Lead products from top RNAi technology companies. RNAi Lead products from top companies. ALN-TTR02 (patisiran) Vigil immunotherapy ALN-TTRsc (revusiran) ARC-520 Atu027 PF-655 QPI-1002 RXI-109 siG12D-LODER SPC3649 (miravirsen) SYL04001