Efficacy and Safety Study of Selinexor in Relapsed or Refractory Peripheral T-cell Lymphoma or Cutaneous T-cell Lymphoma

"20 mg oral tablets: 60 mg dose on Days 1 and 3 of Weeks 1-4 of each 4-week cycle (Protocol V.3.0).~20 mg oral tablets: 60 mg dose on Days 1 and 3 of Weeks 1-3 of each 4-week cycle (Protocol V.\<3.0).~Number of Cycles: up to 12 but there is no maximal duration for treatment."