Prediction of fulvestrant efficacy in patients with advanced breast cancer: retrospective-prospective evaluation of the predictive potential of a multigene expression assay.
Troels Dreier ChristensenAnna Sofie Kappel BuhlIb Jarle ChristensenIda Kappel BuhlEva BalslevAnn S KnoopHella DanøVesna GlavicicAdam LuczakSven Tyge LangkjerSøren LinnetErik Hugger JakobsenJurij BogovicBent EjlertsenAnnie RasmussenAnker HansenSteen KnudsenPeter Buhl JensenDorte NielsenPublished in: Breast cancer (Tokyo, Japan) (2019)
The DRP showed a potential in predicting fulvestrant treatment but was not significant in the overall analysis. Use of older biopsies, long-term endocrine treatment and multiple therapies between biopsy used for analysis and fulvestrant treatment, probably affect the predictive accuracy.