This is an open-label, multicenter, Phase 2 study to evaluate the safety and tolerability of mogamulizumab given Q4W following initial weekly induction in adult participants with relapsed/refractory MF and SS subtypes of CTCL. The study is composed of a 28-day Screening Period during which participants are screened for entry into this study, followed by a treatment period of up to 2 years from Cycle 1 Day 1.
Open-Label, Phase 2 Study to Assess the Safety of Mogamulizumab Given Every 4 Weeks Following Induction in Participants With Relapsed/Refractory Cutaneous T-Cell Lymphoma (CTCL)