1. 4-Phenylbutyrate (4FB) or a pharmaceutically acceptable salt thereof for use in the prevention and / or treatment of Alzheimer's disease. ! 2. The use of 4FB or a pharmaceutically acceptable salt thereof for the manufacture of a medicament for the prevention and / or treatment of Alzheimer's disease. ! 3. 4FB according to claim 1, wherein its pharmaceutically acceptable salt is 4FB sodium salt. ! 4. The use of 4FB according to claim 2, where its pharmaceutically acceptable salt is the 4FB sodium salt. ! 5. A pharmaceutical composition comprising 4FB sodium salt and a pharmaceutically acceptable carrier for use in the prevention and / or treatment of Alzheimer's disease. ! 6. A pharmaceutical combination, characterized in that it comprises 4 FB or any of its pharmaceutically acceptable salts as a first active ingredient, a second active ingredient that is an inducing or auxiliary agent for cleansing β-amyloid deposits in the brain, and a pharmaceutically acceptable carrier . ! 7. The combination according to claim 6, which includes 4FB sodium salt as the first ingredient. ! 8. The combination according to claim 6 or 7, wherein the agent inducing the purification of β-amyloid deposits in the brain is a metal chelating agent. ! 9. The combination of claim 8, in which the specified metal chelating agent is clioquinol. ! 10. The combination according to claim 6 or 7, in which the catabolizing enzyme is an agent that induces the purification of β-amyloid deposits in the brain. ! 11. The combination of claim 10, wherein said inducing agent is an insulin-destructive enzyme or neprilysin. ! 12. The combination according to claim 6 or 7, in which the agent inducing purification1. 4-Фенилбутират (4ФБ) или его фармацевтически приемлемая соль для применения с целью предупреждения и/или лечения болезни Альцгеймера. ! 2. Применение 4ФБ или его фармацевтически приемлемой соли для получения лекарственного средства, предназначенного для предупреждения и/или лечения болезни Альцге
