IBRUTINIB VERSUS PLACEBO IN PATIENTS WITH ASYMPTOMATIC, TREATMENT‐NAÏVE EARLY STAGE CLL: PRIMARY ENDPOINT RESULTS OF THE PHASE 3 DOUBLE‐BLIND RANDOMIZED CLL12 TRIAL. (12th June 2019) - Langerbeins, P.; Bahlo, J.; Rhein, C.; Gerwin, H.; Cramer, P.; Fürstenau, M.; Al‐Sawaf, O.; von Tresckow, J.; Fink, A.M.; Kreuzer, K.; Vehling‐Kaiser, U.; Tausch, E.; et al.