Nebivolol

Nebivolol

Basics

Nebivolol is a drug from the group of beta-blockers. It is used to treat heart failure and hypertension. However, due to the availability of better alternatives, beta-blockers are no longer the first choice in the treatment of primary hypertension. They are taken perorally in the form of tablets.

Nebivolol was patented by Menarini and Janssen Pharmaceutica in 1983 and first approved in 1997.

Effect

Pharmacodynamics

Nebivolol blocks β1- and β2-receptors, with many times greater selectivity for β1-receptors. A blockade of β1-receptors prevents endogenous ligands epinephrine and norepinephrine from binding to these receptors. These normally increase the frequency and force of the heartbeat. Blockade by nebivolol restores the abnormally increased heart rate to normal and allows the heart to pump blood more efficiently into the circulation. By blocking the β2-receptors, the smooth muscle of the blood vessels relaxes, resulting in a decrease in blood pressure. However, due to the high selectivity for β1-receptors, this effect is not very pronounced.

Pharmacokinetics

Absorption of nebivolol is not influenced by food intake. The maximum plasma level is reached after approximately 2-4 hours. The drug is 98% bound to serum albumin. Excretion occurs in both urine and stool. The half-life is about 12 hours.

Metabolism occurs in the liver and is catalyzed primarily by the enzyme CYP2D6. Due to genetic variations in the population, there are individuals who produce increased or decreased amounts of this enzyme. This can lead to considerable variations in the active ingredient in these individuals, which can influence the effect. Especially in the so-called "poor CYP2D6 metabolizers" (too little CYP2D6 present), increased plasma levels and thus increased undesirable side effects may occur after taking nebivolol. This particularly affects parts of the Caucasian population and individuals of African descent.

Drug interactions

Simultaneous intake with substances that are also degraded by CYP2D6 or intake of substances that inhibit or induce CYP2D6 may lead to altered serum concentrations. This may result in increased side effects or a lack of effect.

Toxicity

Side effects

  • Headache
  • Fatigue
  • Dizziness
  • Drowsiness
  • Decreased blood flow to extremities
  • Bradycardia

Contraindications

  • Severe bradycardia
  • Heart block greater than first degree
  • Cardiogenic shock
  • Decompensated heart failure
  • Sick sinus syndrome (unless a permanent pacemaker is present)
  • Patients with severe hepatic impairment
  • Hypersensitivity to nebivolol

Chemical & physical properties

ATC Code C07AB12
Formula C22H25F2NO4
Molar Mass (g·mol−1) 405.442
Melting Point (°C) 223-228
PKS Value 8.13
CAS Number 118457-14-0
PUB Number 71301
Drugbank ID DB04861

Editorial principles

All information used for the content comes from verified sources (recognised institutions, experts, studies by renowned universities). We attach great importance to the qualification of the authors and the scientific background of the information. Thus, we ensure that our research is based on scientific findings.
Markus Falkenstätter, BSc

Markus Falkenstätter, BSc
Author

Markus Falkenstätter is a writer on pharmaceutical topics in Medikamio's medical editorial team. He is in the last semester of his pharmacy studies at the University of Vienna and loves scientific work in the field of natural sciences.

Mag. pharm. Stefanie Lehenauer

Mag. pharm. Stefanie Lehenauer
Lector

Stefanie Lehenauer has been a freelance writer for Medikamio since 2020 and studied pharmacy at the University of Vienna. She works as a pharmacist in Vienna and her passion is herbal medicines and their effects.

The content of this page is an automated and high-quality translation from DeepL. You can find the original content in German here.

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