MAGNOLIA, Texas--(BUSINESS WIRE)--Pernix Therapeutics Holdings, Inc. (NYSE Amex: PTX) (“Pernix”), an integrated specialty pharmaceutical company focused primarily on the pediatric market, today announced the establishment of a new joint venture with SEEK, a leading United Kingdom private drug-discovery group. The joint venture will undertake the late-stage development and registration of BC1036, a first-in-class antitussive drug designed to address the serious need for a safer and more effective, non-opioid treatment for persistent cough. Both parties also licensed or assigned all of their theobromine intellectual property to the joint venture.