2023
Efficacy and safety of ritlecitinib in adults and adolescents with alopecia areata: a randomised, double-blind, multicentre, phase 2b–3 trial
King B, Zhang X, Harcha W, Szepietowski J, Shapiro J, Lynde C, Mesinkovska N, Zwillich S, Napatalung L, Wajsbrot D, Fayyad R, Freyman A, Mitra D, Purohit V, Sinclair R, Wolk R. Efficacy and safety of ritlecitinib in adults and adolescents with alopecia areata: a randomised, double-blind, multicentre, phase 2b–3 trial. The Lancet 2023, 401: 1518-1529. PMID: 37062298, DOI: 10.1016/s0140-6736(23)00222-2.Peer-Reviewed Original ResearchConceptsAlopecia areataPrimary endpointWeek 24Loading doseExtension periodBaseline disease severitySuitable treatment optionScalp hair lossPatients placeboPlacebo groupWeek 48Systemic therapyAlopecia ToolTreatment optionsPlaceboHair lossPatientsAreataResponse rateDisease severityKinase inhibitorsBody hairMulticentreAfrican AmericansTreatment
2022
Efficacy and safety of oral ritlecitinib for the treatment of active nonsegmental vitiligo: A randomized phase 2b clinical trial
Ezzedine K, Peeva E, Yamaguchi Y, Cox L, Banerjee A, Han G, Hamzavi I, Ganesan A, Picardo M, Thaçi D, Harris J, Bae J, Tsukamoto K, Sinclair R, Pandya A, Sloan A, Yu D, Gandhi K, Vincent M, King B. Efficacy and safety of oral ritlecitinib for the treatment of active nonsegmental vitiligo: A randomized phase 2b clinical trial. Journal Of The American Academy Of Dermatology 2022, 88: 395-403. PMID: 36370907, DOI: 10.1016/j.jaad.2022.11.005.Peer-Reviewed Original ResearchConceptsNonsegmental vitiligoLoading doseScoring IndexPercent changePhase 2b clinical trialExtension periodPhase 2b trialPrimary efficacy endpointSerious adverse eventsChronic autoimmune disorderDose-dependent trendEfficacy endpointAdverse eventsWeek 24Autoimmune disordersClinical trialsStable vitiligoPatientsVitiligoSignificant differencesTreatmentDoseBaselineTrialsWeeks