Neurogenic dysphagia: current pharmacogenomic perspectives

Author:

Guerra Joaquin,Naidoo Vinogran,Cacabelos Ramón

Abstract

Neurogenic dysphagia (ND) is characterized by a swallowing disorder where nervous system, muscle, and neuromuscular diseases are involved. DRD1, COMT, BDNF, and APOE are genes that may have a predictive role in the occurrence and evolution of ND. Many drugs that improve swallowing or can induce or exacerbate swallowing difficulties are related to dopamine metabolism and substance P. These pharmacological treatments for ND include dopamine precursors (levodopa), dopamine agonists (amantadine, apomorphine, cabergoline, and rotigotine), and TRP channel activators (capsaicin, piperine, and menthol). Since treatment outcomes are highly dependent on the genomic profiles of ND patients, personalized treatments should rely on pharmacogenetic procedures to optimize therapeutic interventions. Knowledge of the pharmacogenetic profiles of these drugs would minimize the occurrence of adverse drug reactions (especially to antidopaminergic medications) that may induce dysphagia and optimize pharmacological treatment that can ameliorate it. This knowledge should also be applied to the use of medications that control symptoms associated with dysphagia, such as sialorrhea, xerostomia, reflux, or hiccups.

Publisher

OAE Publishing Inc.

Subject

General Medicine

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