Agent: Polsinelli Shalton Flanigan Suelthaus PC20080015219 - Therapeutic compounds: e20080015216 - Histone deacetylase inhibitors: This invention relates to hydroxamic acid derivatives having a sulfonamide linkage, that are inhibitors of histone deacetylase (HDAC), and are useful in the prevention and/or treatment of cellular proliferative diseases, for example cancer, autoimmune, allergic and inf