Molecular Profile Detail

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Profile Name CDKN2A loss PIK3CA act mut
Gene Variant Detail

CDKN2A loss (loss of function)

PIK3CA act mut (gain of function)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
CDKN2A loss PIK3CA act mut lung squamous cell carcinoma predicted - sensitive Buparlisib + Palbociclib Preclinical - Pdx Actionable In a preclinical study, treatment with the combination of Buparlisib (BYL719) and Ibrance (palbociclib) resulted in increased tumor growth inhibition compared to either agent alone in patient-derived xenograft (PDX) models of lung squamous cell carcinoma harboring PIK3CA E542K or E545K mutations with p16 (CDKN2A) loss, including models that also had either PIK3CA amplification or PTEN loss (PMID: 30093452). 30093452