UKRAINS'KYI VISNYK PSYKHONEVROLOHII

The Scientific and Practical Journal of Medicine
ISSN 2079-0325(p)
DOI 10.36927/2079-0325

CLINICAL AND PHARMACOLOGICAL ASSESSMENT OF METHADONE COMPATIBILITY WITH DRUGS USED IN THE THERAPY OF COVID-19

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Abstract

The aim of this study was to assess the clinical and pharmacological compatibility of methadone with drugs used in COVID-19 therapy among patients receiving methadone maintenance treatment (MMT). Bibliosemantic and analytical evaluation of the DrugBank and Liverpool COVID-19 Drug Interactions databases was conducted using artificial intelligence technologies (GPT-5). Molnupiravir, favipiravir, tocilizumab, baricitinib, dexamethasone, and methylprednisolone demonstrated clinical compatibility with methadone. Administration of nirmatrelvir/ ritonavir (Paxlovid) may decrease methadone exposure and provoke withdrawal symptoms, requiring dose adjustment. Remdesivir poses a potential risk of QT-interval prolongation. Co‑administration of methadone with macrolides (azithromycin, clarithromycin) or fluoroquinolones (ciprofloxacin, levofloxacin) may produce additive cardiotoxic effects; β-lactam antibiotics are preferred alternatives. The findings emphasize the importance of a multidisciplinary approach, serial ECG monitoring, electrolyte control, and use of interaction databases for safe management of MMT patients receiving COVID-19 polypharmacotherapy

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