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Mini-Reviews in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Mini-Review Article

Cyclin-Dependent Kinase 4/6 Inhibitors Against Breast Cancer

Author(s): Mohammed Al-Kassim Hassan and Zeynep Ates-Alagoz*

Volume 23, Issue 4, 2023

Published on: 23 September, 2022

Page: [412 - 428] Pages: 17

DOI: 10.2174/1389557522666220606095540

Price: $65

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Abstract

Breast cancer is the most frequently diagnosed and leading cause of cancer-related deaths in women worldwide. Based on global cancer (GLOBOCAN) 2020 statistics, 1 in 4 cancer cases and 1 in 6 cancer deaths are attributable to breast cancer, leading both in incidence and mortality. To address the increasing burden of cancer, novel therapeutic approaches that target key hallmarks of cancer are explored in cancer drug discovery. Cyclin-dependent kinase (CDK) inhibitors are generally purine and pyrimidine analogues validated for the treatment of cancer due to their unique roles in cancer deregulation and novel therapeutic potentials. So far, three orally administered, potent and highly selective CDK4/6 inhibitors (palbociclib, ribociclib, abemaciclib) have been approved by the FDA for the targeted treatment of advanced or metastatic breast cancer in combination with endocrine therapy. Furthermore, several compounds derived from various synthetic scaffolds are being explored with promising results and positive outcomes in various stages of clinical trials. In this review, we highlight these CDK4/6 inhibitor compounds with potent anti-CDK4/6, in vitro and in vivo activities on breast cancer cells. With the remarkable prospects of these compounds, there is great optimism further novel CDK inhibitor compounds will be discovered in the future that could boost therapeutic options for cancer treatment.

Keywords: Cyclin-dependent kinase inhibitors, CDK4/6, cell cycle, cyclin-D, synthetic scaffolds, breast cancer.

Graphical Abstract
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