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A Phase Ib Study to Evaluate the Safety, Efficacy, and Pharmacokinetics of Cibisatamab in Combination With Atezolizumab After Pretreatment With Obinutuzumab in Participants With Previously Treated Metastatic Colorectal Adenocarcinoma

Multiple Cancer Types

CO40939 is a Phase Ib, open-label, multicenter, single-arm study designed to evaluate the safety, efficacy, pharmacokinetics, and immunogenicity of cibisatamab in combination with atezolizumab administered after pretreatment with obinutuzumab in patients with Stage IV microsatellite stable (MSS) metastatic colorectal cancer (mCRC) whose tumors have high carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5) expression and who have progressed on two or more chemotherapy regimens. The study is composed of a safety run-in and an exploratory part.
Colon, Rectal
I/II
Eng, Cathy
NCT03866239
VICCGIP1941

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