Found 64,778 clinical trials
Registry for Invasive and Non-invasive Anatomical Assessment and Outcome of Coronary Artery Anomalies
An anomalous coronary artery from the opposite sinus of Valsalva (ACAOS) represents a congenital disorder with an anomalous location and/or course of the coronary vessel. The prevalence of ACAOS in the general population is around 1 % and they are mostly clinically insignificant and remain often undetected. However, some variants …
National Registry and Cohort Study of Pulmonary Vascular Disease
This is a observational、multicenter, prospective cohort study for patients with pulmonary hypertension (PH). The purposes of this study were to evaluate the etiology、clinical characteristics、treatment modalities, and outcomes of patients with PH；also to set up registration system of PH in China, to build a database of Chinese PH, to establish a …
Observational Study to Assess Adverse Events When Adult Female Participants Are Treated With Ubrelvy (Ubrogepant) or Qulipta (Atogepant) During Pregnancy
Migraine is a common neurological disorder typically characterized by attacks of throbbing or pulsating headache on one side of the head of moderate to severe pain intensity. The purpose of this study is to evaluate fetal, maternal, and infant outcomes through 12 months of age among women exposed to Ubrelvy …
CAPRI National Juvenile Idiopathic Arthritis Registry
Juvenile Idiopathic Arthritis (JIA) is a disorder of unknown cause characterized by chronic inflammation of the joints and other organs. It affects about 1 in a 1000 Canadian children and if untreated it can produce lifelong disability. The Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) includes most pediatric rheumatologists in …
Clinical Impact of Intravascular Ultrasound-Based Artificial Intelligence Technologies (INNOVATE-PCI)
This study is a prospective, multicenter study in the real practice to validate the diagnostic performances and clinical impact of coronary angiography & intravascular ultrasound (IVUS)-based models developed by machine learning (ML).
Natural History of Hypereosinophilia and Hypereosinophilic Syndromes
Unexplained chronic hypereosinophilia (HE) and hypereosinophilic syndromes (HES) are heterogeneous regarding the organ involvements (heart, lungs, skin, .. or none), the evolutionary profiles, the response to treatments. Underlying mechanisms are largely unknown and may associate genetic predisposing factors (germinal ? somatic?), environmental factors (alimentation, tobacco use, hormones, infections, ..) 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 …
Spinal Cord Injury Registry - North American Clinical Trials Network
The NACTN Spinal Cord Injury Registry is a network of clinical centers collecting de-identified data from patients admitted through the Emergency Department of a NACTN center at the time of injury with an initial (first time) spinal cord injury (SCI). Information will be collected on the natural history of SCI …
Genetic Studies of Insulin and Diabetes
The study will allow researchers to obtain blood, plasma, DNA, and RNA for genetic studies of insulin. There will be a focus on the causes of insulin resistance and diabetes mellitus. Insulin is a hormone found in the body that controls the level of sugar in the blood. Insulin resistance …
Paradoxical Lucidity in Severe End-Stage Dementia
Cognitive decline in dementia is considered irreversible, however episodes of paradoxical lucidity (PL) in severe dementia suggest other mechanisms may be in play. Beyond anecdotal reports of transient PL events occurring in patients predominantly in late-stage dementia and typically lasting anywhere from a few minutes to several hours, little is …
