Profile Response Detail

Molecular Profile RB1 K240Sfs*22 TP53 R248W
Therapy Fulvestrant + Palbociclib
Indication/Tumor Type Her2-receptor negative breast cancer
Response Type predicted - resistant
Create By tyin
Update By driscd

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
RB1 K240Sfs*22 TP53 R248W Her2-receptor negative breast cancer predicted - resistant Fulvestrant + Palbociclib Case Reports/Case Series Actionable In a clinical case study, RB1 K240Sfs*22 and TP53 R248W were identified in the circulating tumor DNA of a patient with estrogen receptor positive, progesterone receptor positive, and Erbb2 (Her2)-negative, invasive ductal carcinoma at the time of disease progression after 5 months of Ibrance (palbociclib) and Faslodex (fulvestrant) combination treatment (PMID: 29236940). 29236940
PubMed Id Reference Title Details
(29236940) Polyclonal RB1 mutations and acquired resistance to CDK 4/6 inhibitors in patients with metastatic breast cancer. Full reference...