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The purpose of this research study is to determine if giving men with early stage (Grade 1-2) prostate cancer dietary supplement from soybeans called isoflavones, will change their blood hormone levels. Isoflavones are substances found in a high concentration in soybeans that are converted in the intestines to hormone-like compounds which are similar to estrogen. They are also thought to have cancer fighting properties. Clinical trials suggest that isoflavones can increase certain sex hormones, which results in the slower production of prostate cancer cells. This study will determine if adding isoflavones (supplied as Prevastein HC®) 80 mg/day in a pill form can change your risk factors that cause early stage prostate cancer to progress to more advanced disease.
Full description
To prevent biasing the outcome of the study, this is a double-blind study design, where both the trialists and the participants are blinded to the specific nature of the product (isoflavones and placebo). Participants in both groups will be discouraged from increasing their intake of dietary isoflavones in the form of tofu, soy beans, soy milk, etc. In addition, the intervention does not include active counseling on dietary modification and supplementation of any one group. Monthly appointments will be made for all participants for data collection and toxicity assessment.
Schema:
This is a controlled, randomized, double blinded clinical trial, having one experimental and one control group (n - 75/arm). Participants in the experimental group will consume an isoflavones supplement in the form of Prevastein HC®, which will deliver 80 mgs (40 mg/dose) biologically active isoflavones and those in the control group will receive an identical placebo. The isoflavones supplement and the placebo tablets will be manufactured and packaged by Cognis Corporation.
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52 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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