Universität zu Köln

Meisel, Andreas ORCID: 0000-0001-7233-5342, Baggi, Fulvio, Behin, Anthony, Evoli, Amelia, Kostera-Pruszczyk, Anna, Mantegazza, Renato, Morales, Raul Juntas, Punga, Anna Rostedt, Sacconi, Sabrina, Schroeter, Michael, Verschuuren, Jan, Crathorne, Louise, Holmes, Kris and Leite, Maria-Isabel (2023). Role of autoantibody levels as biomarkers in the management of patients with myasthenia gravis: A systematic review and expert appraisal. Eur. J. Neurol., 30 (1). S. 266 - 283. HOBOKEN: WILEY. ISSN 1468-1331

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Abstract

Background and purpose Although myasthenia gravis (MG) is recognized as an immunoglobulin G autoantibody-mediated disease, the relationship between autoantibody levels and disease activity in MG is unclear. We sought to evaluate this landscape through systematically assessing the evidence, testing the impact of predefined variables on any relationship, and augmenting with expert opinion. Methods In October 2020, a forum of leading clinicians and researchers in neurology from across Europe (Expert Forum for Rare Autoantibodies in Neurology in Myasthenia Gravis) participated in a series of virtual meetings that took place alongside the conduct of a systematic literature review (SLR). Results Forty-two studies were identified meeting inclusion criteria. Of these, 10 reported some correlation between a patient's autoantibody level and disease severity. Generally, decreased autoantibody levels (acetylcholine receptor, muscle-specific kinase, and titin) were positively and significantly correlated with improvements in disease severity (Quantitative Myasthenia Gravis score, Myasthenia Gravis Composite score, Myasthenia Gravis Activities of Daily Living score, Myasthenia Gravis Foundation of America classification). Given the limited evidence, testing the impact of predefined variables was not feasible. Conclusions This first SLR to assess whether a correlation exists between autoantibody levels and disease activity in patients with MG has indicated a potential positive correlation, which could have clinical implications in guiding treatment decisions. However, in light of the limited and variable evidence, we cannot currently recommend routine clinical use of autoantibody level testing in this context. For now, patient's characteristics, clinical disease course, and laboratory data (e.g., autoantibody status, thymus histology) should inform management, alongside patient-reported outcomes. We highlight the need for future studies to reach more definitive conclusions on this relationship.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Meisel, Andreas UNSPECIFIED orcid.org/0000-0001-7233-5342 UNSPECIFIED Baggi, Fulvio UNSPECIFIED UNSPECIFIED UNSPECIFIED Behin, Anthony UNSPECIFIED UNSPECIFIED UNSPECIFIED Evoli, Amelia UNSPECIFIED UNSPECIFIED UNSPECIFIED Kostera-Pruszczyk, Anna UNSPECIFIED UNSPECIFIED UNSPECIFIED Mantegazza, Renato UNSPECIFIED UNSPECIFIED UNSPECIFIED Morales, Raul Juntas UNSPECIFIED UNSPECIFIED UNSPECIFIED Punga, Anna Rostedt UNSPECIFIED UNSPECIFIED UNSPECIFIED Sacconi, Sabrina UNSPECIFIED UNSPECIFIED UNSPECIFIED Schroeter, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED Verschuuren, Jan UNSPECIFIED UNSPECIFIED UNSPECIFIED Crathorne, Louise UNSPECIFIED UNSPECIFIED UNSPECIFIED Holmes, Kris UNSPECIFIED UNSPECIFIED UNSPECIFIED Leite, Maria-Isabel UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-695534
DOI:	10.1111/ene.15565
Journal or Publication Title:	Eur. J. Neurol.
Volume:	30
Number:	1
Page Range:	S. 266 - 283
Date:	2023
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1468-1331
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ANTIACETYLCHOLINE RECEPTOR ANTIBODY; ACETYLCHOLINE-RECEPTOR; DISEASE SEVERITY; TITIN-ANTIBODIES; PROTEIN 4; MUSK; ASSOCIATION Multiple languages Clinical Neurology; Neurosciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/69553