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Drug Interactions between nebivolol / valsartan and nilotinib

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

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Interactions between your drugs

Moderate

nebivolol nilotinib

Applies to: nebivolol / valsartan and nilotinib

MONITOR: Coadministration with inhibitors of CYP450 2D6 may increase the plasma concentrations of nebivolol, which is primarily metabolized by the isoenzyme The mechanism is decreased clearance due to inhibition of CYP450 2D6 activity. Several studies have shown that coadministration of CYP450 2D6 inhibitors increases the peak plasma concentration (Cmax) and systemic exposure (AUC) of nebivolol. When the potent CYP450 2D6 inhibitor paroxetine (20-40 mg daily) was coadministered with nebivolol (5 mg) in 23 healthy subjects, nebivolol's Cmax and AUC increased by 5.7-fold and 6.1-fold, respectively. Similarly, when bupropion (300 mg), a potent CYP450 2D6 inhibitor, was coadministered with nebivolol in 18 healthy volunteers, the Cmax and AUC increased by 2.3-fold and 7.2-fold, respectively. Fluoxetine (20 mg daily), a potent CYP450 2D6 inhibitor, increased nebivolol's Cmax and AUC by approximately 2.3-fold and 6-fold in 10 patients. Fluvoxamine, a mild CYP450 2D6 inhibitor, increased Cmax and AUC by 1.41-fold and 1.44-fold in 18 healthy volunteers. However, no data resulted in significant changes to heart rate or blood pressure.

MANAGEMENT: Caution is advised when nebivolol is used concomitantly with CYP450 2D6 inhibitors. Additional caution and monitoring are advised if the coadministered CYP450 2D6 inhibitor may potentiate the blood pressure lowering effects of nebivolol (e.g., phenothiazines, tricyclic antidepressants (TCAs), and some antipsychotic (neuroleptic) agents). Patients should be monitored closely for adverse effects such as bradycardia, diarrhea, nausea, fatigue, chest pain, peripheral edema, headache, dizziness, insomnia, dyspnea and rash, and the nebivolol dose should be adjusted according to blood pressure response.

References (7)
  1. Lindamood C, Ortiz S, shaw a, Rackley R, Gorski JC (2011) "Effects of commonly administered agents and genetics on nebivolol pharmacokinetics: drug-drug interaction studies." J Clin Pharmacol, 51, p. 575-85
  2. Gheldiu AM, Vlase L, Popa A, et al. (2017) "Investigation of a potential pharmacokinetic interaction between nebivolol and fluvoxamine in healthy volunteers." J Pharm Pharm Sci, 20, p. 68-80
  3. Briciu C, Neag M, Muntean D, et al. (2014) "A pharmacokinetic drug interaction study between nebivolol and paroxetine in healthy volunteers." J Clin Pharm Ther, 39, p. 535-40
  4. Gheldiu AM, Popa A, Neag M, et al. (2016) "Assessment of a potential pharmacokinetic interaction between nebivolol and bupropion in healthy volunteers." Pharmacology, 98, p. 190-8
  5. (2024) "Product Information. Nebivolol (nebivolol)." Apnar Pharma LLP
  6. (2025) "Product Information. Nebivolol (nebivolol)." Glenmark Pharmaceuticals Europe Ltd
  7. (2024) "Product Information. Nepiten (nebivolol)." Southern Cross Pharma Pty Ltd

Drug and food interactions

Major

nilotinib food

Applies to: nilotinib

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of nilotinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. Because nilotinib is associated with concentration-dependent prolongation of the QT interval, increased levels may potentiate the risk of ventricular arrhythmias such as torsade de pointes and sudden death.

ADJUST DOSING INTERVAL: Food increases the oral bioavailability of nilotinib. The mechanism of interaction is unknown. Compared to the fast state, nilotinib systemic exposure (AUC) increased by 82% when the dose was given 30 minutes after a high-fat meal. Because nilotinib is associated with concentration-dependent prolongation of the QT interval, increased levels may potentiate the risk of ventricular arrhythmias such as torsade de pointes and sudden death.

MANAGEMENT: Patients treated with nilotinib should avoid consumption of grapefruit, grapefruit juice, and any supplement containing grapefruit extract. In addition, no food should be consumed for at least 2 hours before and 1 hour after a nilotinib dose.

References (1)
  1. (2007) "Product Information. Tasigna (nilotinib)." Novartis Pharmaceuticals
Moderate

valsartan food

Applies to: nebivolol / valsartan

GENERALLY AVOID: Moderate-to-high dietary intake of potassium, especially salt substitutes, may increase the risk of hyperkalemia in some patients who are using angiotensin II receptor blockers (ARBs). ARBs can promote hyperkalemia through inhibition of angiotensin II-induced aldosterone secretion. Patients with diabetes, heart failure, dehydration, or renal insufficiency have a greater risk of developing hyperkalemia.

MANAGEMENT: Patients should receive dietary counseling and be advised to not use potassium-containing salt substitutes or over-the-counter potassium supplements without consulting their physician. If salt substitutes are used concurrently, regular monitoring of serum potassium levels is recommended. Patients should also be advised to seek medical attention if they experience symptoms of hyperkalemia such as weakness, irregular heartbeat, confusion, tingling of the extremities, or feelings of heaviness in the legs.

References (2)
  1. (2001) "Product Information. Cozaar (losartan)." Merck & Co., Inc
  2. (2001) "Product Information. Diovan (valsartan)." Novartis Pharmaceuticals

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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