PO.6.137 Design of a phase 2, multicenter, randomized, placebo-controlled, parallel-group, double-blind study to assess the efficacy and safety of nipocalimab in adults with active... by T Rooney, R Gordon, G Vratsanos, C Calderon, S Gao, RW Hoffman, F Zazzetti, F Liu-Walsh, B Van Hartingsveldt, Q Zuraw, JH Leu, A Berhanu Debella