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Flecainide is an antiarrhythmic drug (AAD) class IC that has a narrow therapeutic index. The enzymes CYP2D6 and CYP1A2 are thought to catalyse the metabolism of this medication. This gene's polymorphism permits metabolic adjustments and modifies the pharmacokinetic profile. The objective of this review is to elucidate the impact of CYP2D6 and CYP1A2 gene polymorphisms on the pharmacological response to flecainide within the human body. Using the search terms "flecainide and CYP2D6; "flecainide and CYP1A2," papers on PubMed and Science Direct were found for the review. When the terms "flecainide and CYP2D6" were searched for in PubMed for all publications published between 2000 and 2023, 23 results were identified; when the same terms were searched on SD (Research article & English version), 97 results were found, just 13 of which were open access. With the keyword "flecainide and CYP1A2" in PubMed, a search of all articles published from 1995 to 2023 there were 7 articles and 52 articles in SD (Research article & English version), meanwhile open access were 8 articles. We add several articles other than PubMed and SD. The kinetic profile of flecainide is influenced by CYP2D6 gene polymorphism, however the effect of CYP1A2 gene polymorphism on flecainide is unknown due to a lack of studies.
EM Sutrisna (Wed,) studied this question.