QT Interval Prolongation in COVID-19 Patients on Methadone Treatment

AUTHORS

Maryam Sefidgarnia ORCID 1 , Susan Salari ORCID 2 , Kamaledin Alaedini 2 , *

1 Department of Psychiatry, Psychiatry and Behavioral Sciences Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran

2 Psychiatry and Behavioral Sciences Research Center, Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran

How to Cite: Sefidgarnia M, Salari S , Alaedini K. QT Interval Prolongation in COVID-19 Patients on Methadone Treatment, Iran J Psychiatry Behav Sci. Online ahead of Print ; 14(2):e104431. doi: 10.5812/ijpbs.104431.

ARTICLE INFORMATION

Iranian Journal of Psychiatry and Behavioral Sciences: 14 (2); e104431
Published Online: May 26, 2020
Article Type: Editorial
Received: May 3, 2020
Revised: May 10, 2020
Accepted: May 11, 2020
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As a result of a widespread infection named coronavirus disease 2019 (COVID-19), there has been a critical request in the world for medications. Up to now, there are no proved effective therapeutic medicines for COVID-19. New medicines and immunizations will take time to be developed and disseminated to patients. Because of variables such as the history of prescription for other infectious diseases, availability, and relatively low cost (1), there has been increasing intrigue about the use of existing medications such as chloroquine (CQ) and hydroxychloroquine (HCQ) as potential treatments for this disease (2) or prophylaxis against COVID-19 (3). For instance, some overviews indicate that hydroxychloroquine is significantly associated with viral load reduction/disappearance in patients with COVID-19, and its impact is fortified by azithromycin (4).

Indeed, even though azithromycin is not approved for the treatment of viral pathogens, there are recounted reports that a few hospitals have started to use azithromycin in combination with hydroxychloroquine (HCQ) or chloroquine (CQ) for treatment of patients with COVID-19 (5). Tragically, these three specified drugs may increase the risk of QT prolongation and ventricular proarrhythmia, especially in severe COVID-19 patients (6).

Nowadays, methadone is one of the foremost popular synthetic opioids in the world with some favorable properties, making it a valuable treatment for both moderate to severe pain and opioid addiction. Unfortunately, this popular drug has multiple cardiac side effects, that the main of which is the prolongation of QT interval and torsade de pointes even at low doses (7). It is vital to note that using more than one proarrhythmic agent is known to extend the chance of significant QT prolongation (6, 8). In this manner, the administration of azithromycin and chloroquine/hydroxychloroquine, alone or in combination, for patients on methadone treatment may increase the risk of arrhythmia and death. It implies that the effectiveness of these drugs ought to be weighed against these unfavorable effects, and physicians need to consider the ways of reducing such undesirable impacts. We suggest that the risk of proarrhythmia be minimized by:

1) Taking exact drug history (especially for methadone consumption, as individuals may do not tend to report the history of methadone consumption due to social stigma);

2) Considering other risk factors such as old age, cardiac disease, diabetes, electrolyte abnormality, hypoglycemia, and renal failure (6);

3) Discontinuing unnecessary drugs that prolong QT interval or substitute with other agents with no such side effects (for example, replacement of methadone with buprenorphine);

4) Proper education of patients and physicians about this risk.

Footnotes

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  • Copyright © 2020, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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