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Gene | B2M |
Variant | del |
Impact List | deletion |
Protein Effect | loss of function |
Gene Variant Descriptions | B2M del indicates a deletion of the B2M gene. |
Associated Drug Resistance | |
Category Variants Paths |
B2M mutant B2M inact mut B2M del |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
B2M mutant | colorectal cancer | predicted - sensitive | unspecified PD-1 antibody | Clinical Study - Cohort | Actionable | In a clinical study, a cohort of colorectal cancer patients harboring B2M mutations demonstrated a clinical benefit of either a partial response or stable disease in 85% (11/13) when treated with a PD-1 or PD-L1 inhibitor (PMID: 31008436). | 31008436 |
B2M mutant | colorectal cancer | predicted - sensitive | unspecified PD-L1 antibody | Clinical Study - Cohort | Actionable | In a clinical study, a cohort of colorectal cancer patients harboring B2M mutations demonstrated a clinical benefit of either a partial response or stable disease in 85% (11/13) when treated with a PD-1 or PD-L1 inhibitor (PMID: 31008436). | 31008436 |