Oral sustained-release tablet

摘要

An oral sustained-release tablet is provided, which does not cause initial rapid increases in the bloodlevels of 4-(2-methyl-1-imidazolyl)-2,2-diphenylbutylamide (KRP-197) and can maintain constant the blood levels. (Solving means) An oral sustained-release tablet comprises a pharmaceutical composition and a gel-forming material, the pharmaceutical composition containing KRP-197 as an active ingredient.