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Association details:
| Biomarker: | FGF3 amplification + ER positive |
|---|---|
| Cancer: | HER2 Negative Breast Cancer |
| Drug: | Ibrance (palbociclib) (CDK4 inhibitor, CDK6 inhibitor) + gedatolisib (PF-05212384) (mTOR inhibitor, PI3K inhibitor, mTORC1 inhibitor, mTORC2 inhibitor) |
| Direction: | Sensitive |
Evidence:
Source:
Title:
Biomarker analysis from a phase I study using gedatolisib+palbociclib+hormone therapy in ER+/HER2- metastatic breast cancer (mBC).
Published date:
05/13/2020
Excerpt:
Pt tumor tissue analysis (n = 25) confirmed pts with FGF3/4/19 amplification (n = 4) had larger changes in tumor size in response to G+P+L/F (p = 0.029). Of the 6 pts with an ESR1 mutation, 1 pt with an ESR1 Y537S mutation exhibited a partial response (PR) to G+P+L.
Secondary therapy:
fulvestrant; letrozole
DOI:
10.1200/JCO.2020.38.15_suppl.1052
Trial ID:
