Found 65,447 clinical trials
Computed Tomography Coronary Angiography (CTCA) Prognostic Registry for Coronary Artery Disease
The study aims at pooling a large population of patients with suspected coronary artery disease (CAD) who underwent Computed Tomography Coronary Angiography (CTCA) and who were adequately stratified in the first place. Then the investigators will be able to assess the incremental value of CTCA in the stratification of prevalence …
Specimen Collection From Patients With Non-Hematologic Cancer for Use in Development of a Liquid Biopsy Assay
This specimen collection is designed to obtain whole blood and tumor tissue from subjects diagnosed with cancer for the purpose of the development of a noninvasive liquid biopsy assay using next generation sequencing (NGS).
Observational Study to Evaluate Long-Term Outcome in Hip Arthroplasty
This long-term outcomes study is designed to collect safety and efficacy data on designated, commercially available, hip arthroplasty products.
Cognitive Impairment, Retinopathy, and Cerebrovascular Lesions in the Elderly
The CIRCLE study is a single-center prospective observational study that enrolled individuals with cerebral small vessel disease (SVD), while free of known dementia or stroke (both cerebral infarction and hemorrhage). The patients will receive neuropsychological testing, retinal digital images and multimodal magnetic resonance imaging (MRI). Blood samples will also be …
Advanced TecHnologies For SuccEssful AblatioN of AF in Clinical Practice
ATHENA is a prospective, multicenter, non-randomized post-market study. All patients will be treated according to the standard care followed by each center. The protocol requires enrollment of consecutive patients from each center, according to eligibility criteria. During the 12 months follow-up period, clinical atrial fibrillation recurrence, occurrence of all kind …
Chinese PD-LRRK2 Registry
The purpose of the Chinese PD-LRRK2 Registry(CPD-LRRK2R) is to develop a database of patients of Parkinson's disease with leucine-rich repeat kinase 2 (LRRK2) gene variants in mainland China.
Paraoxonase and HDL Qualities in Glycaemia and Inflammation
The incidence of coronary heart disease (CHD) is significant in the super-obese and diabetics. Inflammation is believed to play an important part in the development of CHD, and the large collection of abdominal fat in the obese person is a vast source of inflammation. Diabetics have abnormal glucose and cholesterol …
Investigation of Ultrasound Imaging and Spectroscopy for Characterizing Breast Masses
Our objective in this study is to identify an optimal set of quantitative ultrasound parameters that can be used, non-invasively, to characterize breast masses with high accuracy, as determined histopathologically. Breast cancer is the most frequent form of non-epithelial cancer diagnosed in women, with approximately 1.5 million new cases diagnosed …
The Natural History of Severe Viral Infections and Characterization of Immune Defects in Patients Without Known Immunocompromise
Background Infections caused by viruses are common causes of illnesses: the common cold, many ear infections, sore throats, chicken pox, and the flu are caused by different viruses. Usually, these illnesses last only few days or, at most, a few weeks. Some virus infections like influenza are cleared from the …
Clinical Applicantion of Multi-Tracer PET/MR Imaging in Neurological Disorders/Disease
The goal of this clinical trial is to learn about the application of domestic PET/MR in major brain diseases. The main questions it aims to answer are: Overcome the bottleneck of early accurate diagnosis and treatment in major brain diseases clinical practice. Promote the clinical application of domestic PET/MR, enhance …
