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Gene | CDKN2A |
Variant | negative |
Impact List | unknown |
Protein Effect | loss of function |
Gene Variant Descriptions | CDKN2A negative indicates a lack of expression of the CDKN2A mRNA and/or protein. |
Associated Drug Resistance | |
Category Variants Paths |
CDKN2A mutant CDKN2A inact mut CDKN2A negative |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
CDKN2A negative | lung non-small cell carcinoma | predicted - sensitive | Palbociclib | Phase II | Actionable | In a Phase II trial, Ibrance (palbociclib) treatment resulted in no objective response (0/16) and stable disease in 50% (8/16) of patients with advanced Cdkn2a-null (by IHC) non-small cell lung cancer, with a median overall survival (mOS) of 5.1 months for all patients and a mOS of 16.6 months in patients achieved stable disease (PMID: 30647837; NCT01291017). | 30647837 |
CDKN2A negative | head and neck squamous cell carcinoma | predicted - sensitive | Cetuximab + Palbociclib | Case Reports/Case Series | Actionable | In a Phase I trial, Erbitux (cetuximab) and Ibrance (palbociclib) combination therapy was safe and resulted in a disease control rate of 89% (8/9, 2 partial responses, 6 stable disease) in patients with recurrent or metastatic head and neck squamous cell carcinoma, both responders had CDKN2A-negative tumors (PMID: 27311401). | 27311401 |
CDKN2A negative | lung non-small cell carcinoma | sensitive | Everolimus + Palbociclib | Preclinical - Cell culture | Actionable | In a preclinical study, Ibrance (palbociclib) and Afinitor (everolimus) synergisticaly inhibited growth of Cdkn2a-null non-small cell lung cancer cell lines in culture (PMID: 30647837). | 30647837 |
CDKN2A negative | lung non-small cell carcinoma | sensitive | Palbociclib + PF-04691502 | Preclinical - Cell culture | Actionable | In a preclinical study, Ibrance (palbociclib) and PF-04691502 synergisticaly inhibited growth of Cdkn2a-null non-small cell lung cancer cell lines in culture (PMID: 30647837). | 30647837 |
CDKN2A negative | lung non-small cell carcinoma | sensitive | Palbociclib + Sirolimus | Preclinical - Cell culture | Actionable | In a preclinical study, Ibrance (palbociclib) and Rapamune (sirolimus) synergisticaly inhibited growth of Cdkn2a-null non-small cell lung cancer cell lines in culture (PMID: 30647837). | 30647837 |