| A diet, physical activity, and stress reduction intervention in men with rising prostate-specific antigen after treatment for prostate cancer. | |
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MedLine Citation:
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PMID: 22018935 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background: Nearly 35% of men treated for prostate cancer (PrCA) will experience biochemically defined recurrence, noted by a rise in PSA, within 10 years of definitive therapy. Diet, physical activity, and stress reduction may affect tumor promotion and disease progression. Methods: A randomized trial of an intensive diet, physical activity, and meditation intervention was conducted in men with rising post-treatment PSA after definitive treatment for PrCA. Intention-to-treat methods were used to compare usual care to the intervention in 47 men with complete data. Signal detection methods were used to identify dietary factors associated with PSA change. Results: The intervention and control groups did not differ statistically on any demographic or disease-related factor. Although the intervention group experienced decreases of 39% in intakes of saturated fatty acid (SFA as percent of total calories) (p<0.0001) and 12% in total energy intake (218kcal/day, p<0.05)], no difference in PSA change was observed by intervention status. Signal detection methods indicated that in men increasing their consumption of fruit, 56% experienced no rise in PSA (vs. 29% in men who did not increase their fruit intake). Among men who increased fruit and fiber intakes, PSA increased in 83% of participants who also increased saturated fatty acid intake (vs. 44% in participants who decreased or maintained saturated fatty acid intake). Conclusion: Results are discussed in the context of conventional treatment strategies that were more aggressive when this study was being conducted in the mid-2000s. Positive health changes in a number of lifestyle parameters were observed with the intervention, and both increased fruit and reduced saturated fat intakes were associated with maintaining PSA levels in men with biochemically recurrent disease. |
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Authors:
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James R Hébert; Thomas G Hurley; Brook E Harmon; Sue Heiney; Christine J Hebert; Susan E Steck |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-19 |
Journal Detail:
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Title: Cancer epidemiology Volume: - ISSN: 1877-783X ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101508793 Medline TA: Cancer Epidemiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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South Carolina Statewide Cancer Prevention & Control Program, University of South Carolina, 915 Greene St, Columbia, SC 29208, United States; Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, 800 Sumter St, Columbia, SC 29208, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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