TSEB and Brentuximab for Treatment of Mycosis Fungoides & Sezary Syndrome

TSEB is a type of radiation treatment in which the skin over the whole body is treated with electron radiation beams. All participants will receive the same standard TSEB dose and treatment schedule. During TSEB, patients are treated in a standing position on a rotating platform.

An antibody-drug conjugate (ADC) that targets CD30. A standard dose of brentuximab vedotin will be administered to all patients by intravenous infusion 3 weeks prior to initiation of TSEB and then every 3 weeks for 3 cycles.