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Molecular Profile BRAF V600E/K CDKN2A loss RB1 pos
Therapy Palbociclib + Vemurafenib
Indication/Tumor Type melanoma
Response Type predicted - sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
BRAF V600E/K CDKN2A loss RB1 pos melanoma predicted - sensitive Palbociclib + Vemurafenib Phase Ib/II Actionable In a phase I/II trial, Ibrance (palbociclib) plus Zelboraf (vemurafenib) was safe and resulted in an overall response rate (ORR) of 26.7% (4/15), disease control rate (DCR) of 80% (12/15), and progression-free survival (PFS) of 2.8 mo in metastatic melanoma patients with prior BRAF inhibitor treatment and BRAF V600E/K, CDKN2A loss, and RB1 expression, and an ORR of 27.8% (5/18), DCR of 83.3% (10/18) and 2.8 mo PFS when combined with pts without prior BRAF inhibitor treatment (PMID: 33947696; NCT02202200). 33947696
PubMed Id Reference Title Details
(33947696) Phase I-II Open-Label Multicenter Study of Palbociclib + Vemurafenib in BRAFV600MUT Metastatic Melanoma Patients: Uncovering CHEK2 as a Major Response Mechanism. Full reference...