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Hybrid Androgen Receptor Inhibitors Outperform Enzalutamide and EPI-001 in in vitro Models of Prostate Cancer Drug Resistance.

Published version
Peer-reviewed

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Authors

Nicolescu, Radu Costin Bizga  ORCID logo  https://orcid.org/0000-0003-2038-0672
Pérez-Areales, Francisco Javier  ORCID logo  https://orcid.org/0000-0001-9525-9346
Pandha, Hardev S 

Abstract

Androgen receptor targeted therapies for prostate cancer have serious limitations in advanced stages of the disease. While resistance to the FDA-approved enzalutamide is extensively documented, novel therapies based on epichlorohydrin scaffolds (EPI) are currently in clinical trials, but display suboptimal pharmacokinetics. Herein, we report the synthesis and biological characterisation of a novel class of compounds designed through covalently linking enzalutamide and EPI-001 through various triazole based linkers. The compounds display an 18 to 53 fold improvement in the cell killing potency towards C4-2b prostate cancer (PCa) cells compared to the gold standards of therapy, enzalutamide and EPI-001. The most promising compounds were proven to exhibit their toxicity exclusively through androgen receptor (AR) mediated pathways. This work sets the basis for the first class of hybrid AR inhibitors which successfully combine two drug moieties - EPI-001 and enzalutamide - into the same molecule.

Description

Funder: Prostate Cancer Foundation; Id: http://dx.doi.org/10.13039/100000892


Funder: UKRI; Id: http://dx.doi.org/10.13039/100014013


Funder: Trinity College Cambridge


Funder: University of Surrey PhD studentship award

Keywords

androgen receptor, dual inhibitors, enzalutamide, EPI-001., prostate cancer, Male, Humans, Receptors, Androgen, Prostatic Neoplasms, Castration-Resistant, Cell Line, Tumor, Androgen Receptor Antagonists, Drug Resistance, Neoplasm, Nitriles

Journal Title

ChemMedChem

Conference Name

Journal ISSN

1860-7179
1860-7187

Volume Title

Publisher

Wiley
Sponsorship
Engineering and Physical Sciences Research Council (EP/P020291/1)
European Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (101025271)