2021
DOI: 10.1158/1538-7445.am2021-907
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Abstract 907: XMT-1660, a B7-H4-targeted Dolasynthen antibody-drug conjugate for the treatment of breast cancer

Abstract: XMT-1660 is a novel Dolasynthen-based antibody drug conjugate carrying a DolaLock payload with controlled bystander effect and targeting B7-H4, a tumor antigen that is broadly expressed on the cell surface in breast, ovarian and endometrial cancers. B7-H4 (VTCN1) exerts immunosuppressive effects by suppression of T cell proliferation and is expressed on tumor-associated macrophages (TAMs) as well as epithelial tumor cells. XMT-1660 is comprised of an anti-B7-H4 antibody site-specifically conjugated to Dolasynt… Show more

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Cited by 3 publications
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“…XMT-1660, an antibody-drug conjugate in the composition of an anti-B7-H4 antibody conferring great link-coupled specificity. It has been confirmed consistently showed more significant anti-tumor ability in the model within the organism in breast cancer [40] . Thus, immunosuppressive agents targeting VTCN1 will benefit more patients.…”
Section: Experimental Verificationsupporting
confidence: 55%
“…XMT-1660, an antibody-drug conjugate in the composition of an anti-B7-H4 antibody conferring great link-coupled specificity. It has been confirmed consistently showed more significant anti-tumor ability in the model within the organism in breast cancer [40] . Thus, immunosuppressive agents targeting VTCN1 will benefit more patients.…”
Section: Experimental Verificationsupporting
confidence: 55%