Efficacy and safety of mogamulizumab in Sézary syndrome with concomitant Crohn’s disease

Dear Editor, Mogamulizumab is a humanized, defucosylated monoclonal antibody targeting CC chemokine receptor 4 (CCR4), expressed on malignant T cells in cutaneous T-cell lymphomas (CTCL), particularly mycosis fungoides and Sézary syndrome. By enhancing antibody-dependent cellular cytotoxicity, mogamulizumab selectively depletes CCR4-positive malignant lymphocytes and has demonstrated significant clinical activity in advanced CTCL, including in patients refractory to multiple prior therapies. [...].