Consumption Of Pomegranate Juice May Benefit Men Treated For Localized Prostate Cancer

Main Category: Prostate / Prostate Cancer
Also Included In: Nutrition / Diet;  Clinical Trials / Drug Trials
Article Date: 27 Apr 2009 - 3:00 PDT

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Pomegranate juice may slow the progression of post-treatment prostate cancer recurrence, according to new long-term research results presented at the 104th Annual Scientific Meeting of the American Urological Association (AUA). Researchers found that men who have undergone treatment for localized prostate cancer could benefit from drinking pomegranate juice.

The two-stage clinical trial followed a total of 48 participants over six years. Eligible participants had a rising PSA after surgery or radiotherapy, a PSA greater than 0.2 ng/ml and less than 5 ng/ml and a Gleason score of 7 or less. These patients were treated by drinking eight ounces of pomegranate juice daily. Currently, in the sixth year of treatment, active patients who remain on the study have a median total follow-up of 56 months. These participants continue to experience a significant increase in PSA doubling time following treatment, from a mean of 15.4 months at baseline to 60 months post-treatment, with a median PSA slope decrease of 60 percent, 0.06 to 0.024.

Researchers compared active patients, who remain on the study, with non-active patients, who no longer remain on the study. Though these two groups demonstrated similar mean PSA doubling times at baseline, both the PSA doubling time prolongation and the decline in median PSA slope were greater in active patients when compared to non-active patients.

"This study suggests that pomegranate juice may effectively slow the progression of prostate cancer after unsuccessful treatment," said Christopher Amling, MD, an AUA spokesman. "This finding and other ongoing research might one day reveal that pomegranate juice is an effective prostate cancer preventative agent as well."

Parts of this ongoing study suggest that some patients may be more sensitive to the effects of pomegranate juice on PSA doubling time. Phase three of this study is currently underway to further evaluate the benefits of pomegranate juice in a placebo-controlled manner.

Pantuck, A; Zomorodian, N; Rettig, M; Aronson, W; Heber, D; Belldegrun, A. Long term follow up of phase 2 study of pomegranate juice for men with prostate cancer shows durable prolongation of PSA doubling time. J Urol, suppl. 2009: 181, 4, abstract 826.

Source:
Lacey Dean
American Urological Association

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