Molecular Profile Detail

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Profile Name CDKN2A del
Gene Variant Detail

CDKN2A del (loss of function)

Relevant Treatment Approaches CDK Inhibitor (Pan) CDK4 Inhibitor CDK4/6 Inhibitor CDK6 Inhibitor

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
CDKN2A del RB1 pos glioblastoma predicted - sensitive Ribociclib Phase 0 Actionable In a Phase 0 trial, Kisqali (ribociclib) demonstrated good CNS penetration and inhibited Rb1 phosphorylation and tumor cell proliferation, resulted in a median progression-free survival of 9.7 weeks and a median overall survival of 7.8 months in patients (n=6) with recurrent glioblastoma with intact Rb1 expression and harboring deletion of CDKN2A or amplification of CDK4 or CDK6 (PMID: 31285369; NCT02933736). 31285369