Human Genome Sciences and GlaxoSmithKline Announce Positive Phase 3 Study Results for BENLYSTA(TM) in Systemic Lupus Erythematosus ROCKVILLE, MD and LONDON--(Marketwire - July 20, 2009) - Human Genome Sciences, Inc. (NASDAQ: HGSI) and GlaxoSmithKline PLC (GSK) today announced that BENLYSTA™ (belimumab, formerly...