A codrug composition of at least two drug compounds covalently linked to one another via a labile bond to form a single codrug composition, or ionically linked to one another to form a single workings composition, and methods of use of the codrug for the treatment of various medical conditions. The codrug...http://www.google.se/patents/US6051576?utm_source=gb-gplus-sharePatent US6051576 - Means to achieve sustained release of synergistic drugs by conjugation
