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image of Adverse Events Associated with Antivirals for COVID-19: An Analysis Based on FDA Adverse Event Reporting System (FAERS)

Abstract

Background

The COVID-19 pandemic has called for the rapid development and use of antiviral drugs to effectively control the disease. Nirmatrelvir/Ritonavir (Paxlovid), Molnupiravir, and Remdesivir have been pivotal in therapeutic approaches, although they raise concerns regarding adverse drug reactions (ADRs).

Objective

This study aimed to thoroughly assess the ADRs associated with these drugs by utilizing the Adverse Event Reporting System (FAERS) database of the Food and Drug Administration (FDA).

Methods

ADR reports for Paxlovid, Molnupiravir, and Remdesivir throughout the period of January 2022 to May 2023 were extracted and classified according to the severity, type of reaction, and demographic variables. Reporting Odds Ratios (RORs) with 95% confidence intervals were calculated to evaluate the relationship between antiviral medications and various ADRs.

Results

The study established notable correlations between Paxlovid and the recurrence of the disease (40.08%) and dysgeusia (16.29%). Molnupiravir was linked to gastrointestinal (16.73%) and skin reactions (9.47%), while Remdesivir had impairments in the liver (25.21%) and kidneys (13.34%). ADRs were more commonly observed in female patients treated with Paxlovid (57.95%) and Molnupiravir (49.40%), whereas Remdesivir ADRs were mostly reported in males (58.56%). Paxlovid and Remdesivir ADRs were frequently reported in adults between the ages of 18 and 64 (46.01% and 45.01%), while Molnupiravir ADRs were more common in older individuals aged 65 to 85 (40.38%).

Conclusion

This thorough assessment emphasizes the importance of careful surveillance and control of ADRs linked to COVID-19 antiviral therapies. It is essential to customize treatments by considering specific patient histories, particularly for pre-existing diseases.

© 2025 Bentham Science Publishers
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2025-01-03
2025-07-10

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/content/journals/cds/10.2174/0115748863334598241203073907
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Adverse Events Associated with Antivirals for COVID-19: An Analysis Based on FDA Adverse Event Reporting System (FAERS)
Bentham Science Publishers ; https://doi.org/10.2174/0115748863334598241203073907
/content/journals/cds/10.2174/0115748863334598241203073907
/content/journals/cds/10.2174/0115748863334598241203073907
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  • Article Type:     Research Article
Keywords: FAERS ; COVID-19 ; molnupiravir ; remdesivir ; paxlovid ; adverse drug reaction ; Nirmatrelvir/ritonavir

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