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Darunavir Tablets and Lefamulin Tablets

Determining the interaction of Darunavir Tablets and Lefamulin Tablets and the possibility of their joint administration.

Check result:
Darunavir Tablets <> Lefamulin Tablets
Relevance: 17.05.2023 Reviewer: Shkutko P.M., M.D., in

In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.

Consumer:

Consumer information for this interaction is not currently available.MONITOR: Coadministration with inhibitors of CYP450 3A4 and/or P-gp may increase the plasma concentrations of lefamulin, which is a substrate of both the isoenzyme and efflux transporter. When oral lefamulin was administered with oral ketoconazole, a potent CYP450 3A4/P-gp inhibitor, mean lefamulin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 58% and 165%, respectively. Coadministration of intravenous lefamulin with oral ketoconazole increased mean lefamulin Cmax and AUC by 6% and 31%, respectively. Increased exposure to lefamulin may increase the risk of QT interval prolongation, which has been associated with ventricular arrhythmias including torsade de pointes and sudden death. MANAGEMENT: Caution is advised when lefamulin is used with CYP450 3A4 and/or P-gp inhibitors. Patients should be monitored for increased adverse effects and seek prompt medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope. References "Product Information. Xenleta (lefamulin)." Nabriva Therapeutics US, Inc., King of Prussia, PA.

Professional:

MONITOR: Coadministration with inhibitors of CYP450 3A4 and/or P-gp may increase the plasma concentrations of lefamulin, which is a substrate of both the isoenzyme and efflux transporter. When oral lefamulin was administered with oral ketoconazole, a potent CYP450 3A4/P-gp inhibitor, mean lefamulin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 58% and 165%, respectively. Coadministration of intravenous lefamulin with oral ketoconazole increased mean lefamulin Cmax and AUC by 6% and 31%, respectively. Increased exposure to lefamulin may increase the risk of QT interval prolongation, which has been associated with ventricular arrhythmias including torsade de pointes and sudden death.

MANAGEMENT: Caution is advised when lefamulin is used with CYP450 3A4 and/or P-gp inhibitors. Patients should be monitored for increased adverse effects and seek prompt medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope.

References
  • "Product Information. Xenleta (lefamulin)." Nabriva Therapeutics US, Inc., King of Prussia, PA.
Darunavir Tablets

Generic Name: darunavir

Brand name: Prezista

Synonyms: Darunavir

Lefamulin Tablets

Generic Name: lefamulin

Brand name: Xenleta

Synonyms: Lefamulin Injection, Lefamulin, Lefamulin (oral/injection)

In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.

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