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    Home > Active Ingredient News > Blood System > AJH: Patients with myeloproliferative tumors treated with Ruxotinib have an impaired response to the first SARS-CoV-2 vaccination

    AJH: Patients with myeloproliferative tumors treated with Ruxotinib have an impaired response to the first SARS-CoV-2 vaccination

    • Last Update: 2022-01-08
    • Source: Internet
    • Author: User
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    Covid-19 is a disease caused by the pandemic SARS-CoV-2 infection , which has had a significant impact on patients with blood system diseases


    Covid-19 is a disease caused by the pandemic SARS-CoV-2 infection , which has had a significant impact on patients with blood system diseases


    A research team prospectively evaluated the serological response of 30 consecutive patients with PV, ET, and MF after the first injection of SARS-CoV-2 mRNA vaccine


    Figure 1: 18 MPN patients (black diamonds) treated with Ruxotinib, 12 MPN patients (red diamonds) not treated with Rusotinib, 14 healthy people (A) anti-Spike IgG, (B ) Serum level control (blue diamond) of anti-RBD IgG, (C) neutralizing antibody, before the first (T0) or second (T1) vaccine administration


    Figure 1: 18 MPN patients (black diamonds) treated with Rusotinib, 12 MPN patients (red diamonds) not treated with Rusotinib, 14 healthy people (A) anti-Spike IgG, (B ) Serum level control (blue diamond) of anti-RBD IgG, (C) neutralizing antibody, before the first (T0) or second (T1) vaccine administration


    Figure1 shows the level of individual anti-SARS-CoV-2 antibodies at T0 and T1


    p p p p 1(D)-(F)

    In summary, due to the limited number of subjects included, these findings provide a strong and urgent argument for the impaired early response of patients receiving ruxolitinib to the SARS-CoV-2 vaccine


    Patients receiving ruxolitinib have impaired early response to SARS-CoV-2 vaccine

    It is important to resolve whether the response mediated by T cells and other bone marrow cells is also impaired by Ruxotinib treatment, as they play a key role in SARS-CoV-2 infection


    Whether the response mediated by T cells and other bone marrow cells is also impaired by Ruxortinib treatment, because they play a key role in SARS-CoV-2 infection to prevent the initiation of Ruxortinib in patients not receiving Ruxortinib Tinib treatment may be prudent to delay the completion of vaccination, unless it is urgently needed
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