2024
A phase 2a study investigating the effects of ritlecitinib on brainstem auditory evoked potentials and intraepidermal nerve fiber histology in adults with alopecia areata
Anderson S, Cavaletti G, Hood L, Polydefkis M, Herrmann D, Rance G, King B, McMichael A, Senna M, Kim B, Napatalung L, Wolk R, Zwillich S, Schaefer G, Gong Y, Sisson M, Posner H. A phase 2a study investigating the effects of ritlecitinib on brainstem auditory evoked potentials and intraepidermal nerve fiber histology in adults with alopecia areata. Pharmacology Research & Perspectives 2024, 12: e1204. PMID: 38969959, PMCID: PMC11226387, DOI: 10.1002/prp2.1204.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAlopecia AreataAnimalsDogsDouble-Blind MethodEvoked Potentials, Auditory, Brain StemFemaleHumansMaleMiddle AgedNerve FibersProtein Kinase InhibitorsYoung AdultConceptsIntraepidermal nerve fibersWave V amplitudeInterwave latenciesI-V interwave latencyV amplitudeMonth 9Placebo-controlled phasePhase 2a studyAxonal swellingsIENF densityPlacebo groupBAEP changesLoading doseAdverse eventsRitlecitinibAlopecia areataKinase inhibitorsPrimary outcomeHuman doseToxicity findingsBAEPClinical relevanceNerve fibersPhase 2aStimulus intensityIntegrated Safety Analysis of Ritlecitinib, an Oral JAK3/TEC Family Kinase Inhibitor, for the Treatment of Alopecia Areata from the ALLEGRO Clinical Trial Program
King B, Soung J, Tziotzios C, Rudnicka L, Joly P, Gooderham M, Sinclair R, Mesinkovska N, Paul C, Gong Y, Anway S, Tran H, Wolk R, Zwillich S, Lejeune A. Integrated Safety Analysis of Ritlecitinib, an Oral JAK3/TEC Family Kinase Inhibitor, for the Treatment of Alopecia Areata from the ALLEGRO Clinical Trial Program. American Journal Of Clinical Dermatology 2024, 25: 299-314. PMID: 38263353, PMCID: PMC10867086, DOI: 10.1007/s40257-024-00846-3.Peer-Reviewed Original ResearchMeSH KeywordsAlopecia AreataAntineoplastic AgentsCarbazolesHumansJanus Kinase 3Protein Kinase InhibitorsSARS-CoV-2Treatment OutcomeTryptaminesConceptsAdverse eventsAlopecia areataIncidence rateKinase inhibitorsTreatment of alopecia areataPlacebo-controlled cohortAdverse cardiovascular eventsClinical trial programIntegrated safety analysisOpportunistic infectionsPlacebo groupPlacebo-controlledLaboratory abnormalitiesHerpes zosterSafety profileSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Cardiovascular eventsRespiratory syndrome coronavirus 2RitlecitinibObjectiveThe objectivePhase 2aTrial programPatientsMethodsTwo cohorts
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 ResearchMeSH KeywordsAdolescentAdultAlopecia AreataCOVID-19Double-Blind MethodFemaleHumansMaleProtein Kinase InhibitorsTreatment OutcomeConceptsAlopecia 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 ResearchMeSH KeywordsChronic DiseaseDouble-Blind MethodHumansJanus KinasesProtein Kinase InhibitorsSkinTreatment OutcomeVitiligoConceptsNonsegmental 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
2018
Tofacitinib Treatment and Molecular Analysis of Cutaneous Sarcoidosis
Damsky W, Thakral D, Emeagwali N, Galan A, King B. Tofacitinib Treatment and Molecular Analysis of Cutaneous Sarcoidosis. New England Journal Of Medicine 2018, 379: 2540-2546. PMID: 30586518, PMCID: PMC6351852, DOI: 10.1056/nejmoa1805958.Peer-Reviewed Original ResearchConceptsCutaneous sarcoidosisPathogenesis of sarcoidosisSkin lesion samplesJAK inhibitor tofacitinibHistologic remissionSystemic glucocorticoidsImmunohistochemical testingImmunohistochemical examinationInhibitor tofacitinibSarcoidosisSkin diseasesPatientsLesion samplesJAK-STATJanus kinaseTranscription (STAT) signalingSequencing of RNASignal transducerTreatmentMolecular analysisRemissionMedicationsTofacitinibGlucocorticoidsPathogenesisRapid Repigmentation of Vitiligo Using Tofacitinib Plus Low-Dose, Narrowband UV-B Phototherapy
Kim R, Heaton H, Liu LY, King BA. Rapid Repigmentation of Vitiligo Using Tofacitinib Plus Low-Dose, Narrowband UV-B Phototherapy. JAMA Dermatology 2018, 154: 370-371. PMID: 29387870, DOI: 10.1001/jamadermatol.2017.5778.Peer-Reviewed Original Research
2017
Successful treatment of moderate-to-severe alopecia areata improves health-related quality of life
Liu LY, Craiglow BG, King BA. Successful treatment of moderate-to-severe alopecia areata improves health-related quality of life. Journal Of The American Academy Of Dermatology 2017, 78: 597-599.e2. PMID: 29128459, DOI: 10.1016/j.jaad.2017.10.046.Peer-Reviewed Original ResearchTofacitinib 2% ointment, a topical Janus kinase inhibitor, for the treatment of alopecia areata: A pilot study of 10 patients
Liu LY, Craiglow BG, King BA. Tofacitinib 2% ointment, a topical Janus kinase inhibitor, for the treatment of alopecia areata: A pilot study of 10 patients. Journal Of The American Academy Of Dermatology 2017, 78: 403-404.e1. PMID: 29108908, DOI: 10.1016/j.jaad.2017.10.043.Peer-Reviewed Original ResearchRepigmentation in vitiligo using the Janus kinase inhibitor tofacitinib may require concomitant light exposure
Liu LY, Strassner JP, Refat MA, Harris JE, King BA. Repigmentation in vitiligo using the Janus kinase inhibitor tofacitinib may require concomitant light exposure. Journal Of The American Academy Of Dermatology 2017, 77: 675-682.e1. PMID: 28823882, PMCID: PMC6233876, DOI: 10.1016/j.jaad.2017.05.043.Peer-Reviewed Original ResearchConceptsTreatment of vitiligoJAK inhibitorsConsecutive patientsInhibitor tofacitinibJanus kinase inhibitor tofacitinibJAK inhibitor monotherapyRetrospective case seriesUltraviolet B phototherapyT-cell mediatorsBody surface areaJanus kinase inhibitorSeverity of diseaseB phototherapyInhibitor monotherapyCase seriesAutoimmune responseCell mediatorsAutoimmune diseasesCutaneous depigmentationLight exposureRetrospective natureStudy populationExisting therapiesControl groupTofacitinibJAK inhibitors in dermatology: The promise of a new drug class
Damsky W, King BA. JAK inhibitors in dermatology: The promise of a new drug class. Journal Of The American Academy Of Dermatology 2017, 76: 736-744. PMID: 28139263, PMCID: PMC6035868, DOI: 10.1016/j.jaad.2016.12.005.Peer-Reviewed Original ResearchMeSH KeywordsAlopecia AreataAnti-Inflammatory AgentsAzetidinesClinical Trials as TopicDermatitis, AtopicDermatologic AgentsHumansJanus KinasesMolecular Targeted TherapyNitrilesPiperidinesProtein Kinase InhibitorsPsoriasisPurinesPyrazolesPyrimidinesPyrrolesSignal TransductionSkin DiseasesSulfonamidesVitiligoConceptsJAK inhibitorsSoluble inflammatory mediatorsNew drug classesUseful therapeutic strategyDifferent proinflammatoryAtopic dermatitisInflammatory mediatorsInflammatory dermatosesAlopecia areataDrug classesJanus kinase-signal transducerTherapeutic strategiesJAK inhibitionDermatologic therapyKinase-signal transducerTargeted therapeuticsActivator of transcriptionDermatologyJAK-STATInhibitorsPromising new classEarlier reportsInhibition
2016
Tofacitinib for the treatment of alopecia areata and variants in adolescents
Craiglow BG, Liu LY, King BA. Tofacitinib for the treatment of alopecia areata and variants in adolescents. Journal Of The American Academy Of Dermatology 2016, 76: 29-32. PMID: 27816292, DOI: 10.1016/j.jaad.2016.09.006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlopeciaAlopecia AreataFemaleHumansMalePiperidinesProtein Kinase InhibitorsPyrimidinesPyrrolesRetrospective StudiesSeverity of Illness IndexTreatment OutcomeConceptsAlopecia areataAdverse eventsAdolescent patientsTreatment of AASignificant hair regrowthUse of tofacitinibMonths of treatmentProspective clinical trialsMedian percent changeJanus kinase inhibitorSeverity of diseaseReview of systemsSALT scoreAlopecia ToolLaboratory monitoringPhysical examinationHair regrowthClinical trialsEffective therapyPromising therapyRetrospective natureTofacitinibControl groupPatientsPercent changeTofacitinib for the treatment of severe alopecia areata and variants: A study of 90 patients
Liu LY, Craiglow BG, Dai F, King BA. Tofacitinib for the treatment of severe alopecia areata and variants: A study of 90 patients. Journal Of The American Academy Of Dermatology 2016, 76: 22-28. PMID: 27816293, DOI: 10.1016/j.jaad.2016.09.007.Peer-Reviewed Original ResearchConceptsSevere alopecia areataAlopecia areataAlopecia totalisAlopecia universalisPercent changeAlopecia Tool (SALT) scorePatients age 18Primary end pointSerious adverse eventsMonths of treatmentCommon autoimmune disorderSeries of patientsScalp hair lossAdverse eventsClinical responseHigher percent changeAutoimmune disordersRetrospective studyEffective therapyRetrospective natureInclusion criteriaHair lossPotential respondersPatientsTool scoreTopical Ruxolitinib for the Treatment of Alopecia Universalis
Craiglow BG, Tavares D, King BA. Topical Ruxolitinib for the Treatment of Alopecia Universalis. JAMA Dermatology 2016, 152: 490. PMID: 26649829, DOI: 10.1001/jamadermatol.2015.4445.Peer-Reviewed Original ResearchTofacitinib Citrate for the Treatment of Nail Dystrophy Associated With Alopecia Universalis
Dhayalan A, King BA. Tofacitinib Citrate for the Treatment of Nail Dystrophy Associated With Alopecia Universalis. JAMA Dermatology 2016, 152: 1-2. PMID: 26630079, DOI: 10.1001/jamadermatol.2015.3772.Peer-Reviewed Original ResearchAdultAlopeciaFemaleHumansJanus KinasesMaleNail DiseasesNailsPiperidinesProtein Kinase InhibitorsPyrimidinesPyrroles
2015
Tofacitinib Citrate for the Treatment of Vitiligo: A Pathogenesis-Directed Therapy
Craiglow BG, King BA. Tofacitinib Citrate for the Treatment of Vitiligo: A Pathogenesis-Directed Therapy. JAMA Dermatology 2015, 151: 1110-1112. PMID: 26107994, DOI: 10.1001/jamadermatol.2015.1520.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralFemaleHumansJanus Kinase 1Janus Kinase 3Middle AgedPiperidinesProtein Kinase InhibitorsPyrimidinesPyrrolesSkin PigmentationTreatment OutcomeVitiligoConceptsJanus kinase inhibitorTreatment of vitiligoKinase inhibitorsPathogenesis-directed therapyPathogenesis of vitiligoOral JanusSignificant repigmentationTherapeutic optionsCommon conditionEffective treatmentVitiligoAdditional studiesTofacitinib citrateTreatmentInhibitorsPatientsPathogenesisRepigmentationTherapy
2014
Killing Two Birds with One Stone: Oral Tofacitinib Reverses Alopecia Universalis in a Patient with Plaque Psoriasis
Craiglow BG, King BA. Killing Two Birds with One Stone: Oral Tofacitinib Reverses Alopecia Universalis in a Patient with Plaque Psoriasis. Journal Of Investigative Dermatology 2014, 134: 2988-2990. PMID: 24940651, DOI: 10.1038/jid.2014.260.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlopeciaDose-Response Relationship, DrugHumansMalePiperidinesProtein Kinase InhibitorsPsoriasisPyrimidinesPyrrolesTreatment Outcome