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Androgen receptor inhibitors in prostate cancer: new drugs, but for which patient?

07:00 EST 28th November 2019 | BioPortfolio

Summary of "Androgen receptor inhibitors in prostate cancer: new drugs, but for which patient?"

The results of a recent randomised phase 3 clinical trial show that the androgen receptor antagonist darolutamide improves metastasis-free survival in men with non-metastatic, castration-resistant prostate cancer, compared with placebo. The trial included 1509 men with a prostate-specific antigen doubling time of 10 months or less. Non-metastatic disease was defined as the absence of metastases, using conventional imaging rather than the substantially more sensitive PSMA scans. The effect of darolutamide is similar to that of other androgen inhibitors, such as apalutamide and enzalutamide. The value of the current trial to Dutch clinical practice is limited, as the number of patients with non-metastatic, castration-resistant prostate cancer is low due to the increased use of PSMA scans and the reluctance of urologists to start androgen-deprivation therapy in the absence of metastatic disease.

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Name: Nederlands tijdschrift voor geneeskunde
ISSN: 1876-8784
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Medical and Biotech [MESH] Definitions

A synthetic non-aromatizable androgen and anabolic steroid. It binds strongly to the androgen receptor and has therefore also been used as an affinity label for this receptor in the prostate and in prostatic tumors.

Tumors or cancer of the PROSTATE which can grow in the presence of low or residual amount of androgen hormones such as TESTOSTERONE.

A familial form of PSEUDOHERMAPHRODITISM transmitted as an X-linked recessive trait. These patients have a karyotype of 46,XY with end-organ resistance to androgen due to mutations in the androgen receptor (RECEPTORS, ANDROGEN) gene. Severity of the defect in receptor quantity or quality correlates with their phenotypes. In these genetic males, the phenotypic spectrum ranges from those with normal female external genitalia, through those with genital ambiguity as in Reifenstein Syndrome, to that of a normal male with INFERTILITY.

A glycoprotein that is a kallikrein-like serine proteinase and an esterase, produced by epithelial cells of both normal and malignant prostate tissue. It is an important marker for the diagnosis of prostate cancer.

Compounds that bind to and inhibit the activation of ANDROGEN RECEPTORS.

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