Longitudinal analysis of tetanus- and influenza-specific IGG antibodies in myeloma patients

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Abstract

Background. Multiple myeloma (MM) and its therapies may induce a severely compromised humoral immunity. We have performed a longitudinal analysis of IgG-antibody responses against influenza virus (FLU) and tetanus toxoid (TT) as surrogate markers for the B cell-mediated immunity in MM patients. Methods. 1094 serum samples of 190MM patients and samples from 100 healthy donors were analyzed by ELISA for FLU- and TT-specific antibodies. Results. MM patients evidenced lower levels of FLU- and TT-specific antibodies than healthy controls (P < 0.001). Immunoreactivity decreased with progressing disease and worsening clinical status. Levels of FLU- and TT-specific antibodies increased shortly (0-6 months) after alloSCT (P < 0.001), a time-period during which intravenous immunoglobulin (IVIG) is routinely applied. Thereafter, antibody concentrations declined and remained suppressed for 3 years in the case of FLU-specific and for more than 5 years in the case of TT-specific antibodies. Conclusions. We found that MM is associated with a profound disease- and therapy-related immunosuppression, which is compensated for a few months after alloSCT, most likely by application of IVIG. This and the differences regarding the recovery of anti-FLU and anti-TT antibody titers during the following years need to be taken into account for optimizing IVIG application and immunization after alloSCT. © Copyright 2012 Sebastian Kobold et al.

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Kobold, S., Luetkens, T., Bartels, B. M., Cao, Y., Hildebrandt, Y., Sezer, O., … Atanackovic, D. (2012). Longitudinal analysis of tetanus- and influenza-specific IGG antibodies in myeloma patients. Clinical and Developmental Immunology, 2012. https://doi.org/10.1155/2012/134081

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