 people
- Sponsor
- First Affiliated Hospital of Wenzhou Medical University
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
Gastrostomy Tube Site Complication, Gastrostomy Complications
Confirming Proper Replacement of Dislodged Gastrostomy Tubes in Pediatric Patients
The purpose of this study is to evaluate if ultrasound can be used effectively to confirm location of gastrostomy tube (G-tube) placement in place of a study in which contrast is flushed through the G-tube and placement is…
- Trial name
- NCT04331873
- Testing
- Ultrasound
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Tennessee
Right-to-left Shunt, Migraine
Registry of Right-to-left Shunt Detection by Contrast-enhanced Transcranial Doppler in Chinese Population
The purpose of the study is to evaluate the prevalence and extent of right-to-left shunt (RLS) in Chinese migraineurs, and the morbidity of silent cerebral infarction in migraineurs.
- Conditions
- Right-to-left Shunt, Migraine, Cerebral Infarction
- Trial name
- NCT02425696
- Where
- China
- Volunteers
- 1,100 people, healthy volunteers welcome
- Sponsor
- Yingqi Xing
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
Cystic Fibrosis
Exocrine Pancreatic Function Testing in Cystic Fibrosis
Purpose The purpose of this study is to develop and validate multimodal testing of exocrine pancreatic function (EPF). The investigators will be testing exocrine pancreatic function in patients with cystic fibrosis (CF).
- Trial name
- NCT01446861
- Where
- Norway
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Haukeland University Hospital
Normal CT Scan, Dysplasic Disease
Dose-Quality Study in the Temporal Bone Computed Tomography in Routine Care
Because of the complexity of the structures studied, imaging the temporal bone requires compliance with a number of image quality criteria, in order to achieve optimum spatial resolution of the most clinically relevant anatomical…
- Conditions
- Normal CT Scan, Dysplasic Disease, Tumoral Disease, Infectious Disease
- Trial name
- NCT06827106
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aix Marseille Université
Brain Injury, Dementia
Neuropsychiatric Evaluation of Healthy Volunteers and Adults With Schizophrenia
The purpose of this study is to evaluate the cognitive processes of participants with schizophrenia, participants with nervous system and mental disorders, and healthy volunteers.
- Conditions
- Brain Injury, Dementia, Healthy, Mental Disorder
- Trial name
- NCT00001323
- Where
- United States
- Volunteers
- 810 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Breast Cancer
Assessment of Cardiotoxicity After Chemotherapy for Breast Cancer by Cardio-vascular Magnetic Resonance (MR)
Consecutive patients with a first diagnosis of breast cancer will be identified at the Tom Baker Cancer Centre (TBCC) and included into the study, if they are going to receive chemotherapy with anthracyclines and / or Trastuzumab…
- Trial name
- Cardiotox (NCT00679874)
- Testing
- Cardio-vascular MRI
- Where
- Canada
- Volunteers
- 66 people
- Sponsor
- University of Calgary
Healthy Nutrition, Healthy Diet
Baylor Infant and Toddler Biomarker of Nutrition Study
Young children rely on their foods and drinks for the nutrients they need to grow, like energy, protein, vitamins, and minerals.
- Trial name
- BITBONS (NCT05869760)
- Testing
- Carotenoid Intake, Serum carotenoid concentrations
- Where
- United States
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Renal Insufficiency, Acute Kidney Injury
Efficacy of Point-Of-Care Creatinine Assays in Patients With eGFR <30 Receiving Intravascular Contrast
Point-of-care (POC) creatinine devices allow rapid measurement of creatinine levels and calculation of estimated glomerular filtration rate (eGFR) which give an indication of renal function.
- Conditions
- Renal Insufficiency, Acute Kidney Injury, Contrast-induced Nephropathy
- Trial name
- EPIC (NCT04597892)
- Testing
- serum creatinine assay
- Where
- Netherlands
- Sponsor
- Maastricht University Medical Center
Renal Impairment, Limb Ischemia, Critical
Ultra-low Dose Contrast for Endovascular Procedures
The purpose of this protocol is to study the safety and feasibility of using ultra-low dose iodinated contrast agent for infrainguinal endovascular revascularization procedures in patients with chronic limb-threatening lower limb…
- Trial name
- ULTRA-LOW (NCT06835127)
- Testing
- Infrainguinal peripheral endovascular revascularization
- Where
- Greece
- Volunteers
- 18 people
- Sponsor
- Attikon Hospital
Gorham Disease, Lymphatic Diseases
Imaging of Lymphatic Anomalies
Lymphatic Anomalies (LA) is characterized by proliferation of lymphatic tissue causing deterioration of pulmonary function. Understanding changes in lymphatic anatomy in these patients is hindered by the difficulty of imaging the…
- Conditions
- Gorham Disease, Lymphatic Diseases, Lymphangiomatosis
- Trial name
- NCT02744027
- Testing
- Dynamic Contrast Enhanced Magnetic Resonance Lymphangiography (DCMRL), Heavy Weighted T2 Imaging (T2W), Lymph Node Access
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Children's Hospital of Philadelphia
Abdominal Injury
Contrast Ultrasound for Pediatric Trauma - Comparative Evaluation (CAPTURE Study)
This multicenter study aims to evaluate the accuracy of contrast-enhanced ultrasound (CEUS) in diagnosing abdominal solid organ injuries in pediatric patients.
- Trial name
- NCT04718441
- Testing
- Lumason
- Where
- 5 sites in United States
- Volunteers
- 68 people
- Sponsor
- David Mooney
Focal Liver Lesions
Phase 4 Paediatric Study to Evaluate Sonazoid Safety and Efficacy for Contrast-Enhanced Ultrasound Liver Imaging
Liver tumours, 40% of which are benign, account for 1% to 4% of all solid tumours in children. The benign tumours are mainly haemangiomas, liver hamartomas, and liver cell adenomas.
- Trial name
- NCT06639828
- Testing
- Contrast-Enhanced Ultrasound
- Where
- 6 sites in Germany, Italy and 1 more
- Volunteers
- 50 people
- Sponsor
- GE Healthcare
Pancreatic Adenocarcinoma
Ultrasound-assisted Treatment of Inoperable Pancreatic Cancer
The investigators primary aim is to increase chemotherapeutic drug uptake in inoperable tumours The specific sub-objectives of the studies are: To quantify tumour sizes and relate it to the patient survival over time, dependent…
- Trial name
- NCT01674556
- Testing
- Gemzar
- Where
- Norway
- Volunteers
- 25 people
- Sponsor
- Haukeland University Hospital
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
Coronary Disease
Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease
This study is designed to compare two different echocardiographic techniques in the evaluation of heart disease (coronary artery disease).
- Trial name
- NCT00001889
- Testing
- Myocardial contrast echocardiography, Stress echocardiography with dobutamine
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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.
Prematurity
Preterm Neonates Brain Ultrasound With CEUS and Elastography
The aim of the study is to investigate levels of brain perfusion and elasticity in preterm neonates when they reach the estimated due date and to compare the data with magnetic resonance imaging at term.
- Trial name
- NCT05694611
- Testing
- Brain contrast enhanced ultrasound, brain ultrasound elastography, Sulfur Hexafluoride
- Where
- Finland
- Sponsor
- Turku University Hospital