Convalescent plasma in patients receiving rituximab or ocrelizumab for multiple sclerosis or neuromyelitis Optica spectrum disorder with Covid-19: A multicenter retrospective study
Tanguy Dequidt , Quentin Richier , Céline Louapre , Florence Ader , Yanis Merad , Nicolas Lauwerier , Christine Jacomet , Michel Carles , Charlotte Biron , Vincent Gendrin , Clément Marlat , François Danion , Tristan M Lepage , Albert Sotto , Loïc Bourdellon , Alexandre Mania , Martin Martinot , Georges Le Falher , Alexis Ferre , Benoit Pilmis , Guillaume Martin-Blondel
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引用次数: 0
Abstract
Background
Despite vaccination, patients receiving anti-CD20 monoclonal antibodies (mAbs) for multiple sclerosis (MS) or neuromyelitis optica spectrum disorders (NMOSD) have an increased risk of developing severe or protracted COVID-19. The aim of this study was to describe the effect of COVID-19 convalescent plasma (CCP) in patients with MS or NMOSD exposed to anti-CD20 and infected by SARS-CoV-2.
Methods
This French national, retrospective cohort study was conducted between November 2020 and June 2023. Patients with MS or NMOSD, under anti-CD20 mAbs, with symptomatic COVID-19 and treated by CCP were screened. Protracted COVID-19 was defined by a duration of symptoms >21 days. The primary endpoint was the overall survival 30 days after CCP administration.
Results
Ninety-two patients from 34 hospitals were included, 84 (91%) with MS and 8 (9%) with NMOSD. Overall, 30-day survival was 97% (IC95%: 91-99). SARS-CoV-2 viremia was positive in 47/75 (61%) patients before CCP versus 9/59 (15%) seven days post-CCP. In the 52 patients (57%) with protracted COVID-19, the duration of symptoms before CCP was 51 [28-69] days, including fever in 75% of cases, which disappeared in 100% of patients 7 days post-CCP.
Conclusions
CCP could be a therapeutic option in patients exposed to anti-CD20 mAbs for inflammatory demyelinating disease, particularly in those with protracted COVID-19.
期刊介绍:
International Journal of Infectious Diseases (IJID)
Publisher: International Society for Infectious Diseases
Publication Frequency: Monthly
Type: Peer-reviewed, Open Access
Scope:
Publishes original clinical and laboratory-based research.
Reports clinical trials, reviews, and some case reports.
Focuses on epidemiology, clinical diagnosis, treatment, and control of infectious diseases.
Emphasizes diseases common in under-resourced countries.