- Willing to discontinue concomitant medications for CTCL for the duration of their study participation, including: high dose topical steroids - 2 week washout; oral steroids above 10 mg - 3 week washout; Psoralen + Ultraviolet A light (PUVA) or ultraviolet B light (UVB) (including sunbathing, tanning beds, etc.) - 2 week washout; extracorporeal photopheresis - 2 week washout; Electron Beam - 2 weeks washout; chemotherapeutic agents - 3 week washout; bexarotene capsules or other oral biologics - 2 week washout; and topical nitrogen mustard - 2 week washout.