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 ResearchConceptsIntraepidermal 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 intensity