BOTHELL, Wash., Oct. 22, 2007 (PRIME NEWSWIRE) -- Sonus Pharmaceuticals, Inc. (Nasdaq:SNUS) today announced that it has engaged Ferghana Partners Inc. (“Ferghana”) as its advisor to assist the Company in identifying, evaluating and pursuing alternative strategies to maximize shareholder value. Ferghana is an international provider of independent financial advisory services to firms in the biotechnology, pharmaceuticals, diagnostics and specialty chemicals industries.