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Salmeterol Xinafoate and Zykadia

Determining the interaction of Salmeterol Xinafoate and Zykadia and the possibility of their joint administration.

Check result:
Salmeterol Xinafoate <> Zykadia
Relevance: 22.12.2022 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.GENERALLY AVOID: Coadministration with potent inhibitors of CYP450 3A4 may significantly increase the systemic levels and pharmacologic effects of salmeterol, which is primarily metabolized by the isoenzyme. Because salmeterol prolongs the QT interval in a dose-dependent manner, high systemic levels of salmeterol may increase the risk of ventricular arrhythmias such as ventricular tachycardia, ventricular fibrillation, and torsade de pointes. In a placebo-controlled, crossover drug interaction study consisting of 20 healthy subjects, coadministration of salmeterol (50 mcg twice daily) and the potent CYP450 3A4 inhibitor ketoconazole (400 mg once daily) for 7 days resulted in a 16-fold increase in plasma salmeterol exposure (AUC) mainly due to increased bioavailability of the swallowed portion of the dose. Peak plasma salmeterol concentrations (Cmax) were increased by 1.4-fold, and three out of 20 subjects (15%) were withdrawn from the combination due to salmeterol-mediated systemic effects (two with QTc prolongation and one with palpitations and sinus tachycardia). Coadministration of salmeterol and ketoconazole did not result in a clinically significant effect on mean heart rate, blood potassium, or blood glucose. Although there was no statistical effect on the mean QTc, the combination was associated with more frequent increases in QTc duration than salmeterol and placebo. MANAGEMENT: Concomitant use of salmeterol with potent CYP450 3A4 inhibitors is not recommended. References Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0 "Product Information. Severent (salmeterol)." Glaxo Wellcome, Research Triangle Park, NC.

Professional:

GENERALLY AVOID: Coadministration with potent inhibitors of CYP450 3A4 may significantly increase the systemic levels and pharmacologic effects of salmeterol, which is primarily metabolized by the isoenzyme. Because salmeterol prolongs the QT interval in a dose-dependent manner, high systemic levels of salmeterol may increase the risk of ventricular arrhythmias such as ventricular tachycardia, ventricular fibrillation, and torsade de pointes. In a placebo-controlled, crossover drug interaction study consisting of 20 healthy subjects, coadministration of salmeterol (50 mcg twice daily) and the potent CYP450 3A4 inhibitor ketoconazole (400 mg once daily) for 7 days resulted in a 16-fold increase in plasma salmeterol exposure (AUC) mainly due to increased bioavailability of the swallowed portion of the dose. Peak plasma salmeterol concentrations (Cmax) were increased by 1.4-fold, and three out of 20 subjects (15%) were withdrawn from the combination due to salmeterol-mediated systemic effects (two with QTc prolongation and one with palpitations and sinus tachycardia). Coadministration of salmeterol and ketoconazole did not result in a clinically significant effect on mean heart rate, blood potassium, or blood glucose. Although there was no statistical effect on the mean QTc, the combination was associated with more frequent increases in QTc duration than salmeterol and placebo.

MANAGEMENT: Concomitant use of salmeterol with potent CYP450 3A4 inhibitors is not recommended.

References
  • Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  • "Product Information. Severent (salmeterol)." Glaxo Wellcome, Research Triangle Park, NC.
Salmeterol Xinafoate

Generic Name: salmeterol

Brand name: Serevent Diskus, Serevent

Synonyms: Salmeterol, Salmeterol (inhalation)

Zykadia

Generic Name: ceritinib

Brand name: Zykadia

Synonyms: n.a.

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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