2020
DOI: 10.1111/jdv.16781
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Alemtuzumab‐induced halo naevus‐like hypopigmentation – new insights into secondary skin autoimmunity in response to an immune cell‐depleting antibody

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Cited by 4 publications
(5 citation statements)
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“…Safety management of drugs in general presents a crucial aspect of pre-clinical and clinical trials. Apart from safety information from randomized controlled trials, case reports, case series and observational studies provide further information on side effects and safety of alemtuzumab (Bianco et al, 2020;Böhm et al, 2020;Cossburn et al, 2011;Cuker et al, 2020;Holmøy et al, 2019;Obermann et al, 2016;Pfeuffer et al, 2016Pfeuffer et al, , 2021Ruck et al, 2018Ruck et al, , 2019Tuohy et al, 2015;Vukusic et al, 2019). Over the last years, side effects occurred raising safety considerations for different drugs after their approval.…”
Section: Discussionmentioning
confidence: 99%
“…Safety management of drugs in general presents a crucial aspect of pre-clinical and clinical trials. Apart from safety information from randomized controlled trials, case reports, case series and observational studies provide further information on side effects and safety of alemtuzumab (Bianco et al, 2020;Böhm et al, 2020;Cossburn et al, 2011;Cuker et al, 2020;Holmøy et al, 2019;Obermann et al, 2016;Pfeuffer et al, 2016Pfeuffer et al, , 2021Ruck et al, 2018Ruck et al, , 2019Tuohy et al, 2015;Vukusic et al, 2019). Over the last years, side effects occurred raising safety considerations for different drugs after their approval.…”
Section: Discussionmentioning
confidence: 99%
“…The resulting inadequate T-cell regulation leads to uncontrolled B-cell activity, which leads to increased autoreactivity of certain cell populations [1,28,29]. This also explains the induction of melanocyte-specific antibodies in patients with NSV and halo naevus-like depigmentation [13] after alemtuzumab. Alemtuzumab also depletes peripheral T cells but not memory T cells of the skin [30], which play an increasingly noted part in the pathogenesis of vitiligo.…”
Section: Discussionmentioning
confidence: 99%
“…The disease occurred in all patients about a year after the start of treatment [12]. We recently reported a further patient with RRMS, who developed areas of halo naevus-like depigmentation over the entire skin following an alemtuzumab infusion [13]. Immunohistology showed an absence of melanocytes in the epidermis and a T-cell infiltrate in the upper dermis in the depigmented region of the halo naevus (PanMel and CD3 staining).…”
Section: Vitiligomentioning
confidence: 99%
“…Die Erkrankung trat bei allen Patienten circa ein Jahr nach Therapiebeginn auf [12]. Kürzlich berichteten wir über einen weiteren Patient mit RRMS, der im Anschluss an eine Alemtuzumab‐Infusion Halo‐Naevus‐artige Depigmentierungen an der gesamten Haut entwickelte [13]. Immunhistologisch zeigte sich im depigmentierten Bereich des Halo‐Nävus in der Epidermis ein Fehlen der Melanozyten und ein T‐Zell‐Infiltrat in der oberen Dermis (PanMel‐ und CD3‐Färbung).…”
Section: Autoimmune Reaktionen An Der Hautunclassified
“…Die hieraus resultierende unzureichende T‐Zellregulierung führt zu einer unkontrollierten B‐Zellaktivität, die eine vermehrte Autoreaktivität bestimmter Zellpopulationen zur Folge hat [1, 28, 29]. Dies erklärt auch die Induktion Melanozyten‐spezifischer Antikörper bei Patienten mit NSV und Halo‐Naevus‐artigen Depigmentierungen [13] nach Alemtuzumab. Alemtuzumab depletiert zudem zwar periphere T‐Zellen, nicht jedoch Gedächtnis‐T‐Zellen der Haut [30], die pathogenetisch bei der Vitiligo eine zunehmend beachtete Rolle spielen.…”
Section: Diskussionunclassified