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ASCO GI 2026 | Rationale for why BRCA1/2 alterations might influence response to immunotherapy in colorectal cancer

Olatunji Alese, MD, Emory University, Atlanta, GA, outlines the biological rationale for why BRCA1/2 alterations might influence response to immunotherapy in colorectal cancer. Preclinical data demonstrates DNA repair abnormalities from BRCA1/BRCA2 alterations create immunogenicity and high neoantigen load due to genomic instability. This interview took place at the 2026 American Society of Clinical Oncology Gastrointestinal Cancers Symposium in San Francisco, CA.

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