Pemcure

Ibrutinib 140mg is a targeted therapy. It inhibits the function of Bruton's tyrosine kinase (BTK). BTK is a key signaling molecule of the B-cell receptor signaling complex that plays an important role in the survival of malignant B cells. It blocks signals that stimulate malignant B cells to grow and divide uncontrollably. It is not a chemotherapy drug but one of what are termed "targeted therapies."

It is used to reduce the risk of breast cancer in women who are at high risk for the disease due to their age, personal medical history, and family medical history. Tamoxifen is in a class of medications known as antiestrogens. It blocks the activity of estrogen (a female hormone) in the breast.