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Ketek Pak and Zorbtive

Determining the interaction of Ketek Pak and Zorbtive and the possibility of their joint administration.

Check result:
Ketek Pak <> Zorbtive
Relevance: 09.09.2022 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:

Somatropin may reduce the blood levels of telithromycin, which may make the medication less effective in treating your infection. Contact your doctor if your symptoms worsen or your condition changes. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Professional:

MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of telithromycin, which is primarily metabolized by the isoenzyme. When telithromycin was given with the potent CYP450 3A4 inducer rifampin in repeated doses, telithromycin peak plasma concentration (Cmax) and systemic exposure (AUC) decreased on average by 79% and 86%, respectively. No data are available for use with other, less potent inducers. Subtherapeutic levels of telithromycin and loss of effect may occur. Enzyme activities usually return to normal 14 days after discontinuation of the inducing agent.

MANAGEMENT: The potential for diminished therapeutic effects of telithromycin should be considered when prescribed with CYP450 3A4 inducers. Pharmacologic response to telithromycin should be monitored closely during coadministration, and alternative treatment given if an interaction is suspected. Whenever possible, telithromycin should preferably not be used during or within 2 weeks after discontinuation of treatment with a CYP450 3A4 inducer.

References
  • European Agency for the Evaluation of Medicinal Products. Committee for Proprietary Medicinal Products "European Public Assessment Report Ketek (telithromycin) (Rev. 2) Available from: URL: http:www.emea.eu.int/humandocs/Humans/EPAR/Ketek/Ketek.htm." ([2001]):
  • "Product Information. Ketek (telithromycin)." Aventis Pharmaceuticals, Bridgewater, NJ.
Ketek Pak

Generic Name: telithromycin

Brand name: Ketek

Synonyms: Ketek Pak (Oral)

Zorbtive

Generic Name: somatropin

Brand name: Genotropin, Genotropin Miniquick, Humatrope, Norditropin FlexPro Pen, Norditropin Nordiflex Pen, Nutropin AQ NuSpin 10, Nutropin AQ Pen 10 Cartridge, Omnitrope, Saizen, Serostim, Tev-Tropin, Zomacton, Zorbtive, Nutropin, Norditropin, Nutropin AQ, Nutropin Depot, Norditropin Cartridge, Saizen Click-Easy, Omnitrope Pen 5 Cartridge, HumatroPen, Omnitrope Pen 10 Cartridge, Nutropin AQ Pen 20 Cartridge, Nutropin AQ NuSpin 5, Nutropin AQ NuSpin 20, Saizen Kit

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.

Interaction with food and lifestyle
Disease interaction