Overview An Exploratory Trial Investigating the Neurogenic Component in Psoriasis Vulgaris by Use of Botulinum Toxin A Status: Completed Trial end date: 2016-07-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the anti-psoriatic effect of injected Botulinum toxin type A compared to that of injected vehicle. Phase: Phase 1 Details Lead Sponsor: LEO PharmaTreatments: abobotulinumtoxinABotulinum ToxinsBotulinum Toxins, Type AincobotulinumtoxinAonabotulinumtoxinA