Ritlecitinib Therapeutic Cheat Sheet
Alopecia areata (AA) is a nonscarring alopecia driven by autoreactive cytotoxic CD8 T cells against hair follicle antigens. With an unpredictable clinical course, which can include alopecia totalis and universalis, AA can be debilitating to patients’ quality of life. Historically, glucocorticosteroids, cyclosporine, methotrexate, and azathioprine were used off-label for non-targeted immunosuppre …