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Drug Interactions between bromfenac / gatifloxacin / prednisolone ophthalmic and everolimus

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

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Interactions between your drugs

Major

bromfenac everolimus

Applies to: bromfenac / gatifloxacin / prednisolone ophthalmic and everolimus

MONITOR CLOSELY: Coadministration of macrolide immunosuppressants with other nephrotoxic agents may increase the risk and/or severity of renal impairment due to additive adverse effects on the kidney. No formal interaction studies have been performed. However, clinical experience in coadministration with cyclosporine indicates increased renal toxicity as evidenced by increased serum creatinine and decreased glomerular filtration rate. An interaction with ibuprofen resulting in acute renal failure was suspected in two liver transplant patients who had been stabilized on tacrolimus.

MANAGEMENT: Caution is advised when macrolide immunosuppressants is used in patients who have recently received or are receiving treatment with other potentially nephrotoxic drugs (e.g., aminoglycosides; polypeptide, glycopeptide, and polymyxin antibiotics; amphotericin B; adefovir; cidofovir; tenofovir; foscarnet; cisplatin; cyclosporine; deferasirox; gallium nitrate; lithium; mesalamine; intravenous bisphosphonates; intravenous pentamidine; high intravenous dosages of methotrexate; high dosages and/or chronic use of nonsteroidal anti-inflammatory agents). Renal function should be closely monitored both during and after discontinuation of therapy. Patients should be advised to seek medical attention if they experience symptoms that may indicate nephrotoxicity such as decreased urine output, sudden weight gain, fluid retention, edema, or shortness of breath.

References

  1. Sheiner PA, Mor E, Chodoff L, Glabman S, Emre S, Schwartz ME, Miller CM "Acute renal, failure associated with the use of ibuprofen in two liver transplant recipients on FK506." Transplantation 57 (1994): 1132-3
  2. "Product Information. Prograf (tacrolimus)." Fujisawa PROD (2001):
  3. "Product Information. Rapamune (sirolimus)." Wyeth-Ayerst Laboratories PROD (2001):

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Drug and food interactions

Moderate

bromfenac food

Applies to: bromfenac / gatifloxacin / prednisolone ophthalmic

ADJUST DOSE: In-vivo studies have demonstrated that the absorption of bromfenac is greatly reduced if the drug is taken within three and one-half hours following a high fat meal. The concomitant administration of a high fat meal has led to a 75% reduction in peak plasma concentrations and a 60% reduction in total area under the curve. The mechanism has not been described.

MANAGEMENT: An increased dosage of bromfenac (from 25 to 50 mg) may be needed if a high fat meal is consumed. The clinician may want to warn the patient about subtherapeutic analgesic effects if high fat meals are regularly consumed.

References

  1. "Product Information. DurAct (bromfenac)." Wyeth-Ayerst Laboratories PROD

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Moderate

everolimus food

Applies to: everolimus

GENERALLY AVOID: Grapefruit juice may significantly increase the plasma concentrations of orally administered everolimus. The mechanism is inhibition of CYP450 3A4 and P-glycoprotein activity in the gut wall by certain compounds present in grapefruit.

MANAGEMENT: Patients treated with everolimus should avoid consumption of grapefruit and grapefruit juice.

References

  1. "Product Information. Afinitor (everolimus)." Novartis Pharmaceuticals (2009):

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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.