Creutzfeldt-Jakob disease is an organic brain syndrome caused by a protein-like particle called a prion. Loss of brain function resembles Alzheimer's disease, but is very rapid in progression. Complete dementia usually occurs by the sixth month, death follows quickly. There is no known cure.
Review Date 8/28/2023
Updated by: Joseph V. Campellone, MD, Department of Neurology, Cooper Medical School at Rowan University, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.