{"title":"Pharmacokinetic Interactions of Paxlovid Involving CYP3A Enzymes and P-gp Transporter: An Overview of Clinical Data.","authors":"Naina Mohamed Pakkir Maideen, Krishnaveni Kandasamy, Rajkapoor Balasubramanian","doi":"10.2174/0113892002320326250123082112","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>The US FDA has approved paxlovid, a combination of nirmatrelvir and ritonavir, as the first oral treatment for the management of mild-to-moderate COVID-19 patients.</p><p><strong>Objective: </strong>The purpose of this review article is to explore the clinical data that is currently available regarding the drug-drug interactions (DDIs) of paxlovid with various medications.</p><p><strong>Methods: </strong>Keywords, such as drug interactions, paxlovid, ritonavir, nirmatrelvir, pharmacokinetic interactions, CYP3A, and P-glycoprotein, were used to search online databases, including LitCOVID, Scopus, Embase, EBSCO host, Google Scholar, ScienceDirect, Cochrane Library, and reference lists.</p><p><strong>Results: </strong>Paxlovid interacted with a variety of medications due to strong inhibition of CYP3A4 and P-gp transporter protein by ritonavir and the dual function of nirmatrelvir as a substrate and inhibitor of CYP3A enzymes and P-gp transporter protein. Numerous case reports and other studies determined that the risk of toxicities of several drugs, including anticoagulants (warfarin, rivaroxaban), calcium channel blockers (nifedipine, manidipine, verapamil), statins (atorvastatin), immunosuppressants (tacrolimus), antiarrhythmics (amiodarone), antipsychotics (clozapine, quetiapine), and ranolazine have been enhanced by the concomitant administration of paxlovid.</p><p><strong>Conclusion: </strong>Adverse effects of paxlovid from DDIs can range from less-than-ideal therapeutic responses to potentially fatal toxicities. Effective management requires close observation, adjustments to dosage, and assessment of substitute treatments. Collaboration between pharmacists and other medical professionals is necessary to guarantee effective and safe treatment outcomes of paxlovid therapy.</p>","PeriodicalId":10770,"journal":{"name":"Current drug metabolism","volume":" ","pages":"639-652"},"PeriodicalIF":1.8000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current drug metabolism","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2174/0113892002320326250123082112","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BIOCHEMISTRY & MOLECULAR BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Background: The US FDA has approved paxlovid, a combination of nirmatrelvir and ritonavir, as the first oral treatment for the management of mild-to-moderate COVID-19 patients.
Objective: The purpose of this review article is to explore the clinical data that is currently available regarding the drug-drug interactions (DDIs) of paxlovid with various medications.
Methods: Keywords, such as drug interactions, paxlovid, ritonavir, nirmatrelvir, pharmacokinetic interactions, CYP3A, and P-glycoprotein, were used to search online databases, including LitCOVID, Scopus, Embase, EBSCO host, Google Scholar, ScienceDirect, Cochrane Library, and reference lists.
Results: Paxlovid interacted with a variety of medications due to strong inhibition of CYP3A4 and P-gp transporter protein by ritonavir and the dual function of nirmatrelvir as a substrate and inhibitor of CYP3A enzymes and P-gp transporter protein. Numerous case reports and other studies determined that the risk of toxicities of several drugs, including anticoagulants (warfarin, rivaroxaban), calcium channel blockers (nifedipine, manidipine, verapamil), statins (atorvastatin), immunosuppressants (tacrolimus), antiarrhythmics (amiodarone), antipsychotics (clozapine, quetiapine), and ranolazine have been enhanced by the concomitant administration of paxlovid.
Conclusion: Adverse effects of paxlovid from DDIs can range from less-than-ideal therapeutic responses to potentially fatal toxicities. Effective management requires close observation, adjustments to dosage, and assessment of substitute treatments. Collaboration between pharmacists and other medical professionals is necessary to guarantee effective and safe treatment outcomes of paxlovid therapy.
期刊介绍：
Current Drug Metabolism aims to cover all the latest and outstanding developments in drug metabolism, pharmacokinetics, and drug disposition. The journal serves as an international forum for the publication of full-length/mini review, research articles and guest edited issues in drug metabolism. Current Drug Metabolism is an essential journal for academic, clinical, government and pharmaceutical scientists who wish to be kept informed and up-to-date with the most important developments. The journal covers the following general topic areas: pharmaceutics, pharmacokinetics, toxicology, and most importantly drug metabolism.
More specifically, in vitro and in vivo drug metabolism of phase I and phase II enzymes or metabolic pathways; drug-drug interactions and enzyme kinetics; pharmacokinetics, pharmacokinetic-pharmacodynamic modeling, and toxicokinetics; interspecies differences in metabolism or pharmacokinetics, species scaling and extrapolations; drug transporters; target organ toxicity and interindividual variability in drug exposure-response; extrahepatic metabolism; bioactivation, reactive metabolites, and developments for the identification of drug metabolites. Preclinical and clinical reviews describing the drug metabolism and pharmacokinetics of marketed drugs or drug classes.
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