MAGNOLIA, Texas--(BUSINESS WIRE)--Pernix Therapeutics Holdings, Inc. (NYSE Amex:PTX), a specialty pharmaceutical company primarily focused on the pediatric market, today announced that it will release its first quarter 2011 financial results before the U.S. stock market opens on Tuesday, May 17, 2011, and has scheduled a conference call to discuss the results at 9:00 a.m. ET that day. The conference call will feature remarks by Cooper Collins, Chief Executive Officer, and Tracy Clifford, Chief Financial Officer. To participate in the conference call, please dial 888-298-3511 (domestic) or 719-325-2481 (international). Participants can reference the passcode 1197352. Please dial in approximately 5 minutes prior to the call.