In TTR-mediated familial (or hereditary) amyloidosis, the heart and nervous system are most commonly affected. Without intervention, the survival rate ranges between 5-15
years from the onset of the disease.
Since most of the abnormal proteins are produced in the liver, transplanting the liver can allow for the production of normal TTR. Waiting periods for organ donation are frequently long, but transplantation is a viable option for some patients whose disease is not too far advanced.
Meanwhile, new drugs are being developed to prevent familial amyloid deposits from forming in the first place. As