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After surgery or radiation therapy, PSA may start to rise again, which is called biochemical recurrence if a certain threshold is met in PSA levels (typically 0.1 or 0.2 ng/ml for surgery). At 10 years of follow-up after surgery, there is an overall risk of biochemical recurrence of 30–50%, depending on the initial risk state, and salvage ...
Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.
Progression-free survival (PFS) is "the length of time during and after the treatment of a disease, such as cancer, that a patient lives with the disease but it does not get worse". [1] In oncology, PFS usually refers to situations in which a tumor is present, as demonstrated by laboratory testing, radiologic testing, or clinically. Similarly ...
Enzalutamide, sold under the brand name Xtandi, is a nonsteroidal antiandrogen (NSAA) medication which is used in the treatment of prostate cancer. [2] [9] It is indicated for use in conjunction with castration in the treatment of metastatic castration-resistant prostate cancer (mCRPC), [2] nonmetastatic castration-resistant prostate cancer, [2] and metastatic castration-sensitive prostate ...
Prostate cancer is the uncontrolled growth of cells in the prostate, a gland in the male reproductive system below the bladder. Abnormal growth of prostate tissue is usually detected through screening tests, typically blood tests that check for prostate-specific antigen (PSA) levels. Those with high levels of PSA in their blood are at increased ...
It has also been reported that bicalutamide monotherapy decreases median circulating levels of PSA at 3 months by 86.7% at 100 mg/day, 91.1% at 150 mg/day, and 93.8% at 200 mg/day (relative to 94–97% for castration). [56] Above a bicalutamide monotherapy dosage of 200 mg/day, up to 600 mg/day, decreases in PSA levels reach a plateau.