Immune therapies for alopecia areata: evidence and new perspectives

    Hui-Jun Lai, Zhiming Ye, Siqi Chen, Kevin J. McElwee, Hong-Wei Guo
    The document discusses the role of immune therapies in treating alopecia areata (AA), highlighting the involvement of lymphocytes and pro-inflammatory cytokines like IL-15 and IFNγ in disease progression. Conventional treatments such as corticosteroids and immunosuppressants are standard but variably effective. New insights into immune cell activity and cytokine signaling are guiding the development of treatments like JAK inhibitors and biologics. The document emphasizes the need for a biomarker-driven patient stratification system to improve treatment selection and reduce side effects. Future therapeutic strategies may focus on combining rapid immunosuppression with methods to restore follicular immune privilege and tolerize autoreactive T cells, potentially leading to disease-modifying or curative interventions.
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