University Of Sao Paulo General Hospital

This study tests if a new, less invasive heart bypass surgery is safe and works well for people with multiple blocked arteries. Instead of opening the chest fully, surgeons use a small cut on the left side. The study will follow 100 adults for 6 months to check for serious proble…

This study looks at how safe and effective the Shingrix vaccine is for people with autoimmune rheumatic diseases like rheumatoid arthritis and lupus, who are at higher risk for shingles. About 2,000 participants will receive the vaccine or a placebo to check for disease flares an…

This study aims to create a risk score called CABG-BraSCORE for patients undergoing coronary artery bypass grafting (CABG) in Brazil. Researchers will collect data from 2,400 patients across multiple hospitals to understand how factors like age and health affect surgery outcomes.…

This study looks at immune markers in the saliva and blood of 80 people with primary Sjögren's syndrome, a chronic autoimmune disease causing dry eyes and mouth. Researchers will measure antibodies and enzyme activity before and after treatment for gum disease. The goal is to lea…