LIVINGSTON, N.J.--(BUSINESS WIRE)--Columbia Laboratories, Inc. (NASDAQ: CBRX) will hold a conference call on May 5, 2011, to discuss financial results of the first quarter ended March 31, 2011. Frank C. Condella, Jr., president and chief executive officer, and Lawrence Gyenes, senior vice president, chief financial officer and treasurer of Columbia Laboratories, will host the call.