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Rolapitant Injection and Tusicof

Determining the interaction of Rolapitant Injection and Tusicof and the possibility of their joint administration.

Check result:

Rolapitant Injection <> Tusicof

Relevance: 27.04.2023 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:

Rolapitant may increase the blood levels and effects of dextromethorphan, even after you have stopped taking rolapitant for a while. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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 rolapitant may increase the plasma concentrations of drugs that are substrates of the CYP450 2D6 isoenzyme. Rolapitant is a moderate CYP450 2D6 inhibitor, with inhibitory effect lasting at least 7 days after a single dose. When a 30 mg dose of dextromethorphan, a CYP450 2D6 probe substrate, was administered with a 180 mg dose of rolapitant on day 1 of a pharmacokinetic study, dextromethorphan peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 120% and 160%, respectively. When dextromethorphan was administered on day 8 without rolapitant, Cmax and AUC increased by 180% and 230%, respectively. The duration of CYP450 2D6 inhibition was not studied beyond 7 days and may last longer.

MANAGEMENT: Caution is advised when rolapitant is prescribed with drugs that are significantly metabolized by CYP450 2D6, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever rolapitant is added to or withdrawn from therapy.

References

"Product Information. Varubi (rolapitant)." Tesaro Inc., Waltham, MA.

Rolapitant Injection

Generic Name: rolapitant

Brand name: Varubi

Synonyms: Rolapitant

What is Rolapitant Injection?

Tusicof

Generic Name: dextromethorphan / guaifenesin / phenylephrine

Brand name: Broncotron-D, Duravent DM, Giltuss, Mucinex Fast-Max Severe Congestion & Cough, Phlemex Forte, Robitussin Children's Cough & Cold CF, Robitussin Multi-Symptom Cold, Tusicof, Tussin CF, Vanacof DM, Z-tuss DM, Deconex DMX, Maxiphen DM, Tussex, Tussafed-EX, Sinutuss DM, GDP-EX, Duraphen DM, TriTuss, TriTuss-ER, Tussafed-EX Drops, Certuss-D, Dacex-PE, Anextuss, Dexcon-PE, Zotex LAX, Dacex-DM, Dexcon-DM, Duraphen II DM, Duraphen Forte, G-Phen DM, Despec DM Syrup, Phlemex-PE, Guaphen Forte, Guaphen II DM, Z-Dex, Aquatab C, Robafen CF, DuraMAX, Tusso-XR, Tusso-DM, Robitussin Cough & Cold CF, Ambi 40/1000/60, Maxiphen-G DM, Robitussin Pediatric Cough & Cold CF, Deconex DM, PDM GG, ExeTuss-DM, Endacon DM, Giltuss TR, Q-Tussin CF, Tusso-DMR, Execof ER, Dynatuss EX, Zotex, Robitussin Cough & Cold CF To Go, Zotex-EX, Endacon, Robitussin Cough & Cold CF Max, Mucinex Children's Multi-Symptom Cold, Supress-DX, Tussi-Pres, Tussi-Pres Pediatric, Pres Gen Pediatric, Pres Gen, Robitussin Peak Cold Max Strenth Multi-S, G-Tusicof, Adult Severe Congestion & Cough, Giltuss Pediatrics, Desgen DM, G-Supress DX, Tusslin, Desgen Pediatric, G-Tron Ped, Broncotron Ped, Tusslin Pediatric, Nivanex DMX, Relhist DMX, Giltuss Cough & Cold, Children Giltuss Cough & Cold, VanaTab DM, Tukol Cough & Cold, Robitussin Peak Cold Multi-Sympton Cold, Deconex DMX Poly, Tussidex

Synonyms: n.a.

What is Tusicof?

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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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