BPH, 5-ARIs, PSA, and risk for prostate cancer diagnosis

It will come as no surprise to the well-informed that if you are taking a 5-alpha-reductase inhibitor (a 5-ARI) like dutasteride or finasteride for benign prostatic hyperplasia (BPH), it significantly lowers your “normal” PSA level (to about half the actual value). … READ MORE …

TARP trial shows limited benefits from 5-ARI + an anti-androgen in CRPC

For some 15+ years there have been subsets of patients and physicians who have believed strongly that adding a 5α-reductase inhibitor (5-ARI) like finasteride or dutasteride to an anti-androgen would quite certainly aid in the prevention of prostate cancer progression because such a regimen would reduce levels of dihydrotestosterone. … READ MORE …

New data on 5-ARI treatment in prevention of and and risk for prostate cancer

A new article in the journal JAMA Oncology has again suggested that the use of 5α-reductase inhibitors (5-ARIs) like finasteride/Proscar and dutasteride/Avodart is not, in fact, associated with any significant risk for clinically significant prostate cancer let alone risk for prostate cancer-specific mortality. … READ MORE …

5-ARIs and risk for high-grade prostate cancer: yet another data set

The question of whether the use of 5α-reductase inhibitors (5-ARIs) like finasteride (Proscar) and dutasteride (Avodart) is really associated with a significantly increased risk for diagnosis of high-risk and/or lethal prostate cancers remains unanswered. However, yet another set of data from the Health Professionals Follow-up Study (HPFS) has offered us some additional insights. … READ MORE …

5-ARIs and prostate cancer risk: one step forward; one step back

As is so often the case in medicine, data suggesting a positive finding from one study comes out at about the same time as data demonstrating exactly the opposite … and in prostate cancer this occurs all too frequently! … READ MORE …

Still “no sufficient evidence” to support any widespread prostate cancer prevention strategy

A new review of the available literature has concluded that, despite the fact that “prostate cancer is an ideal target for prevention,” there is in fact “no suitable evidence to recommend using any specific nutritional supplement or diet to prevent prostate cancer” at the present time. … READ MORE …

AUA comments on FDA guidance on safe use of 5-ARIs

The American Urological Association (AUA) has written to the U.S. Food & Drug Administration (FDA) seeking modification of the FDA’s recent guidance on the use of 5α-reductase inhibitors like dutasteride and finasteride in the management of urologic conditions. … READ MORE …