Phase II trial of acai juice product in biochemically recurrent prostate cancer.
2013
230 Background: There are conflicting data as to the benefit of treating patients with biochemically recurrent prostate cancer (PCa). Plant derivatives, called “nutraceuticals” such as grape seed extract or milk thistle, have been studied as therapies for PCa based on their purported anti-inflammatory and anti-oxidant properties and low toxicities. Acai is a fruit rich in bioflavinoids shown to induce apoptosis in preclinical studies of PCa, leukemia and esophageal cancer. Anecdotal experience of two patients with falling prostate specific antigen (PSA) values while consuming acai juice prompted us to evaluate its efficacy in a clinical trial. Methods: This was a phase II Simon two-stage open-label single-arm single-institution study of the efficacy of Acai Juice Product in asymptomatic PCa patients with a rising PSA. Eligibility included lack of current hormone therapy, hormone sensitivity, and a PSA doubling time of >4 weeks. Patients consumed 2 oz of Acai Juice Product twice daily for 30 weeks, with a ...
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