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Brigatinib ALK inhibitor

Cat.No.S8229

Brigatinib is a potent and selective ALK (IC50, 0.6 nM) and ROS1 (IC50, 0.9 nM) inhibitor. It also inhibits IGF-1R, FLT3, and mutant variants of FLT3 (D835Y) and EGFR with lower potentcy.
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Quality Control

Batch: Purity: 99.91%
99.91

Cell Culture, Treatment & Working Concentration

Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID
KARPAS299 Antiproliferative assay 72 hrs Antiproliferative activity against human ALK-positive KARPAS299 cells assessed as reduction in cell viability measured after 72 hrs by CellTiter 96 aqueous one solution cell proliferation assay, GI50 = 0.01 μM. 27144831
KARPAS299 Antiproliferative assay 72 hrs Antiproliferative activity against human ALK-positive KARPAS299 cells assessed as reduction in cell viability measured after 72 hrs by CellTiter 96 aqueous one solution cell proliferation assay, IC50 = 0.029 μM. 27144831
Ba/F3 Function assay 72 hrs Inhibition of human EGFR del19/T790M/C797S mutant expressed in mouse Ba/F3 cells assessed as cell growth inhibition after 72 hrs by CellTiter-Glo assay, GI50 = 0.0672 μM. 29136465
BAF3 Antiproliferative assay 72 hrs Antiproliferative activity against mouse BAF3 cells harboring EGFR 19D/T790M/C797S mutant after 72 hrs by resazurin dye based assay, IC50 = 0.26 μM. 30429956
BAF3 Antiproliferative assay 72 hrs Antiproliferative activity against mouse BAF3 cells harboring EGFR L858R/T790M/C797S mutant after 72 hrs by resazurin dye based assay, IC50 = 0.42 μM. 30429956
NCI-H1975 Antiproliferative assay 72 hrs Antiproliferative activity against human NCI-H1975 cells harboring EGFR L858R/T790M mutant after 72 hrs by resazurin dye based assay, IC50 = 1.09 μM. 30429956
U937 Antiproliferative assay 72 hrs Antiproliferative activity against human ALK-negative U937 cells assessed as reduction in cell viability measured after 72 hrs by CellTiter 96 aqueous one solution cell proliferation assay, IC50 = 3.194 μM. 27144831
KARPAS299 Antitumor assay 50 mg/kg 13 days Antitumor activity against human KARPAS299 cells expressing NMP-ALK fusion protein xenografted in SCID/beige mouse assessed as tumor regression at 50 mg/kg, po administered once daily for 13 days, NULL = NULL μM. 27144831
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Solubility

In vitro
Batch:

Ethanol : 43 mg/mL

DMSO : 1 mg/mL (1.71 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

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In vivo
Batch:

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Chemical Information, Storage & Stability

Molecular Weight 584.09 Formula

C29H39ClN7O2P

Storage (From the date of receipt)
CAS No. 1197953-54-0 -- Storage of Stock Solutions

Synonyms AP26113 SMILES CN1CCN(CC1)C2CCN(CC2)C3=CC(=C(C=C3)NC4=NC=C(C(=N4)NC5=CC=CC=C5P(=O)(C)C)Cl)OC

Read more about storage stability stock solution CAS number SMILES

Mechanism of Action

Targets/IC50/Ki
ALK
(Cell-free assay)
0.37 nM
ROS1
(Cell-free assay)
1.9 nM
FLT3
(Cell-free assay)
2.1 nM
IGF1R
(Cell-free assay)
24.9 nM
EGFR(C797S/del19)
(cell-based)
39.9 nM
EGFR(del19)
(Cell-free assay)
43.7 nM
EGFR(C797S/T790M/del19)
(cell-based)
67.2 nM
EGFR(T790M/del19)
(cell-based)
150.3 nM
InsR
(Cell-free assay)
196 nM
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. This compound 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. This compound demonstrates dose-dependent antitumor activity. It 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.
References

Applications

Methods Biomarkers Images PMID
Western blot pEGFR / EGFR / pAkt / Akt / pERK / ERK / pS6 / S6 pALK / ALK pROS1 / ROS1 / pSTAT3 / STAT3
S8229-WB1
28287083
Growth inhibition assay Cell viability
S8229-viability1
25351743

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2025-12-05)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT04925609 RECRUITING
Anaplastic Large Cell Lymphoma, ALK-Positive; Inflammatory Myofibroblastic Tumor; Other Solid Tumor
Princess Maxima Center for Pediatric Oncology
2022-08-18 PHASE1; PHASE2
NCT06620835 RECRUITING
NSCLC
Groupe Francais De Pneumo-Cancerologie
2025-06-19 PHASE2
NCT04374305 RECRUITING
Neurofibromatosis Type 2; Vestibular Schwannoma; Non-vestibular Schwannoma; Meningioma; Ependymoma
Scott R. Plotkin, MD, PhD
2020-06-20 PHASE2
NCT06813079 RECRUITING
Pancreatic Ductal Carcinoma; Advanced Cancer; Epithelial Tumor
University Health Network, Toronto
2025-04-07 PHASE2
NCT04227028 ACTIVE_NOT_RECRUITING
Locally Advanced Lung Non-Small Cell Carcinoma; Metastatic Lung Non-Small Cell Carcinoma; Recurrent Lung Non-Small Cell Carcinoma; Stage III Lung Cancer AJCC v8; Stage IIIA Lung Cancer AJCC v8; Stage IIIB Lung Cancer AJCC v8; Stage IIIC Lung Cancer AJCC v8; Stage IV Lung Cancer AJCC v8; Stage IVA Lung Cancer AJCC v8; Stage IVB Lung Cancer AJCC v8
City of Hope Medical Center
2020-03-09 PHASE1
NCT04223596 ACTIVE_NOT_RECRUITING
Lung Cancer; NSCLC; NSCLC Stage IIIB; NSCLC Stage IV
Fundación GECP
2020-05-04 PHASE2

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