| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
© Oxford University Press 2006.
NEWS |
New Finasteride Trial Results Aim To Curb Controversy
| The first 10% of the full text of this article appears below. |
Three years after publication of the history-making Prostate Cancer Prevention Trial (PCPT), the controversy that often overshadowed the positive results appears headed toward resolution.
The PCPT demonstrated that 7 years of prophylactic treatment with finasteride reduced the risk of prostate cancer by 6% (from 24.4% in the placebo group to 18.4% in the finasteride group). However, the results also revealed a statistically significant 1.3% absolute increase in the incidence of high-grade cancer (Gleason sum
7) in the finasteride patients.
The high-grade disease "issue" assumed a front-and-center position and dampened enthusiasm for the use of finasteride to prevent prostate cancer, acknowledged PCPT principal investigator Ian M. Thompson, M.D., professor and chair of urology at the University of Texas Health Sciences Center in San Antonio. Little evidence exists to indicate that physicians are prescribing a 5
-reductase inhibitor