WARREN, NJ, Oct. 26, 2011 (GLOBE NEWSWIRE) -- MonoSol Rx, LLC (“MonoSol Rx”), the developer of PharmFilm® drug delivery technology, today announced that it has filed a second amended complaint in its litigation against BioDelivery Sciences International, Inc. (Nasdaq:BDSI) (“BDSI”), and its development partners MEDA Pharmaceuticals Inc. (“MEDA”), and Aveva Drug Delivery Systems, Inc. (“Aveva”).