Repeated iv anti-CD20 treatment in multiple sclerosis: Long-term effects on peripheral immune cell subsets

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

  • Julia Feige - , Paracelsus Medizinischen Privatuniversität (Autor:in)
  • Tobias Moser - , Paracelsus Medizinischen Privatuniversität (Autor:in)
  • Katja Akgün - , Klinik und Poliklinik für Neurologie, Zentrum für klinische Neurowissenschaften, Universitätsklinikum Carl Gustav Carus Dresden, Technische Universität Dresden (Autor:in)
  • Kerstin Schwenker - , Paracelsus Medizinischen Privatuniversität (Autor:in)
  • Wolfgang Hitzl - , Paracelsus Medizinischen Privatuniversität (Autor:in)
  • Elisabeth Haschke-Becher - , Paracelsus Medizinischen Privatuniversität (Autor:in)
  • Tjalf Ziemssen - , Klinik und Poliklinik für Neurologie, Zentrum für klinische Neurowissenschaften, Universitätsklinikum Carl Gustav Carus Dresden, Technische Universität Dresden (Autor:in)
  • Johann Sellner - , Paracelsus Medizinischen Privatuniversität (Autor:in)

Abstract

OBJECTIVE: Repeated intravenous administration of anti-CD20 depleting monoclonal antibodies 6 months apart is among the highly effective treatment options in multiple sclerosis (MS). Here, we aimed to investigate peripheral immune cell subset depletion kinetics following either rituximab (RTX) or ocrelizumab (OCR) infusions in people with MS (pwMS).

METHODS: We studied pwMS treated de-novo with either RTX (n = 7) or OCR (n = 8). The examinations were scheduled before the initiation of anti-CD20 therapy and every 12 weeks for up to 15 months. Immunophenotyping of immune cell subsets in peripheral blood was performed by multiparametric fluorescence cytometry.

RESULTS: A significant, persistent decrease of CD19+ B cells was observed already with the first anti-CD20 infusion (p < 0.0001). A significant proportional reduction of memory B cells within the B-cell pool was achieved only after two treatment cycles (p = 0.005). We observed a proportional increase of immature (p = 0.04) and naive B cells (p = 0.004), again only after the second treatment cycle. As for the peripheral T-cell pool, we observed a continuous proportional increase of memory T helper (TH) cells/central memory TH cells (p = 0.02/p = 0.008), while the number of regulatory T cells (Treg) decreased (p = 0.007). The percentage of B-cell dependent TH17.1 central memory cells dropped after the second treatment cycle (p = 0.02). No significant differences in the depletion kinetics between RTX and OCR were found.

INTERPRETATION: Peripheral immune cell profiling revealed more differentiated insights into the prompt and delayed immunological effects of repeated intravenous anti-CD20 treatment. The observation of proportional changes of some pathogenetically relevant immune cell subsets only after two infusion cycles deserves further attention.

Details

OriginalspracheEnglisch
Seiten (von - bis)450-465
Seitenumfang16
FachzeitschriftAnnals of clinical and translational neurology
Jahrgang11 (2024)
Ausgabenummer2
Frühes Online-Datum10 Jan. 2024
PublikationsstatusVeröffentlicht - Feb. 2024
Peer-Review-StatusJa

Externe IDs

Scopus 85181871577
Mendeley ba0ee763-da63-3e15-ba94-742c005fa29d

Schlagworte

Schlagwörter

  • Multiple Sclerosis, Humans, B-Lymphocytes, Rituximab/pharmacology, Antigens, CD19/metabolism, Antibodies, Monoclonal/pharmacology

Bibliotheksschlagworte