Parathyroid hyperplasia

This study tests whether placing a placental-based allograft called Amnioeffect on the surgical wound improves scar appearance, pain, and swallowing after thyroid or parathyroid surgery. About 334 adults will be enrolled, with half receiving the graft and half getting standard ca…

This study compares two methods of monitoring the nerve that controls the vocal cords during thyroid and parathyroid surgery. The standard method uses a breathing tube with electrodes, while the new method uses tiny needles placed directly into the voice box cartilage. Researcher…

This study watches 200 people with lung, gut, or hormone diseases over time using special brain scans (PET). It aims to see how these diseases change brain activity and whether those changes can predict tumor return, spread, or survival. No new treatment is tested—just observatio…