PARSIPPANY, N.J.--(BUSINESS WIRE)--Pacira Pharmaceuticals, Inc. (Nasdaq: PCRX) today announced the commercial launch of EXPAREL®(bupivacaine liposome injectable suspension) in the United States. Starting today, EXPAREL will begin shipping to hospital and ambulatory care customers through their normal wholesaler and distributor channels. EXPAREL was approved by the U.S. Food and Drug Administration (FDA) in October 2011 for administration into the surgical site to produce postsurgical analgesia.