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Huang C, Ma X, Wang M, Cao H. Drugs in the GIST Field (Therapeutic Targets and Clinical Trial Staging). Curr Drug Deliv 2024; 21:80-90. [PMID: 36415101 PMCID: PMC10661963 DOI: 10.2174/1567201820666221122120657] [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: 06/15/2022] [Revised: 10/15/2022] [Accepted: 10/20/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Molecular targeted therapies are the most important type of medical treatment for GIST, but the development of GIST drugs and their targets have not been summarized. METHODS Drugs in the field of GIST were analyzed and collated through Pharmaprojects, ClinicalTrials. gov and PharmaGO databases. RESULTS As of 2021, there are 75 drugs that have appeared in the GIST clinical trials. The six most frequent targets in GIST clinical trials, in descending order of frequency, were KIT, PDGFRA, KDR (VEGFR2), FLT3, FLT1 (VEGFR1), and FLT4/VEGFR3. Only 8 drugs are in preclinical research. There are challenges in the development of new drugs for GIST. CONCLUSION This article analyzes and summarizes the general situation of GIST drugs, the target distribution of GIST drugs, and the trends in GIST drug-related clinical trials.
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Affiliation(s)
- Chen Huang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xinli Ma
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ming Wang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hui Cao
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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2
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Chapdelaine AG, Sun G. Challenges and Opportunities in Developing Targeted Therapies for Triple Negative Breast Cancer. Biomolecules 2023; 13:1207. [PMID: 37627272 PMCID: PMC10452226 DOI: 10.3390/biom13081207] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Triple negative breast cancer (TNBC) is a heterogeneous group of breast cancers characterized by their lack of estrogen receptors, progesterone receptors, and the HER2 receptor. They are more aggressive than other breast cancer subtypes, with a higher mean tumor size, higher tumor grade, the worst five-year overall survival, and the highest rates of recurrence and metastasis. Developing targeted therapies for TNBC has been a major challenge due to its heterogeneity, and its treatment still largely relies on surgery, radiation therapy, and chemotherapy. In this review article, we review the efforts in developing targeted therapies for TNBC, discuss insights gained from these efforts, and highlight potential opportunities going forward. Accumulating evidence supports TNBCs as multi-driver cancers, in which multiple oncogenic drivers promote cell proliferation and survival. In such multi-driver cancers, targeted therapies would require drug combinations that simultaneously block multiple oncogenic drivers. A strategy designed to generate mechanism-based combination targeted therapies for TNBC is discussed.
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Affiliation(s)
| | - Gongqin Sun
- Department of Cell and Molecular Biology, University of Rhode Island, Kingston, RI 02881, USA;
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Zhou L, Wang H, Liu H, Huang Z, Wang Z, Zhou X, Mu X. The synergistic therapeutic effect of imatinib and protein kinase CK2 Inhibition correlates with PI3K-AKT activation in gastrointestinal stromal tumors. Clin Res Hepatol Gastroenterol 2022; 46:101886. [PMID: 35183792 DOI: 10.1016/j.clinre.2022.101886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 12/28/2021] [Accepted: 02/01/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Casein kinase 2 (CK2) has been reported to be involved in several cellular processes in multiple cancers. However, the role of CK2 in GIST remains unclear. AIM We aimed to investigate the combinatorial treatment of imatinib (IM) and CK2 inhibition on the progression of GISTs. METHODS GIST biopsies and adjacent normal tissues were collected from patients. GIST882 and GIST48 cell lines were subjected to investigate the effect of IM and CK2 inhibition in GIST cells. CCK-8 assay, Caspase-3 activity assay, western blotting, and flow cytometry analysis were employed in the present investigation. RESULTS Our results showed that CK2 was highly expressed in GIST biopsies, and inhibition of CK2 resulted in decrease in cell viability and increase in apoptosis of GIST cells. Moreover, the combination treatment with CX-4945 (CX) and IM resulted in a more significant decrease in cell viability and increase in cell apoptosis compared with mono-treatment. Mechanistically, the combination treatment influenced the activation of the PI3K/AKT pathway. The activation of the PI3K/AKT pathway reversed the synergistic impacts of the combined treatment on cell viability and apoptosis. CONCLUSION Our results demonstrated that inhibition of CK2 combined with IM exhibited a synergistic anti-cancer effect on GIST cells through inactivation of the PI3K/AKT pathway.
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Affiliation(s)
- Linsen Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Suzhou, Jiangsu 215006, China; Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Hao Wang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Haofeng Liu
- Department of General Surgery, Tumor Hospital Affiliated to Nantong University and Nantong Tumor Hospital, Nantong, Jiangsu 226361, China
| | - Zhijun Huang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Zhiqiang Wang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Xiaojun Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Suzhou, Jiangsu 215006, China.
| | - Xiangming Mu
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China.
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Molecular-Genetic Basis of Gastrointestinal Stromal Tumor Personalized Therapy by Receptor Tyrosine Kinase Inhibitors (A Review). Pharm Chem J 2021. [DOI: 10.1007/s11094-021-02419-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lu X, Pang Y, Cao H, Liu X, Tu L, Shen Y, Jia X, Lee JC, Wang Y. Integrated Screens Identify CDK1 as a Therapeutic Target in Advanced Gastrointestinal Stromal Tumors. Cancer Res 2021; 81:2481-2494. [PMID: 33727226 DOI: 10.1158/0008-5472.can-20-3580] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 02/03/2021] [Accepted: 03/09/2021] [Indexed: 11/16/2022]
Abstract
Oncogenic KIT or PDGFRA receptor tyrosine kinase mutations are compelling therapeutic targets in gastrointestinal stromal tumor (GIST), and treatment with the KIT/PDGFRA inhibitor imatinib is the standard of care for patients with advanced GIST. Polyclonal emergence of KIT/PDGFRA secondary mutations is the main mechanism of imatinib progression, making it challenging to overcome KIT/PDGFRA-inhibitor resistance. It is unclear whether there are other therapeutic targets in advanced GIST. Using genome-wide transcriptomic profiling of advanced versus early-stage GIST and CRISPR knockout functional screens, we demonstrate that CDK1 is frequently highly expressed in advanced GIST but not in early-stage GIST across three patient cohorts. High expression of CDK1 was associated with malignancy in GIST. CDK1 was critically required for advanced GIST, including imatinib-resistant GIST. CDK1 ablation led to robust proliferation inhibition. A mass spectrometry-based proteomics screen further revealed that AKT is a novel substrate of CDK1 kinase in GIST. CDK1 bound AKT and regulated its phosphorylation, thereby promoting GIST proliferation and progression. Importantly, a pharmacologic inhibitor of CDK1, RO-3306, disrupted GIST cell proliferation in CDK1 highly expressed GIST but not in CDK1-negative GIST cells and nontransformed fibroblast cells. Treatment with RO-3306 reduced tumor growth in both imatinib-resistant and imatinib-sensitive GIST xenograft mouse models. Our findings suggest that CDK1 represents a druggable therapeutic target in GIST and warrants further testing in clinical trials. SIGNIFICANCE: These findings propose CDK1 as a novel cell-cycle-independent vulnerability in gastrointestinal stromal tumors, representing a new therapeutic opportunity for patients with advanced disease.
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Affiliation(s)
- Xiaojing Lu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yuzhi Pang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Hui Cao
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoxiao Liu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Lin Tu
- Department of Gastrointestinal Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yanying Shen
- Department of Pathology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaona Jia
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jen-Chieh Lee
- Department and Graduate Institute of Pathology, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yuexiang Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, SINH - Changzheng Hospital Joint Center for Translational Medicine, Institutes for Translational Medicine (CAS-SMMU), Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
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6
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Lou L, Zhang W, Li J, Wang Y. Abnormal MGMT Promoter Methylation in Gastrointestinal Stromal Tumors: Genetic Susceptibility and Association with Clinical Outcome. Cancer Manag Res 2020; 12:9941-9952. [PMID: 33116851 PMCID: PMC7568426 DOI: 10.2147/cmar.s269388] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 09/25/2020] [Indexed: 01/22/2023] Open
Abstract
Purpose KIT/PDGFRA wild-type (WT) gastrointestinal stromal tumors (GISTs) represent a heterogeneous subgroup of GISTs that lack KIT or PDGFRA mutations and possess distinct genetic alterations and primary resistance to imatinib. Succinate dehydrogenase (SDH)-deficient GISTs comprise the largest subpopulation of WT GISTs that are characterized by loss-of-function of SDH. O6-methylguanine-DNA methyltransferase (MGMT) is a specific DNA repair enzyme that has been identified as a predictor of positive treatment response to alkylating agents in a variety of cancers. The aim of this study was to evaluate the expression of MGMT and the prevalence of MGMT promoter methylation in GISTs and to determine the association between MGMT promoter methylation and clinicopathological characteristics and clinical outcomes. Patients and Methods A heterogeneous cohort of 137 primary GISTs that confirmed by immunohistochemistry and KIT/PDGFRA mutation analysis were retrospectively selected and analyzed for MGMT expression and MGMT promoter methylation using immunohistochemical staining and methylation-specific PCR (MSP). A concordance analysis between MGMT promoter methylation and clinicopathological characteristics and prognosis was also performed. Results A total of 44.5% (65/137) of GIST patients displayed loss of MGMT protein expression, and 10.9% (15/137) of these patients exhibited MGMT promoter methylation. However, no significant correlation was observed between the loss of MGMT protein expression and MGMT promoter methylation. WT GISTs possessing an epithelioid or mixed phenotype, particularly those that were SDH-deficient, displayed a markedly higher prevalence of MGMT promoter methylation compared to that in KIT/PDGFRA mutated GISTs. Moreover, MGMT promoter methylation was identified as a potential independent prognostic factor for OS and DFS in patients with GIST. Conclusion MGMT promoter methylation is particularly frequent in SDH-deficient GISTs and in WT GISTs possessing an epithelioid/mixed phenotype, and knowledge of this methylation status may offer a novel potential therapeutic option for WT GISTs.
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Affiliation(s)
- Liping Lou
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Wendi Zhang
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jun Li
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yu Wang
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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Pilla Reddy V, Anjum R, Grondine M, Smith A, Bhavsar D, Barry E, Guichard SM, Shao W, Kettle JG, Brown C, Banks E, Jones RDO. The Pharmacokinetic-Pharmacodynamic (PKPD) Relationships of AZD3229, a Novel and Selective Inhibitor of KIT, in a Range of Mouse Xenograft Models of GIST. Clin Cancer Res 2020; 26:3751-3759. [PMID: 32220888 DOI: 10.1158/1078-0432.ccr-19-2848] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 01/15/2020] [Accepted: 03/23/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE The emergence of secondary mutations is a cause of resistance to current KIT inhibitors used in the treatment of patients with gastrointestinal stromal tumors (GIST). AZD3229 is a selective inhibitor of wild-type KIT and a wide spectrum of primary and secondary mutations seen in patients with GIST. The objective of this analysis is to establish the pharmacokinetic-pharmacodynamic (PKPD) relationship of AZD3229 in a range of mouse GIST tumor models harboring primary and secondary KIT mutations, and to benchmark AZD3229 against other KIT inhibitors. EXPERIMENTAL DESIGN A PKPD model was developed for AZD3229 linking plasma concentrations to inhibition of phosphorylated KIT using data generated from several in vivo preclinical tumor models, and in vitro data generated in a panel of Ba/F3 cell lines. RESULTS AZD3229 drives inhibition of phosphorylated KIT in an exposure-dependent manner, and optimal efficacy is observed when >90% inhibition of KIT phosphorylation is sustained over the dosing interval. Integrating the predicted human pharmacokinetics into the mouse PKPD model predicts that an oral twice daily human dose greater than 34 mg is required to ensure adequate coverage across the mutations investigated. Benchmarking shows that compared with standard-of-care KIT inhibitors, AZD3229 has the potential to deliver the required target coverage across a wider spectrum of primary or secondary mutations. CONCLUSIONS We demonstrate that AZD3229 warrants clinical investigation as a new treatment for patients with GIST based on its ability to inhibit both ATP-binding and A-loop mutations of KIT at clinically relevant exposures.
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Affiliation(s)
| | - Rana Anjum
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Michael Grondine
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Aaron Smith
- Research and Early Development, Oncology R&D, AstraZeneca, United Kingdom
| | - Deepa Bhavsar
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Evan Barry
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Sylvie M Guichard
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Wenlin Shao
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Jason G Kettle
- Research and Early Development, Oncology R&D, AstraZeneca, United Kingdom
| | - Crystal Brown
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Erica Banks
- Research and Early Development, Oncology R&D, AstraZeneca, Boston, Massachusetts
| | - Rhys D O Jones
- Research and Early Development, Oncology R&D, AstraZeneca, United Kingdom.
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Liu P, Tan F, Liu H, Li B, Lei T, Zhao X. The Use of Molecular Subtypes for Precision Therapy of Recurrent and Metastatic Gastrointestinal Stromal Tumor. Onco Targets Ther 2020; 13:2433-2447. [PMID: 32273716 PMCID: PMC7102917 DOI: 10.2147/ott.s241331] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/10/2020] [Indexed: 12/19/2022] Open
Abstract
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumor in the digestive tract. Tyrosine kinase inhibitors (TKIs), represented by imatinib, sunitinib, and regorafenib, have become the main treatment for recurrent and metastatic GISTs. With the wide application of mutation analysis and the precision medicine, molecular characteristics have been determined that not only predict the prognosis of patients with recurrent and metastatic GISTs, but also are closely related to the efficacy of first-, second- and third-line TKIs for GISTs, as well as other TKIs. Despite the significant effects of TKIs, the emergence of primary and secondary resistance ultimately leads to treatment failure and tumor progression. Currently, due to the signal transmission of KIT/PDGFRA during onset and tumor progression, strategies to counteract drug resistance include the replacement of TKIs and the development of new drugs that are directed towards carcinogenic mutations. In addition, it is also the embodiment of precision medicine for GISTs to explore new carcinogenic mechanisms and develop new drugs relying on new biotechnology. Surgery can benefit specific patients but its major purpose is to diminish the resistant clones. However, the prognosis of recurrent and metastatic patients is still unsatisfactory. Therefore, it is worth paying attention to how to maximize the benefits for patients.
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Affiliation(s)
- Peng Liu
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Changsha, Hunan410008, People’s Republic of China
| | - Fengbo Tan
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Changsha, Hunan410008, People’s Republic of China
| | - Heli Liu
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Changsha, Hunan410008, People’s Republic of China
| | - Bin Li
- Department of Oncology, Xiangya Hospital, Central South University, Changsha410008, Hunan, People’s Republic of China
| | - Tianxiang Lei
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Changsha, Hunan410008, People’s Republic of China
| | - Xianhui Zhao
- Department of Gastrointestinal Surgery, Xiangya Hospital, Central South University, Changsha, Hunan410008, People’s Republic of China
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