Anosmia

This study tested whether theophylline, an asthma drug, could help people who lost their sense of smell after a head injury. 158 patients who had not improved with standard treatments took theophylline or a placebo, plus did smell training for 6 months. The goal was to see if the…

This study tested whether a natural supplement called ultramicronized palmitoylethanolamide (umPEA) can improve smell, taste, and other sensory issues in children with autism. Eighty children took either umPEA or a standard treatment (probiotics plus omega-3) for six months. Rese…

This pilot study tested whether chewing flavored gum twice a day for 12 weeks could help people recover their sense of smell and taste. Thirty adults with smell or taste loss were split into three groups: one chewed flavored gum, one smelled liquid flavors, and one waited. The st…

This study looked at whether smell training with scented oils can help people regain their sense of smell after endoscopic skull base surgery. 41 adults with benign skull base tumors participated. Half used scented sticks and half used unscented sticks for training. Researchers m…

This study tested a new drug called CYR-064 in 151 adults aged 18-70 who have a reduced sense of smell (hyposmia). The goal was to see if the drug is safe and if it can improve smell and taste over 24 weeks compared to a placebo. Participants had no other nasal issues like polyps…

This pilot study tested whether a stellate ganglion block—a numbing injection near a nerve cluster in the neck—can help people who lost their sense of smell after COVID-19. Twenty adults with smell problems lasting at least a year received the injection. Researchers measured chan…

This study tested whether a budesonide nasal rinse (a steroid) could improve smell loss in 120 adults who still had trouble smelling 30 days after a mild COVID-19 infection. Participants used the rinse twice daily for 30 days, along with smell training. The goal was to see if mor…

This study tested whether a stellate ganglion block (an injection near nerves in the neck) can improve distorted sense of smell (parosmia) caused by COVID-19. 48 adults with long-term smell issues after COVID took part. Half received the nerve block, half got a placebo (saline). …

This study tested whether scented nose plugs could make smell training more effective for people who lost their sense of smell after a virus like COVID-19. 120 adults with reduced smell were split into two groups: one did regular smell training at home, and the other used scented…

This study looked at 176 people who had COVID-19 and were having problems with smell, taste, or saliva. Researchers tested their senses and tried smell training as a way to help. The goal was to better understand these long-lasting symptoms and how to manage them.

This study checked how common smell and taste problems are in 51 people with cardiac amyloidosis, a rare disease where abnormal proteins build up in the heart. Researchers used a simple smell test called Sniffin' Sticks to measure these senses. The goal was to see if these issues…

This study looked at 101 adults who had weight-loss surgery at least three months earlier. Researchers asked about changes in taste and smell, and how those changes relate to hunger and diet quality. The goal is to understand whether sensory shifts make it harder to eat well afte…