Liposome encapsulated recombinant interleukin-2 January 19, 2018 Liposome encapsulated recombinant interleukin-2 Trade Name Orphan Indication Brain and CNS tumors USA Market Approval USA USA Designation Date 1991-11-25 00:00:00 Sponsor Oncothyreon Canada, Inc.;2011-94 St., NW, Suite 200;