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Drug Interactions between glycopyrrolate / indacaterol and venetoclax

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Minor

indacaterol venetoclax

Applies to: glycopyrrolate / indacaterol and venetoclax

Coadministration with inhibitors of CYP450 3A4 and/or P-glycoprotein may increase the systemic exposure to indacaterol following oral inhalation, as it is a substrate of both the isoenzyme and efflux transporter. When a single 300 mcg dose of indacaterol inhalation powder was administered in combination with the potent dual CYP450 3A4/P-glycoprotein inhibitor, ketoconazole (200 mcg twice daily for 7 days), indacaterol peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 1.3- and 1.9-fold, respectively. These changes probably reflect the impact of maximal combined inhibition. Similarly, verapamil 80 mg three times a day for 4 days increased indacaterol Cmax by 1.5-fold and AUC by 2-fold, while erythromycin 400 mg four times a day for 7 days increased indacaterol Cmax by 1.2-fold and AUC by 1.4-fold. Ritonavir 300 mg twice daily for 7.5 days had no effect on the Cmax of indacaterol, but increased its AUC by 1.7-fold. Indacaterol oral inhalation powder has been evaluated in clinical trials for up to one year at doses up to 600 mcg. No dosage adjustment is necessary at the 75 mcg dose when used with CYP450 3A4 and P-glycoprotein inhibitors.

References

  1. (2011) "Product Information. Arcapta Neohaler (indacaterol)." Novartis Pharmaceuticals

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Drug and food interactions

Major

venetoclax food

Applies to: venetoclax

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of venetoclax. Relative to fasting conditions, venetoclax systemic exposure (AUC) increased by approximately 3.4-fold when administered with a low-fat meal and by 5.1- to 5.3-fold when administered with a high-fat meal.

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of venetoclax. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Increased venetoclax exposure may potentiate the risk of tumor lysis syndrome, particularly at initiation of therapy and during the dosage ramp-up phase, as well as other adverse effects such as diarrhea, nausea, vomiting, neutropenia, anemia, and thrombocytopenia.

MANAGEMENT: Venetoclax should be administered with a meal and water at approximately the same time each day. Patients should avoid consumption of grapefruit products, Seville oranges, and starfruit during treatment with venetoclax.

References

  1. (2016) "Product Information. Venclexta (venetoclax)." AbbVie US LLC

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Moderate

glycopyrrolate food

Applies to: glycopyrrolate / indacaterol

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M (1973) "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol, 6, p. 107-12

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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