endocrine therapy Flashcards
what % of breast cancers are hormone-sensitive
70%
2 types of endocrine therapy
- oestrogen deprivation
- anti-oestrogens
side effects of aromatase inhibitors (AIs)
can lead to osteoporosis
examples of AIs
letrozole, anasrtozole
What do SERMs do
modulate the binding of receptors so that signalling can’t happen
example of SERM
tamoxifen
examples of surgery as endocrine therapy
oophorectomy, adrenalectomy
example of radiotherapy as endocrine therapy
radiotherapy to ovaries
Fulvestrant
- oestrogen receptor (ER) antagonist
- downregulates ER
premenopausal treatment strategies
ovarian ablation (surgery, RT, chemo) then tamoxifen
postmenopausal treatment strategies
tamoxifen, selective AI, fulvestrant
Adjuvant endocrine therapy
- the more positive the receptors are the more likely the therapy is going to help
what is the oncotype score
specimen of cancer is sent to US and genes are proliferated, comes up w a score to signal if treatments are worth it