Develops and commercializes proprietary drugs and drug delivery systems to treat cancer and other diseases. The company develops product candidates using oligonucleotides combined with SNALP, its proprietary lipid nanoparticle delivery technology to treat disease by either stimulating the immune system or preventing the production of proteins that are linked to diseases, through a process known as RNA interference (RNAi). Oligonucleotides are short sequences of nucleic acids, deoxyribonucleic acid (DNA) or ribonucleic acid (RNA).