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Stringer R, Kaster T. Predicting the Intravenous Pharmacokinetics of Covalent Drugs in Animals and Humans. J Med Chem 2024. [PMID: 39018425 DOI: 10.1021/acs.jmedchem.4c00776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/19/2024]
Abstract
30 covalent drugs were used to assess clearance (CL) prediction reliability in animals and humans. In animals, marked CL underprediction was observed using cryopreserved hepatocytes or liver microsomes (LMs) supplemented for cytochrome P450 activity. Improved quantitative performance was observed by combining metabolic stability data from LMs and liver S9 fractions, the latter supplemented with reduced glutathione for glutathione transferase activity. While human LMs provided reliable human CL predictions, prediction statistics were improved further by incorporating S9 stability data. CL predictions with allometric scaling were less robust compared to in vitro drug metabolism methods; the best results were obtained using the fu-corrected intercept model. Human volume of distribution (Vd) was well predicted using allometric scaling of animal pharmacokinetic data; the most reliable results were achieved using simple allometric scaling of unbound Vd values. These results provide a quantitative framework to guide appropriate method selection for human PK prediction with covalent drugs.
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Affiliation(s)
- Rowan Stringer
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Tobias Kaster
- Novartis Biomedical Research, Basel CH-4002, Switzerland
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Baratta M, Jian W, Hengel S, Kaur S, Cunliffe J, Boer J, Hughes N, Kar S, Kellie J, Kim YJ, Lassman M, Mehl J, Morgan L, Palandra J, Sarvaiya H, Zeng J, Zheng N, Wang J, Yuan L, Ji A, Kochansky C, Tao L, Huang Y, Maes E, Barbero L, Contrepois K, Ferrari L, Fu Y, Johnson J, Jones B, Kansal M, Lu Y, Post N, Shen H(H, Xue Y(YJ, Zhang Y(C, Biswas G, Cho S(J, Edmison A, Benson K, Abberley L, Azadeh M, Francis J, Garofolo F, Gupta S, Ivanova I(D, Ishii-Watabe A, Karnik S, Kassim S, Kavetska O, Keller S, Kossary E, Li W, McCush F, Mendes DN, Abhari MR, Scheibner K, Sikorski T, Staack RF, Tabler E, Tang H, Wan K, Wang YM, Whale E, Yang L, Zimmer J, Bandukwala A, Du X, Kholmanskikh O, Gijsel SKD, Wadhwa M, Xu J, Buoninfante A, Cludts I, Diebold S, Maxfield K, Mayer C, Pedras-Vasconcelos J, Abhari MR, Shubow S, Tanaka Y, Tounekti O, Verthelyi D, Wagner L. 2023 White Paper on Recent Issues in Bioanalysis: Deuterated Drugs; LNP; Tumor/FFPE Biopsy; Targeted Proteomics; Small Molecule Covalent Inhibitors; Chiral Bioanalysis; Remote Regulatory Assessments; Sample Reconciliation/Chain of Custody (PART 1A - Recommendations on Mass Spectrometry, Chromatography, Sample Preparation Latest Developments, Challenges, and Solutions and BMV/Regulated Bioanalysis PART 1B - Regulatory Agencies' Inputs on Regulated Bioanalysis/BMV, Biomarkers/IVD/CDx/BAV, Immunogenicity, Gene & Cell Therapy and Vaccine). Bioanalysis 2024; 16:307-364. [PMID: 38913185 PMCID: PMC11216509 DOI: 10.1080/17576180.2024.2347153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 04/22/2024] [Indexed: 06/25/2024] Open
Abstract
The 17th Workshop on Recent Issues in Bioanalysis (17th WRIB) took place in Orlando, FL, USA on June 19-23, 2023. Over 1000 professionals representing pharma/biotech companies, CROs, and multiple regulatory agencies convened to actively discuss the most current topics of interest in bioanalysis. The 17th WRIB included 3 Main Workshops and 7 Specialized Workshops that together spanned 1 week to allow an exhaustive and thorough coverage of all major issues in bioanalysis of biomarkers, immunogenicity, gene therapy, cell therapy and vaccines.Moreover, in-depth workshops on "EU IVDR 2017/746 Implementation and impact for the Global Biomarker Community: How to Comply with this NEW Regulation" and on "US FDA/OSIS Remote Regulatory Assessments (RRAs)" were the special features of the 17th edition.As in previous years, WRIB continued to gather a wide diversity of international, industry opinion leaders and regulatory authority experts working on both small and large molecules as well as gene, cell therapies and vaccines to facilitate sharing and discussions focused on improving quality, increasing regulatory compliance, and achieving scientific excellence on bioanalytical issues.This 2023 White Paper encompasses recommendations emerging from the extensive discussions held during the workshop and is aimed to provide the bioanalytical community with key information and practical solutions on topics and issues addressed, in an effort to enable advances in scientific excellence, improved quality and better regulatory compliance. Due to its length, the 2023 edition of this comprehensive White Paper has been divided into three parts for editorial reasons.This publication covers the recommendations on Mass Spectrometry Assays, Regulated Bioanalysis/BMV (Part 1A) and Regulatory Inputs (Part 1B). Part 2 (Biomarkers, IVD/CDx, LBA and Cell-Based Assays) and Part 3 (Gene Therapy, Cell therapy, Vaccines and Biotherapeutics Immunogenicity) are published in volume 16 of Bioanalysis, issues 7 and 8 (2024), respectively.
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Affiliation(s)
| | - Wenying Jian
- Johnson & Johnson Innovative Medicine, Spring House, PA, USA
| | | | | | | | | | | | | | | | | | | | - John Mehl
- GlaxoSmithKline, Collegeville, PA, USA
| | | | | | | | | | - Naiyu Zheng
- Bristol-Myers Squibb, Lawrenceville, NJ, USA
| | | | | | | | | | | | - Yue Huang
- AstraZeneca, South San Francisco, CA, USA
| | | | | | | | - Luca Ferrari
- F. Hoffmann-La Roche Ltd, Roche Pharma Research & Early Development (pRED), Basel, Switzerland
| | | | | | | | | | - Yang Lu
- US FDA, Silver Spring, MD, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Roland F Staack
- Roche Pharma Research & Early Development, Roche Innovation Center, Munich, Germany
| | | | | | | | | | | | - Li Yang
- US FDA, Silver Spring, MD, USA
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Tian L, Qiang T, Yang X, Gao Y, Zhai X, Kang K, Du C, Lu Q, Gao H, Zhang D, Xie X, Liang C. Development of de-novo coronavirus 3-chymotrypsin-like protease (3CL pro) inhibitors since COVID-19 outbreak: A strategy to tackle challenges of persistent virus infection. Eur J Med Chem 2024; 264:115979. [PMID: 38048696 DOI: 10.1016/j.ejmech.2023.115979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/30/2023] [Accepted: 11/18/2023] [Indexed: 12/06/2023]
Abstract
Although no longer a public health emergency of international concern, COVID-19 remains a persistent and critical health concern. The development of effective antiviral drugs could serve as the ultimate piece of the puzzle to curbing this global crisis. 3-chymotrypsin-like protease (3CLpro), with its substrate specificity mirroring that of the main picornavirus 3C protease and conserved across various coronaviruses, emerges as an ideal candidate for broad-spectrum antiviral drug development. Moreover, it holds the potential as a reliable contingency option to combat emerging SARS-CoV-2 variants. In this light, the approved drugs, promising candidates, and de-novo small molecule therapeutics targeting 3CLpro since the COVID-19 outbreak in 2020 are discussed. Emphasizing the significance of diverse structural characteristics in inhibitors, be they peptidomimetic or nonpeptidic, with a shared mission to minimize the risk of cross-resistance. Moreover, the authors propose an innovative optimization strategy for 3CLpro reversible covalent PROTACs, optimizing pharmacodynamics and pharmacokinetics to better prepare for potential future viral outbreaks.
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Affiliation(s)
- Lei Tian
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China
| | - Taotao Qiang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, PR China.
| | - Xiuding Yang
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; School of Biological and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi'an, 710021, PR China
| | - Yue Gao
- College of Pharmacy, Jinan University, Guangzhou, 511436, PR China
| | - Xiaopei Zhai
- Department of Pharmaceutics, School of Pharmacy, Air Force Medical University, Xi'an, 710032, PR China
| | - Kairui Kang
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; School of Biological and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi'an, 710021, PR China
| | - Cong Du
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; School of Biological and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi'an, 710021, PR China
| | - Qi Lu
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; School of Biological and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi'an, 710021, PR China
| | - Hong Gao
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; Shaanxi Pioneer Biotech Co., Ltd., Xi'an, 710021, PR China
| | - Dezhu Zhang
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; Shaanxi Panlong Pharmaceutical Group Co., Ltd., Xi'an, 710025, PR China
| | - Xiaolin Xie
- Shaanxi Panlong Pharmaceutical Group Co., Ltd., Xi'an, 710025, PR China
| | - Chengyuan Liang
- Key Laboratory for Antiviral and Antimicrobial-Resistant Bacteria Research of Xi'an, Shaanxi University of Science & Technology, Xi'an, 710021, PR China; School of Biological and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi'an, 710021, PR China.
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Hasan MN, Ray M, Saha A. Landscape of In Silico Tools for Modeling Covalent Modification of Proteins: A Review on Computational Covalent Drug Discovery. J Phys Chem B 2023; 127:9663-9684. [PMID: 37921534 DOI: 10.1021/acs.jpcb.3c04710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Covalent drug discovery has been a challenging research area given the struggle of finding a sweet balance between selectivity and reactivity for these drugs, the lack of which often leads to off-target activities and hence undesirable side effects. However, there has been a resurgence in covalent drug design following the success of several covalent drugs such as boceprevir (2011), ibrutinib (2013), neratinib (2017), dacomitinib (2018), zanubrutinib (2019), and many others. Design of covalent drugs includes many crucial factors, where "evaluation of the binding affinity" and "a detailed mechanistic understanding on covalent inhibition" are at the top of the list. Well-defined experimental techniques are available to elucidate these factors; however, often they are expensive and/or time-consuming and hence not suitable for high throughput screens. Recent developments in in silico methods provide promise in this direction. In this report, we review a set of recent publications that focused on developing and/or implementing novel in silico techniques in "Computational Covalent Drug Discovery (CCDD)". We also discuss the advantages and disadvantages of these approaches along with what improvements are required to make it a great tool in medicinal chemistry in the near future.
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Affiliation(s)
- Md Nazmul Hasan
- Department of Chemistry and Biochemistry, University of Wisconsin─Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Manisha Ray
- Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, Illinois 60660, United States
| | - Arjun Saha
- Department of Chemistry and Biochemistry, University of Wisconsin─Milwaukee, Milwaukee, Wisconsin 53211, United States
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Zhao D, Liu Y, Yi F, Zhao X, Lu K. Recent advances in the development of inhibitors targeting KRAS-G12C and its related pathways. Eur J Med Chem 2023; 259:115698. [PMID: 37542991 DOI: 10.1016/j.ejmech.2023.115698] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/07/2023]
Abstract
The RAS gene, also known as the mouse sarcoma virus, includes three genes (KRAS, HRAS, and NRAS) that are associated with human tumors. Among them, KRAS has the highest incidence of mutations in cancer, accounting for around 80% of cases. At the molecular level, the RAS gene plays a regulatory role in transcription and translation, while at the cellular level, it affects cell proliferation and migration, making it crucial for cancer development. In 2021, the FDA approved AMG510, the first direct inhibitor targeting the KRAS-G12C mutation, which has shown tumor regression, prolonged survival, and low off-target activity. However, with the increase of drug resistance, a single inhibitor is no longer sufficient to achieve the desired effect on tumors. Therefore, a large number of other highly efficient inhibitors are being developed at different stages. This article provides an overview of the mechanism of action targeting KRAS-G12C in the KRASGTP-KRASGDP cycle pathway, as well as the structure-activity relationship, structure optimization, and biological activity effects of inhibitors that target the upstream and downstream pathways, or combination therapy.
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Affiliation(s)
- Dongqiang Zhao
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Yu Liu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Fengchao Yi
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Xia Zhao
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Tianjin Normal University, Tianjin, 300387, China
| | - Kui Lu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
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Guo L, Shao W, Zhou C, Yang H, Yang L, Cai Q, Wang J, Shi Y, Huang L, Zhang J. Neratinib for HER2-positive breast cancer with an overlooked option. Mol Med 2023; 29:134. [PMID: 37803271 PMCID: PMC10559443 DOI: 10.1186/s10020-023-00736-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 09/28/2023] [Indexed: 10/08/2023] Open
Abstract
Positive human epidermal growth factor receptor 2 (HER2) expression is associated with an increased risk of metastases especially those to the brain in patients with advanced breast cancer (BC). Neratinib as a tyrosine kinase inhibitor can prevent the transduction of HER1, HER2 and HER4 signaling pathways thus playing an anticancer effect. Moreover, neratinib has a certain efficacy to reverse drug resistance in patients with BC with previous HER2 monoclonal antibody or targeted drug resistance. Neratinib, as monotherapy and in combination with other therapies, has been tested in the neoadjuvant, adjuvant, and metastatic settings. Neratinib with high anticancer activity is indicated for the prolonged adjuvant treatment of HER2-positive early BC, or in combination with other drugs including trastuzumab, capecitabine, and paclitaxel for the treatment of advanced HER2-positive BC especially cancers with central nervous system (CNS) metastasis to reduce the risk of BC recurrence. This article reviewed the pharmacological profiles, efficacy, safety, tolerability, and current clinical trials pertaining to neratinib, with a particular focus on the use of neratinib in patients with metastatic breast cancer (MBC) involving the CNS. We further discussed the use of neratinib for HER2-negative and HER2-mutant breast cancers, and mechanisms of resistance to neratinib. The current evidence suggests that neratinib has promising efficacy in patients with BC which is at least non-inferior compared to previous therapeutic regimens. The most common AE was diarrhea, and the incidence, severity and duration of neratinib-related grade 3 diarrhea can be reduced with loperamide. Of note, neratinib has the potential to effectively control and prevent brain metastasis in patients with advanced BC, providing a therapeutic strategy for HER2-positive BC.
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Affiliation(s)
- Liting Guo
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
| | - Weiwei Shao
- Department of Pathology, The First People's Hospital of Yancheng City, Yancheng, China
| | - Chenfei Zhou
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China
| | - Hui Yang
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China
| | - Liu Yang
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China
| | - Qu Cai
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China
| | - Junqing Wang
- Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
| | - Yan Shi
- Department of General Surgery, Shanghai Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, 358 Datong Road, Gaoqiao Town, Shanghai, 200137, China.
| | - Lei Huang
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
- Medical Center on Aging of Ruijin Hospital, MCARJH, Shanghai Jiaotong University School of Medicine, Shanghai, China.
| | - Jun Zhang
- Department of Oncology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China
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Yamamiya I, Hunt A, Takenaka T, Sonnichsen D, Mina M, He Y, Benhadji KA, Gao L. Evaluation of the Cytochrome P450 3A and P-glycoprotein Drug-Drug Interaction Potential of Futibatinib. Clin Pharmacol Drug Dev 2023; 12:966-978. [PMID: 37132707 DOI: 10.1002/cpdd.1259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/26/2023] [Indexed: 05/04/2023]
Abstract
Futibatinib, a selective, irreversible fibroblast growth factor receptor 1-4 inhibitor, is being investigated for tumors harboring FGFR aberrations and was recently approved for the treatment of FGFR2 fusion/rearrangement-positive intrahepatic cholangiocarcinoma. In vitro studies identified cytochrome P450 (CYP) 3A as the major CYP isoform in futibatinib metabolism and indicated that futibatinib is likely a P-glycoprotein (P-gp) substrate and inhibitor. Futibatinib also showed time-dependent inhibition of CYP3A in vitro. Phase I studies investigated the drug-drug interactions of futibatinib with itraconazole (a dual P-gp and strong CYP3A inhibitor), rifampin (a dual P-gp and strong CYP3A inducer), or midazolam (a sensitive CYP3A substrate) in healthy adult participants. Compared with futibatinib alone, coadministration of futibatinib with itraconazole increased futibatinib mean peak plasma concentration and area under the plasma concentration-time curve by 51% and 41%, respectively, and coadministration of futibatinib with rifampin lowered futibatinib mean peak plasma concentration and area under the plasma concentration-time curve by 53% and 64%, respectively. Coadministration of midazolam with futibatinib had no effect on midazolam pharmacokinetics compared with midazolam administered alone. These findings suggest that concomitant use of dual P-gp and strong CYP3A inhibitors/inducers with futibatinib should be avoided, but futibatinib can be concomitantly administered with other drugs metabolized by CYP3A. Drug-drug interaction studies with P-gp-specific substrates and inhibitors are planned.
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Affiliation(s)
| | | | - Toru Takenaka
- Taiho Pharmaceuticals Co., Ltd., Tsukuba, Ibaraki, Japan
| | - Daryl Sonnichsen
- Sonnichsen Pharmaceutical Associates, LLC, Collegeville, Pennsylvania, USA
| | - Mark Mina
- Taiho Oncology, Inc., Princeton, New Jersey, USA
| | - Yaohua He
- Taiho Oncology, Inc., Princeton, New Jersey, USA
| | | | - Ling Gao
- Taiho Oncology, Inc., Princeton, New Jersey, USA
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Yamamiya I, Hunt A, Yamashita F, Sonnichsen D, Muto T, He Y, Benhadji KA. Evaluation of the Mass Balance and Metabolic Profile of Futibatinib in Healthy Participants. Clin Pharmacol Drug Dev 2023; 12:927-939. [PMID: 37300358 DOI: 10.1002/cpdd.1271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/25/2023] [Indexed: 06/12/2023]
Abstract
Futibatinib, a selective, irreversible fibroblast growth factor receptor 1-4 inhibitor, was recently approved for FGFR2 rearrangement-positive cholangiocarcinoma. This Phase I study evaluated the mass balance and metabolic profile of 14 C-futibatinib single oral 20-mg dose in healthy participants (n = 6). Futibatinib was rapidly absorbed; median time to peak drug concentration was 1.0 hours. The mean elimination half-life in plasma was 2.3 hours for futibatinib, and 11.9 hours for total radioactivity. Mean recovery of total radioactivity was 70% of the dose, with 64% recovered in feces and 6% in urine. The major excretion route was fecal; negligible levels were excreted as parent futibatinib. Futibatinib was the most abundant plasma component, comprising 59% of circulating radioactivity (CRA). The most abundant metabolites were cysteinylglycine-conjugated futibatinib in plasma (13% CRA) and reduction of desmethyl futibatinib in feces (17% of dose). In human hepatocytes, 14 C-futibatinib metabolites included glucuronide and sulfate of desmethyl futibatinib, whose formation was inhibited by 1-aminobenzotriazole (a pan-cytochrome P450 inhibitor), and glutathione- and cysteine-conjugated futibatinib. These data indicate the primary metabolic pathways of futibatinib are O-desmethylation and glutathione conjugation, with cytochrome P450 enzyme-mediated desmethylation as the main oxidation pathway. 14 C-futibatinib was well tolerated in this Phase 1 study.
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Affiliation(s)
- Ikuo Yamamiya
- Taiho Oncology, Inc., Princeton, NJ, USA
- Taiho Pharmaceutical Co., Ltd., Tsukuba, Ibaraki, Japan
| | | | | | - Daryl Sonnichsen
- Sonnichsen Pharmaceutical Associates, LLC, Collegeville, PA, USA
| | | | - Yaohua He
- Taiho Oncology, Inc., Princeton, NJ, USA
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Manevski N, Umehara K, Parrott N. Drug Design and Success of Prospective Mouse In Vitro-In Vivo Extrapolation (IVIVE) for Predictions of Plasma Clearance (CL p) from Hepatocyte Intrinsic Clearance (CL int). Mol Pharm 2023. [PMID: 37235687 DOI: 10.1021/acs.molpharmaceut.2c01001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Hepatocyte intrinsic clearance (CLint) and methods of in vitro-in vivo extrapolation (IVIVE) are often used to predict plasma clearance (CLp) in drug discovery. While the prediction success of this approach is dependent on the chemotype, specific molecular properties and drug design features that govern these outcomes are poorly understood. To address this challenge, we investigated the success of prospective mouse CLp IVIVE across 2142 chemically diverse compounds. Dilution scaling, which assumes that the free fraction in hepatocyte incubations (fu,inc) is governed by binding to the 10% of serum in the incubation medium, was used as our default CLp IVIVE approach. Results show that predictions of CLp are better for smaller (molecular weight (MW) < 500 Da), less polar (total polar surface area (TPSA) < 100 Å2, hydrogen bond donor (HBD) ≤1, hydrogen bond acceptor (HBA) ≤ 6), lipophilic (log D > 3), and neutral compounds, with low HBD count playing the key role. If compounds are classified according to their chemical space, predictions were good for compounds resembling central nervous system (CNS) drugs [average absolute fold error (AAFE) of 2.05, average fold error (AFE) of 0.90], moderate for classical druglike compounds (according to Lipinski, Veber, and Ghose guidelines; AAFE of 2.55; AFE of 0.68), and poor for nonclassical "beyond the rule of 5" compounds (AAFE of 3.31; AFE of 0.41). From the perspective of measured druglike properties, predictions of CLp were better for compounds with moderate-to-high hepatocyte CLint (>10 μL/min/106 cells), high passive cellular permeability (Papp > 100 nm/s), and moderate observed CLp (5-50 mL/min/kg). Influences of plasma protein binding (fu,p) and P-glycoprotein (Pgp) apical efflux ratio (AP-ER) were less pronounced. If the extended clearance classification system (ECCS) is applied, predictions were good for class 2 (Papp > 50 nm/s; neutral or basic; AAFE of 2.35; AFE of 0.70) and acceptable for class 1A compounds (AAFE of 2.98; AFE of 0.70). Classes 1B, 3 A/B, and 4 showed poor outcomes (AAFE > 3.80; AFE < 0.60). Functional groups trending toward weaker CLp IVIVE were esters, carbamates, sulfonamides, carboxylic acids, ketones, primary and secondary amines, primary alcohols, oxetanes, and compounds liable to aldehyde oxidase metabolism, likely due to multifactorial reasons. Multivariate analysis showed that multiple properties are relevant, combining together to define the overall success of CLp IVIVE. Our results indicate that the current practice of prospective CLp IVIVE is suitable only for CNS-like compounds and well-behaved classical druglike space (e.g., high permeability or ECCS class 2) without challenging functional groups. Unfortunately, based on existing mouse data, prospective CLp IVIVE for complex and nonclassical chemotypes is poor and hardly better than random guessing. This is likely due to complexities such as extrahepatic metabolism and transporter-mediated disposition which are poorly captured by this methodology. With small-molecule drug discovery increasingly evolving toward nonclassical and complex chemotypes, existing CLp IVIVE methodology will require improvement. While empirical correction factors may bridge the gap in the near future, improved and new in vitro assays, data integration models, and machine learning (ML) methods are increasingly needed to address this challenge and reduce the number of nonclinical pharmacokinetic (PK) studies.
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Affiliation(s)
- Nenad Manevski
- Roche Pharmaceutical Research and Early Development (pRED), Roche Innovation Center Basel, 4070 Basel, Switzerland
| | - Kenichi Umehara
- Roche Pharmaceutical Research and Early Development (pRED), Roche Innovation Center Basel, 4070 Basel, Switzerland
| | - Neil Parrott
- Roche Pharmaceutical Research and Early Development (pRED), Roche Innovation Center Basel, 4070 Basel, Switzerland
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Ng R, Zhang G, Li JJ. An update on the discovery and development of reversible covalent inhibitors. Med Chem Res 2023; 32:1039-1062. [PMID: 37305209 PMCID: PMC10148018 DOI: 10.1007/s00044-023-03065-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 04/18/2023] [Indexed: 06/13/2023]
Abstract
Small molecule drugs that covalently bind irreversibly to their target proteins have several advantages over conventional reversible inhibitors. They include increased duration of action, less-frequent drug dosing, reduced pharmacokinetic sensitivity, and the potential to target intractable shallow binding sites. Despite these advantages, the key challenges of irreversible covalent drugs are their potential for off-target toxicities and immunogenicity risks. Incorporating reversibility into covalent drugs would lead to less off-target toxicity by forming reversible adducts with off-target proteins and thus reducing the risk of idiosyncratic toxicities caused by the permanent modification of proteins, which leads to higher levels of potential haptens. Herein, we systematically review electrophilic warheads employed during the development of reversible covalent drugs. We hope the structural insights of electrophilic warheads would provide helpful information to medicinal chemists and aid in designing covalent drugs with better on-target selectivity and improved safety. Graphical Abstract
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Affiliation(s)
- Raymond Ng
- Olema Oncology, 512 2nd St., 4th Floor, San Francisco, 94107 CA USA
| | - Guiping Zhang
- Genhouse Bio, No.1 Xinze Road, Suzhou Industrial Park, Suzhou, Jiangsu Province 215123 PR China
| | - Jie Jack Li
- Genhouse Bio, No.1 Xinze Road, Suzhou Industrial Park, Suzhou, Jiangsu Province 215123 PR China
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11
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Ito S, Otsuki S, Ohsawa H, Hirano A, Kazuno H, Yamashita S, Egami K, Shibata Y, Yamamiya I, Yamashita F, Kodama Y, Funabashi K, Kazuno H, Komori T, Suzuki S, Sootome H, Hirai H, Sagara T. Discovery of Futibatinib: The First Covalent FGFR Kinase Inhibitor in Clinical Use. ACS Med Chem Lett 2023; 14:396-404. [PMID: 37077386 PMCID: PMC10108393 DOI: 10.1021/acsmedchemlett.3c00006] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023] Open
Abstract
Deregulating fibroblast growth factor receptor (FGFR) signaling is a promising strategy for cancer therapy. Herein, we report the discovery of compound 5 (TAS-120, futibatinib), a potent and selective covalent inhibitor of FGFR1-4, starting from a unique dual inhibitor of mutant epidermal growth factor receptor and FGFR (compound 1). Compound 5 inhibited all four families of FGFRs in the single-digit nanomolar range and showed high selectivity for over 387 kinases. Binding site analysis revealed that compound 5 covalently bound to the cysteine 491 highly flexible glycine-rich loop region of the FGFR2 adenosine triphosphate pocket. Futibatinib is currently in Phase I-III trials for patients with oncogenically driven FGFR genomic aberrations. In September 2022, the U.S. Food & Drug Administration granted accelerated approval for futibatinib in the treatment of previously treated, unresectable, locally advanced, or metastatic intrahepatic cholangiocarcinoma harboring an FGFR2 gene fusion or other rearrangement.
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Affiliation(s)
- Satoru Ito
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Sachie Otsuki
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hirokazu Ohsawa
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Atsushi Hirano
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hideki Kazuno
- Formulation
Research Lab, CMC Division, Taiho Pharmaceutical
Co. Ltd., Tokushima, Tokushima 771-0194, Japan
| | - Satoshi Yamashita
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Kosuke Egami
- Intellectual
Property Department, Taiho Pharmaceutical
Co. Ltd., 1-27 Kandanishiki-cho, Chiyoda-ku, Tokyo 101-8444, Japan
| | - Yoshihiro Shibata
- MA
Project Management Office, Taiho Pharmaceutical
Co. Ltd., 1-27 Kandanishiki-cho, Chiyoda-ku, Tokyo 101-8444, Japan
| | - Ikuo Yamamiya
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Fumiaki Yamashita
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Yasuo Kodama
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Kaoru Funabashi
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiromi Kazuno
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Toshiharu Komori
- Regulatory
Affairs Department, Taiho Pharmaceutical
Co. Ltd., 1-27 Kandanishiki-cho, Chiyoda-ku, Tokyo 101-8444, Japan
| | - Satoshi Suzuki
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiroshi Sootome
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Hiroshi Hirai
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
| | - Takeshi Sagara
- Discovery
and Preclinical Research Division, Taiho
Pharmaceutical Co. Ltd., Tsukuba, Ibaraki 300-2611, Japan
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12
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Joshi RP, Schultz KJ, Wilson JW, Kruel A, Varikoti RA, Kombala CJ, Kneller DW, Galanie S, Phillips G, Zhang Q, Coates L, Parvathareddy J, Surendranathan S, Kong Y, Clyde A, Ramanathan A, Jonsson CB, Brandvold KR, Zhou M, Head MS, Kovalevsky A, Kumar N. AI-Accelerated Design of Targeted Covalent Inhibitors for SARS-CoV-2. J Chem Inf Model 2023; 63:1438-1453. [PMID: 36808989 PMCID: PMC9969887 DOI: 10.1021/acs.jcim.2c01377] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Indexed: 02/23/2023]
Abstract
Direct-acting antivirals for the treatment of the COVID-19 pandemic caused by the SARS-CoV-2 virus are needed to complement vaccination efforts. Given the ongoing emergence of new variants, automated experimentation, and active learning based fast workflows for antiviral lead discovery remain critical to our ability to address the pandemic's evolution in a timely manner. While several such pipelines have been introduced to discover candidates with noncovalent interactions with the main protease (Mpro), here we developed a closed-loop artificial intelligence pipeline to design electrophilic warhead-based covalent candidates. This work introduces a deep learning-assisted automated computational workflow to introduce linkers and an electrophilic "warhead" to design covalent candidates and incorporates cutting-edge experimental techniques for validation. Using this process, promising candidates in the library were screened, and several potential hits were identified and tested experimentally using native mass spectrometry and fluorescence resonance energy transfer (FRET)-based screening assays. We identified four chloroacetamide-based covalent inhibitors of Mpro with micromolar affinities (KI of 5.27 μM) using our pipeline. Experimentally resolved binding modes for each compound were determined using room-temperature X-ray crystallography, which is consistent with the predicted poses. The induced conformational changes based on molecular dynamics simulations further suggest that the dynamics may be an important factor to further improve selectivity, thereby effectively lowering KI and reducing toxicity. These results demonstrate the utility of our modular and data-driven approach for potent and selective covalent inhibitor discovery and provide a platform to apply it to other emerging targets.
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Affiliation(s)
- Rajendra P. Joshi
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
| | - Katherine J. Schultz
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
| | - Jesse William Wilson
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
| | - Agustin Kruel
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
| | - Rohith Anand Varikoti
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
| | - Chathuri J. Kombala
- Elson S. Floyd College of Medicine, Department of
Nutrition and Exercise Physiology, Washington State University,
Spokane, Washington 99202, United States
| | - Daniel W. Kneller
- Neutron Scattering Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United
States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
| | - Stephanie Galanie
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
- Biosciences Division, Oak Ridge National
Laboratory, Oak Ridge, Tennessee 37831, United
States
- Department of Process Research and Development,
Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New
Jersey 07065, United States
| | - Gwyndalyn Phillips
- Neutron Scattering Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United
States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
| | - Qiu Zhang
- Neutron Scattering Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United
States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
| | - Leighton Coates
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
- Second Target Station, Oak Ridge National
Laboratory, Oak Ridge, Tennessee 37831, United
States
| | - Jyothi Parvathareddy
- Regional Biocontainment Laboratory, The
University of Tennessee Health Science Center, Memphis, Tennessee 38105,
United States
| | - Surekha Surendranathan
- Regional Biocontainment Laboratory, The
University of Tennessee Health Science Center, Memphis, Tennessee 38105,
United States
| | - Ying Kong
- Regional Biocontainment Laboratory, The
University of Tennessee Health Science Center, Memphis, Tennessee 38105,
United States
| | - Austin Clyde
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
- Data Science and Learning Division,
Argonne National Laboratory, Lemont, Illinois 60439,
United States
| | - Arvind Ramanathan
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
- Data Science and Learning Division,
Argonne National Laboratory, Lemont, Illinois 60439,
United States
| | - Colleen B. Jonsson
- Regional Biocontainment Laboratory, The
University of Tennessee Health Science Center, Memphis, Tennessee 38105,
United States
- Institute for the Study of Host-Pathogen Systems,
University of Tennessee Health Science Center, Memphis,
Tennessee 38103, United States
- Department of Microbiology, Immunology and
Biochemistry, University of Tennessee Health Science Center,
Memphis, Tennessee 38103, United States
| | - Kristoffer R. Brandvold
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
- Elson S. Floyd College of Medicine, Department of
Nutrition and Exercise Physiology, Washington State University,
Spokane, Washington 99202, United States
| | - Mowei Zhou
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
| | - Martha S. Head
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
- Joint Institute for Biological Sciences,
Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831,
United States
- Center for Research Acceleration by Digital
Innovation, Amgen Research, Thousand Oaks, California 91320,
United States
| | - Andrey Kovalevsky
- Neutron Scattering Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United
States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
| | - Neeraj Kumar
- Earth and Biological Sciences Directorate,
Pacific Northwest National Laboratory, Richland, Washington
99352, United States
- National Virtual Biotechnology Laboratory,
US Department of Energy, Washington, District of Columbia
20585, United States
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13
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Wheeler AM, Eberhard CD, Mosher EP, Yuan Y, Wilkins HN, Seneviratne HK, Orsburn BC, Bumpus NN. Achieving a Deeper Understanding of Drug Metabolism and Responses Using Single-Cell Technologies. Drug Metab Dispos 2023; 51:350-359. [PMID: 36627162 PMCID: PMC10029823 DOI: 10.1124/dmd.122.001043] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 01/12/2023] Open
Abstract
Recent advancements in single-cell technologies have enabled detection of RNA, proteins, metabolites, and xenobiotics in individual cells, and the application of these technologies has the potential to transform pharmacological research. Single-cell data has already resulted in the development of human and model species cell atlases, identifying different cell types within a tissue, further facilitating the characterization of tumor heterogeneity, and providing insight into treatment resistance. Research discussed in this review demonstrates that distinct cell populations express drug metabolizing enzymes to different extents, indicating there may be variability in drug metabolism not only between organs, but within tissue types. Additionally, we put forth the concept that single-cell analyses can be used to expose underlying variability in cellular response to drugs, providing a unique examination of drug efficacy, toxicity, and metabolism. We will outline several of these techniques: single-cell RNA-sequencing and mass cytometry to characterize and distinguish different cell types, single-cell proteomics to quantify drug metabolizing enzymes and characterize cellular responses to drug, capillary electrophoresis-ultrasensitive laser-induced fluorescence detection and single-probe single-cell mass spectrometry for detection of drugs, and others. Emerging single-cell technologies such as these can comprehensively characterize heterogeneity in both cell-type-specific drug metabolism and response to treatment, enhancing progress toward personalized and precision medicine. SIGNIFICANCE STATEMENT: Recent technological advances have enabled the analysis of gene expression and protein levels in single cells. These types of analyses are important to investigating mechanisms that cannot be elucidated on a bulk level, primarily due to the variability of cell populations within biological systems. Here, we summarize cell-type-specific drug metabolism and how pharmacologists can utilize single-cell approaches to obtain a comprehensive understanding of drug metabolism and cellular heterogeneity in response to drugs.
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Affiliation(s)
- Abigail M Wheeler
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Colten D Eberhard
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Eric P Mosher
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Yuting Yuan
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Hannah N Wilkins
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Herana Kamal Seneviratne
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Benjamin C Orsburn
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
| | - Namandjé N Bumpus
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland (A.M.W., C.D.E., E.P.M., Y.Y., H.N.W., H.K.S., B.C.O., N.N.B.) and Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, Maryland (H.K.S.)
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14
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Lorthiois E, Gerspacher M, Beyer KS, Vaupel A, Leblanc C, Stringer R, Weiss A, Wilcken R, Guthy DA, Lingel A, Bomio-Confaglia C, Machauer R, Rigollier P, Ottl J, Arz D, Bernet P, Desjonqueres G, Dussauge S, Kazic-Legueux M, Lozac'h MA, Mura C, Sorge M, Todorov M, Warin N, Zink F, Voshol H, Zecri FJ, Sedrani RC, Ostermann N, Brachmann SM, Cotesta S. JDQ443, a Structurally Novel, Pyrazole-Based, Covalent Inhibitor of KRAS G12C for the Treatment of Solid Tumors. J Med Chem 2022; 65:16173-16203. [PMID: 36399068 DOI: 10.1021/acs.jmedchem.2c01438] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Rapid emergence of tumor resistance via RAS pathway reactivation has been reported from clinical studies of covalent KRASG12C inhibitors. Thus, inhibitors with broad potential for combination treatment and distinct binding modes to overcome resistance mutations may prove beneficial. JDQ443 is an investigational covalent KRASG12C inhibitor derived from structure-based drug design followed by extensive optimization of two dissimilar prototypes. JDQ443 is a stable atropisomer containing a unique 5-methylpyrazole core and a spiro-azetidine linker designed to position the electrophilic acrylamide for optimal engagement with KRASG12C C12. A substituted indazole at pyrazole position 3 results in novel interactions with the binding pocket that do not involve residue H95. JDQ443 showed PK/PD activity in vivo and dose-dependent antitumor activity in mouse xenograft models. JDQ443 is now in clinical development, with encouraging early phase data reported from an ongoing Phase Ib/II clinical trial (NCT04699188).
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Affiliation(s)
- Edwige Lorthiois
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Marc Gerspacher
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Kim S Beyer
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Andrea Vaupel
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Catherine Leblanc
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Rowan Stringer
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Andreas Weiss
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Rainer Wilcken
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Daniel A Guthy
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Andreas Lingel
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | | | - Rainer Machauer
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Pascal Rigollier
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Johannes Ottl
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Dorothee Arz
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | | | | | - Solene Dussauge
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | | | | | - Christophe Mura
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Mickaël Sorge
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Milen Todorov
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Nicolas Warin
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Florence Zink
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Hans Voshol
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Frederic J Zecri
- Novartis Institutes for BioMedical Research, Cambridge, Massachusetts02139, United States
| | - Richard C Sedrani
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | - Nils Ostermann
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
| | | | - Simona Cotesta
- Novartis Institutes for BioMedical Research, BaselCH-4056, Switzerland
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15
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Yang Z, Du Y, Lei L, Xia X, Wang X, Tong F, Li Y, Gao H. Co-delivery of ibrutinib and hydroxychloroquine by albumin nanoparticles for enhanced chemotherapy of glioma. Int J Pharm 2022; 630:122436. [PMID: 36436742 DOI: 10.1016/j.ijpharm.2022.122436] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 10/18/2022] [Accepted: 11/20/2022] [Indexed: 11/25/2022]
Abstract
Ibrutinib (IBR) is an oral covalent inhibitor of Bruton's tyrosine kinase (BTK) that has been approved for the treatment of hematological malignancies. It was reported that IBR exhibited great therapeutic potential for glioma. However, the poor water solubility and high hepatic first-pass effect restrict its anti-glioma application. Meanwhile, IBR induces cytoprotective autophagy through Akt/mTOR signaling pathway, thus leading to a compromised antitumor effect. Herein, we aimed to develop a human serum albumin (HSA) based co-delivery system (IBR&HCQ HSA NPs) encapsulating IBR and hydroxychloroquine (HCQ). The bioavailability of IBR was largely improved, and enhanced sensitivity of glioma to IBR was achieved due to inhibition effect of HCQ on IBR-induced pro-survival autophagy. The physicochemical properties of IBR&HCQ HSA NPs were characterized to optimize the formulation. Biodistribution investigation revealed that HSA NPs (20 mg/kg, i.v.) dramatically increased the accumulation of IBR in glioma, which was 5.59 times higher than that of free IBR (100 mg/kg, i.g.). CCK-8 and apoptosis assays demonstrated that IBR&HCQ HSA NPs showed maximal cytotoxicity to C6 cells. In vivo studies indicated that the survival time was significantly prolonged in IBR&HCQ HSA NPs treated mice compared to those treated with IBR HSA NPs. Taken together, the HSA-based drug delivery system of IBR and HCQ opens a new avenue for efficient treatment of glioma.
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Affiliation(s)
- Zhihang Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Yufan Du
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Lei Lei
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Xue Xia
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Xiaorong Wang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Fan Tong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China
| | - Yuan Li
- Gynecology and Obstetrics Department, Peking University Third Hospital, Beijing 100191, PR China.
| | - Huile Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610064, PR China.
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16
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Potęga A. Glutathione-Mediated Conjugation of Anticancer Drugs: An Overview of Reaction Mechanisms and Biological Significance for Drug Detoxification and Bioactivation. Molecules 2022; 27:molecules27165252. [PMID: 36014491 PMCID: PMC9412641 DOI: 10.3390/molecules27165252] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 11/26/2022] Open
Abstract
The effectiveness of many anticancer drugs depends on the creation of specific metabolites that may alter their therapeutic or toxic properties. One significant route of biotransformation is a conjugation of electrophilic compounds with reduced glutathione, which can be non-enzymatic and/or catalyzed by glutathione-dependent enzymes. Glutathione usually combines with anticancer drugs and/or their metabolites to form more polar and water-soluble glutathione S-conjugates, readily excreted outside the body. In this regard, glutathione plays a role in detoxification, decreasing the likelihood that a xenobiotic will react with cellular targets. However, some drugs once transformed into thioethers are more active or toxic than the parent compound. Thus, glutathione conjugation may also lead to pharmacological or toxicological effects through bioactivation reactions. My purpose here is to provide a broad overview of the mechanisms of glutathione-mediated conjugation of anticancer drugs. Additionally, I discuss the biological importance of glutathione conjugation to anticancer drug detoxification and bioactivation pathways. I also consider the potential role of glutathione in the metabolism of unsymmetrical bisacridines, a novel prosperous class of anticancer compounds developed in our laboratory. The knowledge on glutathione-mediated conjugation of anticancer drugs presented in this review may be noteworthy for improving cancer therapy and preventing drug resistance in cancers.
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Affiliation(s)
- Agnieszka Potęga
- Department of Pharmaceutical Technology and Biochemistry, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza Str. 11/12, 80-233 Gdańsk, Poland
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17
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Khojasteh SC, Argikar UA, Cho S, Crouch R, Heck CJS, Johnson KM, Kalgutkar AS, King L, Maw HH, Seneviratne HK, Wang S, Wei C, Zhang D, Jackson KD. Biotransformation Novel Advances - 2021 year in review. Drug Metab Rev 2022; 54:207-245. [PMID: 35815654 DOI: 10.1080/03602532.2022.2097253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Biotransformation field is constantly evolving with new molecular structures and discoveries of metabolic pathways that impact efficacy and safety. Recent review by Kramlinger et al (2022) nicely captures the future (and the past) of highly impactful science of biotransformation (see the first article). Based on the selected articles, this review was categorized into three sections: (1) new modalities biotransformation, (2) drug discovery biotransformation, and (3) drug development biotransformation (Table 1).
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Affiliation(s)
- S Cyrus Khojasteh
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
| | - Upendra A Argikar
- Non-clinical Development, Bill & Melinda Gates Medical Research Institute, Cambridge, MA 02139, USA
| | - Sungjoon Cho
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
| | - Rachel Crouch
- Department of Pharmaceutical Sciences, Lipscomb University College of Pharmacy and Health Sciences, Nashville, TN, 37203, USA
| | - Carley J S Heck
- Medicine Design, Pfizer Worldwide Research, Development and Medical, Eastern Point Road, Groton, Connecticut, USA
| | - Kevin M Johnson
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
| | - Amit S Kalgutkar
- Medicine Design, Pfizer Worldwide Research, Development and Medical, Cambridge, MA 02139, USA
| | - Lloyd King
- Quantitative Drug Discovery, UCB Biopharma UK, 216 Bath Road, Slough, SL1 3WE, UK
| | - Hlaing Holly Maw
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, 06877, USA
| | - Herana Kamal Seneviratne
- Department of Pharmacology and Molecular Sciences, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Shuai Wang
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
| | - Cong Wei
- Drug Metabolism & Pharmacokinetics, Biogen Inc., Cambridge, MA, 02142, USA
| | - Donglu Zhang
- Department of Drug Metabolism and Pharmacokinetics, Genentech, Inc., 1 DNA Way, MS412a, South San Francisco, CA, 94080, USA
| | - Klarissa D Jackson
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA
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18
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Tang LWT, Fu J, Koh SK, Wu G, Zhou L, Chan ECY. Metabolic Activation of the Acrylamide Michael Acceptor Warhead in Futibatinib to an Epoxide Intermediate Engenders Covalent Inactivation of Cytochrome P450 3A. Drug Metab Dispos 2022; 50:931-941. [PMID: 35512804 DOI: 10.1124/dmd.122.000895] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/06/2022] [Indexed: 11/22/2022] Open
Abstract
Futibatinib (FUT) is a potent inhibitor of fibroblast growth factor receptor (FGFR) 1-4 that is currently under clinical investigation for intrahepatic cholangiocarcinoma. Unlike its predecessors, FUT possesses an acrylamide warhead which enables it to bind covalently to a free cysteine residue in the FGFR kinase domain. However, it remains uninterrogated if this electrophilic α,β-unsaturated carbonyl scaffold could also directly or indirectly engender off-target covalent binding to nucleophilic centres on other cellular proteins. Here, we discovered that FUT inactivated both cytochrome P450 3A (CYP3A) isoforms with K I, k inact, and partition ratio of 12.5 and 51.4 µM, 0.25 and 0.06 min-1 and ~52 and ~58 for CYP3A4 and CYP3A5, respectively. Along with its time-, concentration- and cofactor-dependent inhibitory profile, FUT also exhibited several cardinal features that were consistent with mechanism-based inactivation. Moreover, the nature of inactivation was unlikely to be pseudo-irreversible and instead arose from the covalent modification of the P450 apoprotein and/or its heme moiety due to the lack of substantial enzyme activity recovery following dialysis and chemical oxidation as well as the absence of the diagnostic Soret peak in spectral analyses. Finally, utilizing GSH trapping and high-resolution mass spectrometry, we illuminated that while the acrylamide moiety in FUT could nonenzymatically conjugate to GSH via Michael addition, it was not implicated in the covalent inactivation of CYP3A. Rather, we surmised that it likely stemmed from the metabolic activation of its acrylamide covalent warhead to a highly electrophilic epoxide intermediate that could covalently modify CYP3A and culminate in its catalytic inactivation. Significance Statement In this study, we reported for the first time the inactivation of CYP3A by FUT. Furthermore, using FUT as an exemplary targeted covalent inhibitor, our study revealed the propensity for its acrylamide Michael acceptor moiety to be metabolically activated to a highly electrophilic epoxide. Due to the growing resurgence of covalent inhibitors and the well-established toxicological ramifications associated with epoxides, we advocate that closer scrutiny be adopted when profiling the reactive metabolites of compounds possessing an α,β-unsaturated carbonyl scaffold.
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Affiliation(s)
| | - Jiaxin Fu
- National University of Singapore, Singapore
| | | | - Guoyi Wu
- National University of Singapore, Singapore
| | - Lei Zhou
- Singapore Eye Research Institute, Singapore
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19
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Kettle JG, Bagal SK, Bickerton S, Bodnarchuk MS, Boyd S, Breed J, Carbajo RJ, Cassar DJ, Chakraborty A, Cosulich S, Cumming I, Davies M, Davies NL, Eatherton A, Evans L, Feron L, Fillery S, Gleave ES, Goldberg FW, Hanson L, Harlfinger S, Howard M, Howells R, Jackson A, Kemmitt P, Lamont G, Lamont S, Lewis HJ, Liu L, Niedbala MJ, Phillips C, Polanski R, Raubo P, Robb G, Robinson DM, Ross S, Sanders MG, Tonge M, Whiteley R, Wilkinson S, Yang J, Zhang W. Discovery of AZD4625, a Covalent Allosteric Inhibitor of the Mutant GTPase KRAS G12C. J Med Chem 2022; 65:6940-6952. [PMID: 35471939 DOI: 10.1021/acs.jmedchem.2c00369] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
KRAS is an archetypal high-value intractable oncology drug target. The glycine to cysteine mutation at codon 12 represents an Achilles heel that has now rendered this important GTPase druggable. Herein, we report our structure-based drug design approach that led to the identification of 21, AZD4625, a clinical development candidate for the treatment of KRASG12C positive tumors. Highlights include a quinazoline tethering strategy to lock out a bio-relevant binding conformation and an optimization strategy focused on the reduction of extrahepatic clearance mechanisms seen in preclinical species. Crystallographic analysis was also key in helping to rationalize unusual structure-activity relationship in terms of ring size and enantio-preference. AZD4625 is a highly potent and selective inhibitor of KRASG12C with an anticipated low clearance and high oral bioavailability profile in humans.
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Affiliation(s)
| | | | | | | | - Scott Boyd
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Jason Breed
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | | | | | - Iain Cumming
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | | | - Laura Evans
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Lyman Feron
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Emma S Gleave
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | | | | | | | - Anne Jackson
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Paul Kemmitt
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Scott Lamont
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Libin Liu
- Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, P. R. China
| | | | | | - Radek Polanski
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Piotr Raubo
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Graeme Robb
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Sarah Ross
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Michael Tonge
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | - Junsheng Yang
- Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, P. R. China
| | - Wenman Zhang
- Pharmaron Beijing Co., Ltd., 6 Taihe Road BDA, Beijing 100176, P. R. China
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20
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Tao G, Dagher F, Ghose R. Neratinib causes non-recoverable gut injury and reduces intestinal cytochrome P450 3A enzyme in mice. Toxicol Res (Camb) 2022; 11:184-194. [PMID: 35237423 PMCID: PMC8882787 DOI: 10.1093/toxres/tfab111] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/15/2021] [Accepted: 10/29/2021] [Indexed: 01/21/2023] Open
Abstract
Neratinib is a pan-HER tyrosine kinase inhibitor newly approved by FDA in 2017 to treat HER2-positive breast cancer, but the phase III trial of neratinib showed that 96% of the patients taking neratinib experienced diarrhea. So far very few mechanistic studies explore neratinib-induced gastrointestinal (GI) toxicity. Hereby, we performed toxicity studies in mice to characterize the potential mechanism underlying this adverse effect. C57BL/6 J mice were separated into three groups A, B, C. Group A received vehicle; group B was orally dosed with 100 mg/kg neratinib once daily for 18 days. Group C was dosed with 100 mg/kg neratinib for 12 days and switched to vehicle for 6 days. Intestine and liver were collected for further analysis. Human intestine-derived cells were treated with neratinib in vitro. Our results showed that 12 days treatment of neratinib caused persistent histological damage in mouse GI tract. Both gene expression and activity of Cyp3a11, the major enzyme metabolizing neratinib in mice was reduced in small intestine. The gene expression of proinflammatory cytokines increased throughout the GI tract. Such damages were not recovered after 6 days without neratinib treatment. In addition, in vitro data showed that neratinib was potent in killing human intestine-derived cell lines. Based on such findings, we hypothesized that neratinib downregulates intestinal CYP3A enzyme to cause excessive drug disposition, eventually leading to gut injury.
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Affiliation(s)
- Gabriel Tao
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX 77204, USA
| | - Fatima Dagher
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX 77204, USA
| | - Romi Ghose
- Correspondence address. Department of Pharmacological and Pharmaceutical Sciences, University of Houston College of Pharmacy, Health Building 2, Room 7045, 4849 Calhoun Rd., 4349 Martin Luther King Blvd., Houston, TX 77204, USA. Tel: +1-832-842-8343. E-mail:
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21
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McKinney DC, McMillan BJ, Ranaghan MJ, Moroco JA, Brousseau M, Mullin-Bernstein Z, O'Keefe M, McCarren P, Mesleh MF, Mulvaney KM, Robinson F, Singh R, Bajrami B, Wagner FF, Hilgraf R, Drysdale MJ, Campbell AJ, Skepner A, Timm DE, Porter D, Kaushik VK, Sellers WR, Ianari A. Discovery of a First-in-Class Inhibitor of the PRMT5-Substrate Adaptor Interaction. J Med Chem 2021; 64:11148-11168. [PMID: 34342224 DOI: 10.1021/acs.jmedchem.1c00507] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PRMT5 and its substrate adaptor proteins (SAPs), pICln and Riok1, are synthetic lethal dependencies in MTAP-deleted cancer cells. SAPs share a conserved PRMT5 binding motif (PBM) which mediates binding to a surface of PRMT5 distal to the catalytic site. This interaction is required for methylation of several PRMT5 substrates, including histone and spliceosome complexes. We screened for small molecule inhibitors of the PRMT5-PBM interaction and validated a compound series which binds to the PRMT5-PBM interface and directly inhibits binding of SAPs. Mode of action studies revealed the formation of a covalent bond between a halogenated pyridazinone group and cysteine 278 of PRMT5. Optimization of the starting hit produced a lead compound, BRD0639, which engages the target in cells, disrupts PRMT5-RIOK1 complexes, and reduces substrate methylation. BRD0639 is a first-in-class PBM-competitive inhibitor that can support studies of PBM-dependent PRMT5 activities and the development of novel PRMT5 inhibitors that selectively target these functions.
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Affiliation(s)
- David C McKinney
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Brian J McMillan
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Matthew J Ranaghan
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Jamie A Moroco
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Merissa Brousseau
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Zachary Mullin-Bernstein
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Meghan O'Keefe
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Patrick McCarren
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Michael F Mesleh
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Kathleen M Mulvaney
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Foxy Robinson
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Ritu Singh
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Besnik Bajrami
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Florence F Wagner
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Robert Hilgraf
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Martin J Drysdale
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Arthur J Campbell
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Adam Skepner
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - David E Timm
- Department of Biochemistry, University of Utah, 1390 Presidents Circle, Salt Lake City, Utah 84112, United States
| | - Dale Porter
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - Virendar K Kaushik
- Center for the Development of Therapeutics, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
| | - William R Sellers
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States.,Department of Medical Oncology, Dana-Farber Cancer Institute, Department of Medicine, Harvard Medical School, 44 Binney Street, Boston, Massachusetts 02215, United States
| | - Alessandra Ianari
- Cancer Program, The Broad Institute of MIT and Harvard, 415 Main Street, Cambridge, Massachusetts 02142, United States
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22
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Kim H, Hwang YS, Kim M, Park SB. Recent advances in the development of covalent inhibitors. RSC Med Chem 2021; 12:1037-1045. [PMID: 34355176 DOI: 10.1039/d1md00068c] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/23/2021] [Indexed: 01/03/2023] Open
Abstract
The use of covalent inhibitors in the field of drug discovery has attracted considerable attention in the 2000s. As a result, more than 50 covalent drugs are currently on the market, and numerous covalent drug candidates are now under development. Therefore, interest in covalent drugs is expected to continue in the future. The purpose of this focused review is to provide an understanding of the development of covalent inhibitors by describing their inherent characteristics, possibilities, and limitations based on their mechanistic differences from noncovalent inhibitors. We also introduce the latest covalent warheads that can be applied to the development of potential covalent inhibitors.
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Affiliation(s)
- Hyunsoo Kim
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University Seoul 08826 Korea
| | - Yoon Soo Hwang
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University Seoul 08826 Korea
| | - Mingi Kim
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University Seoul 08826 Korea
| | - Seung Bum Park
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University Seoul 08826 Korea .,Department of Biophysics and Chemical Biology, Seoul National University Seoul 08826 Korea.,SPARK Biopharma, Inc. Seoul 08791 Korea
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23
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Rood JJM, Jamalpoor A, van Hoppe S, van Haren MJ, Wasmann RE, Janssen MJ, Schinkel AH, Masereeuw R, Beijnen JH, Sparidans RW. Extrahepatic metabolism of ibrutinib. Invest New Drugs 2021; 39:1-14. [PMID: 32623551 PMCID: PMC7851014 DOI: 10.1007/s10637-020-00970-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 06/24/2020] [Indexed: 02/07/2023]
Abstract
Ibrutinib is a first-in-class Bruton's kinase inhibitor used in the treatment of multiple lymphomas. In addition to CYP3A4-mediated metabolism, glutathione conjugation can be observed. Subsequently, metabolism of the conjugates and finally their excretion in feces and urine occurs. These metabolites, however, can reach substantial concentrations in human subjects, especially when CYP3A4 is inhibited. Ibrutinib has unexplained nephrotoxicity and high metabolite concentrations are also found in kidneys of Cyp3a knockout mice. Here, a mechanism is proposed where the intermediate cysteine metabolite is bioactivated. The metabolism of ibrutinib through this glutathione cycle was confirmed in cultured human renal proximal tubule cells. Ibrutinib-mediated toxicity was enhanced in-vitro by inhibitors of breast cancer resistance protein (BCRP), P-glycoprotein (P-gp) and multidrug resistance protein (MRP). This was a result of accumulating cysteine metabolite levels due to efflux inhibition. Finally, through inhibition of downstream metabolism, it was shown now that direct conjugation was responsible for cysteine metabolite toxicity.
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Affiliation(s)
- Johannes J M Rood
- Division of Pharmacoepidemiology & Clinical Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
- Benu apotheek Hoorn, Pakhuisstraat 80, 1621 GL, Hoorn, The Netherlands
| | - Amer Jamalpoor
- Division of Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Stephanie van Hoppe
- Division of Pharmacology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
- Charles River Laboratories, Darwinweg 24, 2333 CR, Leiden, The Netherlands
| | - Matthijs J van Haren
- Division of Chemical Biology & Drug Development, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
- Institute of Biology, Biological Chemistry Group, Leiden University, Sylviusweg 72, 2333 BE, Leiden, The Netherlands
| | - Roeland E Wasmann
- Department of Pharmacy, Radboud University Medical Centre, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory, Cape Town, 7925, South Africa
| | - Manoe J Janssen
- Division of Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Alfred H Schinkel
- Division of Pharmacology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Rosalinde Masereeuw
- Division of Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Jos H Beijnen
- Division of Pharmacoepidemiology & Clinical Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
- Department of Clinical Pharmacology, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - Rolf W Sparidans
- Division of Pharmacoepidemiology & Clinical Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
- Division of Pharmacology, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
- Division of Chemical Biology & Drug Development, Faculty of Science, Department of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
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24
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Abstract
Accurate estimation of in vivo clearance in human is pivotal to determine the dose and dosing regimen for drug development. In vitro-in vivo extrapolation (IVIVE) has been performed to predict drug clearance using empirical and physiological scalars. Multiple in vitro systems and mathematical modeling techniques have been employed to estimate in vivo clearance. The models for predicting clearance have significantly improved and have evolved to become more complex by integrating multiple processes such as drug metabolism and transport as well as passive diffusion. This chapter covers the use of conventional as well as recently developed methods to predict metabolic and transporter-mediated clearance along with the advantages and disadvantages of using these methods and the associated experimental considerations. The general approaches to improve IVIVE by use of appropriate scalars, incorporation of extrahepatic metabolism and transport and application of physiologically based pharmacokinetic (PBPK) models with proteomics data are also discussed. The chapter also provides an overview of the advantages of using such dynamic mechanistic models over static models for clearance predictions to improve IVIVE.
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25
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Retmana IA, Beijnen JH, Sparidans RW. Chromatographic bioanalytical assays for targeted covalent kinase inhibitors and their metabolites. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1162:122466. [PMID: 33316750 DOI: 10.1016/j.jchromb.2020.122466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 02/07/2023]
Abstract
Deriving from targeted kinase inhibitors (TKIs), targeted covalent kinase inhibitors (TCKIs) are a new class of TKIs that are covalently bound to their target residue of kinase receptors. Currently, there are many new TCKIs under clinical development besides afatinib, ibrutinib, osimertinib, neratinib, acalabrutinib, dacomitinib, and zanubrutinib that are already approved by the FDA. Subsequently, there is an increasing demand for bioanalytical methods to qualitatively and quantitively investigate those compounds, leading to a number of papers reporting the development, validation, and use of bioanalytical methods for TCKIs. Most publications describe the technological set up of analytical methods that allow quantification of TCKIs in various biomatrices such as plasma, cerebrospinal fluid, urine, tissue, and liver microsomes. In addition, the identification of metabolites and biotransformation pathways of new TCKIs has gained more interest in recent years. We provide an overview of bioanalytical methods of this new class of TCKIs. The included issues are sample pretreatment, chromatographic separation, detection, and method validation. In the scope of bioanalysis of TCKIs, protein precipitation is mostly applied to treat the biological matrices sample. Liquid chromatographic in reversed-phase mode (RPLC) and mass detection with triple quadrupole (QqQ) are the most often utilized separation and quantitative detection modes, respectively. There may be a possibility of increased use of the high-resolution mass spectrometry (HRMS) for qualitative investigation purposes in the future. We also found that US FDA and EMA guidelines are the most common guidelines employed as validation framework for the bioanalytical methods of TCKIs.
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Affiliation(s)
- Irene A Retmana
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands; Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacoepidemiology and Clinical Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands
| | - Jos H Beijnen
- Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacoepidemiology and Clinical Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands; The Netherlands Cancer Institute, Department of Pharmacy & Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands
| | - Rolf W Sparidans
- Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, the Netherlands.
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26
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Wang L, Guo L, Wang Y, Guo R, Xu Z, Gao Z, Xie L, Chen J, Chen Y, Liu Y, Zhang H, Bao L, Xu W, Zhu M, Shao F, Shu Y. Metabolic disposition of [ 14 C]-abivertinib, an epidermal growth factor receptor tyrosine kinase inhibitor: Role of glutathione conjugation. Br J Clin Pharmacol 2020; 87:1475-1485. [PMID: 32959915 DOI: 10.1111/bcp.14555] [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: 04/28/2020] [Revised: 09/04/2020] [Accepted: 09/11/2020] [Indexed: 11/29/2022] Open
Abstract
AIMS To determine the absorption, distribution, metabolism and excretion of abivertinib, a third-generation epidermal growth factor receptor tyrosine kinase inhibitor, in patients with advanced non-small cell lung cancer (NSCLC). METHODS Seven patients with advanced NSCLC were given a single 200 mg/83 μCi oral suspension of [14 C]-abivertinib. Blood, urine and faeces were collected. Mass balance of radioactivity, the pharmacokinetics of abivertinib, and the total radioactivity were determined. Metabolite profiling and characterisation were performed. RESULTS The mean recovery was 82.16%, with 2.38 and 79.78% of the radioactive dose excreted in urine and faeces, respectively. The unchanged abivertinib was the major radioactive component detected in plasma within the first 24 hours after dosing, accounting for 59.17% of the total drug-related radioactivity. Abivertinib in urine accounted for only 0.96% of the administered dose, whereas in faeces it accounted for 33.36%. Eight metabolites were detected and characterised in plasma, among which MII-7, a product of cysteine glycine conjugate, was the only circulating metabolite, accounting for approximate 10.6% of the total drug-related exposure. MII-2 (an abivertinib cysteine-glycine adduct) and M7 (a reduced product of abivertinib) were the 2 major metabolites in the excreta, accounting for 20.0 and 12.4%, respectively, of the drug-related radioactivity in faeces. CONCLUSION Following a single oral administration, the unchanged abivertinib was the predominant drug-related material in plasma, urine and faeces. The drug-related materials were primarily eliminated via the faecal route. Direct glutathione conjugation of abivertinib played a significant role in the metabolic clearance and metabolite exposure of abivertinib.
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Affiliation(s)
- Lu Wang
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Lian Guo
- Department of DMPK Service, Lab Testing Division, WuXi AppTec Co. Ltd., Nanjing, China
| | - Yixiang Wang
- Department of DMPK Service, Lab Testing Division, WuXi AppTec Co. Ltd., Nanjing, China
| | - Renhua Guo
- Department of Oncology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Zhaoqiang Xu
- Department of Nuclear Medicine, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Zhengzhen Gao
- Department of DMPK Service, Lab Testing Division, WuXi AppTec Co. Ltd., Nanjing, China
| | - Lijun Xie
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Juan Chen
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Ying Chen
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Yun Liu
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Hongwen Zhang
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Lihua Bao
- Department of Oncology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
| | - Wanhong Xu
- ACEA Pharmaceutical Research, Zhejiang, Hangzhou, China
| | - Mingshe Zhu
- Department of DMPK Service, Lab Testing Division, WuXi AppTec Co. Ltd., Nanjing, China.,MassDefect Technologies, Princeton, NJ, USA
| | - Feng Shao
- Phase 1 Clinical Trial Unit, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China.,Department of Clinical Pharmacology, Pharmacy College, Nanjing Medical University, Nanjing, China
| | - Yongqian Shu
- Department of Oncology, the First Affiliated Hospital with Nanjing Medical University, Nanjing, China
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27
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Baillie TA. Approaches to mitigate the risk of serious adverse reactions in covalent drug design. Expert Opin Drug Discov 2020; 16:275-287. [PMID: 33006907 DOI: 10.1080/17460441.2021.1832079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Covalent inhibition of target proteins using high affinity ligands bearing weakly electrophilic warheads is being adopted increasingly as design strategy in the discovery of novel therapeutics, and several covalent drugs have now received regulatory approval for indications in oncology. Experience to date with targeted covalent inhibitors has led to a number of design principles that underlie the safety and efficacy of this increasingly important class of molecules. AREAS COVERED A review is provided of the current status of the covalent drug approach, emphasizing the unique benefits and attendant risks associated with reversible and irreversible binders. Areas of application beyond inhibition of tyrosine kinases are presented, and design considerations to de-risk covalent inhibitors with respect to undesirable off-target effects are discussed. EXPERT OPINION High selectivity for the intended protein target has emerged as a key consideration in mitigating safety risks associated with widespread proteome reactivity. Powerful chemical proteomics-based techniques are now available to assess selectivity in a drug discovery setting. Optimizing pharmacokinetics to capitalize on the intrinsically high potency of covalent drugs should lead to low daily doses and greater safety margins, while minimizing susceptibility to metabolic activation likewise will attenuate the risk of covalent drug toxicity.
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Affiliation(s)
- Thomas A Baillie
- Department of Medicinal Chemistry, School of Pharmacy, University of Washington Seattle, Seattle, WA, USA
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28
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Basit A, Neradugomma NK, Wolford C, Fan PW, Murray B, Takahashi RH, Khojasteh SC, Smith BJ, Heyward S, Totah RA, Kelly EJ, Prasad B. Characterization of Differential Tissue Abundance of Major Non-CYP Enzymes in Human. Mol Pharm 2020; 17:4114-4124. [PMID: 32955894 DOI: 10.1021/acs.molpharmaceut.0c00559] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The availability of assays that predict the contribution of cytochrome P450 (CYP) metabolism allows for the design of new chemical entities (NCEs) with minimal oxidative metabolism. These NCEs are often substrates of non-CYP drug-metabolizing enzymes (DMEs), such as UDP-glucuronosyltransferases (UGTs), sulfotransferases (SULTs), carboxylesterases (CESs), and aldehyde oxidase (AO). Nearly 30% of clinically approved drugs are metabolized by non-CYP enzymes. However, knowledge about the differential hepatic versus extrahepatic abundance of non-CYP DMEs is limited. In this study, we detected and quantified the protein abundance of eighteen non-CYP DMEs (AO, CES1 and 2, ten UGTs, and five SULTs) across five different human tissues. AO was most abundantly expressed in the liver and to a lesser extent in the kidney; however, it was not detected in the intestine, heart, or lung. CESs were ubiquitously expressed with CES1 being predominant in the liver, while CES2 was enriched in the small intestine. Consistent with the literature, UGT1A4, UGT2B4, and UGT2B15 demonstrated liver-specific expression, whereas UGT1A10 expression was specific to the intestine. UGT1A1 and UGT1A3 were expressed in both the liver and intestine; UGT1A9 was expressed in the liver and kidney; and UGT2B17 levels were significantly higher in the intestine than in the liver. All five SULTs were detected in the liver and intestine, and SULT1A1 and 1A3 were detected in the lung. Kidney abundance was the most variable among the studied tissues, and overall, high interindividual variability (>15-fold) was observed for UGT2B17, CES2 (intestine), SULT1A1 (liver), UGT1A9, UGT2B7, and CES1 (kidney). These differential tissue abundance data can be integrated into physiologically based pharmacokinetic (PBPK) models for the prediction of non-CYP drug metabolism and toxicity in hepatic and extrahepatic tissues.
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Affiliation(s)
- Abdul Basit
- College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington 99202, United States
| | - Naveen K Neradugomma
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195, United States
| | - Christopher Wolford
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195, United States
| | - Peter W Fan
- Department of Pharmacokinetics, Pharmacodynamics and Drug Metabolism Merck & Co., Inc., 33 Avenue Louis Pasteur, Boston, Massachusetts 02115, United States
| | - Bernard Murray
- Drug Metabolism and Pharmacokinetics Department, Gilead Sciences Inc., 324 Lakeside Drive, Foster City, California 94404, United States
| | - Ryan H Takahashi
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., 1 DNA Way, MS 412a, South San Francisco, California 94080, United States
| | - S Cyrus Khojasteh
- Department of Drug Metabolism and Pharmacokinetics, Genentech Inc., 1 DNA Way, MS 412a, South San Francisco, California 94080, United States
| | - Bill J Smith
- Drug Metabolism and Pharmacokinetics Department, Gilead Sciences Inc., 324 Lakeside Drive, Foster City, California 94404, United States
| | - Scott Heyward
- BioIVT Inc., Baltimore, Maryland 21227, United States
| | - Rheem A Totah
- Department of Medicinal Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Edward J Kelly
- Department of Pharmaceutics, University of Washington, Seattle, Washington 98195, United States
| | - Bhagwat Prasad
- College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, Washington 99202, United States
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29
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Piesche M, Roos J, Kühn B, Fettel J, Hellmuth N, Brat C, Maucher IV, Awad O, Matrone C, Comerma Steffensen SG, Manolikakes G, Heinicke U, Zacharowski KD, Steinhilber D, Maier TJ. The Emerging Therapeutic Potential of Nitro Fatty Acids and Other Michael Acceptor-Containing Drugs for the Treatment of Inflammation and Cancer. Front Pharmacol 2020; 11:1297. [PMID: 33013366 PMCID: PMC7495092 DOI: 10.3389/fphar.2020.01297] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 08/05/2020] [Indexed: 12/13/2022] Open
Abstract
Nitro fatty acids (NFAs) are endogenously generated lipid mediators deriving from reactions of unsaturated electrophilic fatty acids with reactive nitrogen species. Furthermore, Mediterranean diets can be a source of NFA. These highly electrophilic fatty acids can undergo Michael addition reaction with cysteine residues, leading to post-translational modifications (PTM) of selected regulatory proteins. Such modifications are capable of changing target protein function during cell signaling or in biosynthetic pathways. NFA target proteins include the peroxisome proliferator-activated receptor γ (PPAR-γ), the pro-inflammatory and tumorigenic nuclear factor-κB (NF-κB) signaling pathway, the pro-inflammatory 5-lipoxygenases (5-LO) biosynthesis pathway as well as soluble epoxide hydrolase (sEH), which is essentially involved in the regulation of vascular tone. In several animal models of inflammation and cancer, the therapeutic efficacy of well-tolerated NFA has been demonstrated. This has already led to clinical phase II studies investigating possible therapeutic effects of NFA in subjects with pulmonary arterial hypertension. Albeit Michael acceptors feature a broad spectrum of bioactivity, they have for a rather long time been avoided as drug candidates owing to their presumed unselective reactivity and toxicity. However, targeted covalent modification of regulatory proteins by Michael acceptors became recognized as a promising approach to drug discovery with the recent FDA approvals of the cancer therapeutics, afatanib (2013), ibrutinib (2013), and osimertinib (2015). Furthermore, the Michael acceptor, neratinib, a dual inhibitor of the human epidermal growth factor receptor 2 and epidermal growth factor receptor, was recently approved by the FDA (2017) and by the EMA (2018) for the treatment of breast cancer. Finally, a number of further Michael acceptor drug candidates are currently under clinical investigation for pharmacotherapy of inflammation and cancer. In this review, we focus on the pharmacology of NFA and other Michael acceptor drugs, summarizing their potential as an emerging class of future antiphlogistics and adjuvant in tumor therapeutics.
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Affiliation(s)
- Matthias Piesche
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile.,Oncology Center, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Jessica Roos
- Department of Safety of Medicinal Products and Medical Devices, Paul-Ehrlich-Institut (Federal Institute for Vaccines and Biomedicines), Langen, Germany.,Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Benjamin Kühn
- Institute of Pharmaceutical Chemistry, Goethe-University, Frankfurt am Main, Germany
| | - Jasmin Fettel
- Institute of Pharmaceutical Chemistry, Goethe-University, Frankfurt am Main, Germany
| | - Nadine Hellmuth
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Camilla Brat
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Isabelle V Maucher
- Institute of Pharmaceutical Chemistry, Goethe-University, Frankfurt am Main, Germany
| | - Omar Awad
- Department of Safety of Medicinal Products and Medical Devices, Paul-Ehrlich-Institut (Federal Institute for Vaccines and Biomedicines), Langen, Germany
| | - Carmela Matrone
- Division of Pharmacology, Department of Neuroscience, School of Medicine, University of Naples Federico II, Naples, Italy
| | - Simon Gabriel Comerma Steffensen
- Department of Biomedicine, Medicine Faculty, Aarhus University, Aarhus, Denmark.,Animal Physiology, Department of Biomedical Sciences, Veterinary Faculty, Central University of Venezuela, Maracay, Venezuela
| | - Georg Manolikakes
- Department of Organic Chemistry, Technical University Kaiserslautern, Kaiserslautern, Germany
| | - Ulrike Heinicke
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Kai D Zacharowski
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Dieter Steinhilber
- Institute of Pharmaceutical Chemistry, Goethe-University, Frankfurt am Main, Germany
| | - Thorsten J Maier
- Department of Safety of Medicinal Products and Medical Devices, Paul-Ehrlich-Institut (Federal Institute for Vaccines and Biomedicines), Langen, Germany.,Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
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30
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Kong WM, Sun BB, Wang ZJ, Zheng XK, Zhao KJ, Chen Y, Zhang JX, Liu PH, Zhu L, Xu RJ, Li P, Liu L, Liu XD. Physiologically based pharmacokinetic-pharmacodynamic modeling for prediction of vonoprazan pharmacokinetics and its inhibition on gastric acid secretion following intravenous/oral administration to rats, dogs and humans. Acta Pharmacol Sin 2020; 41:852-865. [PMID: 31969689 PMCID: PMC7468366 DOI: 10.1038/s41401-019-0353-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 12/19/2019] [Indexed: 12/16/2022] Open
Abstract
Vonoprazan is characterized as having a long-lasting antisecretory effect on gastric acid. In this study we developed a physiologically based pharmacokinetic (PBPK)-pharmacodynamic (PD) model linking to stomach to simultaneously predict vonoprazan pharmacokinetics and its antisecretory effects following administration to rats, dogs, and humans based on in vitro parameters. The vonoprazan disposition in the stomach was illustrated using a limited-membrane model. In vitro metabolic and transport parameters were derived from hepatic microsomes and Caco-2 cells, respectively. We found the most predicted plasma concentrations and pharmacokinetic parameters of vonoprazan in rats, dogs and humans were within twofold errors of the observed data. Free vonoprazan concentrations (fu × C2) in the stomach were simulated and linked to the antisecretory effects of the drug (I) (increases in pH or acid output) using the fomula dI/dt = k × fu × C2 × (Imax − I) − kd × I. The vonoprazan dissociation rate constant kd (0.00246 min−1) and inhibition index KI (35 nM) for H+/K+-ATPase were obtained from literatures. The vonoprazan-H+/K+-ATPase binding rate constant k was 0.07028 min−1· μM−1 using ratio of kd to KI. The predicted antisecretory effects were consistent with the observations following intravenous administration to rats (0.7 and 1.0 mg/kg), oral administration to dogs (0.3 and 1.0 mg/kg) and oral single dose or multidose to humans (20, 30, and 40 mg). Simulations showed that vonoprazan concentrations in stomach were 1000-fold higher than those in the plasma at 24 h following administration to human. Vonoprazan pharmacokinetics and its antisecretory effects may be predicted from in vitro data using the PBPK-PD model of the stomach. These findings may highlight 24-h antisecretory effects of vonoprazan in humans following single-dose or the sustained inhibition throughout each 24-h dosing interval during multidose administration.
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31
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Fell JB, Fischer JP, Baer BR, Blake JF, Bouhana K, Briere DM, Brown KD, Burgess LE, Burns AC, Burkard MR, Chiang H, Chicarelli MJ, Cook AW, Gaudino JJ, Hallin J, Hanson L, Hartley DP, Hicken EJ, Hingorani GP, Hinklin RJ, Mejia MJ, Olson P, Otten JN, Rhodes SP, Rodriguez ME, Savechenkov P, Smith DJ, Sudhakar N, Sullivan FX, Tang TP, Vigers GP, Wollenberg L, Christensen JG, Marx MA. Identification of the Clinical Development Candidate MRTX849, a Covalent KRASG12C Inhibitor for the Treatment of Cancer. J Med Chem 2020; 63:6679-6693. [DOI: 10.1021/acs.jmedchem.9b02052] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Jay B. Fell
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - John P. Fischer
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Brian R. Baer
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - James F. Blake
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Karyn Bouhana
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - David M. Briere
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Karin D. Brown
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Laurence E. Burgess
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Aaron C. Burns
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Michael R. Burkard
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Harrah Chiang
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Mark J. Chicarelli
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Adam W. Cook
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - John J. Gaudino
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Jill Hallin
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Lauren Hanson
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Dylan P. Hartley
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Erik J. Hicken
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Gary P. Hingorani
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Ronald J. Hinklin
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Macedonio J. Mejia
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Peter Olson
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Jennifer N. Otten
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Susan P. Rhodes
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Martha E. Rodriguez
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Pavel Savechenkov
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Darin J. Smith
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Niranjan Sudhakar
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Francis X. Sullivan
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Tony P. Tang
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Guy P. Vigers
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - Lance Wollenberg
- Array BioPharma Inc, 3200 Walnut Street, Boulder, Colorado 80301, United States
| | - James G. Christensen
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
| | - Matthew A. Marx
- Mirati Therapeutics, 9393 Towne Centre Drive, Suite 200, San Diego, California 92121, United States
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32
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Chen FY, Xiang L, Zhan G, Liu H, Kang B, Zhang SC, Peng C, Han B. Highly stereoselective organocatalytic synthesis of pyrrolidinyl spirooxindoles containing halogenated contiguous quaternary carbon stereocenters. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151806] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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33
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Moshafi MH, Ghasemshirazi S, Abiri A. The art of suicidal molecular seduction for targeting drug resistance. Med Hypotheses 2020; 140:109676. [PMID: 32203818 DOI: 10.1016/j.mehy.2020.109676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/29/2020] [Accepted: 03/14/2020] [Indexed: 12/11/2022]
Abstract
The development of drug resistance is one of the most significant challenges of the current century in the pharmaceutical industry. Superinfections, cancer chemoresistance, and resistance observed in many non-infectious diseases are nullifying the efforts and monetary supplies, put in the advent of new drug molecules. Millions of people die because of this drug resistance developed gradually through extensive use of the drugs. Inherently, some drugs are less prone to become ineffective by drug resistance than others. Covalent inhibitors bind to their targets via a biologically permanent bound with their cognate receptor and therefore display more potent inhibiting characteristics. Suicide inhibitors or mechanism-based inhibitors are one of the covalent inhibitors, which require a pre-activation step by their targeting enzyme. This step accrues their selectivity and specificity with respect to other covalent inhibitors. After that pre-activation step, they produce an analogue of the transition state of the catalytic enzyme, which is practically incapable of dissociating from the enzyme. Suicide inhibitors, due to their high intrinsic affinity toward the related enzyme, are resistant to many mechanisms involved in the development of drug resistance and can be regarded as one of the enemies of this scientific hurdle. These inhibitors compete even with monoclonal antibodies in terms of their cost-effectiveness and efficacy.
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Affiliation(s)
- Mohammad Hassan Moshafi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Saeid Ghasemshirazi
- Department of Computer Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ardavan Abiri
- Department of Medicinal Chemistry, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran.
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34
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Kettle JG, Bagal SK, Bickerton S, Bodnarchuk MS, Breed J, Carbajo RJ, Cassar DJ, Chakraborty A, Cosulich S, Cumming I, Davies M, Eatherton A, Evans L, Feron L, Fillery S, Gleave ES, Goldberg FW, Harlfinger S, Hanson L, Howard M, Howells R, Jackson A, Kemmitt P, Kingston JK, Lamont S, Lewis HJ, Li S, Liu L, Ogg D, Phillips C, Polanski R, Robb G, Robinson D, Ross S, Smith JM, Tonge M, Whiteley R, Yang J, Zhang L, Zhao X. Structure-Based Design and Pharmacokinetic Optimization of Covalent Allosteric Inhibitors of the Mutant GTPase KRASG12C. J Med Chem 2020; 63:4468-4483. [DOI: 10.1021/acs.jmedchem.9b01720] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | | | - Jason Breed
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | | | | | - Iain Cumming
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | - Laura Evans
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Lyman Feron
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Emma S. Gleave
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | | | | | | | | | - Anne Jackson
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Paul Kemmitt
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Scott Lamont
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Songlei Li
- Pharmaron Beijing Co., Ltd. 6 Taihe Road BDA, Beijing 100176 P. R. China
| | - Libin Liu
- Pharmaron Beijing Co., Ltd. 6 Taihe Road BDA, Beijing 100176 P. R. China
| | - Derek Ogg
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Radek Polanski
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | - Graeme Robb
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Sarah Ross
- Oncology R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Michael Tonge
- Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, U.K
| | | | - Junsheng Yang
- Pharmaron Beijing Co., Ltd. 6 Taihe Road BDA, Beijing 100176 P. R. China
| | - Longfei Zhang
- Pharmaron Beijing Co., Ltd. 6 Taihe Road BDA, Beijing 100176 P. R. China
| | - Xiliang Zhao
- Pharmaron Beijing Co., Ltd. 6 Taihe Road BDA, Beijing 100176 P. R. China
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35
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Bioanalysis of EGFRm inhibitor osimertinib, and its glutathione cycle- and desmethyl metabolites by liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2020; 177:112871. [PMID: 31539712 DOI: 10.1016/j.jpba.2019.112871] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/30/2019] [Accepted: 09/06/2019] [Indexed: 12/29/2022]
Abstract
Osimertinib is a "third-generation'' oral, irreversible, tyrosine kinase inhibitor. It is used in the treatment of non-small cellular lung carcinoma and spares wild-type EGFR. Due to its reactive nature, osimertinib is, in addition to oxidative routes, metabolized through GSH coupling and subsequent further metabolism of these conjugates. The extent of the non-oxidative metabolism of osimertinib is unknown, and methods to quantify this metabolic route have not been reported yet. To gain insight into this metabolic route, a sensitive bioanalytical assay was developed for osimertinib, the active desmethyl metabolite AZ5104, and the thio-metabolites osimertinibs glutathione, cysteinylglycine, and cysteine conjugates was developed. The ease of synthesis of these metabolites was a key-part in the development of this assay. This was done through simple one-step synthesis and subsequent LC-purification. The compounds were characterized by NMR and high-resolution mass spectrometry. Sample preparation was done by a simple protein crash with acetonitrile containing the stable isotopically labeled internal standards for osimertinib and the thio-metabolites, partial evaporation of solvents, and reconstitution in eluent, followed by UHPLC-MS/MS quantification. The assay was successfully validated in a 2-2000 nM calibration range for all compounds except the glutathione metabolite, where the LLOQ was set at 6 nM due to low accuracy at 2 nM. Limited stability was observed for osimertinib, AZ5104, and the glutathione metabolite. The clinical applicability of the assay was demonstrated in samples of patients treated with 80 mg osimertinib once daily, containing all investigated compounds at detectable and quantifiable levels.
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36
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Attwa MW, Kadi AA, Abdelhameed AS. Detection and characterization of olmutinib reactive metabolites by LC-MS/MS: Elucidation of bioactivation pathways. J Sep Sci 2019; 43:708-718. [PMID: 31788977 DOI: 10.1002/jssc.201900818] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/11/2019] [Accepted: 11/12/2019] [Indexed: 02/04/2023]
Abstract
Olmutinib (Olita™) is an orally bioavailable third generation epidermal growth factor receptor tyrosine kinase inhibitor. Olmutinib was approved in South Korea in May 2016 for the treatment of patients suffering from locally advanced or metastatic epidermal growth factor receptor T790M mutation-positive non-small cell lung cancer. Reactive olmutinib intermediates may be responsible for the severe side effects associated with the treatment. However, literature review revealed no previous reports on the structural identification of reactive olmutinib metabolites. In this work, the formation of reactive olmutinib metabolites in rat liver microsomes was investigated. Methoxylamine, glutathione, and potassium cyanide were used as capturing agents for aldehyde, iminoquinones, and iminium intermediates, respectively. The stable complexes formed were identified using liquid chromatography-tandem mass spectrometry. The major phase I metabolic pathway observed in vitro was hydroxylation of the piperazine ring. Seven potential reactive intermediates were characterized, including three iminium ions, three iminoquinones, and one aldehyde. Based on the findings, various bioactivation pathways were postulated. Hence, identifying the reactive intermediates of olmutinib that may be the cause of severe side effects can provide new insights, leading to improved treatments for patients.
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Affiliation(s)
- Mohamed W Attwa
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Students' University Hospital, Mansoura University, Mansoura, Egypt
| | - Adnan A Kadi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ali S Abdelhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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37
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Sun S, Cheng D, Kong S, Li X, Li T, Yu Q, Wang L. A rapid and sensitive method for quantification of ibrutinib in rat plasma by UPLC-ESI-MS/MS: validation and application to pharmacokinetic studies of a novel ibrutinib nanocrystalline. Biomed Chromatogr 2019; 34:e4703. [PMID: 31629393 DOI: 10.1002/bmc.4703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 08/23/2019] [Accepted: 09/13/2019] [Indexed: 12/11/2022]
Abstract
Ibrutinib has an excellent effect in the treatment of mantle cell lymphoma so it has attracted much attention. A novel ibrutinib nanocrystalline was exploited in our study to improve the bioavailability. A fast and reliable UPLC-MS/MS method was established for the accurate quantification of ibrutinib in rat plasma. The chromatographic separation was achieved by an Agilent zorbax SB-C18 rapid solution HD column (2.1 × 50 mm, 1.8 μm). The mobile phase consisted of deionized water (containing 10 mm ammonium acetate and 0.1% formic acid) and pure acetonitrile. Isocratic elution (water-acetonitrile 10:90, v/v) was adopted and the flow rate was 0.4 mL/min. Column temperature was set to 40°C. Vilazodone was used as the internal standard in this analytical method. Multiple reaction monitoring mode with positive electrospray ionization was selected to detect ibrutinib and vilazodone. Acetonitrile was used to precipitate protein to extract plasma samples. There was no endogenous interference for both ibrutinib and vilazodone and the linear range of this method was 1-2000 ng/mL. The recoveries were 98.4, 97.4 and 102.7% at low, medium and high concentrations. Accordingly, the matrix effect was 96.6, 111.1 and 99.6%. The pharmacokinetic difference between ibrutinib crude and a novel ibrutinib nanocrystalline in rats was investigated by this validated method successfully. The peak concentration and area under the concentration-time curve showed significant differences in gender and the bioavailability was improved after oral administration of ibrutinib nanocrystalline.
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Affiliation(s)
- Shuangshuang Sun
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Dongfang Cheng
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Shumeng Kong
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Xiangping Li
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Tongfang Li
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Qinglong Yu
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
| | - Lin Wang
- Yantai Key Laboratory of Nanomedicine and Advanced Preparations, Yantai Institute of Materia Medica, Yantai, China
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Li XQ, Grönberg G, Bangur EH, Hayes MA, Castagnoli N, Weidolf L. Metabolism of Strained Rings: Glutathione S-transferase-Catalyzed Formation of a Glutathione-Conjugated Spiro-azetidine without Prior Bioactivation. Drug Metab Dispos 2019; 47:1247-1256. [PMID: 31492694 DOI: 10.1124/dmd.119.088658] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/28/2019] [Indexed: 11/22/2022] Open
Abstract
AZD1979 [(3-(4-(2-oxa-6-azaspiro[3.3]heptan-6-ylmethyl)phenoxy)azetidin-1-yl)(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)methanone] is a melanin-concentrating hormone receptor 1 antagonist designed for the treatment of obesity. In this study, metabolite profiles of AZD1979 in human hepatocytes revealed a series of glutathione-related metabolites, including the glutathionyl, cysteinyl, cysteinylglycinyl, and mercapturic acid conjugates. The formation of these metabolites was not inhibited by coincubation with the cytochrome P450 (P450) inhibitor 1-aminobenzotriazole. In efforts to identify the mechanistic features of this pathway, investigations were performed to characterize the structure of the glutathionyl conjugate M12 of AZD1979 and to identify the enzyme system catalyzing its formation. Studies with various human liver subcellular fractions established that the formation of M12 was NAD(P)H-independent and proceeded in cytosol and S9 fractions but not in microsomal or mitochondrial fractions. The formation of M12 was inhibited by ethacrynic acid, an inhibitor of glutathione S-transferases (GSTs). Several human recombinant GSTs, including GSTA1, A2-2, M1a, M2-2, T1-1, and GST from human placenta, were incubated with AZD1979. All GSTs tested catalyzed the formation of M12, with GSTA2-2 being the most efficient. Metabolite M12 was purified from rat liver S9 incubations and its structure elucidated by NMR. These results establish that M12 is the product of the GST-catalyzed glutathione attack on the carbon atom α to the nitrogen atom of the strained spiro-azetidinyl moiety to give, after ring opening, the corresponding amino-thioether conjugate product, a direct conjugation pathway that occurs without the prior substrate bioactivation by P450. SIGNIFICANCE STATEMENT: The investigated compound, AZD1979, contains a 6-substituted-2-oxa-6-azaspiro[3.3]heptanyl derivative that is an example of strained heterocycles, including spiro-fused ring systems, that are widely used in synthetic organic chemistry. An unusual azetidinyl ring-opening reaction involving a nucleophilic attack by glutathione, which does not involve prior cytochrome P450-catalyzed bioactivation of the substrate and which is catalyzed by glutathione transferases, is reported. We propose a mechanism involving the protonated cyclic aminyl intermediate that undergoes nucleophilic attack by glutathione thiolate anion in this reaction, catalyzed by glutathione transferases.
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Affiliation(s)
- Xue-Qing Li
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
| | - Gunnar Grönberg
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
| | - Eva-Henriette Bangur
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
| | - Martin A Hayes
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
| | - Neal Castagnoli
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
| | - Lars Weidolf
- Drug Metabolism and Pharmacokinetics, Research and Early Development Cardiovascular, Renal and Metabolism (X.-Q.L., E.-H.B., L.W.), Hit Discovery, Discovery Sciences (M.A.H.), and Medicinal Chemistry, Early Respiratory, Inflammation and Autoimmunity (G.G.), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden; and Department of Chemistry, Virginia Tech, Blacksburg, Virginia (N.C.J.)
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Colombo F, Smith S, Lai GW, Nix D, Smith PG, Schindler J, Rioux N. Correlation of the in vitro biotransformation of H3B-6527 in dog and human hepatocytes with the in vivo metabolic profile of 14C-H3B-6527 in a dog mass balance study. Xenobiotica 2019; 50:458-467. [PMID: 31305210 DOI: 10.1080/00498254.2019.1643941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
1. H3B-6527 is an orally available covalent small molecule inhibitor of FGFR4 undergoing evaluation in adults with hepatocellular carcinoma. Absorption, metabolism, transport and elimination of H3B-6527 were investigated in vitro and in a 14C-H3B-6527 beagle dog mass balance study.2. Following intravenous dosing in dogs, unchanged 14C-H3B-6527 represents only 1.6% of the total dose in excreta. The low amount of radioactivity in the dog urine (4.9% of the administered dose), suggests that renal elimination is a minor pathway of clearance for H3B-6527. A majority of the radioactivity was observed in the feces up to 5 days after dose administration, suggesting that drug-related material was secreted in the bile, and that H3B-6527 clearance was mostly driven by metabolism.3. In vitro, H3B-6527 is a substrate of GSTs, CYP3A and P-glycoprotein.4. The major pathways of metabolism were similar in human and dog hepatocytes, and occurred via glutathione (GSH) conjugations and sequential hydrolysis, N-deethylation and hydroxylation.5. The metabolic profile of H3B-6527 was qualitatively similar in dog hepatocytes and plasma/excreta.
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Affiliation(s)
| | - S Smith
- H3 Biomedicine, Cambridge, MA, USA.,Relay Therapeutics, Cambridge, MA, USA
| | | | - D Nix
- IDD, Certara Strategic Consulting, Princeton, NJ, USA
| | | | | | - N Rioux
- IDD, Certara Strategic Consulting, Princeton, NJ, USA
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40
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Management of targeted therapies in cancer patients with chronic kidney disease, or on haemodialysis: An Associazione Italiana di Oncologia Medica (AIOM)/Societa’ Italiana di Nefrologia (SIN) multidisciplinary consensus position paper. Crit Rev Oncol Hematol 2019; 140:39-51. [DOI: 10.1016/j.critrevonc.2019.05.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 01/06/2023] Open
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Cianni L, Feldmann CW, Gilberg E, Gütschow M, Juliano L, Leitão A, Bajorath J, Montanari CA. Can Cysteine Protease Cross-Class Inhibitors Achieve Selectivity? J Med Chem 2019; 62:10497-10525. [DOI: 10.1021/acs.jmedchem.9b00683] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Lorenzo Cianni
- Medicinal Chemistry Group, Institute of Chemistry of São Carlos, University of São Paulo, Avenue Trabalhador Sancarlense, 400, 23566-590 São Carlos, SP, Brazil
- Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
| | - Christian Wolfgang Feldmann
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
| | - Erik Gilberg
- Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
| | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Luiz Juliano
- A. C. Camargo Cancer Center and São Paulo Medical School of Federal University of São Paulo, Rua Professor Antônio Prudente, 211, 01509-010 São Paulo, SP, Brazil
| | - Andrei Leitão
- Medicinal Chemistry Group, Institute of Chemistry of São Carlos, University of São Paulo, Avenue Trabalhador Sancarlense, 400, 23566-590 São Carlos, SP, Brazil
| | - Jürgen Bajorath
- Department of Life Science Informatics, B-IT, LIMES Program Unit Chemical Biology and Medicinal Chemistry, Rheinische Friedrich-Wilhelms-Universität, Endenicher Allee 19c, D-53115 Bonn, Germany
| | - Carlos A. Montanari
- Medicinal Chemistry Group, Institute of Chemistry of São Carlos, University of São Paulo, Avenue Trabalhador Sancarlense, 400, 23566-590 São Carlos, SP, Brazil
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Mons E, Jansen IDC, Loboda J, van Doodewaerd BR, Hermans J, Verdoes M, van Boeckel CAA, van Veelen PA, Turk B, Turk D, Ovaa H. The Alkyne Moiety as a Latent Electrophile in Irreversible Covalent Small Molecule Inhibitors of Cathepsin K. J Am Chem Soc 2019; 141:3507-3514. [PMID: 30689386 PMCID: PMC6396318 DOI: 10.1021/jacs.8b11027] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Indexed: 12/21/2022]
Abstract
Irreversible covalent inhibitors can have a beneficial pharmacokinetic/pharmacodynamics profile but are still often avoided due to the risk of indiscriminate covalent reactivity and the resulting adverse effects. To overcome this potential liability, we introduced an alkyne moiety as a latent electrophile into small molecule inhibitors of cathepsin K (CatK). Alkyne-based inhibitors do not show indiscriminate thiol reactivity but potently inhibit CatK protease activity by formation of an irreversible covalent bond with the catalytic cysteine residue, confirmed by crystal structure analysis. The rate of covalent bond formation ( kinact) does not correlate with electrophilicity of the alkyne moiety, indicative of a proximity-driven reactivity. Inhibition of CatK-mediated bone resorption is validated in human osteoclasts. Together, this work illustrates the potential of alkynes as latent electrophiles in small molecule inhibitors, enabling the development of irreversible covalent inhibitors with an improved safety profile.
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Affiliation(s)
- Elma Mons
- Department
of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
- Division
of Cell Biology, Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
| | - Ineke D. C. Jansen
- Department
of Periodontology, Academic Center For Dentistry
Amsterdam (ACTA), 1081 LA Amsterdam, The Netherlands
| | - Jure Loboda
- Department
of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana 1000, Slovenia
- Jožef
Stefan International Postgraduate School, Ljubljana 1000, Slovenia
| | - Bjorn R. van Doodewaerd
- Department
of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Jill Hermans
- Department
of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Martijn Verdoes
- Department
of Tumor Immunology, Institute for Molecular
Life Sciences Radboud UMC, 6525 GA Nijmegen, The Netherlands
| | | | - Peter A. van Veelen
- Centre for
Proteomics and Metabolomics, Leiden University
Medical Center, 2333 ZA Leiden, The Netherlands
| | - Boris Turk
- Department
of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana 1000, Slovenia
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Ljubljana 1000, Slovenia
| | - Dusan Turk
- Department
of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, Ljubljana 1000, Slovenia
- Centre
of Excellence for Integrated Approaches in Chemistry and Biology of
Proteins, Ljubljana 1000, Slovenia
| | - Huib Ovaa
- Department
of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
- Division
of Cell Biology, Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
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Gehringer M, Laufer SA. Emerging and Re-Emerging Warheads for Targeted Covalent Inhibitors: Applications in Medicinal Chemistry and Chemical Biology. J Med Chem 2019; 62:5673-5724. [PMID: 30565923 DOI: 10.1021/acs.jmedchem.8b01153] [Citation(s) in RCA: 397] [Impact Index Per Article: 79.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Targeted covalent inhibitors (TCIs) are designed to bind poorly conserved amino acids by means of reactive groups, the so-called warheads. Currently, targeting noncatalytic cysteine residues with acrylamides and other α,β-unsaturated carbonyl compounds is the predominant strategy in TCI development. The recent ascent of covalent drugs has stimulated considerable efforts to characterize alternative warheads for the covalent-reversible and irreversible engagement of noncatalytic cysteine residues as well as other amino acids. This Perspective article provides an overview of warheads-beyond α,β-unsaturated amides-recently used in the design of targeted covalent ligands. Promising reactive groups that have not yet demonstrated their utility in TCI development are also highlighted. Special emphasis is placed on the discussion of reactivity and of case studies illustrating applications in medicinal chemistry and chemical biology.
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Affiliation(s)
- Matthias Gehringer
- Department of Pharmaceutical/Medicinal Chemistry , Eberhard Karls University Tübingen , Auf der Morgenstelle 8 , 72076 Tübingen , Germany
| | - Stefan A Laufer
- Department of Pharmaceutical/Medicinal Chemistry , Eberhard Karls University Tübingen , Auf der Morgenstelle 8 , 72076 Tübingen , Germany
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44
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Wu KD, Chen GS, Liu JR, Hsieh CE, Chern JW. Acrylamide Functional Group Incorporation Improves Drug-like Properties: An Example with EGFR Inhibitors. ACS Med Chem Lett 2019; 10:22-26. [PMID: 30655941 DOI: 10.1021/acsmedchemlett.8b00270] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 12/06/2018] [Indexed: 01/01/2023] Open
Abstract
We demonstrate that the acrylamide group can be used to improve the drug-like properties of potential drug candidates. In the EGFR inhibitor development, both the solubility and membrane permeability properties of compounds 6a and 7, each containing an acrylamide group, were substantially better than those of gefitinib (1) and AZD3759 (2), respectively. We demonstrated that incorporation of an acrylamide moiety could serve as a good strategy for improving drug-like properties.
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Affiliation(s)
- Kuen-Da Wu
- School of Pharmacy and Center for Innovative Therapeutics Discovery, National Taiwan University, Taipei 10055, Taiwan
| | - Grace Shiahuy Chen
- Department of Applied Chemistry, Providence University, Taichung 43301, Taiwan
| | - Jia-Rong Liu
- School of Pharmacy and Center for Innovative Therapeutics Discovery, National Taiwan University, Taipei 10055, Taiwan
| | - Chen-En Hsieh
- Department of Applied Chemistry, Providence University, Taichung 43301, Taiwan
| | - Ji-Wang Chern
- School of Pharmacy and Center for Innovative Therapeutics Discovery, National Taiwan University, Taipei 10055, Taiwan
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45
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Podoll T, Pearson PG, Evarts J, Ingallinera T, Bibikova E, Sun H, Gohdes M, Cardinal K, Sanghvi M, Slatter JG. Bioavailability, Biotransformation, and Excretion of the Covalent Bruton Tyrosine Kinase Inhibitor Acalabrutinib in Rats, Dogs, and Humans. Drug Metab Dispos 2018; 47:145-154. [PMID: 30442651 DOI: 10.1124/dmd.118.084459] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/07/2018] [Indexed: 12/27/2022] Open
Abstract
Acalabrutinib is a targeted, covalent inhibitor of Bruton tyrosine kinase (BTK) with a unique 2-butynamide warhead that has relatively lower reactivity than other marketed acrylamide covalent inhibitors. A human [14C] microtracer bioavailability study in healthy subjects revealed moderate intravenous clearance (39.4 l/h) and an absolute bioavailability of 25.3% ± 14.3% (n = 8). Absorption and elimination of acalabrutinib after a 100 mg [14C] microtracer acalabrutinib oral dose was rapid, with the maximum concentration reached in <1 hour and elimination half-life values of <2 hours. Low concentrations of radioactivity persisted longer in the blood cell fraction and a peripheral blood mononuclear cell subfraction (enriched in target BTK) relative to plasma. [14C]Acalabrutinib was metabolized to more than three dozen metabolites detectable by liquid chromatography-tandem mass spectrometry, with primary metabolism by CYP3A-mediated oxidation of the pyrrolidine ring, thiol conjugation of the butynamide warhead, and amide hydrolysis. A major active, circulating, pyrrolidine ring-opened metabolite, ACP-5862 (4-[8-amino-3-[4-(but-2-ynoylamino)butanoyl]imidazo[1,5-a]pyrazin-1-yl]-N-(2-pyridyl)benzamide), was produced by CYP3A oxidation.Novel enol thioethers from the 2-butynamide warhead arose from glutathione and/or cysteine Michael additions and were subject to hydrolysis to a β-ketoamide. Total radioactivity recovery was 95.7% ± 4.6% (n = 6), with 12.0% of dose in urine and 83.5% in feces. Excretion and metabolism characteristics were generally similar in rats and dogs. Acalabrutinib's highly selective, covalent mechanism of action, coupled with rapid absorption and elimination, enables high and sustained BTK target occupancy after twice-daily administration.
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Affiliation(s)
- Terry Podoll
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Paul G Pearson
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Jerry Evarts
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Tim Ingallinera
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Elena Bibikova
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Hao Sun
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Mark Gohdes
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Kristen Cardinal
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - Mitesh Sanghvi
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
| | - J Greg Slatter
- Acerta Pharma, South San Francisco, California (T.P., J.E., T.I., E.B., J.G.S.); Pearson Pharma Partners, Westlake Village, California (P.G.P.); Covance, Madison, Wisconsin (H.S., M.G., K.C.); and Xceleron, Germantown, Maryland (M.S.)
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Rioux N, Smith S, Korpal M, O’Shea M, Prajapati S, Zheng GZ, Warmuth M, Smith PG. Nonclinical pharmacokinetics and in vitro metabolism of H3B-6545, a novel selective ERα covalent antagonist (SERCA). Cancer Chemother Pharmacol 2018; 83:151-160. [DOI: 10.1007/s00280-018-3716-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 10/25/2018] [Indexed: 10/28/2022]
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47
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Anti-inflammatory nitro-fatty acids suppress tumor growth by triggering mitochondrial dysfunction and activation of the intrinsic apoptotic pathway in colorectal cancer cells. Biochem Pharmacol 2018; 155:48-60. [DOI: 10.1016/j.bcp.2018.06.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 06/13/2018] [Indexed: 02/08/2023]
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48
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Abstract
Covalent inhibition is a rapidly growing discipline within drug discovery. Many historical covalent inhibitors were discovered by serendipity, with such a mechanism of action often regarded as undesirable due to potential toxicity issues. Recent progress has seen a major shift in this outlook, as covalent inhibition shows promise for targets where previous efforts to identify non-covalent small molecule inhibitors have failed. Targeted covalent inhibitors (TCIs) can offer drug discovery scientists the ability to increase the potency and/or selectivity of small molecule inhibitors, by attachment of reactive functional groups designed to covalently bind to specific sites in a target. In this tutorial review we introduce the broader concept of covalent inhibition, discuss the potential benefits and challenges of such an approach, and provide an overview of the current status of the field. We also describe some strategies and computational tools to enable successful covalent drug discovery.
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Affiliation(s)
- Richard Lonsdale
- Chemistry, Oncology, IMED Biotech Unit, AstraZeneca, Cambridge, CB4 0WG, UK.
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Aljakouch K, Lechtonen T, Yosef HK, Hammoud MK, Alsaidi W, Kötting C, Mügge C, Kourist R, El‐Mashtoly SF, Gerwert K. Raman Microspectroscopic Evidence for the Metabolism of a Tyrosine Kinase Inhibitor, Neratinib, in Cancer Cells. Angew Chem Int Ed Engl 2018; 57:7250-7254. [PMID: 29645336 PMCID: PMC6033014 DOI: 10.1002/anie.201803394] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Indexed: 12/23/2022]
Abstract
Tyrosine kinase receptors are one of the main targets in cancer therapy. They play an essential role in the modulation of growth factor signaling and thereby inducing cell proliferation and growth. Tyrosine kinase inhibitors such as neratinib bind to EGFR and HER2 receptors and exhibit antitumor activity. However, little is known about their detailed cellular uptake and metabolism. Here, we report for the first time the intracellular spatial distribution and metabolism of neratinib in different cancer cells using label-free Raman imaging. Two new neratinib metabolites were detected and fluorescence imaging of the same cells indicate that neratinib accumulates in lysosomes. The results also suggest that both EGFR and HER2 follow the classical endosome lysosomal pathway for degradation. A combination of Raman microscopy, DFT calculations, and LC-MS was used to identify the chemical structure of neratinib metabolites. These results show the potential of Raman microscopy to study drug pharmacokinetics.
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Affiliation(s)
| | | | | | | | | | | | - Carolin Mügge
- Junior Research Group for Microbial BiotechnologyRuhr-University BochumGermany
| | - Robert Kourist
- Institute of Molecular BiotechnologyGraz University of TechnologyAustria
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Vishwanathan K, Dickinson PA, So K, Thomas K, Chen Y, De Castro Carpeño J, Dingemans AC, Kim HR, Kim J, Krebs MG, Chih‐Hsin Yang J, Bui K, Weilert D, Harvey RD. The effect of itraconazole and rifampicin on the pharmacokinetics of osimertinib. Br J Clin Pharmacol 2018; 84:1156-1169. [PMID: 29381826 PMCID: PMC5980546 DOI: 10.1111/bcp.13534] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 01/19/2018] [Accepted: 01/21/2018] [Indexed: 01/09/2023] Open
Abstract
AIMS We investigated the effects of a strong CYP3A4 inhibitor (itraconazole) or inducer (rifampicin) on the pharmacokinetics of the epidermal growth factor receptor-tyrosine kinase inhibitor osimertinib, in patients with advanced non-small cell lung cancer in two Phase I, open-label, two-part clinical studies. Part one of both studies is reported. METHODS In the itraconazole study (NCT02157883), patients received single-dose osimertinib 80 mg on Days 1 and 10 and itraconazole (200 mg twice daily) on Days 6-18 orally. In the rifampicin study (NCT02197247), patients received osimertinib 80 mg once daily on Days 1-77 and rifampicin 600 mg once daily on Days 29-49. RESULTS In the itraconazole study (n = 36), the geometric least squares mean (GMLSM) ratios (osimertinib plus itraconazole/osimertinib alone) for Cmax and AUC were 80% (90% CI 73, 87) and 124% (90% CI 115, 135), respectively, below the predefined no-effect upper limit of 200%. In the rifampicin study (n = 40), the GMLSM ratios (osimertinib plus rifampicin/osimertinib alone) for Css,max and AUCτ were 27% (90% CI 24, 30) and 22% (90% CI 20, 24), respectively, below the predefined no-effect lower limit of 50%. The induction effect of rifampicin was apparent within 7 days of initiation; osimertinib Css,max and AUCτ values returned to pre-rifampicin levels within 3 weeks of rifampicin discontinuation. No new osimertinib safety findings were observed. CONCLUSIONS Osimertinib can be co-administered with CYP3A4 inhibitors, but strong CYP3A inducers should be avoided if possible.
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Affiliation(s)
| | | | - Karen So
- Global Medicines Development / Global Clinical DevelopmentAstraZenecaCambridgeUK
| | - Karen Thomas
- Biostatistics and InformaticsAstraZenecaMacclesfieldUK
| | - Yuh‐Min Chen
- Department of Chest Medicine, Taipei Veterans General Hospital, and School of MedicineNational Yang‐Ming Medical UniversityTaipeiTaiwan
| | | | | | - Hye Ryun Kim
- Yonsei Cancer Center, Division of Medical Oncology, Severance HospitalYonsei University College of MedicineSeoulRepublic of Korea
| | - Joo‐Hang Kim
- CHA Bungdang Medical CenterCHA UniversityGyeonggi‐doRepublic of Korea
| | - Matthew G. Krebs
- The Christie NHS Foundation Trust, Manchester UK and Division of Molecular and Clinical Cancer Sciences, Faculty of Biology, Medicine and HealthUniversity of Manchester, Manchester Academic Health Science CentreManchesterUK
| | | | - Khanh Bui
- Quantitative Clinical PharmacologyAstraZenecaWalthamMAUSA
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