Humoral and cellular immunity to SARS-CoV-2 Ancestral and Omicron BA.5 variants following vaccination in myelofibrosis patients

Ahmad Alcheikh, Griffith B. Perkins, Phillippa A. Pucar, Amelia Cecchin, Cheng Sheng Chai, Matthew Tunbridge, Anouschka Akerman, Anupriya Aggarwal, Vanessa Milogiannakis, Stuart Turville, Sharon Allen, Pravin Hissaria, Tatjana Banovic, P. Toby Coates, David M. Ross

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2 Citations (Scopus)
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Abstract

Dear Editor,

Myelofibrosis (MF) is a clonal myeloproliferative neoplasm associated with inflammatory manifestations including fibrosis and constitutional symptoms. The standard treatment for symptomatic MF is ruxolitinib, a JAK1/2 inhibitor (JAKi) that antagonizes cytokine receptor signalling. JAK-dependent cytokine signals are integral to an effective inflammatory response and ruxolitinib treatment is accompanied by an increased risk of infection, including reactivation of varicella zoster virus and tuberculosis. Individuals with advanced MF have an increased risk of severe COVID-19, and impaired response to vaccination.

In response to the COVID-19 pandemic, Australia implemented strict isolation measures. Negligible community transmission of SARS-CoV-2 until November 2021 in South Australia provided the opportunity to assess vaccine responses with minimal interference from natural infection...
Original languageEnglish
Article number50
Number of pages4
JournalBlood Cancer Journal
Volume13
Issue number1
DOIs
Publication statusPublished - 10 Apr 2023

Keywords

  • Adaptive immunity
  • Infectious diseases
  • Myeloproliferative disease
  • Preventive medicine
  • T cells

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