ANOSMIA

This small pilot study is testing whether injections of a person's own platelet-rich plasma (PRP) can improve smell in adults who have had a reduced or lost sense of smell for more than six months due to aging or injury. Thirty participants will receive three PRP injections over …

This study tests whether adding insulin to a platelet-rich plasma (PRP) nose spray helps people who lost their sense of smell after an infection. Twenty adults will be randomly assigned to get either PRP alone or PRP plus insulin. Their smell ability will be measured over time to…

This study tests two ways to give platelet-rich plasma (PRP) to adults who have had poor smell for over three months. One method uses a soaked sponge placed in the nose, the other uses a small injection. Sixty participants will get one treatment and then do daily smell training f…

This study tests whether a smartphone-based exercise program is practical for adults aged 40 and older with a reduced sense of smell (hyposmia). Participants are randomly assigned to either a full-dose program aiming to double their daily steps or a low-dose control aiming for a …

This study aims to understand how brain function changes in people with smell disorders, such as loss of smell or distorted smell. Researchers will use brain scans, smell tests, and questionnaires to track these changes over one year. The study involves 80 adults, including healt…