In vitro: Beyond ALK, IGF1R, and InsR, brigatinib also potently inhibits FLT3 and ROS1 with IC50 values of 2.1 and 1.9 nM, respectively. It does not show significant activity toward c-Met or Ron up to 1 μM. Brigatinib overcomes the resistance of EGFR-triple-mutant and the activity depends on ATP-competitive manner with less affection to wild-type EGFR. In vivo: Mouse PK parameters for Brigatinib following oral dosing (10 mg/kg): Cmax=448 ng/mL,t1/2=5.8 h. And in CD rats, after dosing at 3 mg/kg i.v, CL=0.46 L/(h·kg), t1/2=4.8 h, Vss=7.8 L/kg; Dosed at 10 mg/kg p.o, Cmax=305 ng/mL, tmax=4 h, t1/2=3.4 h， F%=52. Brigatinib demonstrates dose-dependent antitumor activity. Brigatinib demonstrates growth inhibition activity in PC9 triple-mutant xenograft model and in combination with anti-EGFR antibody to potentiate the efficacy both in vitro and in vivo as shown in first-generation EGFR-TKI-resistant patients.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||43 mg/mL warmed in DMSO|
Activity and safety of brigatinib in ALK-rearranged non-small-cell lung cancer and other malignancies: a single-arm, open-label, phase 1/2 trial.
Gettinger SN, et al. Lancet Oncol. 2016 Dec;17(12):1683-1696. PMID: 27836716.
The Potent ALK Inhibitor Brigatinib (AP26113) Overcomes Mechanisms of Resistance to First- and Second-Generation ALK Inhibitors in Preclinical Models.
Zhang S, et al. Clin Cancer Res. 2016 Nov 15;22(22):5527-5538. PMID: 27780853.
|Related ALK Products|
Entrectinib (RXDX-101) is an orally bioavailable pan-TrkA/B/C, ROS1 and ALK inhibitor with IC50 ranging between 0.1 and 1.7 nM. Phase 2.
Crizotinib is inhibitor of the c-Met kinase and the NPM-ALK. Crizotinib inhibited cell proliferation in ALK-positive ALCL cells (IC50s=30 nM). Crizotinib is useful in treatment of anaplastic large-cell lymphoma.
ALK-IN-1 is an analog of AP26113 which is a potent and selective ALK inhibitor. It is also an inhibitor of EGFR.
CEP-37440 is a novel potent and selective Dual FAK/ALK inhibitor with IC50 s of 2.3 nM (FAK) and 120 nM(ALK cellular IC50 in 75% human plasma).
CH5424802 HCl is a potent ALK inhibitor with IC50 of 1.9 nM, sensitive to L1196M mutation.
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