138 citations
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March 2021 in “Journal of the American Academy of Dermatology” This study found that treatment with ritlecitinib or brepocitinib was effective in improving scalp hair loss for patients with alopecia areata over 24 weeks compared to placebo.
36 citations
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December 2021 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This study observed that both ritlecitinib and brepocitinib improved scalp biomarkers in patients with alopecia areata, with associations to hair regrowth seen in this phase 2a trial.
20 citations
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December 2021 in “Journal of the American Academy of Dermatology” This study found that the oral JAK inhibitors ritlecitinib and brepocitinib were effective in maintaining hair regrowth in alopecia areata with continuous use, though efficacy decreased after withdrawal.
17 citations
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October 2024 in “Journal of the American Academy of Dermatology” In this study, brepocitinib was found to significantly reduce inflammatory biomarker CCL5 expression and improve clinical severity by week 24, while maintaining a favorable safety profile.
July 2024 in “Journal of Investigative Dermatology” Brepocitinib improves cicatricial alopecia and reduces key immune markers.