The present invention relates to oral formulations comprising an active agent comprising at least one of 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoic acid, salts of 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoic acid or buffered 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoic acid.Linvention concerne des formulations orales comprenant un agent actif qui renferme au moins lun des composés ci-après: acide 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoïque, sels dacide 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoîque ou acide tamponné 2-[4-(4-chlorobenzoyl)phenoxy]-2-methyl-propanoïque.