Found 2,817 clinical trials
Complications and Mortality Following Emergency Digestive Surgery During the COVID-19 Pandemic
A multi-centre, observational cohort study will be carried out in consecutive patients operated on for urgent digestive pathology. Two cohorts will be defined: the 'pandemic' cohort, which will include all patients [COVID-19-positive or negative] operated on for emergency digestive pathology during the months of March to June 2020; and the …
Outcome of Patients Treated With RRT
Acute Kidney Injury (AKI) is a common serious complication after cardiac surgery. AKI not only prolongs the hospitalization time of patients undergoing cardiac surgery and increases the cost of treatment, but also is an independent risk factor for postoperative death. The aim of this study is to investigate the outcome …
A Study of miRNA 371 in Patients With Germ Cell Tumors
This trial studies whether the blood marker micro ribonucleic acid (miRNA) 371 can predict the chance of cancer returning in patients with germ cell cancers. Studying samples of blood from patients with germ cell cancers in the laboratory may help doctors predict how likely the cancer will come back.
Natural History and Clinical Features of Amyotrophic Lateral Sclerosis (ALS)
Describe the distribution of ALS in mainland China, to explore the differences in the number of ALS in different times, regions and populations in order to further explore the causes affecting the distribution of ALS; To investigate the cause of ALS in mainland China in the crowd disease development process …
Motivations and Barriers to Participating in Ophthalmology Research Projects
The primary objective of this project is to understand the reasons why patients agree / disagree to take part in ophthalmology research. This will be done by asking participants to complete a Research Questionnaire.
Precision Therapy in Complex High-risk Coronary Artery Disease
This is a prospective registry to enroll complex high-risk coronary heart disease patients. The purpose of this study is to compare intracoronary physiology and imaging-guided intervention strategy and angiography-guided intervention strategy for clinical outcomes and health economics.
Biomarkers of CASH
The project aims to develop prognostic and diagnostic blood tests for symptomatic brain hemorrhage in patients diagnosed with cavernous angiomas, a critical clinical challenge in a disease affecting more than a million Americans. We further examine whether blood biomarkers can replace or enhance the accuracy of advanced imaging in association …
The Global PCHF-COVICAV Registry
Background: Coronavirus disease (COVID-19) is a tremendous challenge the modern world has never seen before and is overwhelming the capacities of healthcare systems worldwide. Patients with cardiovascular diseases, heart failure in particular, and cardiovascular risk factors seem to be at a very high risk if affected by COVID-19 - and …
Online Survey on Psychological Impact of COVID-19 Epidemic on School-age Children
The coronavirus outbreak is a stressful event for the whole population. Confinement measures are protective against the risk of dissemination of the virus, but they can also lead to several psychological symptoms. In children, a study in China has reported about 20% of depressive or anxious troubles in school-age children …
Outcome of COVID-19 Patients After Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome
This study aims to investigate outcomes and predictors of outcome after extracorporeal membrane oxygenation (ECMO) therapy for severe acute respiratory syndrome (ARDS) in COVID-19 patients.
