- Patients must be able and willing to receive prophylaxis with daily aspirin, low molecular weight heparin, factor X inhibitors or Warfarin if randomized to lenalidomide; patients must also be willing to receive pneumocystis jirovecii prophylaxis with sulfamethoxazole/trimethoprim, dapsone, atovaquone or inhaled pentamidine, in the event that they are randomized to TGR-1202; patients unable or unwilling to take any listed prophylaxis are NOT eligible