WATERTOWN, Mass.--(BUSINESS WIRE)--Acusphere, Inc. (NASDAQ: ACUS) today announced that it will host a conference call and webcast to discuss the top-level results from the second Imagify Phase 3 pivotal clinical trial, RAMP-2 on May 1, 2007, at 8:30 AM ET. The Company indicated that it intends on issuing, prior to the conference call, a press release summarizing the results of the trial. The conference call will include an opportunity for analyst and investor questions and answers.