|ARRY-380Tyrosine kinase HER2 and p95-HER2 inhibitor|
Sample solution is provided at 25 µL, 10mM.
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|Description||ARRY-380 is an orally bioavailable, potent, selective, small-molecule inhibitor of tyrosine kinase HER2 and p95-HER2 with an IC50 of 8 and 7 nM, respectively.|
|IC50||7 nM||8 nM||4 μM|
|Cas No.||937265-83-3||SDF||Download SDF|
|Synonyms||ARRY380; ARRY 380|
|Solubility||Soluble in DMSO > 10 mM||Storage||Store at -20°C|
|General tips||For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.|
|Shipping Condition||Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
IC50: 8 nM (HER2)
HER2 is a member of the human epidermal growth factor receptor (HER/EGFR/ERBB) family. Amplification or overexpression of this oncogene has been shown to play an important role in the development and progression of certain aggressive types of breast cancer. ARRY-380 is an orally bioavailable inhibitor of the human epidermal growth factor receptor tyrosine kinase ErbB-2 (also called HER2) with potential antineoplastic activity.
In vitro: ARRY-380 is reported to be a reversible, ATP-competitive inhibitor with nanomolar activity against HER2 enzyme. In cell-based assays, ARRY-380 is ~500-fold selective for HER2 vs. EGFR and is equipotent against truncated p95-HER2 .
In vivo: ARRY-380 treatment significantly enhances survival in two ErbB2 driven intracranial tumor xenograft models, with superior activity compared to other ErbB2 agents in these studies. Additionally, ARRY-380 has demonstrated durable clinical activity in heavily pre-treated patients with ErbB2+ MBC. These preclinical and clinical data suggest that ARRY-380 may provide benefit to patients with ErbB2+ MBC with brain metastases. These preclinical and clinical data suggest that ARRY-380 may provide benefit to patients with ErbB2+ MBC with brain metastases and warrants further study .
Clinical trial: In a phase 1 clinical trial, 15 patients have been treated in 5 dosing cohorts at doses of 25 to 300 mg BID. No DLTs have been observed and drug-related adverse events have included Grade 1 nausea, rash and fatigue and Grade 2 fatigue in 2 patients at the 200 mg BID dose level. Preliminary PK analyses indicate a trend for increasing Cmax and AUC with increasing dose, a median Tmax of 2 hours and a mean t1/2 of 4.6 hours across all cohorts. Two patients with HER2+ breast cancer have had stable disease for ≥ 4 months with no significant toxicity. One of these two patients had a notable reduction in liver metastases (28%) after 2 cycles of ARRY-380 and is currently on study.These findings indicate ARRY-380 has demonstrated an acceptable safety and PK profile and preliminary signs of clinical benefit. Dose escalation continues to determine the MTD .
 S. L. Moulder, V. Borges, S. K. L. Chia, T. Baetz, E. Barrett, J. Garrus, K. Guthrie, C. Kass, E. Laird, J. Lyssikatos, F. Marmsater, E. Wallace. ARRY-380, a Selective HER2 Inhibitor: From Drug Design to Clinical Evaluation. Poster of AACR-NCI-EORTC, Nov 12-16, 2011, San Francisco, CA.
 Victoria Dinkel, Deborah Anderson, Shannon Winski, Jim Winkler, Kevin Koch and Patrice Lee. ARRY-380, a potent, small molecule inhibitor of ErbB2, increases survival in intracranial ErbB2+ xenograft models in mice. Poster available at www.arraybiopharma.com
 S. Chia, T. Baetz, S. D'Aloisio, G. Fernetich, B. Freeman, E. Barrett, C. Kass, J. Kang, B. Sajan, S. Moulder, and J. Garrus. A Phase 1 Study To Assess the Safety, Tolerability and Pharmacokinetics of ARRY-380 – An Oral Inhibitor of HER2. Cancer Res 2009;69(24 Suppl):Abstract nr 5111.