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Anticancer Drugs Belinostat Medicine Oncology Pharmacology Physiotherapy

Belinostat (Mechanism of Action)

In this article we will discuss Belinostat (Mechanism of Action)

In this article, we will discuss Belinostat (Mechanism of Action). So, let’s get started.

Mechanism of Action

Beleodaq is a histone deacetylase (HDAC) inhibitor. HDACs catalyze the removal of acetyl groups from the lysine residues of histones and some non-histone proteins. In vitro, belinostat caused the accumulation of
acetylated histones and other proteins, inducing cell cycle arrest and/or apoptosis of some transformed cells. Belinostat shows preferential cytotoxicity towards tumor cells compared to normal cells. Belinostat inhibited the enzymatic activity of histone deacetylases at nanomolar concentrations (<250 nM).

Pharmacodynamics

Cardiac Electrophysiology
Multiple clinical trials have been conducted with Beleodaq, in many of which ECG data were collected and analyzed by a central laboratory. Analysis of clinical ECG and belinostat plasma concentration data
demonstrated no meaningful effect of Beleodaq on cardiac repolarization. None of the trials showed any clinically relevant changes caused by Beleodaq on heart rate, PR duration or QRS duration as measures of
autonomic state, atrio-ventricular conduction or depolarization; there were no cases of Torsades de Pointes.

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