An Investigation of AGS-009 in Patients With Systemic Lupus Erythematosus (SLE)

Inclusion Criteria: * Diagnosis of SLE * Disease duration longer or equal to 6 months * Stable, mild to moderate active SLE * Receiving stable maintenance therapy Exclusion Criteria: * Significant lupus nephritis * Active central nervous system (CNS) disease * Significant arterial or venous thrombosis (blood clots) within 12 months prior to dosing * Active vasculitis requiring treatment * Body weight over 120 kg * History of cancer * Infections * viral: HIV, hepatitis B or C, Epstein-Barr virus (EBV), cytomegalovirus (CMV), varicella zoster virus (VZV), or herpes simplex virus (HSV-1 or HSV-2) * tuberculosis (TB) * Severe systemic microbial infections within the past 12 months prior to dosing * Immunosuppressive and immune modulating therapy