Study of Prostate Cancer in Black and White U.S. Veterans
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
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Prostate cancer is diagnosed in approximately 334,500 men each year and accounts for nearly 41,800 deaths in the United States. Prostate cancer is the leading cancer affecting veterans and the second leading cancer among all Americans. The causes of prostate cancer and, particularly, the reasons for the unusually high incidence rates in African-Americans remain obscure. Dietary factors likely play a role in fatal cases, while hormones are also important in regulating prostate cancer growth. Dr. Charles Huggins recognized this effect in the 1940?s, with androgen deprivation remaining as the cornerstone of therapy for advanced disease. Despite the strong circumstantial evidence, neither epidemiologic studies nor basic sciences have produced clear insight into the etiologic role of hormones. However, recent observations regarding androgen receptor gene polymorphisms and their relation to endocrine expression and prostate cancer risk may be providing important clues as to how an etiologic role might be mediated at the molecular level. Thus, it is important to attempt to identify genetic markers of high-risk cancer patients for necessary screening and counseling efforts.
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Ages Eligible for Study:
18 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Veterans who undergo prostate biopsy where biopsy results are positive or PSA less than 10Ng/ml.