1
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He YW, Huang L, Huang K, Yan CG, Sun J, Han Y. Construction of Diverse Fused Chromene Frameworks via Isocyanide-Based Three-Component Reaction. J Org Chem 2024; 89:10854-10866. [PMID: 38993063 DOI: 10.1021/acs.joc.4c01142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
A convenient synthetic protocol for diverse fused chromenes was successfully developed by a three-component reaction of alkyl isocyanides, dialkyl but-2-ynedioates, and various cyclic 1,3-dipolarophiles containing o-hydroxyphenyl group. In the absence of any catalyst, the three-component reaction of alkyl isocyanides, dialkyl but-2-ynedioates, and 3-(o-hydroxyarylidene)indolin-2-ones in tetrahydrofuran at 60 °C resulted in unique functionalized spiro[cyclobuta[c]chromene-1,3'-indolines] in good yields and with high diastereoselectivity. However, the similar three-component reaction with 2-(5-halo-2-hydroxyarylidene)indolin-2-ones afforded unexpected chain products in satisfactory yields. In addition, the three-component reaction of alkyl isocyanides, dialkyl but-2-ynedioates, and 2-(o-hydroxyarylidene)-1,3-indanediones in tetrahydrofuran at 60 °C resulted in complex indeno[2',1':5,6]pyrano[3,4-c]chromene derivatives in high yields and with high diastereoselectivity.
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Affiliation(s)
- Yu-Wei He
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Li Huang
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Kun Huang
- Jiangsu Lianhuan Pharmaceutical Co., Ltd., Yangzhou 225000, China
| | - Chao-Guo Yan
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | | | - Ying Han
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
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2
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Yuan PF, Yang Z, Zhang SS, Zhu CM, Yang XL, Meng QY. Deconstructive Carboxylation of Activated Alkenes with Carbon Dioxide. Angew Chem Int Ed Engl 2023:e202313030. [PMID: 38072915 DOI: 10.1002/anie.202313030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Indexed: 12/22/2023]
Abstract
Carboxylation with carbon dioxide (CO2 ) represents one notable methodology to produce carboxylic acids. In contrast to carbon-heteroatom bonds, carbon-carbon bond cleavage for carboxylation with CO2 is far more challenging due to their inherent and less favorable orbital directionality for interacting with transition metals. Here we report a photocatalytic protocol for the deconstructive carboxylation of alkenes with CO2 to generate carboxylic acids in the absence of transition metals. It is emphasized that our protocol provides carboxylic acids with obviously unchanged carbon numbers when terminal alkenes were used. To show the power of this strategy, a variety of pharmaceutically relevant applications including the modular synthesis of propionate nonsteroidal anti-inflammatory drugs and the late-stage carboxylation of bioactive molecule derivatives are demonstrated.
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Affiliation(s)
- Pan-Feng Yuan
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R., China
| | - Zhao Yang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R., China
- Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education and College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, P. R. China
| | - Shan-Shan Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R., China
- Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education and College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, P. R. China
| | - Can-Ming Zhu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R., China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiu-Long Yang
- Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education and College of Chemistry and Environmental Science, Hebei University, Baoding, 071002, P. R. China
| | - Qing-Yuan Meng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P. R., China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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3
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Rej RK, Thomas JE, Acharyya RK, Rae JM, Wang S. Targeting the Estrogen Receptor for the Treatment of Breast Cancer: Recent Advances and Challenges. J Med Chem 2023. [PMID: 37377342 DOI: 10.1021/acs.jmedchem.3c00136] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Estrogen receptor alpha (ERα) is a well-established therapeutic target for the treatment of ER-positive (ER+) breast cancers. Despite the tremendous successes achieved with tamoxifen, a selective ER modulator, and aromatase inhibitors (AIs), resistance to these therapies is a major clinical problem. Therefore, induced protein degradation and covalent inhibition have been pursued as new therapeutic approaches to target ERα. This Perspective summarizes recent progress in the discovery and development of oral selective ER degraders (SERDs), complete estrogen receptor antagonists (CERANs), selective estrogen receptor covalent antagonists (SERCAs), and proteolysis targeting chimera (PROTAC) ER degraders. We focus on those compounds which have been advanced into clinical development.
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Affiliation(s)
- Rohan Kalyan Rej
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Junius Eugene Thomas
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Program in Chemical Biology, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Ranjan Kumar Acharyya
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - James Michael Rae
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Shaomeng Wang
- Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
- Program in Chemical Biology, University of Michigan, Ann Arbor, Michigan 48109, United States
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4
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Bhatia N, Hazra S, Thareja S. Selective Estrogen receptor degraders (SERDs) for the treatment of breast cancer: An overview. Eur J Med Chem 2023; 256:115422. [PMID: 37163948 DOI: 10.1016/j.ejmech.2023.115422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/17/2023] [Accepted: 04/26/2023] [Indexed: 05/12/2023]
Abstract
Discovery of SERDs has changed the direction of anticancer research, as more than 70% of breast cancer cases are estrogen receptor positive (ER+). Therapies such as selective estrogen receptor modulators (SERM) and aromatase inhibitors (AI's) have been effective, but due to endocrine resistance, SERDs are now considered essential therapeutics for the treatment of ER+ breast cancer. The present review deliberates the pathophysiology of SERDs from the literature covering various molecules in clinical trials. Estrogen receptors active sites distinguishing characteristics and interactions with currently available FDA-approved drugs have also been discussed. Designing strategy of previously reported SERDs, their SAR analysis, in silico, and the biological efficacy have also been summarized along with appropriate examples.
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Affiliation(s)
- Neha Bhatia
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Shreejita Hazra
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, School of Pharmaceutical Sciences, Central University of Punjab, Bathinda, Punjab, 151401, India.
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5
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Discovery of GNE-502 as an orally bioavailable and potent degrader for estrogen receptor positive breast cancer. Bioorg Med Chem Lett 2021; 50:128335. [PMID: 34425201 DOI: 10.1016/j.bmcl.2021.128335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 11/20/2022]
Abstract
Fulvestrant is an FDA-approved drug with a dual mechanism of action (MOA), acting as a full antagonist and degrader of the estrogen receptor protein. A significant limitation of fulvestrant is the dosing regimen required for efficacy. Due to its high lipophilicity and poor pharmacokinetic profile, fulvestrant needs to be administered through intramuscular injections which leads to injection site soreness. This route of administration also limits the dose and target occupancy in patients. We envisioned a best-in-class molecule that would function with the same dual MOA as fulvestrant, but with improved physicochemical properties and would be orally bioavailable. Herein we report our progress toward that goal, resulting in a new lead GNE-502 which addressed some of the liabilities of our previously reported lead molecule GNE-149.
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6
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Mottamal M, Kang B, Peng X, Wang G. From Pure Antagonists to Pure Degraders of the Estrogen Receptor: Evolving Strategies for the Same Target. ACS OMEGA 2021; 6:9334-9343. [PMID: 33869913 PMCID: PMC8047716 DOI: 10.1021/acsomega.0c06362] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 03/19/2021] [Indexed: 05/08/2023]
Abstract
Pure antiestrogens, or selective estrogen receptor degraders (SERDs), have proven to be effective in treating breast cancer that has progressed on tamoxifen and/or aromatase inhibitors. However, the only FDA-approved pure antiestrogen, fulvestrant, is limited in efficacy by its low bioavailability. The search for orally bioavailable SERDs has continued for nearly as long as the clinical history of the injection-only fulvestrant. Oral SERDs that have been developed and tested in patients ranged from nonsteroidal ER binders containing an acrylic acid or amino side chain to bifunctional proteolysis-targeting chimera (PROTAC) pure ER degraders. Structural evolution in the development of oral SERD molecules has been closely associated with quantifiable ER-degrading potency, as seen in the structural comparison analysis of acrylic acid and basic amino side-chain-bearing SERDs. Failure to improve on fulvestrant in the clinical trials by numerous acidic SERDs and early basic SERDs is blamed on tolerability and/or insufficient efficacy, which will likely be overcome by the new-generation basic SERD molecules and PROTAC ER degraders with improved oral bioavailability, low toxicity, and superior efficacy of receptor degradation.
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7
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Fan YX, Cao XL, Chen L, Chen YH, Yan SJ. Multicomponent cascade reactions of HKAs: synthesis of highly functionalized 5H-chromeno[4,3-d]pyrimidines. Org Chem Front 2021. [DOI: 10.1039/d1qo00666e] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel protocol was developed for the construction of functionalized 5H-chromeno[4,3-d]pyrimidines from 3-formylchromones, heterocyclic ketene aminals, and amidine hydrochlorides via a novel cascade reaction involving ring-opening and 1,3-H shift reactions.
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Affiliation(s)
- Yun-Xiang Fan
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University)
- Ministry of Education; School of Chemical Science and Technology
- Yunnan University
- Kunming
- P. R. China
| | - Xin-Ling Cao
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University)
- Ministry of Education; School of Chemical Science and Technology
- Yunnan University
- Kunming
- P. R. China
| | - Li Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University)
- Ministry of Education; School of Chemical Science and Technology
- Yunnan University
- Kunming
- P. R. China
| | - Yi-Hua Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University)
- Ministry of Education; School of Chemical Science and Technology
- Yunnan University
- Kunming
- P. R. China
| | - Sheng-Jiao Yan
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University)
- Ministry of Education; School of Chemical Science and Technology
- Yunnan University
- Kunming
- P. R. China
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8
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Lu Y, Liu W. Selective Estrogen Receptor Degraders (SERDs): A Promising Strategy for Estrogen Receptor Positive Endocrine-Resistant Breast Cancer. J Med Chem 2020; 63:15094-15114. [PMID: 33138369 DOI: 10.1021/acs.jmedchem.0c00913] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Estrogen receptor (ER) plays important roles in gene transcription and the proliferation of ER positive breast cancers. Selective modulation of ER has been a therapeutic target for this specific type of breast cancer for more than 30 years. Selective estrogen receptor modulators (SERMs) and aromatase inhibitors (AIs) have been demonstrated to be effective therapeutic approaches for ER positive breast cancers. Unfortunately, 30-50% of ER positive tumors become resistant to SERM/AI treatment after 3-5 years. Fulvestrant, the only approved selective estrogen receptor degrader (SERD), is currently an important therapeutic approach for the treatment of endocrine-resistant breast cancers. The poor pharmacokinetic properties of fulvestrant have inspired the development of a new generation of oral SERDs to overcome drug resistance. In this review, we describe recent advances in ERα structure, functions, and mechanisms of endocrine resistance and summarize the development of oral SERDs in both academic and industrial areas.
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Affiliation(s)
- Yunlong Lu
- School of Medicine & Holistic Integrative Medicine, Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China.,Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Wukun Liu
- School of Medicine & Holistic Integrative Medicine, Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, P. R. China.,State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, P. R. China
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9
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Wang L, Sharma A. The Quest for Orally Available Selective Estrogen Receptor Degraders (SERDs). ChemMedChem 2020; 15:2072-2097. [PMID: 32916035 DOI: 10.1002/cmdc.202000473] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/31/2020] [Indexed: 01/10/2023]
Abstract
Estrogen receptor-alpha (ERα) is the target of endocrine therapies for the treatment of more than 70 % of ERα-positive breast cancers. Selective estrogen receptor degraders (SERDs) antagonize estrogen binding and target the receptor for degradation, representing the last line of treatment for resistant metastatic breast cancer patients. However, the clinical efficacy of the lone clinically approved SERD (Fulvestrant) is limited by its poor oral bioavailability. Recently, several analogues of GW5638, an acrylic acid-based ERα ligand developed by Glaxo Research Institute in 1994, have been reported as promising orally bioavailable SERDs. Some of these compounds are currently in clinical trials, while various other structurally novel SERDs have also been reported by pharma as well as academic research groups. This review provides a critical analysis of the recent developments in orally available SERDs, with a focus on the structure-activity relationships, binding interactions and pharmacokinetic properties of these compounds.
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Affiliation(s)
- Lucia Wang
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey, 07030, USA
| | - Abhishek Sharma
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey, 07030, USA
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10
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Scott JS, Moss TA, Balazs A, Barlaam B, Breed J, Carbajo RJ, Chiarparin E, Davey PRJ, Delpuech O, Fawell S, Fisher DI, Gagrica S, Gangl ET, Grebe T, Greenwood RD, Hande S, Hatoum-Mokdad H, Herlihy K, Hughes S, Hunt TA, Huynh H, Janbon SLM, Johnson T, Kavanagh S, Klinowska T, Lawson M, Lister AS, Marden S, McGinnity DF, Morrow CJ, Nissink JWM, O'Donovan DH, Peng B, Polanski R, Stead DS, Stokes S, Thakur K, Throner SR, Tucker MJ, Varnes J, Wang H, Wilson DM, Wu D, Wu Y, Yang B, Yang W. Discovery of AZD9833, a Potent and Orally Bioavailable Selective Estrogen Receptor Degrader and Antagonist. J Med Chem 2020; 63:14530-14559. [PMID: 32910656 DOI: 10.1021/acs.jmedchem.0c01163] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Herein we report the optimization of a series of tricyclic indazoles as selective estrogen receptor degraders (SERD) and antagonists for the treatment of ER+ breast cancer. Structure based design together with systematic investigation of each region of the molecular architecture led to the identification of N-[1-(3-fluoropropyl)azetidin-3-yl]-6-[(6S,8R)-8-methyl-7-(2,2,2-trifluoroethyl)-6,7,8,9-tetrahydro-3H-pyrazolo[4,3-f]isoquinolin-6-yl]pyridin-3-amine (28). This compound was demonstrated to be a highly potent SERD that showed a pharmacological profile comparable to fulvestrant in its ability to degrade ERα in both MCF-7 and CAMA-1 cell lines. A stringent control of lipophilicity ensured that 28 had favorable physicochemical and preclinical pharmacokinetic properties for oral administration. This, combined with demonstration of potent in vivo activity in mouse xenograft models, resulted in progression of this compound, also known as AZD9833, into clinical trials.
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Affiliation(s)
- James S Scott
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Thomas A Moss
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Amber Balazs
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Bernard Barlaam
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Jason Breed
- Discovery Sciences R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | | | | | - Paul R J Davey
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Oona Delpuech
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Stephen Fawell
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - David I Fisher
- Discovery Sciences R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | | | - Eric T Gangl
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Tyler Grebe
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | | | - Sudhir Hande
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Holia Hatoum-Mokdad
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Kara Herlihy
- Discovery Sciences R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Samantha Hughes
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Thomas A Hunt
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Hoan Huynh
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Sophie L M Janbon
- Early Chemical Development, Pharmaceutical Sciences, R&D, Macclesfield, United Kingdom
| | - Tony Johnson
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Stefan Kavanagh
- Oncology Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, United Kingdom
| | | | - Mandy Lawson
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Andrew S Lister
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Stacey Marden
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, Boston, Massachusetts, United States
| | | | | | | | | | - Bo Peng
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Radoslaw Polanski
- Discovery Sciences R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Darren S Stead
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Stephen Stokes
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Kumar Thakur
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Scott R Throner
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | | | - Jeffrey Varnes
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Haixia Wang
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - David M Wilson
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Dedong Wu
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, Boston, Massachusetts, United States
| | - Ye Wu
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Bin Yang
- Oncology R&D, AstraZeneca, R&D Boston, 35 Gatehouse Drive, Waltham, Massachusetts 02451, United States
| | - Wenzhan Yang
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, Boston, Massachusetts, United States
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11
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Kumar N, Gulati HK, Sharma A, Heer S, Jassal AK, Arora L, Kaur S, Singh A, Bhagat K, Kaur A, Singh H, Singh JV, Bedi PMS. Most recent strategies targeting estrogen receptor alpha for the treatment of breast cancer. Mol Divers 2020; 25:603-624. [PMID: 32886304 DOI: 10.1007/s11030-020-10133-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 08/13/2020] [Indexed: 11/28/2022]
Abstract
Breast cancer is the most prominent, frequently diagnosed and leading cause of death among women. Estrogen is an agonist of estrogen receptor alpha (ER-α), expressed in mammary glands and is responsible for initiating many signalling pathways that lead to differentiation and development of breast tissue. Any mutations in these signalling pathways result in irregular growth of mammary tissue, leading to the development of tumour or cancer. All these observations attract the attention of researchers to antagonize ER-α receptor either by developing selective estrogen receptor modulators or by selective estrogen receptor degraders. Therefore, this article provides a brief overview of various factors that are responsible for provoking breast cancer in women and design strategies recently used by the various research groups across the world for antagonizing or demodulating ER-α.
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Affiliation(s)
- Nitish Kumar
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.,Drug and Pollution Testing Laboratory, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Harmandeep Kaur Gulati
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Aakriti Sharma
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Shilpa Heer
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Anupmjot Kaur Jassal
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Lovenish Arora
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Simranpreet Kaur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Atamjit Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Kavita Bhagat
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Arshmeet Kaur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Harbinder Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
| | - Jatinder Vir Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
| | - Preet Mohinder Singh Bedi
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India. .,Drug and Pollution Testing Laboratory, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
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12
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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] [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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13
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Hanan EJ, Liang J, Wang X, Blake RA, Blaquiere N, Staben ST. Monomeric Targeted Protein Degraders. J Med Chem 2020; 63:11330-11361. [DOI: 10.1021/acs.jmedchem.0c00093] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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14
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Shagufta, Ahmad I, Mathew S, Rahman S. Recent progress in selective estrogen receptor downregulators (SERDs) for the treatment of breast cancer. RSC Med Chem 2020; 11:438-454. [PMID: 33479648 PMCID: PMC7580774 DOI: 10.1039/c9md00570f] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 02/11/2020] [Indexed: 12/11/2022] Open
Abstract
Selective estrogen receptor downregulators (SERDs) are a novel class of compounds capable of reducing the ERα protein level and blocking ER activity. Therefore, SERDs are considered as a significant therapeutic approach to treat ER+ breast cancer in both early stage and more advanced drug-resistant cases. After the FDA approval of a steroidal drug, fulvestrant, as a SERD for the treatment of breast cancer in patients who have progressed on antihormonal agents, several molecules with diverse chemical structures have been rapidly developed, studied and evaluated for selective estrogen receptor downregulation activity. Here we compile the promising SERDs reported in recent years and discuss the chemical structure and pharmacological profile of the most potent compound of the considered series. Because of the availability of only a limited number of effective drugs for the treatment of breast cancer, the quest for a potent SERD with respectable activity and bioavailability is still ongoing. The goal of this article is to make available to the reader an overview of the current progress in SERDs and provide clues for the future discovery and development of novel pharmacological potent SERDs for the treatment of breast cancer.
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Affiliation(s)
- Shagufta
- Department of Mathematics and Natural Sciences , School of Arts and Sciences , American University of Ras Al Khaimah , P. O. Box 10021 , Ras Al Khaimah , United Arab Emirates . ;
| | - Irshad Ahmad
- Department of Mathematics and Natural Sciences , School of Arts and Sciences , American University of Ras Al Khaimah , P. O. Box 10021 , Ras Al Khaimah , United Arab Emirates . ;
| | - Shimy Mathew
- Department of Biotechnology , School of Arts and Sciences , American University of Ras Al Khaimah , P. O. Box 10021 , Ras Al Khaimah , United Arab Emirates
| | - Sofia Rahman
- Department of Biotechnology , School of Arts and Sciences , American University of Ras Al Khaimah , P. O. Box 10021 , Ras Al Khaimah , United Arab Emirates
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15
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Lu Y, Gutgesell LM, Xiong R, Zhao J, Li Y, Rosales CI, Hollas M, Shen Z, Gordon-Blake J, Dye K, Wang Y, Lee S, Chen H, He D, Dubrovyskyii O, Zhao H, Huang F, Lasek AW, Tonetti DA, Thatcher GRJ. Design and Synthesis of Basic Selective Estrogen Receptor Degraders for Endocrine Therapy Resistant Breast Cancer. J Med Chem 2019; 62:11301-11323. [PMID: 31746603 DOI: 10.1021/acs.jmedchem.9b01580] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The clinical steroidal selective estrogen receptor (ER) degrader (SERD), fulvestrant, is effective in metastatic breast cancer, but limited by poor pharmacokinetics, prompting the development of orally bioavailable, nonsteroidal SERDs, currently in clinical trials. These trials address local breast cancer as well as peripheral metastases, but patients with brain metastases are generally excluded because of the lack of blood-brain barrier penetration. A novel family of benzothiophene SERDs with a basic amino side arm (B-SERDs) was synthesized. Proteasomal degradation of ERα was induced by B-SERDs that achieved the objectives of oral and brain bioavailability, while maintaining high affinity binding to ERα and both potency and efficacy comparable to fulvestrant in cell lines resistant to endocrine therapy or bearing ESR1 mutations. A novel 3-oxyazetidine side chain was designed, leading to 37d, a B-SERD that caused endocrine-resistant ER+ tumors to regress in a mouse orthotopic xenograft model.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Hu Chen
- Department of Psychiatry , University of Illinois at Chicago , 1601 W Taylor Street , Chicago , Illinois 60612 , United States
| | - Donghong He
- Department of Psychiatry , University of Illinois at Chicago , 1601 W Taylor Street , Chicago , Illinois 60612 , United States
| | | | | | | | - Amy W Lasek
- Department of Psychiatry , University of Illinois at Chicago , 1601 W Taylor Street , Chicago , Illinois 60612 , United States
| | | | - Gregory R J Thatcher
- Department of Psychiatry , University of Illinois at Chicago , 1601 W Taylor Street , Chicago , Illinois 60612 , United States
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16
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El-Ahmad Y, Tabart M, Halley F, Certal V, Thompson F, Filoche-Rommé B, Gruss-Leleu F, Muller C, Brollo M, Fabien L, Loyau V, Bertin L, Richepin P, Pilorge F, Desmazeau P, Girardet C, Beccari S, Louboutin A, Lebourg G, Le-Roux J, Terrier C, Vallée F, Steier V, Mathieu M, Rak A, Abecassis PY, Vicat P, Benard T, Bouaboula M, Sun F, Shomali M, Hebert A, Levit M, Cheng H, Courjaud A, Ginesty C, Perrault C, Garcia-Echeverria C, McCort G, Schio L. Discovery of 6-(2,4-Dichlorophenyl)-5-[4-[(3 S)-1-(3-fluoropropyl)pyrrolidin-3-yl]oxyphenyl]-8,9-dihydro-7 H-benzo[7]annulene-2-carboxylic acid (SAR439859), a Potent and Selective Estrogen Receptor Degrader (SERD) for the Treatment of Estrogen-Receptor-Positive Breast Cancer. J Med Chem 2019; 63:512-528. [PMID: 31721572 DOI: 10.1021/acs.jmedchem.9b01293] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
More than 75% of breast cancers are estrogen receptor alpha (ERα) positive (ER+), and resistance to current hormone therapies occurs in one-third of ER+ patients. Tumor resistance is still ERα-dependent, but mutations usually confer constitutive activation to the hormone receptor, rendering ERα modulator drugs such as tamoxifen and aromatase inhibitors ineffective. Fulvestrant is a potent selective estrogen receptor degrader (SERD), which degrades the ERα receptor in drug-resistant tumors and has been approved for the treatment of hormone-receptor-positive metastatic breast cancer following antiestrogen therapy. However, fulvestrant shows poor pharmacokinetic properties in human, low solubility, weak permeation, and high metabolism, limiting its administration to inconvenient intramuscular injections. This Drug Annotation describes the identification and optimization of a new series of potent orally available SERDs, which led to the discovery of 6-(2,4-dichlorophenyl)-5-[4-[(3S)-1-(3-fluoropropyl)pyrrolidin-3-yl]oxyphenyl]-8,9-dihydro-7H-benzo[7]annulene-2-carboxylic acid (43d), showing promising antitumor activity in breast cancer mice xenograft models and whose properties warranted clinical evaluation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Monsif Bouaboula
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
| | - Fangxian Sun
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
| | - Maysoun Shomali
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
| | - Andrew Hebert
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
| | - Mikhail Levit
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
| | - Hong Cheng
- Oncology , Sanofi , 640 Memorial Drive , Cambridge , Massachusetts 02139 , United States
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17
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Wardell SE, Yllanes AP, Chao CA, Bae Y, Andreano KJ, Desautels TK, Heetderks KA, Blitzer JT, Norris JD, McDonnell DP. Pharmacokinetic and pharmacodynamic analysis of fulvestrant in preclinical models of breast cancer to assess the importance of its estrogen receptor-α degrader activity in antitumor efficacy. Breast Cancer Res Treat 2019; 179:67-77. [PMID: 31562570 PMCID: PMC6985185 DOI: 10.1007/s10549-019-05454-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 09/19/2019] [Indexed: 12/11/2022]
Abstract
Purpose Fulvestrant is a selective estrogen receptor downregulator (SERD) that is approved for first- or second-line use as a single agent or in combination with cyclin dependent kinase or phosphatidylinositol 3-kinase inhibitors for the treatment of metastatic breast cancer. Fulvestrant exhibits exceptionally effective antitumor activity in preclinical models of breast cancer, a success that has been attributed to its robust SERD activity despite modest receptor downregulation in patient tumors. By modeling human exposures in animal models we probe the absolute need for SERD activity. Methods Three xenograft models of endocrine therapy-resistant breast cancer were used to evaluate the efficacy of fulvestrant administered in doses historically used in preclinical studies in the field or by using a dose regimen intended to model clinical exposure levels. Pharmacokinetic and pharmacodynamic analyses were conducted to evaluate plasma exposure and intratumoral ER downregulation. Results A clinically relevant 25 mg/kg dose of fulvestrant exhibited antitumor efficacy comparable to the historically used 200 mg/kg dose, but at this lower dose it did not result in robust ER downregulation. Further, the antitumor efficacy of the lower dose of fulvestrant was comparable to that observed for other oral SERDs currently in development. Conclusion The use of clinically unachievable exposure levels of fulvestrant as a benchmark in preclinical development of SERDs may negatively impact the selection of those molecules that are advanced for clinical development. Further, these studies suggest that antagonist efficacy, as opposed to SERD activity, is likely to be the primary driver of clinical response. Electronic supplementary material The online version of this article (10.1007/s10549-019-05454-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Suzanne E Wardell
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Alexander P Yllanes
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Christina A Chao
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Yeeun Bae
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Kaitlyn J Andreano
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Taylor K Desautels
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Kendall A Heetderks
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | | | - John D Norris
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA
| | - Donald P McDonnell
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Box 3813, Durham, NC, 27710, USA.
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18
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Labadie SS, Li J, Blake RA, Chang JH, Goodacre S, Hartman SJ, Liang W, Kiefer JR, Kleinheinz T, Lai T, Liao J, Ortwine DF, Mody V, Ray NC, Roussel F, Vinogradova M, Yeap SK, Zhang B, Zheng X, Zbieg JR, Liang J, Wang X. Discovery of a C-8 hydroxychromene as a potent degrader of estrogen receptor alpha with improved rat oral exposure over GDC-0927. Bioorg Med Chem Lett 2019; 29:2090-2093. [PMID: 31311734 DOI: 10.1016/j.bmcl.2019.07.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 07/02/2019] [Accepted: 07/05/2019] [Indexed: 11/26/2022]
Abstract
Phenolic groups are responsible for the high clearance and low oral bioavailability of the estrogen receptor alpha (ERα) clinical candidate GDC-0927. An exhaustive search for a backup molecule with improved pharmacokinetic (PK) properties identified several metabolically stable analogs, although in general at the expense of the desired potency and degradation efficiency. C-8 hydroxychromene 30 is the first example of a phenol-containing chromene that not only maintained excellent potency but also exhibited 10-fold higher oral exposure in rats. The improved in vivo clearance in rat was hypothesized to be the result of C-8 hydroxy group being sterically protected from glucuronide conjugation. The excellent potency underscores the possibility of replacing the presumed indispensable phenolic group at C-6 or C-7 of the chromene core. Co-crystal structures were obtained to highlight the change in key interactions and rationalize the retained potency.
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Affiliation(s)
| | - Jun Li
- Genentech Inc., South San Francisco, CA 94080, USA
| | | | - Jae H Chang
- Genentech Inc., South San Francisco, CA 94080, USA
| | - Simon Goodacre
- Charles River Laboratories, 7-9 Spire Green Centre, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | | | | | | | | | - Tommy Lai
- WuXi AppTec Co., Ltd., Shanghai 200131, China
| | | | | | - Vidhi Mody
- Genentech Inc., South San Francisco, CA 94080, USA
| | - Nicholas C Ray
- Charles River Laboratories, 7-9 Spire Green Centre, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Fabien Roussel
- Charles River Laboratories, 7-9 Spire Green Centre, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | | | - Siew Kuen Yeap
- Charles River Laboratories, 7-9 Spire Green Centre, Flex Meadow, Harlow, Essex CM19 5TR, United Kingdom
| | - Birong Zhang
- Genentech Inc., South San Francisco, CA 94080, USA
| | | | | | - Jun Liang
- Genentech Inc., South San Francisco, CA 94080, USA
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19
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Li Y, Zhang S, Zhang J, Hu Z, Xiao Y, Huang J, Dong C, Huang S, Zhou HB. Exploring the PROTAC degron candidates: OBHSA with different side chains as novel selective estrogen receptor degraders (SERDs). Eur J Med Chem 2019; 172:48-61. [DOI: 10.1016/j.ejmech.2019.03.058] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/23/2019] [Accepted: 03/24/2019] [Indexed: 12/23/2022]
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20
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Abstract
Endocrine therapy is essential for the treatment of patients with estrogen receptor positive (ER+) breast cancer, however, resistance and the development of metastatic disease is common. Understanding how ER+ breast cancer metastasizes is critical since the major cause of death in breast cancer is metastasis to distant organs. Results from many studies suggest dysregulation of the estrogen receptor alpha gene (ESR1 ) contributes to therapeutic resistance and metastatic biology. This review covers both pre-clinical and clinical evidence on the spectrum of ESR1 alterations including amplification, point mutations, and genomic rearrangement events driving treatment resistance and metastatic potential of ER+ breast cancer. Importantly, we describe how these ESR1 alterations may provide therapeutic opportunities to improve outcomes in patients with lethal, metastatic breast cancer.
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Affiliation(s)
- Jonathan T Lei
- Interdepartmental Graduate Program in Translational Biology & Molecular Medicine, Baylor College of Medicine, Houston, TX 77030, USA.,Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Xuxu Gou
- Interdepartmental Graduate Program in Translational Biology & Molecular Medicine, Baylor College of Medicine, Houston, TX 77030, USA.,Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Sinem Seker
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Matthew J Ellis
- Interdepartmental Graduate Program in Translational Biology & Molecular Medicine, Baylor College of Medicine, Houston, TX 77030, USA.,Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, TX 77030, USA.,Departments of Medicine and Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
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21
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Fanning SW, Greene GL. Next-Generation ERα Inhibitors for Endocrine-Resistant ER+ Breast Cancer. Endocrinology 2019; 160:759-769. [PMID: 30753408 DOI: 10.1210/en.2018-01095] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 02/04/2019] [Indexed: 11/19/2022]
Abstract
One in eight women will be diagnosed with breast cancer in their lifetime. Because estrogen receptor-α (ERα) is expressed in ~70% of patients, therapeutic intervention by ERα-targeted endocrine therapies remains the leading strategy to prevent progression and/or metastasis in the adjuvant setting. However, the efficacy of these therapies will be diminished by the development of acquired resistance after prolonged treatment regimens. In preclinical models of endocrine-resistant metastatic breast cancers that retain ERα expression, antiestrogens with improved efficacy and potency can overcome resistance to shrink tumors and prevent metastasis. In particular, selective ER degraders or downregulators, which both antagonize ERα actions and induce its degradation, have demonstrated substantial antitumor efficacy in this setting. In the present review, we have discussed the mechanisms of acquired endocrine resistance in luminal breast cancers and the strategies used by next-generation endocrine therapies to antagonize ERα.
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Affiliation(s)
- Sean W Fanning
- Ben May Department for Cancer Research, The University of Chicago, Chicago, Illinois
| | - Geoffrey L Greene
- Ben May Department for Cancer Research, The University of Chicago, Chicago, Illinois
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22
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Unexpected equivalent potency of a constrained chromene enantiomeric pair rationalized by co-crystal structures in complex with estrogen receptor alpha. Bioorg Med Chem Lett 2019; 29:905-911. [DOI: 10.1016/j.bmcl.2019.01.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/24/2019] [Accepted: 01/30/2019] [Indexed: 02/07/2023]
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23
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Scott JS, Bailey A, Buttar D, Carbajo RJ, Curwen J, Davey PRJ, Davies RDM, Degorce SL, Donald C, Gangl E, Greenwood R, Groombridge SD, Johnson T, Lamont S, Lawson M, Lister A, Morrow CJ, Moss TA, Pink JH, Polanski R. Tricyclic Indazoles-A Novel Class of Selective Estrogen Receptor Degrader Antagonists. J Med Chem 2019; 62:1593-1608. [PMID: 30640465 DOI: 10.1021/acs.jmedchem.8b01837] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Herein, we report the identification and synthesis of a series of tricyclic indazoles as a novel class of selective estrogen receptor degrader antagonists. Replacement of a phenol, present in our previously reported tetrahydroisoquinoline scaffold, with an indazole group led to the removal of a reactive metabolite signal in an in vitro glutathione trapping assay. Further optimization, guided by X-ray crystal structures and NMR conformational work, varied the alkyl side chain and pendant aryl group and resulted in compounds with low turnover in human hepatocytes and enhanced chemical stability. Compound 9 was profiled as a representative of the series in terms of pharmacology and demonstrated the desired estrogen receptor α degrader-antagonist profile and demonstrated activity in a xenograft model of breast cancer.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Eric Gangl
- Oncology IMED Biotech Unit , AstraZeneca, R&D Boston , 35 Gatehouse Drive , Waltham , Massachusetts 02451 , United States
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24
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Kahraman M, Govek SP, Nagasawa JY, Lai A, Bonnefous C, Douglas K, Sensintaffar J, Liu N, Lee K, Aparicio A, Kaufman J, Qian J, Shao G, Prudente R, Joseph JD, Darimont B, Brigham D, Heyman R, Rix PJ, Hager JH, Smith ND. Maximizing ER-α Degradation Maximizes Activity in a Tamoxifen-Resistant Breast Cancer Model: Identification of GDC-0927. ACS Med Chem Lett 2019; 10:50-55. [PMID: 30655946 DOI: 10.1021/acsmedchemlett.8b00414] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 12/06/2018] [Indexed: 02/07/2023] Open
Abstract
The further optimization of ER-α degradation efficacy of a series of ER modulators by refining side-chain substitution led to efficacious selective estrogen receptor degraders (SERDs). A fluoromethyl azetidine group was found to be preferred and resulted in the identification of bis-phenol chromene 17ha. In a tamoxifen-resistant breast cancer xenograft model, 17ha (ER-α degradation efficacy = 97%) demonstrated tumor regression, together with robust reduction of intratumoral ER-α levels. However, despite superior oral exposure, 5a (ER-α degradation efficacy = 91%) had inferior activity. This result suggests that optimizing ER-α degradation efficacy leads to compounds with robust effects in a model of tamoxifen-resistant breast cancer. Compound 17ha (GDC-0927) was evaluated in clinical trials in women with metastatic estrogen receptor-positive breast cancer.
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