Which medications in the drug class Blood products are used in the treatment of Lambert-Eaton Myasthenic Syndrome (LEMS)?

Updated: May 23, 2019
  • Author: David E Stickler, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Blood products

Agents in this category may be used to improve clinical and immunologic aspects of LEMS. They may decrease autoantibody production and increase solubilization and removal of immune complexes. IVIg can be an effective treatment for LEMS.

Intravenous immunoglobulin (IVIg) (Gamunex-C, Gammagard, Carimune NF, Octagam, Privigen)

Features of IVIg that may be relevant to efficacy include neutralization of circulating antibodies through anti-idiotypic antibodies; downregulation of proinflammatory cytokines, including interferon gamma; blockade of Fc receptors on macrophages; suppression of inducer T and B cells and augmentation of suppressor T cells; blockade of the complement cascade; promotion of remyelination; and a possible increase in cerebrospinal fluid (CSF) immunoglobulin (IgG).

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