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Liang J, Blake R, Chang J, Friedman LS, Goodacre S, Hartman S, Ingalla ER, Kiefer JR, Kleinheinz T, Labadie S, Li J, Lai KW, Liao J, Mody V, McLean N, Metcalfe C, Nannini M, Otwine D, Ran Y, Ray N, Roussel F, Sambrone A, Sampath D, Vinogradova M, Wai J, Wang T, Yeap K, Young A, Zbieg J, Zhang B, Zheng X, Zhong Y, Wang X. Discovery of GNE-149 as a Full Antagonist and Efficient Degrader of Estrogen Receptor alpha for ER+ Breast Cancer. ACS Med Chem Lett 2020; 11:1342-1347. [PMID: 32551022 PMCID: PMC7294714 DOI: 10.1021/acsmedchemlett.0c00224] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 05/26/2020] [Indexed: 12/19/2022] Open
Abstract
Estrogen receptor alpha (ERα) is a well-validated drug target for ER-positive (ER+) breast cancer. Fulvestrant is FDA-approved to treat ER+ breast cancer and works through two mechanisms-as a full antagonist and selective estrogen receptor degrader (SERD)-but lacks oral bioavailability. Thus, we envisioned a "best-in-class" molecule with the same dual mechanisms as fulvestrant, but with significant oral exposure. Through lead optimization, we discovered a tool molecule 12 (GNE-149) with improved degradation and antiproliferative activity in both MCF7 and T47D cells. To illustrate the binding mode and key interactions of this scaffold with ERα, we obtained a cocrystal structure of 6 that showed ionic interaction of azetidine with Asp351 residue. Importantly, 12 showed favorable metabolic stability and good oral exposure. 12 exhibited antagonist effect in the uterus and demonstrated robust dose-dependent efficacy in xenograft models.
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Affiliation(s)
- Jun Liang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Robert Blake
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jae Chang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Lori S. Friedman
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Simon Goodacre
- Charles
River Discovery Research Services UK Limited, 7-9 Spire Green Center, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Steven Hartman
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Ellen Rei Ingalla
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - James R. Kiefer
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Tracy Kleinheinz
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Sharada Labadie
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jun Li
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Kwong Wah Lai
- WuXi
AppTec Co., Ltd, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, P. R.
China
| | - Jiangpeng Liao
- WuXi
AppTec Co., Ltd, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, P. R.
China
| | - Vidhi Mody
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Neville McLean
- Charles
River Discovery Research Services UK Limited, 7-9 Spire Green Center, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Ciara Metcalfe
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Michelle Nannini
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Daniel Otwine
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Yingqing Ran
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Nick Ray
- Charles
River Discovery Research Services UK Limited, 7-9 Spire Green Center, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Fabien Roussel
- Charles
River Discovery Research Services UK Limited, 7-9 Spire Green Center, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Amy Sambrone
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Deepak Sampath
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Maia Vinogradova
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - John Wai
- WuXi
AppTec Co., Ltd, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, P. R.
China
| | - Tao Wang
- WuXi
AppTec Co., Ltd, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, P. R.
China
| | - Kuen Yeap
- Charles
River Discovery Research Services UK Limited, 7-9 Spire Green Center, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Amy Young
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jason Zbieg
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Birong Zhang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Xiaoping Zheng
- WuXi
AppTec Co., Ltd, 288 Fute Zhong Road, Waigaoqiao Free Trade Zone, Shanghai 200131, P. R.
China
| | - Yu Zhong
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Xiaojing Wang
- Genentech,
Inc., 1 DNA Way, South San Francisco, California 94080, United States
| |
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