Antibody Information

General Information of This Antibody

Antibody ID	ANI0YTLOU
Antibody Name	XMT-1519
Antibody Type	Monoclonal antibody (mAb)
Antibody Subtype	Humanized IgG1-kappa
Antigen Name	Receptor tyrosine-protein kinase erbB-2 (ERBB2)	Antigen Info
Click to Show/Hide the Sequence Information of This Antibody
Heavy Chain Sequence	EVQLVESGGGLVQPGGSLRLSCAASGFTFSSYSMNWVRQAPGKGLEWVSYISSSSSTIYY ADSVKGRFTISRDNAKNSLYLQMNSLRAEDTAVYYCARGGHGYFDLWGRGTLVTVSSAST KGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLY SLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSV FLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTY RVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTK NQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQG NVFSCSVMHEALHNHYTQKSLSLSPG Click to Show/Hide
Light Chain Sequence	EIVLTQSPGTLSLSPGERATLSCRASQSVSSSYLAWYQQKPGQAPRLLIYGASSRATGIP DRFSGSGSGTDFTLTISRLEPEDFAVYYCQQYHHSPLTFGGGTKVEIKRTVAAPSVFIFP PSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTL TLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC Click to Show/Hide

Each Antibody-drug Conjugate Related to This Antibody

Full Information of The Activity Data of The ADC(s) Related to This Antibody

XMT-1522 [Terminated in phase 1]

ADC Info

Discovered Using Cell Line-derived Xenograft Model

Click To Hide/Show 1 Activity Data Related to This Level

Experiment 1 Reporting the Activity Date of This ADC					[1]
Efficacy Data	Tumor Growth Inhibition value (TGI)	≈ 100.00% (Day 49)	Positive HER2 expression (HER2+++/++)
Method Description	XMT-1522 (3 mg/kg, every seven days x3) induces efficient tumor cell killing in cell line-derived models of JIMT-1 cells with HER2 expression with high expression.
In Vivo Model	JIMT-1 CDX model
In Vitro Model	Breast ductal carcinoma	JIMT-1 cells		CVCL_2077

References

Ref 1	A Novel Anti-HER2 Antibody-Drug Conjugate XMT-1522 for HER2-Positive Breast and Gastric Cancers Resistant to Trastuzumab Emtansine. Mol Cancer Ther. 2019 Oct;18(10):1721-1730. doi: 10.1158/1535-7163.MCT-19-0207. Epub 2019 Jul 10.