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dc.contributor.authorWest, J.
dc.contributor.authorOgston, S.
dc.contributor.authorBerg, J.
dc.contributor.authorPalmer, C.
dc.contributor.authorFleming, C.
dc.contributor.authorKumar, V.
dc.contributor.authorFoerster, J.
dc.identifier.citationWest , J , Ogston , S , Berg , J , Palmer , C , Fleming , C , Kumar , V & Foerster , J 2017 , ' HLA-Cw6-positive patients with psoriasis show improved response to methotrexate treatment ' , Clinical and Experimental Dermatology , vol. 42 , no. 6 , pp. 651-655 .
dc.identifier.otherPURE: 260534390
dc.identifier.otherPURE UUID: 33bcd551-cbcb-49d9-8076-af7e2f0b914f
dc.identifier.otherScopus: 85019176702
dc.identifier.otherPubMed: 28512993
dc.description.abstractIt is well documented that patients with human leucocyte antigen (HLA)-Cw6+ (type 1) psoriasis have increased severity and reduced age of onset of psoriasis. However, not much is known about any differential response of this genetic subgroup to various treatments. We set out to determine if there was any genetic association of the HLA-Cw6 allele with the first-line systemic treatment commonly used in psoriasis, methotrexate. A cohort of patients from Tayside in Scotland was recruited through a novel generic consenting process (GoShare); they were extensively phenotyped and analysed for an association of their HLA-Cw6 genotype status with treatment outcomes. HLA-Cw6+ patients showed notably improved response to methotrexate (P = 0.05), and further analysis demonstrated an even greater response in a subcohort of the HLA-Cw6+ patients, who did not have concomitant psoriatic arthritis (P = 0.01). HLA-Cw6+ patients also exhibited fewer treatment-limiting adverse events. In addition to these findings, the methodology and primary clinical outcome phenotype, which we validate here, will greatly facilitate replication of the present results in independent cohorts.
dc.relation.ispartofClinical and Experimental Dermatologyen
dc.rightsCopyright 2017 British Association of Dermatologists. This work has been made available online in accordance with the publisher's policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at
dc.subjectRL Dermatologyen
dc.titleHLA-Cw6-positive patients with psoriasis show improved response to methotrexate treatmenten
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Medicineen
dc.description.statusPeer revieweden

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