We will study the effect of dietary intervention in patients with prostate cancer. Outcomes include serum PSA kinetics, as well as biomarkers of inflammation, antioxidant status, oxidative stress and oxidative damage in blood cells, plasma, urine and prostate tissues
A total of 102 patients with localized prostate cancer will be included in the study. A the time of inclusion, the participants will be randomized to three groups. The intervention groups includes; control group, tomato group and multi-diet group. The intervention period is three week and will be completed before prostatectomy or radiation therapy. Biomarkers og inflammation includes: acute phase proteins, cytokines, chemokines and other inflammatory mediators. Biomarker of antioxidant status includes vitamin C, vitamin E, glutathione, carotenoids, total antioxidant capacity and total phenolics. Oxidative stress markers includes; malondialdehyde, isoprostanes, 8-hydroxy-deoxyguanosine, oxidized vitamin C, total lipidperoxides (d-ROM) and protein carbonyls.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
86
Patients with localized prostate cancer are supplemented with either tomato or a multi-diet cinsisting of grape juice, pomegranate juice, tomato, green tea, black tea, soy, selenium and PUFAs for 3 weeks.
Oslo Universuty Hospital, Radiumhospitalet and Aker
Oslo, Norway
serum prostate specific antigen
Time frame: Baseline, after intervention, follow-up
oxidative stress biomarkers in blood, tissue and urine
Time frame: Baseline, after intervention, follow-up
antioxidant status biomarkers in blood, tissue and urine
Time frame: Baseline, after intervention, follow-up
oxidative damage biomarkers in blood, tissue and urine
Time frame: Baseline, after intervention, follow-up
inflammation biomarkers in blood, tissue and urine
Time frame: Baseline, after intervention, follow-up
Apoptose markers in prostate tissue
Time frame: Baseline, after intervention, follow-up
DNA microarrays in blood cells and prostate tissue
Time frame: Baseline, after intervention, follow-up
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