Simotinib
目录号 : GC62385
Simotinib 是一种选择性、特异性、口服生物利用度高的 EGFR 酪氨酸激酶抑制剂，IC50 为 19.9 nM。抗肿瘤活性。
Cas No.:944258-89-3
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >99.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Simotinib is a selective, specific, and orally bioavailable EGFR tyrosine kinase inhibitor, with an IC50 of 19.9 nM. Antineoplastic activities[1].
Simotinib inhibits in a dose-dependent manner EGFR and the growth of human A431 tumor cells with high expression of EGFR, with no significant activity on other investigated kinases[1].
Simotinib has been shown to exert its antitumor activity by inhibiting EGFR phosphorylation in nude xenograft model[1].
[1]. Hu XS, et al. Safety, tolerability, and pharmacokinetics of simotinib, a novel specific EGFR tyrosine kinase inhibitor, in patients with advanced non-small cell lung cancer: results of a phase Ib trial. Cancer Manag Res. 2019;11:4449-4459. Published 2019 May 13.
| Cas No. | 944258-89-3 | SDF | |
| 分子式 | C25H26ClFN4O4 | 分子量 | 500.95 |
| 溶解度 | 储存条件 | Store at -20°C | |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.9962 mL | 9.981 mL | 19.9621 mL |
| 5 mM | 0.3992 mL | 1.9962 mL | 3.9924 mL |
| 10 mM | 0.1996 mL | 0.9981 mL | 1.9962 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Simotinib as a modulator of P-glycoprotein: substrate, inhibitor, or inducer?
Anticancer Drugs 2016 Apr;27(4):300-11.PMID:26766493DOI:10.1097/CAD.0000000000000332.
As a new antitumor drug, Simotinib hydrochloride is prescribed for prolonged periods, often to patients with comorbidities. Therefore, the risk for developing drug resistance and drug-drug interactions between Simotinib and other agents has to be taken into consideration. As P-glycoprotein (P-gp) is an efflux transporter, which plays a significant role in drug resistance and influences the pharmacological properties and toxicities of the drugs it interacts with, the interactions between Simotinib and P-gp were investigated. Cytotoxicity was measured using the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide assay. Intracellular drug concentrations were detected by high-performance liquid chromatography, fluorescence-activated cell sorting and using a fluorescence reader. P-gp ATPase activity was measured using the Pgp-Glo assay, and intracellular pH was assessed using the fluorescent probe 2',7'-bis(2-carboxyethyl)-5(6)-carboxyfluorescein acetoxymethyl. The expression and transcription of P-gp were detected by western blotting and the luciferase assay. Simotinib has no cross-resistance to P-gp substrates, and its efflux rate was independent of either the P-gp expression or the coadministered P-gp substrate. Simotinib reversed chemotherapeutic agent resistance in a short time by increasing the intracellular concentration of the chemotherapeutic agent and blocked rhodamine 123 efflux. Further studies demonstrated that Simotinib inhibited P-gp activity by modulating its ATPase activity and the intracellular pH. Although Simotinib induced P-gp expression after extended treatment, the induced expression of P-gp had little impact on drug resistance. Simotinib is not a substrate of P-gp. As a modulator, it functions mainly as an inhibitor of P-gp by modulating the intracellular pH and ATPase activity, although it also induces P-gp expression after extended treatment.
Safety, tolerability, and pharmacokinetics of Simotinib, a novel specific EGFR tyrosine kinase inhibitor, in patients with advanced non-small cell lung cancer: results of a phase Ib trial
Cancer Manag Res 2019 May 13;11:4449-4459.PMID:31191007DOI:10.2147/CMAR.S189626.
Purpose: The aim of this phase Ib study (clinicaltrials.gov: NCT01772732) was to assess safety, tolerability, and pharmacokinetics (PKs) of Simotinib (a novel EGFR tyrosine kinase inhibitor) in patients with advanced non-small cell lung cancer (NSCLC) and EGFR gene mutation. Patients and methods: 41 patients with EGFR gene mutations were enrolled and received Simotinib orally administered twice daily with dose escalating from 100 to 650 mg in 28 days cycle. Safety and tolerability were assessed through the study. Blood samples were collected for PK analysis on Days 1, 8, 9, 10, 15, 22 and 29. Tumor response was assessed at baseline, on Day 29 and every 8 weeks thereafter. Results: Simotinib was well tolerated, with no dose-limiting toxicities. Maximum tolerated dose (MTD) was not found. 95.1% of patients experienced at least one adverse event (AE), and most of them were mild or moderate. Rash (41.5%) and diarrhea (56.1%) were the most frequently reported AEs. Simotinib was rapidly absorbed and eliminated with average T max ranging from 1 to 4 hrs and T 1/2 ranging between 6.2 and 13.0 hrs after multiple-dose administration. No dose-response relationship between dose and exposure was observed after multiple-dose administration. 39.3% of the enrolled patients achieved a partial response and 46.3% had stable disease. Median progression-free survival and overall survival were 9.9 (CI% 4.7; 12.1) months and 14.6 (95%CI 12.3; 22.5) months, respectively. Conclusion: Simotinib was well tolerated, with manageable AEs at doses of up to 650 mg and MTD was not reached. Further studies to explore higher doses are ongoing.
LC-ESI-MS/MS determination of Simotinib, a novel epidermal growth factor receptor tyrosine kinase inhibitor: application to a pharmacokinetic study
J Chromatogr B Analyt Technol Biomed Life Sci 2014 Feb 1;947-948:168-72.PMID:24440798DOI:10.1016/j.jchromb.2013.12.021.
Simotinib is a novel epidermal growth factor receptor tyrosine kinase inhibitor. This study presented a sensitive and specific liquid chromatography-electrospray ionization-mass spectrometry method using erlotinib as internal standard for the determination of Simotinib in human plasma. The method involved a simple liquid-liquid extraction using diethyl ether. The analytes were separated with isocratic gradient elution on an Agilent TC-C18 column (4.6 × 150 mm, 5 μm). Mass spectrometric detector equipped with electrospray ionization source was carried out in the mode of multiple reaction monitoring (MRM). The monitored transitions were m/z 501.2→182.1 for Simotinib and m/z 394.4→278.1 for erlotinib. The calibration curve of Simotinib was established over the range of 2.058-3000 μg L(-1) (r(2)=0.9924). The intra- and inter-day precisions were all less than 10%, and all the biases were not more than 7%. This validated method was then successfully applied to a pharmacokinetic study involving twelve healthy Chinese volunteers. The mean Cmax and Tmax for Simotinib were 254.79±98.30 μg L(-1) and 1.71±0.48 h, respectively. Plasma concentrations declined with a t1/2 of 5.37±2.32 h. AUC0-t and AUC0→∞ values obtained were 1262.59±501.41 μg L(-1) h and 1329.95±517.42 μg L(-1) h, respectively.
Drug interaction studies reveal that Simotinib upregulates intestinal absorption by increasing the paracellular permeability of intestinal epithelial cells
Drug Metab Pharmacokinet 2014;29(4):317-24.PMID:24522198DOI:10.2133/dmpk.dmpk-13-rg-123.
Hypothesis: Simotinib hydrochloride (SIM6802), which is a new epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI), is often prescribed for cancer patients with comorbidities and has serious adverse effects on gastrointestinal physiology. The drug-drug interactions (DDIs) between Simotinib and other drugs in combination and the underlying mechanism of its gastrointestinal toxicity remain unclear. We hypothesized that the DDIs and the gastrointestinal toxicity of Simotinib were related to its effects on the permeability of the intestine. Methods: To determine the intestinal absorption capacity, pharmacokinetic studies and an in situ loop assay were used. The intestinal permeability was measured by a Caco-2 Transwell model. Real time PCR and Western blots were applied to detecting the expression changes of cell junction genes. Results: Our research demonstrated that Simotinib upregulated the absorption of cefaclor, valaciclovir and acyclovir. The increase of non-selective absorption was caused by the low expression of cell junction gene afadin-6 and the increase in paracellular permeability in intestinal epithelial cells after Simotinib treatment. Conclusion: These findings revealed that Simotinib upregulated intestinal absorption by increasing the paracellular permeability of intestinal epithelial cells. Our research provides theoretical bases for better formulation of EGFR-TKIs to alleviate adverse gastrointestinal effects and also provides guidance for clinical administration of Simotinib.
Development and validation of a UPLC-MS/MS assay for the quantification of Simotinib in human plasma
Anal Bioanal Chem 2014 Feb;406(6):1799-805.PMID:24408299DOI:10.1007/s00216-013-7570-1.
Simotinib is a novel oral small-molecule tyrosine kinase inhibitor that has demonstrated equal or superior antineoplastic activities to erlotinib in preclinical studies. In support of a clinical pharmacokinetic study, a sensitive and accurate liquid chromatography (LC) method with mass spectrometry detection using multiple reaction monitoring (MRM) in positive ion mode was developed and validated for the quantification of Simotinib in human plasma. The sample preparation procedure involved a simple protein precipitation with methanol. Erlotinib was used as the internal standard. The optimal chromatographic behavior was achieved on a Zorbax SB-C8 column (2.1 mm × 100 mm, 3.5 μm) using a mixture of 0.1% formic acid with 10 mM ammonium formate/methanol (20:80, v/v) as the mobile phase. The total LC analysis time per injection was 4 min with a flow rate of 0.2 mL/min. The recovery was greater than 90% and no significant matrix effect was observed. The assay was validated over the concentration range of 1-1,000 ng/mL. The intra- and interday precision and accuracy of the quality control samples at low, medium, and high concentration levels showed at most 9.4% relative standard deviation (RSD) and -7.4 to 7.4% relative errors (RE). Assay selectivity, freeze/thaw stability, storage stability, and dilution effects were also assessed. The method is now used to support clinical pharmacokinetic studies in patients with non-small cell lung cancer (NSCLC) after oral administration of Simotinib.