Brigatinib

Modify Date: 2024-01-08 18:02:41

Brigatinib Structure
Brigatinib structure
 Common Name Brigatinib
CAS Number 1197953-54-0 Molecular Weight 584.092
Density 1.3±0.1 g/cm3 Boiling Point 781.8±70.0 °C at 760 mmHg
Molecular Formula C29H39ClN7O2P Melting Point N/A
MSDS N/A Flash Point 426.6±35.7 °C

 Use of Brigatinib


Brigatinib is a highly potent and selective ALK inhibitor, with an IC50 of 0.6 nM.

 Names

Name Brigatinib
Synonym More Synonyms

 Brigatinib Biological Activity

Description Brigatinib is a highly potent and selective ALK inhibitor, with an IC50 of 0.6 nM.
Related Catalog
Target

IC50: 0.6 nM (ALK)[1]

In Vitro Brigatinib potently inhibits the in vitro kinase activity of ALK (IC50, 0.6 nM) and all five mutant variants tested, including G1202R (IC50, 0.6-6.6 nM). Brigatinib demonstrates a high degree of selectivity, only inhibiting 11 additional native or mutant kinases with IC50 <10 nM. These include ROS1, FLT3, and mutant variants of FLT3 (D835Y) and EGFR (L858R; IC50, 1.5-2.1 nM). Brigatinib exhibits more modest activity against EGFR with a T790M resistance mutation (L858R/T790M), native EGFR, IGF1R, and INSR (IC50, 29-160 nM) and does not inhibit MET (IC50 >1000 nM). In cellular assays, brigatinib inhibits ALK and ROS1 with IC50s of 14 and 18 nM, respectively. Brigatinib inhibits FLT3 and IGF-1R with about 11-fold lower potency (IC50, 148-158 nM) and inhibits mutant variants of FLT3 and EGFR with 15- to 35-fold lower potency (IC50, 211-489 nM). Brigatinib inhibits cell growth with GI50 values ranging from 503 to 2,387 nM in three ALK-negative ALCL and NSCLC cell lines[1]. Brigatinib inhibits ALK activity and abrogates proliferation of ALK addicted neuroblastoma cell lines, with IC50 of 75.27 ± 8.89 nM. Brigatinib inhibits both the ALK-I1171N and the ALK-G1269A mutant receptors at 10 and 4 nM levels, respectively[3].
In Vivo Brigatinib (10, 25, or 50 mg/kg once daily, p.o.) leads to a dose-dependent inhibition of tumor growth in ALK+ Karpas-299 (ALCL) and H2228 (NSCLC) xenograft mouse models. Brigatinib markedly enhances survival of mice bearing ALK+ brain tumors compared with crizotinib[1]. Brigatinib (10, 25, 50 mg/kg, p.o.) results in dose-dependent antitumor activity, with tumor regressions in a mouse model of NSCLC[2].
Kinase Assay In vitro HotSpotSM kinase profiling of 289 kinases is performed. The assay is conducted in the presence of 10 μM [33P]-ATP, using brigatinib concentrations ranging from 0.05 nM to 1 μM.
Cell Assay Cells are seeded at 15,000 per well with serial dilutions of the indicated inhibitors. After 72 hours cell viability is assessed by resazurin. IC50 values are calculated with GraphPad Prism 6.0 by fitting data to a log (inhibitor concentration) vs. normalized response (variable slope) equation. Each experiment is performed in duplicate and repeated at least three times.
Animal Admin Mice: (1) Eight- to 10-week-old female SCID/beige mice are injected intravenously with 5×106 H3122 cells per mouse and are randomly selected into treatment groups (n=10) when the average tumor size reaches appr 300 mm3 (day zero). Treatments are administered orally for up to 21 consecutive days at a 10 mL/kg dose volume. Subcutaneous tumors are measured two or three times weekly. Tumor volume (in mm3) is calculated using the formula (L×W2)/2. When a tumor reaches 10% of the body weight of the host, the animal is euthanized via CO2 asphyxiation. (2) Eight- to 10-week old female SCID/beige mice are injected subcutaneously with 2.5×106 Karpas-299 cells per mouse and are randomly selected into treatment groups (n=10) when the average tumor size reached appr 180 mm3 (day zero). Treatments are administered orally for 14 consecutive days at a 10 mL/kg dose volume. Tumor volume is measured and calculated as described for the H3122 model.
References

[1]. Zhang S, et al. The Potent ALK Inhibitor Brigatinib (AP26113) Overcomes Mechanisms of Resistance to First- and Second-Generation ALK Inhibitors in Preclinical Models. Clin Cancer Res. 2016 Nov 15;22(22):5527-5538

[2]. Huang WS, et al. Discovery of Brigatinib (AP26113), a Phosphine Oxide-Containing, Potent, Orally Active Inhibitor of Anaplastic Lymphoma Kinase. J Med Chem. 2016 May 26;59(10):4948-64.

[3]. Siaw JT, et al. Brigatinib, an anaplastic lymphoma kinase inhibitor, abrogates activity and growth in ALK-positive neuroblastoma cells, Drosophila and mice. Oncotarget. 2016 May 17;7(20):29011-22

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 781.8±70.0 °C at 760 mmHg
Molecular Formula C29H39ClN7O2P
Molecular Weight 584.092
Flash Point 426.6±35.7 °C
Exact Mass 583.259155
PSA 95.67000
LogP 0.43
Vapour Pressure 0.0±2.7 mmHg at 25°C
Index of Refraction 1.641
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi

 Synonyms

(2-((5-Chloro-2-((2-methoxy-4-(4-(4-methylpiperazin-1-yl)piperidin-1-yl)phenyl)amino)pyrimidin-4-yl)amino)phenyl)dimethylphosphine oxide
5-Chloro-N-[2-(dimethylphosphoryl)phenyl]-N-{2-methoxy-4-[4-(4-methyl-1-piperazinyl)-1-piperidinyl]phenyl}-2,4-pyrimidinediamine
AP 26113
2,4-Pyrimidinediamine, 5-chloro-N-[2-(dimethylphosphinyl)phenyl]-N-[2-methoxy-4-[4-(4-methyl-1-piperazinyl)-1-piperidinyl]phenyl]-
5-Chloro-N4-[2-(dimethylphosphinyl)phenyl]-N2-[2-methoxy-4-[4-(4-methyl-1-piperazinyl)-1-piperidinyl]phenyl]-2,4-pyrimidinediamine
AP26113
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