Tarloxotinib bromide (TH-4000) (Synonyms: TH-4000) |
Catalog No.GC32100 |
탈록소티닙 브로마이드(TH-4000)(TH-4000)는 비가역적 EGFR/HER2 억제제입니다.
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Cas No.: 1636180-98-7
Sample solution is provided at 25 µL, 10mM.
Tarloxotinib bromide is an irreversible EGFR/HER2 inhibitor.
To confirm the mechanism of action, Tarloxotinib bromide is shown to be metabolized efficiently under hypoxia using a panel of human NSCLC cell lines (rate of TKI release 0.4-2.1 nM/hr/106 cells), a process that is inhibited by oxygen (TKI release 80% (538 vs 99 nM/kg; p
A prototypic WT EGFR driven xenograft model (A431) is used to benchmark Tarloxotinib bromide activity against each EGFR-TKI by 'retrotranslation' of reported plasma exposure for each agent in human subjects back to the xenograft model. Only treatment with clinically relevant doses and schedules of Tarloxotinib bromide is associated with tumor regression and durable inhibition of WT EGFR tumor phosphorylation. Consistent with these findings, Tarloxotinib bromide treatment can also regress the WT EGFR NSCLC tumor models H125 and H1648, demonstrating Tarloxotinib bromide provides the necessary therapeutic index to inhibit WT EGFR in vivo[1].
[1]. Shevan Silva, Abstract A67: Preclinical efficacy of tarloxotinib bromide (TH-4000), a hypoxia-activated EGFR/HER2 inhibitor: rationale for clinical evaluation in EGFR mutant, T790M-negative NSCLC following progression on EGFR-TKI therapy. Abstracts: AACR-NCI-EORTC International Conference: Molecular Targets and Cancer Therapeutics; November 5-9, 2015; Boston, MA.
[2]. Adam V. Patterson, Abstract 5358: The hypoxia-activated EGFR-TKI TH-4000 overcomes erlotinib-resistance in preclinical NSCLC models at plasma levels achieved in a Phase 1 clinical trial. AACR 106th Annual Meeting 2015; April 18-22, 2015; Philadelphia, PA.
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