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Browse 40,629 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT04401449
Background: COVID-19 virus infection differs among people. Some people have no or mild symptoms. For others, COVID-19 is life threatening and causes damage to the body s organs. Researchers want to better understand the virus to learn how to kill it. Objective: To understand how the COVID-19 virus causes wide differences in how sick one can become from the infection. Eligibility: People ages 18-80 with COVID-19 infection Design: Participants will be screened with a review of their medical records. Participants who enter the study at the beginning of their COVID-19 infection will stay in the hospital until they are healthy enough to go home. Those who enter after they have recovered may need to stay in the hospital 1-2 nights to perform the study tests. Participants will have MRI and CT scans of the brain, heart, and lungs. They will lie in a machine that takes pictures of the body. For the MRI, soft padding or a coil will be placed around their head and chest. They may receive a dye injected into a vein. Participants will have an ultrasound of the kidneys and heart. Participants will provide blood and urine samples. They will provide nasal swabs. Participants will have a bronchoscopy. A thin tube will be placed through the nose or mouth into the airway. Saltwater will be squirted into the lungs and removed by suction. Participants may provide a spinal fluid sample. A needle injected into the spinal canal will obtain fluid. Participants will have lung and heart function tests. At various points after recovery, participants will repeat many of these tests.
NCT05703230
The current multicenter stepped wedge randomized cluster trial study aims to assess whether implementation of preoperative multidisciplinary team (MDT) discussions is (cost)effective for high risk noncardiac surgical patients. The main questions to answer are: * Primary question: Does implementation of preoperative multidisciplinary team discussions for high risk noncardiac surgical patients diminish serious adverse events as compared to care as usual at six months postoperatively or six months after multidisciplinary team discussion in case of nonsurgical treatment? * Secondary questions: Does implementation of preoperative multidisciplinary team discussion for high risk noncardiac surgical patients improve disability, survival, functional outcome, quality of life and cost-effectiveness as compared to care as usual at six months postoperatively or six months after multidisciplinary team discussion in case of nonsurgical treatment? Participants will be asked to answer questionnaires at baseline, 3, 6,9 and 12 months postoperatively or post MDT discussion. Patients for whom no structured preoperative multidisciplinary discussion is installed yet (care as usual) will be compared with patients for whom a structured preoperative multidisciplinary discussion is performed (intervention). The study will be performed in hospitals that have no established preoperative MDT meeting at the start of the study.