Arch Therapeutics, Inc. is a medical device company. It develops products that make surgery and interventional care faster and safer by using an approach to stop bleeding, control leaking, and provide other advantages during surgery and trauma care. The Company's lead product candidate includes AC5 (TM), a biocompatible synthetic peptide, to achieve hemostasis in minimally invasive and open surgical procedures. Arch Therapeutics, Inc. is headquartered in Wellesley, Massachusetts.