Abstract:
:RAV12 is a chimeric antibody that recognizes an N-linked carbohydrate antigen (RAAG12) strongly expressed on multiple solid organ cancers. More than 90% of tumors of colorectal, gastric, and pancreatic origin express RAAG12, and a majority of these tumors exhibit uniform RAAG12 expression. RAV12 exhibits potent cytotoxic activity in vitro against COLO 205 colon tumor cells via an oncotic cell death mechanism. RAV12-treated COLO 205 cells undergo morphologic changes consistent with oncosis, including cytoskeletal rearrangement, rapid plasma membrane swelling, and cell lysis. RAV12 inhibited the growth of RAAG12-expressing gastrointestinal tumor xenografts in athymic mice. In the case of SNU-16 tumor cells, twice weekly treatment of established s.c. tumors with 10 mg/kg RAV12 caused a approximately 70% suppression of tumor growth at the end of the study. This preclinical data has led to the initiation of a phase I/IIA clinical study of RAV12 in patients with metastatic or recurrent adenocarcinoma.
journal_name
Mol Cancer Therjournal_title
Molecular cancer therapeuticsauthors
Loo D,Pryer N,Young P,Liang T,Coberly S,King KL,Kang K,Roberts P,Tsao M,Xu X,Potts B,Mather JPdoi
10.1158/1535-7163.MCT-06-0581subject
Has Abstractpub_date
2007-03-01 00:00:00pages
856-65issue
3eissn
1535-7163issn
1538-8514pii
6/3/856journal_volume
6pub_type
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