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Equetro and Mayzent Starter Pack

Determining the interaction of Equetro and Mayzent Starter Pack and the possibility of their joint administration.

Check result:
Equetro <> Mayzent Starter Pack
Relevance: 23.07.2022 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 drugs that cause moderate induction of CYP450 2C9 and strong induction of CYP450 3A4 may decrease the plasma concentrations of siponimod, which is primarily metabolized by these isoenzymes. This interaction includes concomitant use of siponimod with a moderate CYP450 2C9/strong CYP450 3A4 dual inducer or a moderate CYP450 2C9 inducer in combination with a separate strong CYP450 3A4 inducer. In CYP450 2C9*1/*1 genotype subjects, coadministration of a moderate CYP450 2C9/strong CYP450 3A4 dual inducer (rifampin 600 mg daily) and siponimod (2 mg daily) resulted in 57% and 45% decreases in siponimod steady-state AUC and Cmax, respectively. According to in silico (computer-based) evaluation, use of rifampin and efavirenz (moderate CYP450 3A4 inducer) resulted in decreases up to 78% and up to 52%, respectively, of siponimod steady-state AUC across CYP450 2C9 genotypes. The CYP450 2C9 genotype influences the fractional contributions of CYP450 2C9 and 3A4 to overall elimination. If the metabolic activity of CYP450 2C9 is decreased, a larger contribution of CYP450 3A4 can be anticipated. MANAGEMENT: Concomitant use of siponimod and drugs that cause moderate induction of CYP450 2C9 and strong induction of CYP450 3A4 is not recommended for all patients. Concomitant use of siponimod and moderate or strong CYP450 3A4 inducers is not recommended for patients with CYP450 2C9*1/*3 and *2/*3 genotype. Caution is advised if siponimod is used in combination with moderate CYP450 2C9 inducers. References "Product Information. Mayzent (siponimod)." Novartis Pharmaceuticals, East Hanover, NJ.

Professional:

GENERALLY AVOID: Coadministration with drugs that cause moderate induction of CYP450 2C9 and strong induction of CYP450 3A4 may decrease the plasma concentrations of siponimod, which is primarily metabolized by these isoenzymes. This interaction includes concomitant use of siponimod with a moderate CYP450 2C9/strong CYP450 3A4 dual inducer or a moderate CYP450 2C9 inducer in combination with a separate strong CYP450 3A4 inducer. In CYP450 2C9*1/*1 genotype subjects, coadministration of a moderate CYP450 2C9/strong CYP450 3A4 dual inducer (rifampin 600 mg daily) and siponimod (2 mg daily) resulted in 57% and 45% decreases in siponimod steady-state AUC and Cmax, respectively. According to in silico (computer-based) evaluation, use of rifampin and efavirenz (moderate CYP450 3A4 inducer) resulted in decreases up to 78% and up to 52%, respectively, of siponimod steady-state AUC across CYP450 2C9 genotypes. The CYP450 2C9 genotype influences the fractional contributions of CYP450 2C9 and 3A4 to overall elimination. If the metabolic activity of CYP450 2C9 is decreased, a larger contribution of CYP450 3A4 can be anticipated.

MANAGEMENT: Concomitant use of siponimod and drugs that cause moderate induction of CYP450 2C9 and strong induction of CYP450 3A4 is not recommended for all patients. Concomitant use of siponimod and moderate or strong CYP450 3A4 inducers is not recommended for patients with CYP450 2C9*1/*3 and *2/*3 genotype. Caution is advised if siponimod is used in combination with moderate CYP450 2C9 inducers.

References
  • "Product Information. Mayzent (siponimod)." Novartis Pharmaceuticals, East Hanover, NJ.
Equetro

Generic Name: carbamazepine

Brand name: Carbatrol, Epitol, Equetro, Tegretol, Tegretol XR, Tegretol, Tegretol XR

Synonyms: n.a.

Mayzent Starter Pack

Generic Name: siponimod

Brand name: Mayzent, Mayzent Starter Pack

Synonyms: Mayzent

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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