P120: TRIAL IN PROGRESS: THE RANDOMIZED, DOUBLE‐BLIND, PLACEBO‐CONTROLLED PHASE 2A CROSSWALK‐C TRIAL EVALUATING THE EFFICACY OF CROVALIMAB AS ADJUNCT TREATMENT IN THE PREVENTION OF VASO‐OCCLUSIVE EPISODES (VOES) IN PATIENTS (PTS) WITH SICKLE CELL DISEASE (SCD)