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- W4382025296 abstract "Abstract Baricitinib, an oral selective Janus kinase (JAK)1/JAK2 inhibitor, demonstrated efficacy in adults with severe alopecia areata (AA) over 36 weeks in two phase III, randomized, double-blind, placebo-controlled trials, BRAVE-AA1 (NCT03570749) and BRAVE-AA2 (NCT03899259). Using integrated data from the long-term extension periods of both trials, we report treatment response to baricitinib by the AA severity subgroup based on the Severity of Alopecia Tool (SALT) score over 52 weeks. Patients randomized to baricitinib at baseline (n = 855) retained their treatment allocation (2 mg/4 mg) through to week 52 in both trials and were included in week 52 analyses; placebo nonresponders were rescued at week 36. Severity of AA at baseline was defined as severe (SALT score 50–94) or very severe (SALT score 95–100). Key inclusion criteria were SALT score ≥ 50, current AA episode lasting > 6 months to < 8 years without spontaneous improvement within 6 months prior to screening, and no previous inadequate response to oral JAK inhibitors. Efficacy endpoints included the proportion of patients achieving a SALT score ≤ 20 and the proportion of patients achieving Clinician-Reported Outcome (ClinRO) Measure for Eyebrow/Eyelash Hair Loss™ 0,1 (no, minimal gaps) with ≥ 2-point improvement from baseline among patients with baseline scores 2,3 (significant gaps, no notable eyebrows/eyelashes). Analyses were presented descriptively for each subgroup up to week 52. Nonresponder imputation was used for missing data. Data collected after permanent study drug discontinuation or at remote visits due to the COVID-19 pandemic were excluded. In total, 1200 patients were enrolled (BRAVE-AA1, n = 654; BRAVE-AA2, n = 546). At baseline, the overall mean (SD) age was 37.5 (12.9) years; 60.7% were female and 46.8% and 53.2% of patients had severe and very severe AA, respectively. At week 52, a SALT score ≤ 20 was achieved by 36.1% and 51.2% of patients on baricitinib 2 mg and baricitinib 4 mg, respectively, with severe AA and 12.4% and 27.7% of patients on baricitinib 2 mg and baricitinib 4 mg, respectively, with very severe AA. Eyebrow/Eyelash Hair Loss™ scores 0,1 with ≥ 2-point improvement from baseline at week 52 were achieved by 19.4% and 26.0% (baricitinib 2 mg) and 37.5% and 38.5% (baricitinib 4 mg) of patients with severe AA and 24.3% and 25.3% (baricitinib 2 mg) and 47.6% and 48.1% (baricitinib 4 mg) of patients with very severe AA. Following 52 weeks of treatment with both baricitinib doses, clinical responses of SALT score ≤ 20 were observed both in patients with severe and very severe AA. Proportions of patients achieving full coverage or minimal gaps in eyebrows and eyelashes were similar at week 52, regardless of scalp hair-loss severity. Funding sources: Eli Lilly and Company." @default.
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- W4382025296 date "2023-06-01" @default.
- W4382025296 modified "2023-09-24" @default.
- W4382025296 title "P64 Efficacy of baricitinib in patients with different degrees of severe alopecia areata: 52-week results from BRAVE-AA1 and BRAVE-AA2" @default.
- W4382025296 doi "https://doi.org/10.1093/bjd/ljad113.092" @default.
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