University Of Giessen

This study tests whether adding targeted laser treatment to standard ranibizumab injections can reduce how long people need injections for swelling caused by a blocked central retinal vein. About 88 adults with this condition will receive either injections alone or injections plu…

This study aims to find out if lung blood vessel damage is a key reason why some people feel short of breath long after a COVID-19 infection. Researchers will measure lung function, exercise capacity, and heart performance in 200 adults who had COVID-19. The goal is to better und…

This study is observing 350 adults with pulmonary hypertension to see if certain markers in urine and blood are linked to worsening kidney function. Researchers will track kidney decline, need for dialysis, and death. The goal is to better understand the connection between these …