Saint Petersburg State University, Russia

This study tests two drugs, pembrolizumab and lenvatinib, in 20 people with anaplastic thyroid cancer, a rare and fast-growing cancer. The goal is to see if the combination can shrink tumors or slow the cancer's growth. Participants must be 18 or older and have not had certain pr…

This study tests a new, dye-free way to see blood flow during surgery for stomach or colon cancer. About 200 adults having gut surgery will be randomly assigned to get either the new light-based method (iPPG) or the standard dye method (ICG). The goal is to see if the new method …

This study tests whether coating the breathing tube with either hydrocortisone ointment or lidocaine solution can lessen sore throat, hoarseness, and coughing after thyroid or parathyroid surgery. About 764 adults will be randomly assigned to one of the two treatments. Researcher…

This study tests whether giving a numbing medicine (ropivacaine) through chest tubes after heart surgery helps patients recover better than a placebo. About 116 adults having planned heart surgery will take part. The goal is to see if this approach reduces pain and improves overa…