Ansprechen einer Dermatomyositis mit Lungenbeteiligung auf eine Januskinase-Inhibitor-Therapie
Authors:
- 12 November 2018
- journal article
- research article
- Published by Springer Nature in Zeitschrift für Rheumatologie
- Vol. 77 (10) , 952-957
Abstract
Wir berichten über einen 32-jährigen Patienten mit einer Anti-MDA-5- und Anti-Ro52-Antikörper-positiven hypomyopathischen Dermatomyositis (CADM) mit klinisch führender interstitieller Lungenbeteiligung. Unter verschiedenen immunsuppressiven Therapieregimen mit Einsatz von Hochdosissteroiden, Cyclophosphamid, Rituximab, Immunglobulinen, Plasmapheresen, Ciclosporin und Mycophenolat-Mofetil zeigte sich die Lungenbeteiligung refraktär bis progredient. Basierend auf dem Nachweis einer deutlichen Interferonsignatur mittels durchflusszytometrischer Bestimmung von SIGLEC-1 als Interferon-abhängigem Marker wurde eine Therapie mit dem Januskinase-Inhibitor Tofacitinib eingeleitet, die zu einem Therapieansprechen mit deutlicher Zunahme der körperlichen Leistungsfähigkeit, einem gebesserten Hautbefund und CT-morphologisch rückläufigen interstitiellen Lungengerüstveränderungen bei insgesamt guter Verträglichkeit führte. We report on a 32-year-old male patient presenting with anti-MDA-5 and anti-Ro52 antibody positive hypomyopathic dermatomyositis (CADM) with clinically leading interstitial pulmonary involvement. Under several immunosuppressive treatment regimens including high-dose steroids, cyclophosphamide, rituximab, immunoglobulins, plasmapheresis, ciclosporin and mycophenolate mofetil, pulmonary involvement was refractory to progressive. Based on the detection of a clear-cut interferon signature by flow cytometric determination of SIGLEC-1 as an interferon-dependent marker, treatment with the Janus kinase inhibitor tofacitinib was initiated. This resulted in a response to treatment with a significant increase in physical performance, an ameliorated skin condition and computed tomographic (CT) morphologically improved interstitial lung disease with overall good tolerability.Keywords
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