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5-alpha reductase

[al-fuh re-duck-tase] an enzyme that converts testosterone ( a male hormone) to a more active hormone called dihydrotestosterone (DHT). Drugs such as finasteride (Proscar® or Propecia®) that prevent this conversion are called 5-alpha reductase inhibitors and may help reduce the risk of prostate cancer. See also prostate, testosterone.

Drug May Lower Prostate Cancer Risk, But Cause Other ...

... with the use of finasteride in the Prostate Cancer Prevention Trial, the current
study demonstrates that 5-alpha reductase inhibitors represent a ...

http://www.cancer.org/cancer/news/news/drug-may-lower-prostate-cancer-risk-but-cause-other-problems

Can prostate cancer be prevented?

... 5-alpha reductase inhibitors. ... Drugs called 5-alpha reductase inhibitors
block the enzyme and prevent the formation of DHT. ...

http://www.cancer.org/cancer/prostatecancer/moreinformation/prostatecancerearlydetection/prostate-cancer-early-detection-prevention

Can prostate cancer be prevented?

... 5-alpha reductase inhibitors. ... Drugs called 5-alpha reductase inhibitors
block the enzyme and prevent the formation of DHT. ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-prevention

Drug May Lower Prostate Cancer Risk, But Cause Other ...

... with the use of finasteride in the Prostate Cancer Prevention Trial, the current
study demonstrates that 5-alpha reductase inhibitors represent a ...

http://www.cancer.org/treatment/treatmentsandsideeffects/guidetocancerdrugs/drug-may-lower-prostate-cancer-risk-but-cause-other-problems

Cancer Glossary

... 5-alpha reductase Search [al-fuh re-duck-tase]. an enzyme that converts
testosterone ( a male hormone) to a more active hormone called ...

http://www.cancer.org/cancer/cancerglossary/index.aspx?letter=0-9

Cancer Glossary

... A powerful form of male hormone produced by the action of 5-alpha
reductase (a prostate enzyme) on testosterone. See ...

http://www.cancer.org/cancer/cancerglossary/index.aspx?letter=d

Prostate Cancer: Early Detection

... The enzyme 5-alpha reductase converts testosterone into
dihydrotestosterone (DHT). DHT ... 5-alpha reductase inhibitors 5 ...

http://www.cancer.org/acs/groups/cid/documents/webcontent/003182-pdf.pdf

What's new in prostate cancer research and treatment?

... Scientists have also tested certain hormonal medicines called 5-alpha
reductase inhibitors as a way of reducing prostate cancer risk. ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-new-research

What is prostate cancer?

... The enzyme 5-alpha reductase converts testosterone into dihydrotestosterone
(DHT). DHT is the main hormone that signals the prostate to grow. ...

http://www.cancer.org/cancer/prostatecancer/detailedguide/prostate-cancer-what-is-prostate-cancer

What is prostate cancer?

... The enzyme 5-alpha reductase converts testosterone into dihydrotestosterone
(DHT). DHT is the main hormone that signals the prostate to grow. ...

http://www.cancer.org/cancer/prostatecancer/moreinformation/prostatecancerearlydetection/prostate-cancer-early-detection-what-is-prostate-cancer