Introduction: Cyclin D-cyclin-dependent kinase (CDK) 4/6-inhibitor of CDK4/6-retinoblastoma (Rb) pathway hyperactivation is associated with hormone receptor-positive (HR+) breast cancer (BC). Ribociclib is an orally bioavailable, highly selective small molecule inhibitor of CDK4/6 that induces G1 arrest at sub-micromolar concentrations in a variety of pRb-positive cancer cells in vitro. Ribociclib is a new standard of care for metastatic HR+/HER2 negative metastatic breast cancer. Area covered: In this article, we review the preclinical and clinical development of ribociclib as well as discussing the role for novel applications of these agents outside the arena of HR-positive, HER2-negative advanced breast cancer. Expert opinion: Results of pivotal phase II and III trials investigating ribociclib in patients with advanced-stage (HR)-positive breast cancer have demonstrated a substantial improvement in progression-free survival, with a safe toxicity profile. Mechanisms of acquired resistance to CDK4/6 inhibitors are beginning to emerge and might enable rational post-CDK4/6 inhibitor therapeutic strategies to be identified. Extending the use of CDK4/6 inhibitors beyond ER-positive breast cancer is challenging, and will likely require biomarkers that are predictive of a response. The use of combination therapies to optimize CDK4/6 targeting is under development.
Pharmacokinetic drug evaluation of ribociclib for the treatment of metastatic, hormone-positive breast cancer / G. Curigliano, C. Criscitiello, A. Esposito, M. Intra, S. Minucci. - In: EXPERT OPINION ON DRUG METABOLISM & TOXICOLOGY. - ISSN 1742-5255. - 13:5(2017), pp. 575-581. [10.1080/17425255.2017.1318848]
Pharmacokinetic drug evaluation of ribociclib for the treatment of metastatic, hormone-positive breast cancer
G. Curigliano
Writing – Original Draft Preparation
;C. Criscitiello;S. Minucci
2017
Abstract
Introduction: Cyclin D-cyclin-dependent kinase (CDK) 4/6-inhibitor of CDK4/6-retinoblastoma (Rb) pathway hyperactivation is associated with hormone receptor-positive (HR+) breast cancer (BC). Ribociclib is an orally bioavailable, highly selective small molecule inhibitor of CDK4/6 that induces G1 arrest at sub-micromolar concentrations in a variety of pRb-positive cancer cells in vitro. Ribociclib is a new standard of care for metastatic HR+/HER2 negative metastatic breast cancer. Area covered: In this article, we review the preclinical and clinical development of ribociclib as well as discussing the role for novel applications of these agents outside the arena of HR-positive, HER2-negative advanced breast cancer. Expert opinion: Results of pivotal phase II and III trials investigating ribociclib in patients with advanced-stage (HR)-positive breast cancer have demonstrated a substantial improvement in progression-free survival, with a safe toxicity profile. Mechanisms of acquired resistance to CDK4/6 inhibitors are beginning to emerge and might enable rational post-CDK4/6 inhibitor therapeutic strategies to be identified. Extending the use of CDK4/6 inhibitors beyond ER-positive breast cancer is challenging, and will likely require biomarkers that are predictive of a response. The use of combination therapies to optimize CDK4/6 targeting is under development.File | Dimensione | Formato | |
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