LAS VEGAS, Sept. 18, 2007 (PRIME NEWSWIRE) -- Samaritan Pharmaceuticals, Inc. (AMEX:LIV), a developer of innovative drugs, is pleased to announce the U.S. Food and Drug Administration (FDA) has completed its regulatory review of Samaritan's IND (Investigational New Drug) application for Cushing's syndrome SP-6300 and declared it has not identified any deficiencies in its IND filing. Accordingly, Samaritan can proceed with its proposed Phase II clinical study of Cushing's syndrome SP-6300's efficacy in patients experiencing Hypercortisolism.