CLINICAL EFFICACY OF BIOLOGICAL AND REGENERATIVE THERAPY IN CICATRICIAL ALOPECIA
Keywords:
Cicatricial alopecia, lichen planopilaris, frontal fibrosing alopecia, JAK inhibitor, tofacitinib, baricitinib, platelet-rich plasma, LPPAI score, follicular stem cell, pilosebaceous unit, IFN-γ, IL-17, fibrosis, TGF-β1, hair follicle regeneration.Abstract
Cicatricial alopecia (CA) is a heterogeneous group of inflammatory disorders causing irreversible destruction of hair follicle stem cells and their replacement by fibrous tissue, affecting approximately 3-7% of patients presenting to dermatology clinics. Pathogenesis involves lymphocyte- or neutrophil-mediated attack on the pilosebaceous unit, driven by JAK/STAT signaling, Th1/Th2/Th17 cytokine imbalance, and microbial dysbiosis. This review evaluates the quantitative clinical efficacy of biological agents, JAK inhibitors, and platelet-rich plasma in stabilizing disease activity and promoting residual follicular survival.
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