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Drug Interactions between Aliqopa and Cytovene

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

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Interactions between your drugs

Moderate

ganciclovir copanlisib

Applies to: Cytovene (ganciclovir) and Aliqopa (copanlisib)

GENERALLY AVOID: The use of ganciclovir or its prodrug, valganciclovir, with other drugs associated with myelosuppression and/or nephrotoxicity may increase the risk and severity of these adverse reactions due to additive effects on the kidney and bone marrow. Valganciclovir is rapidly and extensively converted to ganciclovir, which has had the following adverse reactions observed with its treatment when used alone: severe leucopenia, neutropenia, anemia, thrombocytopenia, pancytopenia, bone marrow depression, aplastic anemia, increased serum creatinine levels, and acute renal failure. Additionally, ganciclovir is primarily renally excreted; therefore, patients with impaired renal function will have increased concentrations of ganciclovir and may be at an even greater risk of experiencing adverse reactions from treatment. Theoretically when two or more medications with similar side effect profiles are given concurrently, the likelihood of experiencing these adverse reactions may be increased.

MANAGEMENT: Ganciclovir or its prodrug, valganciclovir, should generally not be combined with other drugs associated with myelosuppression and/or nephrotoxicity unless the benefits are anticipated to outweigh the potential risks. Extreme caution is advised if they are used in patients who have recently received or are receiving treatment with myelotoxic and/or nephrotoxic drugs, and vice versa. If coadministration is required, reduced dosages of one or more of the drugs may be required, and the patient should be monitored for the development of hematologic and/or renal adverse effects both during and after discontinuation of therapy.

References

  1. "Product Information. Cytovene (ganciclovir)." Genentech PROD (2002):
  2. "Product Information. Valcyte (valganciclovir)." Roche Laboratories PROD (2001):
  3. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  4. Cerner Multum, Inc. "Australian Product Information." O 0
View all 4 references

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Drug and food interactions

Moderate

ganciclovir food

Applies to: Cytovene (ganciclovir)

ADJUST DOSING INTERVAL: Food delays but enhances the oral absorption and bioavailability of ganciclovir capsules, possibly due to prolongation of gastrointestinal transit time. In 20 HIV- and CMV-seropositive subjects, ganciclovir dosing (1000 mg every 8 hours) following a standardized high-fat breakfast increased the mean steady-state peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of ganciclovir by an average of 15% and 22%, respectively, compared to dosing after an overnight fast. The time to reach peak plasma concentration (Tmax) was prolonged from 1.8 to 3 hours. In another study of 15 such patients, administration of ganciclovir (2000 mg) within 30 minutes following a high-fat breakfast increased the Cmax and AUC an average of 111% and 114%, respectively, compared to administration in the fasting state (i.e. at least 1 hour before or 2 hours after a meal or snack). Over the total day of dosing (2000 mg orally three times a day), there was a mean increase of 48% and 97% in Cmax and AUC, respectively, and a 36% decrease in half-life during administration with meals.

MANAGEMENT: To ensure maximal oral absorption, oral ganciclovir should be administered with or immediately after a meal.

References

  1. "Product Information. Cytovene (ganciclovir)." Genentech PROD (2002):
  2. Lavelle J, Follansbee S, Trapnell CB, Buhles WC, Griffy KG, Jung D, Dorr A, Conner J "Effect of food on the relative bioavailability of oral ganciclovir." J Clin Pharmacol 36 (1996): 238-41
  3. Jung D, Griffy K, Dorr A "Effect of food on high-dose oral ganciclovir disposition in HIV-positive subjects." J Clin Pharmacol 39 (1999): 161-5

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Moderate

copanlisib food

Applies to: Aliqopa (copanlisib)

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of copanlisib. The proposed mechanism is inhibition of CYP450 3A4-mediated metabolism of copanlisib by certain compounds present in grapefruit. When a single 60 mg intravenous dose of copanlisib was administered to cancer patients in combination with the potent CYP450 3A4 and P-gp inhibitor, itraconazole (200 mg once daily for 10 days), mean copanlisib peak plasma concentration (Cmax) did not change but systemic exposure (AUC) increased by 53%. The interaction has not been studied with grapefruit juice. 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 exposure to copanlisib may increase the risk of adverse effects such as nausea, vomiting, diarrhea, stomatitis, hyperglycemia, hypertension, noninfectious pneumonitis, cutaneous reactions (e.g., exfoliative dermatitis, maculopapular rash), anemia, neutropenia, thrombocytopenia, and infections.

MANAGEMENT: Patients should avoid the consumption of grapefruit and grapefruit juice during treatment with copanlisib.

References

  1. "Product Information. Aliqopa (copanlisib)." Bayer Pharmaceutical Inc (2017):

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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.

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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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