Cited by 31Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchPharmacogenetics and Drug Metabolism

SH-1028, An Irreversible Third-Generation EGFR TKI, Overcomes T790M-Mediated Resistance in Non-Small Cell Lung Cancer

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Han, Luwei, Zhang, Xiaomeng, Wang, Zhiqiang, Zhang, Xian, Zhao, Liwen, Fu, Wei, Liang, Xiaobo, Zhang, Zhibo +1 more·2021·Frontiers in Pharmacology

Abstract

SH-1028 is an irreversible third-generation EGFR TKI. Both SH-1028 and osimertinib have a pyrimidine structure (a typical mutant-selective EGFR TKI structure). Compared with osimertinib, SH-1028 is modified on the indole ring, thus resulting in a more stable 6,7,8,9-tetrahydro-pyrrolo [1, 2-a] indol structure. In this study, we explored the anti-tumor effect of SH-1028 in vitro and in vivo , the inhibition of cell signal, such as EGFR and ERK phosphorylation, and verified the relationship between the pharmacokinetics and pharmacodynamic responses. Firstly, SH-1028 selectively inhibited EGFR sensitive and resistant mutations, with up to 198-fold more effective compared with wild-type EGFR cells. Then, in mouse xenograft models, oral administration of SH-1028 at a daily dose of 5 mg/kg significantly inhibited proliferation of tumor cells with EGFR sensitive mutation (exon 19 del) and resistant mutation (T790 M) for consecutive 14 days, with no TKI-induced weight loss. Moreover, SH-1028 exhibited good bioavailability, and was distributed extensively from the plasma to the tissues. The main metabolite of SH-1028, Imp3, was tested and showed no wild-type EGFR inhibition or off-target effects. In conclusion, SH-1028 is a new third-generation EGFR inhibitor that exhibits potent activity against EGFR sensitive and resistant (T790 M) mutations.

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  1. Cao M. Chen W. (2019). Epidemiology of Lung Cancer in China. Thorac. Cancer 10 (1), 3– 7. 10.1111/1759-7714.12916 30485694 PMC6312841 · DOI

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Authors
Han, L., Zhang, X., Wang, Z., Zhang, X., Zhao, L., Fu, W., Liang, X., Zhang, Z., & Wang, Y.
Affiliations
  • China Pharmaceutical University (CN)
  • Nanjing Sanhome Pharmaceutical Co., Ltd. (China) (CN)
Corresponding author
Wang, Yong
Venue
Frontiers in Pharmacology
Published
2021-04-27
Volume
12
Pages
665253-665253
ISSN
1663-9812 (ISSN-L)
OpenAlex
W3157045546
Cited by
31
References
39
Citations by year
2026: 6 · 2025: 7 · 2024: 5 · 2023: 7 · 2022: 5 · 2021: 1
FWCI
2.92
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Pharmacology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacogenetics and Drug Metabolism
Keywords
third-generation EGFR tyrosine kinase inhibitors, T790M mutation, EGFR resistance, non-small cell lung cancer, osimertinib, ERK1/2 phosphorylation, pharmacokinetics, pharmacodynamics, exon 19 deletion, tumor xenografts, bioavailability

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