Does letrozole stop cancer from spreading? Drugs such as everolimus and letrozole have been shown to be effective at stopping tumor growth either by killing the cells, by stopping them from dividing, or by stopping them from spreading.
How successful is letrozole for breast cancer? In the intention-to-treat analysis, women who received letrozole alone had a disease-free survival rate of 73.8 percent at 8 years, compared with a rate of 70.4 percent for women who received tamoxifen alone.
Can breast cancer return while on letrozole? 17 trial was halted and letrozole offered, those who began letrozole therapy had only a 2 percent risk of tumor recurrence, compared with almost 5 percent in those choosing no treatment. The risk of death from breast cancer during that period was cut in half in those receiving letrozole.
Is letrozole a form of chemotherapy? Official answer. Letrozole is not chemotherapy, it is a type of hormone therapy that is used to treat people with breast cancer that is hormone receptor-positive.