Arno Therapeutics Announces Poster Presentation at American Society of Hematology Annual Meeting Demonstrating Anti-Leukemic Stem Cell Activity of AR-42

PARSIPPANY, N.J.--(BUSINESS WIRE)--Arno Therapeutics, Inc., a clinical-stage biopharmaceutical company focused on oncology therapeutics, today announced the presentation of a poster at the annual American Society of Hematology (ASH) meeting that describes the preclinical activity of Arno’s drug candidate AR-42 against leukemia stem cells (LSCs). AR-42 is a broad spectrum inhibitor of both histone and non-histone deacetylation proteins that demonstrated potent activity against Acute Myeloid Leukemia (AML) stem cells. The poster, entitled “Identification of the Histone Deacetylase Inhibitor (HDACi), AR-42, as a Novel Anti-Leukemia Stem Cell Agent in Acute Myeloid Leukemia (AML)” was presented at the 51st ASH Annual Meeting and Exposition held December 5-8, 2009 in New Orleans, LA.