NEWTON, Mass.--(BUSINESS WIRE)--Clinical Data, Inc. (NASDAQ: CLDA), today announced that it will host an Investor Day on Thursday, October 8, 2009 beginning at 8:30 a.m. EDT in New York City. The program, “Focus on Vilazodone: A Potential New Treatment for Depression,” will feature a series of presentations and panel discussion by leading experts in the treatment of depression, antidepressants and related sexual dysfunction.