Study of ME-401 in Subjects With Relapsed or Refractory Indolent B-cell Non-Hodgkin's Lymphoma

"\[Phase 1 study (DLT evaluation)\] ME-401 will be administered at 2 dosages as 45 mg (Cohort 1) or 60 mg (Cohort 2), daily oral administration, QD, and the trial will be initiated at Cohort 1, and medical specialists and the Efficacy and Safety Assessment Committee as needed will decide whether the Cohort will be shifted to the next stage based on their assessment of the safety and tolerability.~\[Roll over study\] 60 mg ME-401 will be administrated on intermittent schedule (1 week on and 3 week off in every 4-week cycle)and will continue until the prescribed mediation in ME-401-004 study is completed or discontinuation criteria are met."