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Drug Interactions between daunorubicin liposomal and posaconazole

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

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Interactions between your drugs

Moderate

DAUNOrubicin liposomal posaconazole

Applies to: daunorubicin liposomal and posaconazole

MONITOR: Coadministration with inhibitors of P-glycoprotein (P-gp) may increase the plasma concentrations of daunorubicin and idarubicin, both of which are substrates of the efflux transporter also known as ABCB1 or MDR1. The interaction has been studied with cyclosporine, a potent P-gp inhibitor, in attempt to overcome multidrug resistance in MDR1-overexpressing tumors. In a randomized study to test whether cyclosporine can enhance the antileukemia effect of anthracyclines, cyclosporine was found to significantly reduce the frequency of resistance to induction chemotherapy consisting of sequential cytarabine and daunorubicin (31% vs. 47%). The addition of cyclosporine also increased relapse-free and overall survival, particularly in patients with moderate or high P-gp expression. Pharmacokinetically, steady-state mean serum concentrations of daunorubicin and its active metabolite, daunorubicinol, were significantly higher (approximately 2-fold and 4-fold, respectively) in patients receiving cyclosporine. Although there was no significant difference in the frequency or severity of stomatitis or renal toxicity (as measured by creatinine elevation), grade 4 hyperbilirubinemia and grade 3 nausea occurred more frequently in patients receiving cyclosporine than in controls (31% vs. 4% and 11% vs. 3%, respectively). In a pharmacokinetic study of 27 patients with acute myelogenous leukemia receiving induction chemotherapy with idarubicin and cytarabine, the systemic exposure (AUC) to idarubicin and idarubicinol was increased by 77% and 182%, respectively, in patients administered cyclosporine 10 mg/kg daily compared to controls due to a 40% reduction in total body clearance. The interaction was also reported in another study in which increases in the AUC of idarubicin and idarubicinol were associated with increased levels of toxicity.

MANAGEMENT: Caution is advised if daunorubicin or idarubicin is prescribed in combination with a P-gp inhibitor. Patients should be closely monitored for increased adverse effects including cardiotoxicity and myelosuppression.

References

  1. "Multum Information Services, Inc. Expert Review Panel"
  2. (2001) "Product Information. Cerubidine (daunorubicin)." Wyeth-Ayerst Laboratories
  3. (2001) "Product Information. Idamycin (idarubicin)." Pharmacia and Upjohn
  4. (2001) "Product Information. Daunoxome (daunorubicin liposomal)." Nexstar Pharmaceuticals Inc
View all 4 references

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Drug and food interactions

Moderate

posaconazole food

Applies to: posaconazole

ADJUST DOSING INTERVAL: Food significantly increases the absorption of posaconazole from the oral suspension but only modestly from the delayed-release tablet. Following single-dose administration, posaconazole mean peak plasma concentration (Cmax) and systemic exposure (AUC) are approximately 2.5 to 3 times higher when the oral suspension is given with a nonfat meal or a nutritional supplement (14 grams of fat) than when given under fasting conditions, and approximately 3.5 to 4 times higher when given during or 20 minutes after a high-fat meal (50 grams of fat) than under fasting conditions. Acidic beverages may also increase posaconazole absorption. In 12 healthy volunteers, administration of a single 400 mg dose of posaconazole suspension with 12 ounces of ginger ale increased posaconazole Cmax by 92% and AUC by 70% compared to administration after fasting. In contrast, the Cmax and AUC of posaconazole increased by just 16% and 51%, respectively, when posaconazole tablets were given as a single 300 mg dose to healthy volunteers after a high-fat meal relative to a fasted state.

GENERALLY AVOID Concomitant use of alcohol and posaconazole administered in the form of delayed-release oral suspension may lead to a faster release of posaconazole. An in vitro dissolution study determined a potential for alcohol-induced dose-dumping with the delayed-release oral suspension of posaconazole.

MONITOR: In 5 study subjects, posaconazole Cmax decreased by 27% to 53% and AUC decreased by 33% to 51% when the oral suspension was administered via a nasogastric tube as opposed to orally.

MANAGEMENT: Posaconazole tablets should be taken with food, whereas posaconazole oral suspension should be administered during or immediately (i.e., within 20 minutes) following a full meal to enhance bioavailability. Patients who cannot eat a full meal should take the suspension with a liquid nutritional supplement or an acidic carbonated beverage such as ginger ale. In patients who cannot eat a full meal or tolerate an oral nutritional supplement or an acidic carbonated beverage and who do not have the option of taking another formulation of posaconazole, alternative antifungal therapy should be considered; otherwise, monitor patients closely for breakthrough fungal infections. Patients receiving posaconazole via a nasogastric tube should also be closely monitored due to increased risk of treatment failure associated with lower plasma exposure. Administration of alcohol with posaconazole from the delayed-release oral suspension formulation is not recommended.

References

  1. (2006) "Product Information. Noxafil (posaconazole)." Schering-Plough Corporation
  2. Sansone-Parsons A, Krishna G, Calzetta A, et al. (2006) "Effect of a nutritional supplement on posaconazole pharmacokinetics following oral administration to healthy volunteers." Antimicrob Agents Chemother, 50, p. 1881-3
  3. Krishna G, Moton A, Ma L, Malavade D, Medlock M, McLeod J (2008) "Effect of gastric pH, dosing regimen and prandial state, food and meal timing relative to dose, and gastro-intestinal motility on absorption and pharmacokinetics of the antifungal posaconazole." 18th European Congress of Clinical Microbiology and Infectious Diseases, April, p. 20
  4. Walravens J, Brouwers J, Spriet I, Tack J, Annaert P, Augustijns P (2011) "Effect of pH and Comedication on Gastrointestinal Absorption of Posaconazole: Monitoring of Intraluminal and Plasma Drug Concentrations." Clin Pharmacokinet, 50, p. 725-34
View all 4 references

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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.

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