Observational studyActa dermato-venereologica2026
Treatment Response to JAK Inhibitors in Long-standing Alopecia Areata (≥8 Years): A Real-world Observational Study.
Observational study in Acta dermato-venereologica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Long-standing alopecia areata is a therapeutically challenging subgroup lacking robust evidence regarding Janus kinase (JAK) inhibitors. This retrospective, single-centre study evaluated the efficacy and safety of baricitinib, tofacitinib or ritlecitinib in patients with current alopecia areata episodes lasting ≥8 years, treated between February 2021 and December 2025. Among 41 screened patients, 31 met the inclusion criteria (mean age 24.6±10.1 years; mean episode duration 12.7±4.6 years). The mean baseline SALT score was 62.8±30.2, with 64.5% of patients presenting a baseline SALT score ≥50. At week 24 (n=29), 27.6% and 24.1% of patients achieved absolute SALT scores ≤20 and ≤10, respectively. Relative improvements (SALT30, SALT50 and SALT80) were observed in 48.3%, 31.0% and 24.1% of patients. Treatment discontinuation occurred in 58.1% (18/31) of patients, primarily driven by a lack of efficacy (66.7% of these discontinuations). The most frequent adverse events were folliculitis (22.6%) and acne (12.9%). While the overall therapeutic response to JAK inhibitors remains limited in long-standing alopecia areata, a subset achieves clinically meaningful hair regrowth, supporting their use as a viable treatment option.
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