Immunosuppressive drugs | Placebo (n = 13) | Belimumab | ||||
---|---|---|---|---|---|---|
 |  | 1.0 mg/kg (n = 15) | 4.0 mg/kg (n = 14) | 10 mg/kg (n = 14) | 20 mg/kg (n = 14) | All active (n = 57) |
Prednisone | 9 (69) | 14 (93) | 9 (54) | 10 (71) | 8 (57) | 41 (72) |
Methotrexate | 2 (15) | 1 (7) | 0 | 2 (14) | 3 (21) | 6 (11) |
Azathioprine | 5 (38) | 2 (13) | 2 (13) | 2 (14) | 1 (7) | 7 (12) |
Mycophenolate | 0 | 1 (7) | 1 (7) | 1 (7) | 5 (36) | 8 (14) |
None | 3 (23) | 1 (7) | 5 (36) | 3 (21) | 3 (21) | 12 (21) |