2024. Efficacy of Ritlecitinib in Patients with Alopecia Areata by Extent of Hair Loss: Results from the Phase 2b/3 and Phase 3 ALLEGRO Clinical Trials. SKIN The Journal of Cutaneous Medicine. 8, 6 (Nov. 2024), s468. DOI:https://doi.org/10.25251/skin.8.supp.468.